Entities / Person
Bill Ackman.
American billionaire hedge fund manager (born 1966)
- Reports this week
- 3
- Active events
- 2
- Connections
- 94
What's happening
Reports per dayLast 90 days
90 days agoDrag either end to show only events that began in that periodToday
Active this week
-
High-profile investors Michael Burry, Bill Ackman, and Warren Buffett are subject to SEC filing requirements.Some support1 report
-
Prominent political figures, including Bernie Sanders, discuss the economic risks associated with taxation, such as expropriation of private property and company exodus.Well supported3 reports2 developments inside
Earlier this month
-
Bill Ackman views Visa as high-quality business and added Netflix to his fund portfolio, while ICE operates and owns the NYSE.Well supported20 reports
-
Bill Ackman advocates for ending the government conservatorship of Fannie Mae.Some support1 report
-
Bill Ackman, head of Pershing Square, stated that his investment ethos aligns with the principles of Ben Graham and Warren Buffett.Some support5 reports
-
Amidst criticism of Mayor Mamdani's policies, Bill Ackman linked Ken Griffin's moves to NYC's disaster, while Mamdani proposed a tax on Griffin's luxury property.Well supported6 reports1 development inside
-
Bill Ackman offered perspective on Israel's international image, criticizing the conduct of Smotrich and Ben-Gvir.Some support6 reports
-
Bill Ackman and his firm Pershing Square bought shares of the Tel Aviv Stock Exchange during a summit in Tel Aviv.Some support2 reports
-
Bill Ackman invested in the Israeli stock market, noting Israel's economic advantages and the regional threat posed by Iran.Some support1 report
-
Bill Ackman funded a prize through his Carob Trust.Some support1 report
-
Visa Inc. announced several new partnerships, including with Solana and Circle, and Kraken launched a debit card on its network.Some support2 reports
-
Bill Ackman publicly accused Herbalife of operating as a pyramid scheme.Some support1 report
One to three months ago
-
Bill Ackman's Pershing Square increased its stake in Howard Hughes and holds a large stake in Brookfield Corporation.Well supported11 reports
-
Bill Ackman expressed the belief that the Federal Reserve's recent rate hikes might be a mistake.Some support3 reports
-
Bill Ackman built a $2.4 billion stake in Microsoft. Pershing Square sold its holding in Google parent Alphabet and increased its holding in Microsoft. Amazon was part of the tech quartet.Some support2 reports
-
Bill Ackman considers Meta, Microsoft, and Amazon as undervalued investment targets for his fund.Well supported11 reports1 development inside
-
Bill Ackman compared the Ivy League school to Hamas amidst anti-Israel protests in New Haven.Some support2 reports
-
Bill Ackman increased his investment in Microsoft while simultaneously trimming his stake in Amazon.Some support2 reports
-
Bill Ackman's fund initiated a new position in Intercontinental Exchange (ICE), which owns the New York Stock Exchange.Some support1 report
-
Bill Ackman and BlackRock are both offering access to private investments.Some support1 report
-
CPKC's rail network stretches through the U.S. Midwest to Mexico, while Bill Ackman is mentioned regarding an activist investor value opportunity.Some support2 reports1 development inside
-
Pershing Square acquired a stake in Canadian Pacific Railway and is backing Hunter Harrison as a candidate to replace the CEO.Some support1 report
-
Bill Ackman described Visa and Mastercard as capital-light toll-takers, while Goldman Sachs identified both companies as favorite stocks.Some support2 reports
-
Pershing Square disclosed investment stakes in both Visa Inc. and Mastercard, noting that both companies collect fees on transaction volumes.Well supported7 reports1 development inside
-
Hollencrest Capital Management trimmed its investment position in Mastercard.Some support1 report
-
Bill Ackman, Freddie Mac, and Congress are involved in discussions regarding valuation discounts and the separate chartering of enterprises.Some support1 report
-
Bill Ackman, through Pershing Square, sold his entire stake in Alphabet (Google) in Q2 2026 amid AI product competition.Some support3 reports
