Tudor Investment Corp Et Al holds a diversified book of 1648 stocks worth $18.6B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Warner Bros Discovery Inc and trimmed Microsoft Corp. Their largest long position is SS SPDR S&P 500 ETF Trust-US at 4% of the equity book. They also disclosed $21.8B in put options (a bearish bet) and $13.5B in call options (bullish), shown separately below and excluded from the equity book. Cloning the disclosed picks since 2013 would be +440% (+14.2%/yr). That is a simulation of the disclosed long book, not audited returns.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/923093/holdings"
Use Arkolith to show TUDOR INVESTMENT CORP ET AL's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 75.5 points over this window.
Growth of $10,000 cloning Tudor Investment Corp Et Al's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
84% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | State Street SPDR S&P 500 ETF Trust - US ETP ETF Option | $727.8M | 1.12M | 3.9% | ▲+152% Added · +675K sh | |
| 2 | Electronic Arts Inc Equity | $275.7M | 1.35M | 1.5% | ▲+52% Added · +464K sh | |
| 3 | Microsoft Corp Equity Option | $249.6M | 674.3K | 1.3% | ▼−6.2% Reduced · −44K sh | |
| 4 | Tesla Inc Equity Option | $217.4M | 584.7K | 1.2% | ▲+875% Added · +525K sh | |
| 5 | Webster Financial Corp Equity | $213.8M | 3.08M | 1.2% | ▲24× Added · +3.0M sh | |
| 6 | Apple Inc Equity | $203.4M | 801.5K | 1.1% | ▲+27% Added · +168K sh | |
| 7 | Warner Bros Discovery Inc - A Equity | $193.7M | 7.06M | 1.0% | ▲New New position | |
| 8 | Kenvue Inc Equity | $191.9M | 11.13M | 1.0% | ▲+63% Added · +4.3M sh | |
| 9 | Amazon.Com Inc Equity Option | $185.8M | 892.1K | 1.0% | ▼−43% Reduced · −670K sh | |
| 10 | Norfolk Southern Corp Equity | $181.3M | 631.7K | 1.0% | ▲+58% Added · +232K sh | |
| 11 | Sealed Air Corp Equity | $179.5M | 4.27M | 1.0% | ▲+2.0% Added · +83K sh | |
| 12 | Nvidia Corp Equity Option | $171.7M | 984.6K | 0.9% | ▼−54% Reduced · −1.1M sh | |
| 13 | Hologic Inc Equity | $166.1M | 2.20M | 0.9% | ▲+36% Added · +587K sh | |
| 14 | Alphabet, Inc. Equity Option | $162.0M | 563.5K | 0.9% | ▼−26% Reduced · −200K sh | |
| 15 | Teck Resources Ltd - US Class B Equity | $147.4M | 2.85M | 0.8% | ▲New New position | |
| 16 | Jpmorgan Chase & Co Equity | $143.6M | 488.3K | 0.8% | ▲+62% Added · +188K sh | |
| 17 | Invesco Qqq Trust Series 1 - US ETP ETF Option | $139.8M | 242.2K | 0.8% | ▼−60% Reduced · −361K sh | |
| 18 | Penumbra Inc Equity | $135.0M | 411.1K | 0.7% | ▲New New position | |
| 19 | Unitedhealth Group Inc Equity Option | $131.6M | 486.4K | 0.7% | ▲+40% Added · +138K sh | |
| 20 | Ishares Core S&P 500 Etf - US ETP Exchange-Traded Fund | $127.1M | 194.6K | 0.7% | ▼−86% Reduced · −1.2M sh | |
| 21 | Meta Platforms Inc Equity Option | $121.3M | 212.0K | 0.7% | ▲New New position | |
| 22 | Micron Technology Inc Equity Option | $120.1M | 355.5K | 0.6% | ▲New New position | |
| 23 | Spdr Gold Shares - US ETP ETF Option | $116.1M | 269.9K | 0.6% | ▼−44% Reduced · −208K sh | |
| 24 | Eli Lilly & Co Equity | $114.7M | 124.7K | 0.6% | ▲+167% Added · +78K sh | |
| 25 | Tjx Cos Inc Equity | $112.6M | 705.3K | 0.6% | ▲43× Added · +689K sh | |
| 26 | Advanced Micro Devices Inc Equity Option | $109.0M | 535.6K | 0.6% | ▲+23% Added · +102K sh | |
| 27 | Liberty Broadband C Equity | $107.4M | 2.14M | 0.6% | ▲+1.3% Added · +28K sh | |
| 28 | Wells Fargo & Co Equity | $105.9M | 1.33M | 0.6% | ▲New New position | |
| 29 | Taiwan Semiconductor Manufacturing Co Ltd - US ADR Equity Option | $105.1M | 310.9K | 0.6% | ▲+76% Added · +134K sh | |
| 30 | Capital One Financial Corp Equity | $99.2M | 543.6K | 0.5% | ▲New New position | |
| 31 | Broadcom Inc Equity | $96.5M | 311.8K | 0.5% | ▲New New position | |
| 32 | Applied Materials Inc Equity | $89.7M | 262.4K | 0.5% | ▲+310% Added · +198K sh | |
| 33 | Cummins Inc Equity | $88.9M | 165.2K | 0.5% | ▲New New position | |
| 34 | Danaher Corp Equity | $84.8M | 447.2K | 0.5% | ▲New New position | |
| 35 | Booking Holdings Inc Equity | $80.5M | 19.1K | 0.4% | ▲+258% Added · +14K sh | |
| 36 | Pg&E Corp Equity | $78.7M | 4.48M | 0.4% | ▲+575% Added · +3.8M sh | |
| 37 | Amphenol Corp Equity | $77.6M | 614.0K | 0.4% | ▲New New position | |
| 38 | Microchip Technology Inc Convertible Bond | $75.9M | 76.50M | 0.4% | ▲+51% Added · +26.0M sh | |
