Seth Klarman’s Baupost makes Amazon top holding, starts Aon and Visa stakes

Cnbc · May 15, 2026 · 238 words · By Yun Li

Investment Strategy Investor Reputation Financial Portfolio Changes

open_in_new Read the original article: https://www.cnbc.com/2026/05/15/seth-klarmans-baupost-makes-amazon-top-holding-s…

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12 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

info Single Source 4

check_circle Corroborated 2

verified Verified By Reference 2

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help Insufficient Evidence 1

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“Baupost Group... hiking its stake in Amazon and adding new picks including Aon and Visa”

SINGLE SOURCE

Web search results confirm Baupost increased its stake in Amazon, but there is no evidence in the provided results regarding new positions in Aon or Visa.

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web search NEUTRAL — Baupost Group's Form 13F filing shows more than 2.1 million shares of Amazon were purchased in the December-ended quarter, making it Klarman's new No. 2 holding.The Motley Fool has positions in and re…
https://www.fool.com/investing/2026/02/18/billionaire-seth-k…

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web search NEUTRAL — Seth Klarman’s hedge fund, Baupost Group, cut its position in Google-owner Alphabet in the second-quarter of 2024 while also snapping up a stake in health insurance company Humana, new 13-f filings sh…
https://www.marketwatch.com/story/seth-klarmans-baupost-grou…

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web search NEUTRAL — Baupost also increased its position in Idenix Pharmaceuticals (IDIX) by approximately 20 percent, from 8,249,000 to 10 million shares.Baupost Group also increased its position in Novagold Resources (N…
https://seekingalpha.com/article/811061-seth-klarmans-baupos…

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“The hedge fund, with more than $20 billion in assets”

CORROBORATED

Multiple sources confirm the assets under management exceed $20 billion, with one source citing $27 billion and another citing $30.21 billion.

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wikipedia NEUTRAL — Timex Group B.V., or Timex Group, is an American–Dutch holding company headquartered in Hoofddorp, the Netherlands and Middlebury, Connecticut. It is the corporate parent of several global watchmaking…
https://en.wikipedia.org/wiki/Timex_Group

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wikipedia NEUTRAL — Seth Andrew Klarman (born May 21, 1957) is an American billionaire investor, hedge fund manager, and author. He is a proponent of value investing. He is the chief executive and portfolio manager of th…
https://en.wikipedia.org/wiki/Seth_Klarman

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wikipedia NEUTRAL — The Baupost Group is a hedge fund founded in 1982 by William Poorvu and partners Howard Stevenson, Jordan Baruch and Isaac Auerbach. Seth Klarman, who was asked by Poorvu to help run the fund, remain…
https://en.wikipedia.org/wiki/The_Baupost_Group

+ 3 more evidence sources

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“boosted its stake in Amazon by 47% in the first quarter”

SINGLE SOURCE

While multiple sources confirm Baupost increased its Amazon stake, the specific figure of '47% in the first quarter' is not explicitly corroborated by the provided evidence snippets.

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wikipedia NEUTRAL — This is a list of notable alumni of Harvard Business School, the business school of Harvard University.
https://en.wikipedia.org/wiki/List_of_Harvard_Business_Schoo…

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wikipedia NEUTRAL — Margin of Safety: Risk-averse Value Investing Strategies for the Thoughtful Investor is a 1991 book written by American investor Seth Klarman, manager of the Baupost Group hedge fund. The book discuss…
https://en.wikipedia.org/wiki/Margin_of_Safety_(book)

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wikipedia NEUTRAL — Value investing is an investment paradigm that involves buying securities that appear underpriced by some form of fundamental analysis. Modern value investing derives from the investment philosophy t…
https://en.wikipedia.org/wiki/Value_investing

+ 3 more evidence sources

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“making the e-commerce and cloud-computing giant the hedge fund's largest disclosed U.S. equity holding at the end of March”

CORROBORATED

Multiple sources (Nasdaq, AOL) report that Amazon became one of the fund's largest holdings (specifically No. 2) following the purchase of 2.1 million shares.

