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This Is What Hedge Funds Bought And Sold In Q3 '25: Full 13F Summary

By far the biggest news from the conclusion of this quarter's 13F season, was the in what may be his last act as CEO of Berkshire, Warren Buffett decided to buy a $5 billion stake in GOOGL with the stock at all time highs, and trading at a 28x PE. RIP value investing: an appropriate farewell now that markets are all just vibes, moment and central bank liquidity.

But what a senile, 95-year old billionaire does with his pocket change was just the highlight: there was quite a bit more action in Q3, when more hedge fund managers pared positions in Mag 7 stocks as the artificial intelligence-fueled rally in U.S. equities lost steam.

According to Bloomberg calculations, over 140 funds reduced their holdings of Apple, while 118 increased their stakes, according to the latest 13F filings. Berkshire also trimmed its position in the iPhone maker by 15%, leaving a $60.7 billion stake as of Sept. 30.

Holdings of CoreWeave dropped $5.83 billion, the biggest decrease by market value during a tough stretch for the company. In addition to pressure on AI stocks and weak guidance, Core Scientific shareholders rejected the company’s takeover bid, dealing a blow to its expansion efforts. Magnetar sold 13.83 million shares in CoreWeave shares, the biggest reduction by the investor group; Coatue sold 11.07 million shares.

The investment firms of hedge fund billionaire David Tepper and duty-free shopping tycoon Alan Parker cut their Oracle positions, with Tepper’s Appaloosa LP offloading its entire stake, which was valued at $32.8 million on Sept. 30.

Bloomberg has so far analyzed 13F filings by 909 hedge funds. Their combined holdings amounted to $1.098 trillion, compared with $ 1.021 trillion held by the same funds three months earlier.

Technology stocks accounted for the biggest weighting in the investor group’s portfolios, at 26%, followed by consumer siscretionary, at 16%. The value of investments in consumer staples fell by the most for any industry. The biggest increase was in technology shares.

Biggest increase in aggregate position

Here are some of the highlights:

NVIDIA was the most valuable overall holding at $56.5 billion
Appaloosa also sold its entire stake in Intel Corp. and most of its position in UnitedHealth Group Inc. The health-care company was a popular buy among family offices in the second quarter of this year. It acquired new positions in American Airlines Group Inc. and KeyCorp.
WIT LLC, an investment vehicle for the Walton family of Walmart Inc., increased its stake in the Vanguard FTSE Emerging Markets ETF.
Positions also diverged for gold during a quarter when prices for the precious metal climbed by about 17%. Gruss & Co., an investment firm for the descendants of financier Joseph Gruss, boosted its stake in the SPDR Gold Shares fund, while Summer Road LLC, a Sackler family office, trimmed its stake in two gold-linked ETFs.
Eminence Capital LP sold 14.17 million shares in Amcor PLC, the biggest reduction by the investor group; Two Sigma Advisers LP sold 8.17 million shares
Millennium Management LLC/NY added 10.2 million shares in NVIDIA, the largest increase; Holocene Advisors LP added 7.11 million shares
Gates Capital Management Inc added 31.93 million shares in XBP Global Holdings Class A, the largest increase; Avenue Capital Management II LP added 12.11 million shares
Amazon.com was cut or reduced by 174 investors, the biggest such number; Amazon.com was also increased or initiated by 204 investors, the biggest tally

Biggest increase in aggregate position

Biggest Decrease in Aggregate Position

Biggest Increase in Market Value

Biggest Decrease in Market Value

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Here is a detailed breakdown of all the marquee names:

TCI Fund Management discloses updated portfolio positions in 13F filing: Added to V MCO SPGI, Exited GOOGL, Lowered GOOG CNI CP MSFT holdings