| 39 | Iren Ltd Convertible Bond | $72.9M | 31.80M | 0.4% | ▲+57% Added · +11.6M sh | |
| 40 | Uber Technologies Inc Convertible Bond | $71.1M | 59.00M | 0.4% | ▲+20% Added · +10.0M sh | |
| 41 | Parker-Hannifin Corp Equity | $68.4M | 76.4K | 0.4% | ▲New New position | |
| 42 | Cbre Group Inc Equity | $67.7M | 500.1K | 0.4% | ▲+635% Added · +432K sh | |
| 43 | O'Reilly Automotive Inc Equity | $65.4M | 708.7K | 0.4% | ▲+128% Added · +398K sh | |
| 44 | Super Micro Computer Inc Convertible Bond | $65.0M | 80.85M | 0.3% | ▼−8.5% Reduced · −7.5M sh | |
| 45 | Chevron Corp Equity Option | $64.9M | 313.7K | 0.3% | ▼−49% Reduced · −304K sh | |
| 46 | Transdigm Group Inc Equity | $64.8M | 55.9K | 0.3% | ▲22× Added · +53K sh | |
| 47 | Dexcom Inc Convertible Bond | $63.8M | 69.15M | 0.3% | —Held | |
| 48 | DraftKings Inc Convertible Bond | $61.5M | 68.00M | 0.3% | —Held | |
| 49 | Teradyne Inc Equity | $61.4M | 207.1K | 0.3% | ▼−9.7% Reduced · −22K sh | |
| 50 | Berkshire Hathaway Inc - US Class B Equity Option | $60.8M | 126.9K | 0.3% | ▲+153% Added · +77K sh |
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | ISHARES RUSSELL 2000 ETFIWM | $5.1B | 20.6M |
| CALL · bullish | ISHARES RUSSELL 2000 ETFIWM | $3.0B | 12.0M |
| PUT · bearish | INVESCO QQQ TRUST SERIES 1QQQ | $2.1B | 3.7M |
| CALL · bullish | INVESCO QQQ TRUST SERIES 1QQQ | $1.3B | 2.3M |
| CALL · bullish | SS SPDR S&P 500 ETF TRUST-USSPY | $1.1B | 1.7M |
| PUT · bearish | SS ENERGY SELECT SECTORXLE | $732.4M | 12.0M |
| PUT · bearish | NVIDIA CORPNVDA | $684.9M | 3.9M |
| CALL · bullish | SPDR GOLD SHARESGLD | $574.8M | 1.3M |
| PUT · bearish | SPDR GOLD SHARESGLD | $532.3M | 1.2M |
| PUT · bearish | SS FINANCIAL SELECT SECTORXLF | $431.6M | 8.7M |
| PUT · bearish | SS SPDR S&P REGIONAL BANKKRE | $395.5M | 6.1M |
| PUT · bearish | ISHARES MSCI EMERGING MARKETEEM | $385.5M | 6.8M |
| CALL · bullish | ISHARES MSCI EMERGING MARKETEEM | $367.8M | 6.5M |
| CALL · bullish | ISHARES CHINA LARGE-CAP ETFFXI | $366.4M | 10.2M |
| PUT · bearish | TESLA INCTSLA | $347.4M | 935K |
| PUT · bearish | TAIWAN SEMICONDUCTOR-SP ADRTSM | $332.2M | 983K |
| CALL · bullish | SS ENERGY SELECT SECTORXLE | $331.3M | 5.4M |
| PUT · bearish | ST SR UTL SL SE SPDR ETF-USDXLU | $326.6M | 7.1M |
| PUT · bearish | ALIBABA GROUP HOLDING-SP ADRBABA | $300.0M | 2.4M |
| CALL · bullish | NVIDIA CORPNVDA | $279.0M | 1.6M |
| PUT · bearish | AMAZON.COM INCAMZN | $277.1M | 1.3M |
| PUT · bearish | VANECK SEMICONDUCTOR ETFSMH | $262.9M | 686K |
| PUT · bearish | MICROSOFT CORPMSFT | $251.3M | 679K |
| PUT · bearish | META PLATFORMS INC-CLASS AMETA | $239.8M | 419K |
| PUT · bearish | ISHARES CHINA LARGE-CAP ETFFXI | $239.1M | 6.7M |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 1866 option legs.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 3,515 | $53.9B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 3,423 | $54.0B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Dec 9, 2025 | 3,291 | $58.0B | 13F-HR/A |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 3,177 | $45.9B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 2,975 | $30.1B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 2,944 | $26.3B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 2,639 | $27.5B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 2,258 | $19.5B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 2,143 | $15.7B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 14, 2024 | 2,296 | $12.4B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 15, 2023 | 2,226 | $10.0B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 2,363 | $8.4B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 2,336 | $6.5B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 2,300 | $5.1B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 2,259 | $4.6B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 2,045 | $3.8B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 1,915 | $4.3B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 2,300 | $6.0B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 17, 2021 | 2,411 | $6.2B | 13F-HR/A |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 1,564 | $5.3B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 1,522 | $5.0B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.