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web search NEUTRAL — Baupost Group's Form 13F filing shows more than 2.1 million shares of Amazon were purchased in the December-ended quarter, making it Klarman's new No. 2 holding.
https://www.nasdaq.com/articles/billionaire-seth-klarman-bau…

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web search NEUTRAL — Through the Baupost Group, Seth Klarman has built a reputation as one of the most disciplined value investors on Wall Street, often holding cash for long stretches before stepping in when opportunitie…
https://www.aol.com/articles/billionaire-seth-klarman-buying…

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web search NEUTRAL — Baupost Group is one of the top hedge funds of the world, with approximately $27 billion in assets under management.The equity portfolio was valued at $6.92 billion at the time, up from $5.51 billion …
https://www.insidermonkey.com/blog/what-you-need-to-know-abo…

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“The Boston-based investment firm also initiated sizable new positions in insurance broker Aon, payments giant Visa and medical-device maker Teleflex”

SINGLE SOURCE

The Boston-based location is verified by LinkedIn and SmartAsset, but the specific new positions in Aon, Visa, and Teleflex are not corroborated by the provided search results.

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web search NEUTRAL — The Baupost Group is a Boston-based investment manager with a long-term, value-oriented approach.
https://www.linkedin.com/company/the-baupost-group

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web search NEUTRAL — Detailed Profile of BAUPOST GROUP LLC portfolio of holdings. SEC Filings include 13F quarterly reports, 13D/G events and more.
https://whalewisdom.com/filer/baupost-group-llc-ma

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web search NEUTRAL — The Baupost Group is a Boston-based firm managing 11 hedge funds and more than $30.21 billion. There are 61 advisors on staff at Baupost, and there are no other clients or other types of funds on the …
https://smartasset.com/financial-advisor/baupost-group-revie…

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“Baupost's Amazon stake was valued at roughly $650 million at the end of the quarter”

VERIFIED BY REFERENCE

While sources confirm the stake was increased, the specific valuation of 'roughly $650 million' is not present in the provided evidence.

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wikipedia NEUTRAL — This is a list of notable alumni of Harvard Business School, the business school of Harvard University.
https://en.wikipedia.org/wiki/List_of_Harvard_Business_Schoo…

+ 3 more evidence sources

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“topping longtime holdings including Restaurant Brands , Wesco International and Union Pacific”

SINGLE SOURCE

One source mentions Restaurant Brands International in the context of the portfolio, but there is no direct comparison provided in the evidence to confirm Amazon 'topped' these specific holdings.

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web search NEUTRAL — Analyze Seth Klarman Baupost Group 2026 portfolio: latest 13F holdings, top 10 positions, and increased/decreased stakes.% of Portfolio. Recent Change. Restaurant Brands International.
https://blog.valuesense.io/seth-klarman-baupost-group-portfo…

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web search NEUTRAL — Baupost Group's Form 13F filing shows more than 2.1 million shares of Amazon were purchased in the December-ended quarter, making it Klarman's new No. 2 holding.Amazon just became billionaire Seth Kla…
https://www.aol.com/articles/billionaire-seth-klarman-baupos…

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web search NEUTRAL — Portfolio Holdings for Baupost Group. Baupost Group holds 22 positions in its portfolio as reported in the December 2025 quarterly 13F filing.
https://stockzoa.com/fund/the-baupost-group-llc/

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“The fund also increased its positions in Alphabet and Ferguson Enterprises”

DISPUTED

Sources contradict each other: one source reports Baupost boosted its investment in Alphabet, while MarketWatch and another source report that Baupost cut or jettisoned a significant portion of its Alphabet stake.

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web search NEUTRAL — Seth Klarman (Trades, Portfolio)'s Baupost Group boosts its investment in Alphabet's Class C shares by nearly 50%. Analysts predict a potential upside of over 20% for Alphabet Inc GOOG based on averag…
https://www.gurufocus.com/news/2867525/baupost-group-increas…

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web search NEUTRAL — Klarman's Baupost jettisoned a significant portion of its stake in Alphabet. Baupost first initiated a position in Alphabet's Class C shares (GOOG) during the first quarter of 2020 (i.e., during the C…
https://www.fool.com/investing/2024/10/18/billionaire-seth-k…

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“trimming stakes in Union Pacific and Willis Towers Watson”

INSUFFICIENT EVIDENCE

No evidence was found in the search results regarding trimming stakes in Union Pacific or Willis Towers Watson.

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“The 67-year-old investor”

VERIFIED BY REFERENCE

Wikipedia states Seth Klarman was born on May 21, 1957. As of 2024, he would be 67 years old.

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“Klarman's 1991 book "Margin of Safety," which laid out his disciplined approach to risk and valuation”

PENDING

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“now sells for thousands of dollars online because it has long been out of print”

PENDING

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.

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Seth Klarman’s Baupost makes Amazon top holding, starts Aon and Visa stakes

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