-
Investors like Bill Ackman, Elon Musk, and Warren Buffett are noted for holding significant concentrated stakes in big tech companies.Well supported6 reports
-
Bill Ackman's takeover bid for Universal Music Group was rejected, and he sold his stake in The Hertz Corporation.Some support1 report
-
Wealth tax proposal targets ultra-wealthy individuals.Some support7 reports
-
Bill Ackman's fund holds a significant stake in Netflix, which trades on the Nasdaq stock exchange.Some support2 reports
Gone quiet
No new reports in 90+ days-
Bill Ackman leads the hedge fund Pershing Square Capital Management.Well supported9 reports
-
Bill Ackman invested $2 billion in Uber stock while new laws require changes to driver classification.Some support2 reports
-
Bill Ackman's firm acquired significant stock in S&P on August 9, 2026.Some support2 reports
-
Bill Ackman's fund, Pershing Square, holds investments in Restaurant Brands, which owns Burger King.Some support1 report
-
Bill Ackman and Jeff Bezos were noted for advocating for the social impact of capitalism.Some support2 reports
-
Bill Ackman and President Joe Biden are involved in reported tussles regarding societal issues.Some support1 report
-
Bill Ackman discusses market signals relevant to chipmakers.Some support1 report
-
Bill Ackman and Neri Oxman co-named a new research institute on July 21, 2026.Some support1 report
-
Bill Ackman's firm holds multibillion-dollar stakes, while David Sacks criticized guardrails hurting US competitiveness.Some support1 report
-
Bill Ackman and Carl Icahn engaged in an ideological clash over market principles and corporate excess.Some support1 report
-
Bill Ackman, Anthropic, and Airbnb are involved in purchasing and leasing office buildings in New York City amid policy concerns.Some support2 reports
-
Ackman's firm acquired Vantage for $2.1 billion, with Vantage affiliates domiciled in Wilmington.Some support2 reports
-
Bill Ackman criticized the progressive policies of New York City leadership and praised Donald Trump as the most pro-business president.Some support2 reports
-
Bill Ackman compares the stalled California High-Speed Rail Project to the success of SpaceX and other private ventures.Some support2 reports
-
Bill Ackman praised President Trump's administration for managing the Iran conflict settlement as Iran leverages energy flows through the Strait of Hormuz.Some support1 report
-
Major value investor Bill Ackman is reportedly selling his stake in Alphabet Inc., while the company continues to expand its AI and cloud services.Some support1 report
-
Pershing Square made a big buy involving SpaceX and Microsoft on June 16th, led by Bill Ackman.Some support3 reports
-
The Israel Innovation Authority reported on the growth of Israel's high-tech sector, noting Tel Aviv's global ranking.Some support1 report
-
Bill Ackman threw weight behind Elon Musk after the successful SpaceX IPO, while Bernie Sanders commented on Musk's resulting wealth.Some support1 report
-
Trump-era tariffs continue to benefit AI stocks, with new reports detailing specific investor holdings and market mentions.Some support1 report
-
Bill Ackman's Pershing Square increased its ownership stake in Hertz Global Holdings, citing benefits from Trump tariffs and onshoring.Some support1 report
-
Bill Ackman's portfolio includes Brookfield Corporation, which benefits from Trump-era tariffs and onshoring trends.Some support3 reports
-
Bill Ackman stated that he views Uber Technologies stock as being undervalued.Some support1 report
-
Bill Ackman purchased shares of SEG and included the company in his Top 10 Stock Picks.Some support2 reports
-
Berkshire Hathaway owns Duracell, while Bill Ackman serves as Executive Chairman of HHH, with a shareholder meeting scheduled in Manhattan.Some support1 report
-
Bill Ackman initiated a new investment position in Amazon stock in August 2025.Well supported5 reports
-
Bill Ackman's Pershing Square, alongside Renaissance Capital, announced a major fundraise, describing the deal as a closed-end fund IPO.Well supported3 reports
No events began in the chosen period. Widen it, or reset.
