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SEC Form 13F · 6 investors · latest filings

Big market bets

What well-known investors hold according to their mandatory filings: the largest positions, new bets, put options and how concentrated the portfolios are. Every number with its date and a link to the SEC filing.

The most interesting bets

New big positions

new last quarter, at least 1% of the portfolio

  1. Pershing Square Visa 5.8%
  2. Pershing Square Mastercard 5.6%
  3. ARK Invest Space Exploration Technologies 5.0%

Large put bets

put options, reported notional value of the shares

  1. Scion Palantir Technologies $912MSep 30, 2025
  2. Appaloosa Apple $242MJun 30, 2026
  3. Scion Nvidia $187MSep 30, 2025
  4. Appaloosa Berkshire Hathaway $12.5MJun 30, 2026

Highest conviction

largest single positions, share of portfolio

  1. Berkshire Hathaway Apple 22%
  2. Berkshire Hathaway American Express 17%
  3. Appaloosa Amazon 16%
  4. Appaloosa Micron Technology 15%
  5. Pershing Square Uber Technologies 13%
  6. Pershing Square Brookfield 13%

The portfolios at a glance

ScionMichael Burry · hedge fund
$68.1M in shares 4 positions 100% in top 10 $1.31B options (notional)
MOLINA HEALTHCARE INC: $23.9M · 35.1%Molina Healthcare35.1%LULULEMON ATHLETICA INC: $17.8M · 26.1%Lululemon Athletica26.1%SLM CORP: $13.3M · 19.5%SLM19.5%BRUKER CORP: $13.1M · 19.3%Bruker19.3%
As of Sep 30, 2025 · filed Nov 3, 2025 · latest available filing
ARK InvestCathie Wood · asset manager (ETFs)
$15.4B in shares 190 positions 39% in top 10 $719k options (notional)
55.7%178 others55.7%Tesla Inc: $1.16B · 7.5%Tesla7.5%Advanced Micro Devices Inc: $823M · 5.3%Advanced Mi…5.3%Space Exploration Technologies Corp: $765M · 5.0%Space Expl…5.0%Tempus AI Inc: $581M · 3.8%Tempus AI3.8%Robinhood Markets Inc: $525M · 3.4%Robinhood …3.4%CRISPR Therapeutics AG: $516M · 3.4%Crispr Th…3.4%Shopify Inc: $475M · 3.1%Shopify3.1%Twist Bioscience Corp: $468M · 3.0%Twist Bios…3.0%10X Genomics Inc: $384M · 2.5%10x Geno…2.5%Amazon.com Inc: $379M · 2.5%Amazon2.5%Palantir Technologies Inc: $375M · 2.4%Palantir Tec…2.4%Alphabet Inc: $369M · 2.4%
As of Jun 30, 2026 · filed Aug 14, 2026
Berkshire HathawayWarren Buffett, Greg Abel · holding company
$299B in shares 29 positions 88% in top 10
APPLE INC: $66.0B · 22.0%Apple22.0%AMERICAN EXPRESS CO: $51.3B · 17.1%American Express17.1%COCA COLA CO: $32.5B · 10.9%Coca Cola10.9%ALPHABET INC: $28.2B · 9.4%Alphabet9.4%BANK OF AMER CORP: $27.5B · 9.2%Bank of America9.2%6.8%17 others6.8%CHEVRON CORPORATION: $14.0B · 4.7%Chevron4.7%OCCIDENTAL PETE CORP: $12.9B · 4.3%Occidental P…4.3%CHUBB LIMITED: $11.7B · 3.9%Chubb Limit…3.9%MOODYS CORP: $11.2B · 3.7%Moodys3.7%ALPHABET INC: $9.61B · 3.2%Alphabet3.2%KRAFT HEINZ CO: $7.69B · 2.6%DAVITA INC: $6.43B · 2.1%
As of Jun 30, 2026 · filed Aug 14, 2026
Pershing SquareBill Ackman · hedge fund
$19.5B in shares 14 positions 94% in top 10
UBER TECHNOLOGIES INC: $2.48B · 12.7%Uber Technologies12.7%BROOKFIELD CORP: $2.45B · 12.6%Brookfield12.6%MICROSOFT CORP: $2.32B · 11.9%Microsoft11.9%AMAZON COM INC: $2.04B · 10.5%Amazon10.5%HOWARD HUGHES HOLDINGS INC: $1.99B · 10.2%Howard Hughes10.2%RESTAURANT BRANDS INTL INC: $1.87B · 9.6%Restaurant Bra…9.6%META PLATFORMS INC: $1.80B · 9.2%Meta Platforms9.2%VISA INC: $1.12B · 5.8%Visa5.8%MASTERCARD INCORPORATED: $1.09B · 5.6%Mastercard5.6%S&P GLOBAL INC: $1.06B · 5.4%S&P Global5.4%NETFLIX INC.: $934M · 4.8%Netflix4.8%0.9%PERSHING SQUARE USA LTD: $150M · 0.8%
As of Jun 30, 2026 · filed Aug 14, 2026
DuquesneStanley Druckenmiller · family office
$4.35B in shares 86 positions 52% in top 10 $857M options (notional)
42.5%74 others42.5%Natera Inc: $865M · 19.9%Natera19.9%Taiwan Semiconductor Manufac: $282M · 6.5%Taiwan Semiconducto…6.5%Stmicroelectronics N V: $232M · 5.3%Stmicroelectr…5.3%Insmed Inc: $152M · 3.5%Insmed3.5%Ypf Sociedad Anonima: $143M · 3.3%Ypf Socie…3.3%Amazon Com Inc: $129M · 3.0%Amazon3.0%Bbb Foods Inc: $121M · 2.8%Bbb Foods2.8%Alphabet Inc: $120M · 2.8%Alphabet2.8%Ishares Inc: $119M · 2.7%Ishares2.7%Seagate Technology Hldngs Pl: $118M · 2.7%Seagate…2.7%Fox Corp: $115M · 2.6%United Airls Hldgs Inc: $108M · 2.5%United Airls
As of Jun 30, 2026 · filed Aug 14, 2026
AppaloosaDavid Tepper · hedge fund
$7.47B in shares 25 positions 82% in top 10 $254M options (notional)
AMAZON COM INC: $1.19B · 16.0%Amazon16.0%MICRON TECHNOLOGY INC: $1.13B · 15.1%Micron Technology15.1%13.5%13 others13.5%TAIWAN SEMICONDUCTOR MANUFAC: $788M · 10.5%Taiwan Semiconduct…10.5%ALPHABET INC: $654M · 8.7%Alphabet8.7%UBER TECHNOLOGIES INC: $555M · 7.4%Uber Technologi…7.4%ISHARES INC: $490M · 6.6%Ishares6.6%META PLATFORMS INC: $380M · 5.1%Meta Platforms5.1%VISTRA CORP: $351M · 4.7%Vistra4.7%NVIDIA CORPORATION: $305M · 4.1%Nvidia4.1%NRG ENERGY INC: $257M · 3.4%Nrg Energy3.4%ALIBABA GROUP HLDG LTD: $192M · 2.6%BOEING CO: $173M · 2.3%
As of Jun 30, 2026 · filed Aug 14, 2026

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