What's reaching Bill Ackman
Events traced to Bill Ackman, step by step, newest first- Alcon's specialized acquisition could boost long-term growth potential for Bill AckmanAlcon's specialized acquisition could boost long-term growth potential for Bill Ackman.Possible
- Microsoft's top ESG holdings may boost Bill Ackman's stakeMicrosoft's top ESG holdings may boost Bill Ackman's stakePossible
- Bill Ackman's TASE stake may face pressure from market lossesBill Ackman's stake in Tel Aviv Stock Exchange faces pressure from market lossesPossible
- BLS operational quality boost may support Bill Ackman's Visa stakeBLS's operational growth may support the value of Bill Ackman's Visa investment.Possible
- Microsoft's competitive position may influence Bill Ackman's investment viewCompetitive pressures on Microsoft may influence Bill Ackman's investment outlookPossible
- Microsoft bond offering signals spending plans for Bill Ackman's stakeMicrosoft's bond offering may influence the valuation of Bill Ackman's stakePossible
See all 9 explainers
- Microsoft's earnings exclusion may shift valuation for Bill AckmanMicrosoft's earnings exclusion may shift valuation for Bill AckmanPossible
- Market alarm over crypto proposal may affect Bill Ackman's TASE stakeMarket alarm over crypto proposal may affect Bill Ackman's TASE stakePossible
- New Manulife Visa cards may boost Bill Ackman's investment in VisaNew Manulife Visa cards may boost Bill Ackman's investment in VisaPossible
Around Bill Ackman this week
News at the entities that move Bill Ackman most-
Google StructuralDonald Trump appointed Lee Rudofsky, while Google reported a payment to Entergy for a data center setup in Arkansas, amid a judge considering disclosure limits.Moves Bill Ackman
-
Amazon StructuralGoogle, Amazon, and Emmanuel Macron discussed EU regulations, transparency, and driving French AI companies regarding the EU AI Act.Moves Bill Ackman
-
Alcon StructuralAlcon opened a new training center in India on August 13, 2026.Moves Bill Ackman
-
Microsoft TransactionalDuke Energy, Johnson & Johnson, Microsoft, and Welltower are large positions in the iShares MSCI USA Min Vol Factor ETF amid investor angst.Moves Bill Ackman
-
Warren Buffett OperationalAlice + Olivia migrated to Shopify, prompting GMV comparisons and valuation discussions involving Warren Buffett.Moves Bill Ackman
-
Herbalife TransactionalHerbalife hosted workshops for Indian associates and participated in a conference in Bengaluru, led by MD Ajay Khanna.Moves Bill Ackman
Connections
The 40 strongest of 94, analyzed from the reporting. The bars show how strongly a change on one side reaches the other.-
Pershing Square Structural
Bill Ackman serves as the founder, CEO, and primary manager of the investment firm Pershing Square.
-
Microsoft Transactional
Bill Ackman is actively increasing and holding a significant equity stake in Microsoft through fund purchases.
-
Amazon Structural
Bill Ackman and his firm maintain an active, significant investment stake in Amazon, periodically adjusting their holdings.
-
Google Structural
Bill Ackman maintains a significant investment stake in Google (Alphabet).
-
HHH Structural
Bill Ackman serves as the Executive Chairman of HHH and directs its transformation strategy.
-
Mastercard Transactional
Bill Ackman and his funds hold disclosed equity investments in Mastercard, viewing it as a high-quality business.
-
Meta Structural
Bill Ackman's fund holds a significant and ongoing investment stake in Meta Platforms.
-
Alcon Structural
Bill Ackman holds Alcon in his investment portfolio, tracking its performance and growth potential.
Show all 40 connections
-
Visa Inc. Transactional
Bill Ackman and his fund hold an equity stake in Visa Inc. through investment.
-
Uber Structural
Bill Ackman's fund holds a significant, ongoing ownership stake in Uber following a major investment.
-
Nvidia Structural
Bill Ackman holds an investment position in Nvidia, linking his financial interests to the company's performance.
-
Howard Hughes Structural
Bill Ackman holds the formal role of Executive Chairman of Howard Hughes' business entity.
-
New York City Operational
Bill Ackman actively opposes and criticizes New York City's policies, particularly regarding taxation and housing affordability.
-
Warren Buffett Operational
Ackman emulates Buffett's investment philosophy, and both are prominent fund managers who compete for capital.
-
S&P Global Transactional
Bill Ackman invested in S&P Global's equity on August 14, 2026, and subsequently included it in his portfolio.
-
Elon Musk Operational
The relationship is characterized by mutual public support, with both individuals aligning on political issues and validating each other's corporate and personal milestones.
-
Canadian Pacific Railway Transactional
Bill Ackman's investment vehicle, Pershing Square, acquired a stake in Canadian Pacific Railway.
-
Herbalife Transactional
Bill Ackman held a sizeable short position in Herbalife and publicly accused the company of operating as a pyramid scheme.
-
Berkshire Hathaway Operational
Bill Ackman is observed actively attempting to emulate and copy the investment strategies and success model of Berkshire Hathaway.
-
SEG Transactional
Bill Ackman purchased 5.02 million shares of SEG as part of his investment strategy.
-
Tel Aviv Stock Exchange Structural
Bill Ackman holds a 5% stake in the Tel Aviv Stock Exchange following recent acquisitions.
-
Intercontinental Exchange Transactional
Bill Ackman has made a current investment in the equity of Intercontinental Exchange.
-
UMG Transactional
a deal or exchange
-
Universal Music Group Transactional
Ackman made a takeover bid for UMG, which the company subsequently rejected.
-
Chipotle Mexican Grill Transactional
Bill Ackman engaged in specific, time-bound financial transactions, including investing in and subsequently selling shares of Chipotle Mexican Grill.
-
Donald Trump Operational
Ackman maintains a dynamic relationship with Trump, oscillating between public support and critical oversight regarding policy and conduct.
-
City of New York Operational
Bill Ackman actively criticizes and financially opposes the policies and administration of the City of New York.
-
S&P Transactional
Ackman's firm has made and continues to make significant financial investments in S&P Global.
-
Netflix, Inc. Transactional
Bill Ackman initiated a new financial position in Netflix.
-
Ahmed Al Ahmed Transactional
Bill Ackman donated funds to Ahmed Al Ahmed's GoFundMe campaign.
-
Hunter Harrison Mentioned together
Bill Ackman publicly supports Hunter Harrison as a potential candidate for a role at Canadian Pacific Railway.
-
Joe Biden Operational
The relationship involves active competitive friction and ideological disagreement regarding societal issues.
-
Alphabet Inc. Transactional
Bill Ackman has actively managed his financial stake in Alphabet Inc., including increases and subsequent divestment plans.
-
The Hertz Corporation Transactional
Bill Ackman increased and subsequently sold his investment stake in The Hertz Corporation.
-
New York Stock Exchange Operational
Ackman's investment fund utilizes the NYSE as a platform for trading and market bets.
-
Bruce Blakeman Transactional
Bill Ackman made a donation to the independent expenditure PAC supporting Bruce Blakeman.
-
FED Mentioned together
Bill Ackman publicly critiques and tracks the Federal Reserve's monetary policy decisions, specifically regarding rate hikes.
-
California Shared context
Bill Ackman is discussed as being affected by the drawbacks of a proposed wealth tax in California.
-
Jensen Huang Mentioned together
Ackman publicly supports and urges support for Huang's role in US AI leadership.
-
BlackRock Operational
Both entities compete in the market by offering access to private investments.
History
Events by the month they beganNovember 2026
2 eventsOctober 2026
5 events- Bill Ackman offered perspective on Israel's international image, criticizing the conduct of Smotrich and Ben-Gvir.
- Bill Ackman and his firm Pershing Square bought shares of the Tel Aviv Stock Exchange during a summit in Tel Aviv.
- Bill Ackman invested in the Israeli stock market, noting Israel's economic advantages and the regional threat posed by Iran.
- Bill Ackman funded a prize through his Carob Trust.
- Bill Ackman publicly accused Herbalife of operating as a pyramid scheme.
September 2026
7 events- Bill Ackman expressed the belief that the Federal Reserve's recent rate hikes might be a mistake.
- Bill Ackman built a $2.4 billion stake in Microsoft. Pershing Square sold its holding in Google parent Alphabet and increased its holding in Microsoft. Amazon was part of the tech quartet.
- Bill Ackman compared the Ivy League school to Hamas amidst anti-Israel protests in New Haven.
- Bill Ackman increased his investment in Microsoft while simultaneously trimming his stake in Amazon.
- Bill Ackman's fund initiated a new position in Intercontinental Exchange (ICE), which owns the New York Stock Exchange.
- Bill Ackman and BlackRock are both offering access to private investments.
- Pershing Square acquired a stake in Canadian Pacific Railway and is backing Hunter Harrison as a candidate to replace the CEO.
Show 3 earlier months
August 2026
17 events- Bill Ackman views Visa as high-quality business and added Netflix to his fund portfolio, while ICE operates and owns the NYSE.
- Bill Ackman, head of Pershing Square, stated that his investment ethos aligns with the principles of Ben Graham and Warren Buffett.
- Visa Inc. announced several new partnerships, including with Solana and Circle, and Kraken launched a debit card on its network.
- Bill Ackman described Visa and Mastercard as capital-light toll-takers, while Goldman Sachs identified both companies as favorite stocks.
- Pershing Square disclosed investment stakes in both Visa Inc. and Mastercard, noting that both companies collect fees on transaction volumes.
- Hollencrest Capital Management trimmed its investment position in Mastercard.
- Bill Ackman, Freddie Mac, and Congress are involved in discussions regarding valuation discounts and the separate chartering of enterprises.
- Bill Ackman, through Pershing Square, sold his entire stake in Alphabet (Google) in Q2 2026 amid AI product competition.
- Bill Ackman's takeover bid for Universal Music Group was rejected, and he sold his stake in The Hertz Corporation.
- Wealth tax proposal targets ultra-wealthy individuals.
- Bill Ackman's fund holds a significant stake in Netflix, which trades on the Nasdaq stock exchange.
- Bill Ackman invested $2 billion in Uber stock while new laws require changes to driver classification.
- Bill Ackman's firm acquired significant stock in S&P on August 9, 2026.
- Bill Ackman's fund, Pershing Square, holds investments in Restaurant Brands, which owns Burger King.
- Bill Ackman and Jeff Bezos were noted for advocating for the social impact of capitalism.
- Bill Ackman and President Joe Biden are involved in reported tussles regarding societal issues.
- Bill Ackman discusses market signals relevant to chipmakers.
July 2026
8 events- Amidst criticism of Mayor Mamdani's policies, Bill Ackman linked Ken Griffin's moves to NYC's disaster, while Mamdani proposed a tax on Griffin's luxury property.
- Investors like Bill Ackman, Elon Musk, and Warren Buffett are noted for holding significant concentrated stakes in big tech companies.
- Bill Ackman and Neri Oxman co-named a new research institute on July 21, 2026.
- Bill Ackman's firm holds multibillion-dollar stakes, while David Sacks criticized guardrails hurting US competitiveness.
- Bill Ackman and Carl Icahn engaged in an ideological clash over market principles and corporate excess.
- Bill Ackman, Anthropic, and Airbnb are involved in purchasing and leasing office buildings in New York City amid policy concerns.
- Ackman's firm acquired Vantage for $2.1 billion, with Vantage affiliates domiciled in Wilmington.
- Bill Ackman criticized the progressive policies of New York City leadership and praised Donald Trump as the most pro-business president.
June 2026
19 events- Prominent political figures, including Bernie Sanders, discuss the economic risks associated with taxation, such as expropriation of private property and company exodus.
- Bill Ackman's Pershing Square increased its stake in Howard Hughes and holds a large stake in Brookfield Corporation.
- Bill Ackman considers Meta, Microsoft, and Amazon as undervalued investment targets for his fund.
- CPKC's rail network stretches through the U.S. Midwest to Mexico, while Bill Ackman is mentioned regarding an activist investor value opportunity.
- Bill Ackman leads the hedge fund Pershing Square Capital Management.
- Bill Ackman compares the stalled California High-Speed Rail Project to the success of SpaceX and other private ventures.
- Bill Ackman praised President Trump's administration for managing the Iran conflict settlement as Iran leverages energy flows through the Strait of Hormuz.
- Major value investor Bill Ackman is reportedly selling his stake in Alphabet Inc., while the company continues to expand its AI and cloud services.
- Pershing Square made a big buy involving SpaceX and Microsoft on June 16th, led by Bill Ackman.
- The Israel Innovation Authority reported on the growth of Israel's high-tech sector, noting Tel Aviv's global ranking.
- Bill Ackman threw weight behind Elon Musk after the successful SpaceX IPO, while Bernie Sanders commented on Musk's resulting wealth.
- Trump-era tariffs continue to benefit AI stocks, with new reports detailing specific investor holdings and market mentions.
- Bill Ackman's Pershing Square increased its ownership stake in Hertz Global Holdings, citing benefits from Trump tariffs and onshoring.
- Bill Ackman's portfolio includes Brookfield Corporation, which benefits from Trump-era tariffs and onshoring trends.
- Bill Ackman stated that he views Uber Technologies stock as being undervalued.
- Bill Ackman purchased shares of SEG and included the company in his Top 10 Stock Picks.
- Berkshire Hathaway owns Duracell, while Bill Ackman serves as Executive Chairman of HHH, with a shareholder meeting scheduled in Manhattan.
- Bill Ackman initiated a new investment position in Amazon stock in August 2025.
- Bill Ackman's Pershing Square, alongside Renaissance Capital, announced a major fundraise, describing the deal as a closed-end fund IPO.