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Sander Gerber · Hudson Bay Capital Management LP · CIK 0001393825
Latest 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026, compared with the quarter ended Mar 31, 2026.
Estimated trade value from reported units and period-end values
1,335 positions by reported value · includes 125 option positions
| Holding | Portfolio weight | Reported value | Shares / units | Change vs prior quarter |
|---|---|---|---|---|
| TSLATESLA INC · COM · PUT | 3.22% | $1.2B | 2,818,600 | +10.4% |
| AMZNAMAZON COM INC · COM · PUT | 3.07% | $1.1B | 4,747,000 | +10.1% |
| AMZNAMAZON COM INC · COM | 2.67% | $981.8M | 4,119,525 | +39.6% |
| NVDANVIDIA CORPORATION · COM · PUT | 2.56% | $942.0M | 4,707,700 | -32.2% |
| IWMISHARES TR · RUSSELL 2000 ETF · PUT | 2.54% |
Source: SEC Form 13F filings (latest filing on sec.gov). Information and analytics, not investment advice. Holdings are reported as of the quarter end, not live positions; reported 13F value covers securities listed on Form 13F and is not the fund's total assets under management.
| $935.2M |
| 3,112,500 |
| -11.5% |
| TSMTAIWAN SEMICONDUCTOR MANUFAC · SPONSORED ADS · PUT | 2.53% | $931.3M | 1,950,000 | +191.0% |
| TSMTAIWAN SEMICONDUCTOR MANUFAC · SPONSORED ADS | 2.51% | $923.2M | 1,933,095 | +169.7% |
| TSLATESLA INC · COM | 2.34% | $863.5M | 2,053,052 | +8.2% |
| AMDADVANCED MICRO DEVICES INC · COM · PUT | 2.23% | $819.7M | 1,411,100 | -41.4% |
| NVDANVIDIA CORPORATION · COM | 2.13% | $785.8M | 3,927,100 | -24.7% |
| PLTRPALANTIR TECHNOLOGIES INC · CL A · PUT | 2.06% | $757.7M | 6,494,700 | +62.4% |
| SNDKSANDISK CORP · COM | 1.89% | $696.0M | 306,118 | New |
| SNDKSANDISK CORP · COM · PUT | 1.88% | $693.0M | 304,800 | New |
| PLTRPALANTIR TECHNOLOGIES INC · CL A | 1.79% | $658.3M | 5,642,150 | +108.3% |
| SPYSTATE STR SPDR S&P 500 ETF T · TR UNIT · PUT | 1.54% | $568.7M | 761,600 | -18.2% |
| GOOGLALPHABET INC · CAP STK CL A | 1.52% | $559.0M | 1,564,152 | +400.3% |
| GOOGLALPHABET INC · CAP STK CL A · PUT | 1.44% | $530.7M | 1,485,000 | +324.3% |
| ECHO 3.875 11/30/30ECHOSTAR CORP · NOTE 3.875%11/3 | 1.39% | $511.2M | 163,372,072 | +24.5% |
| BRK/BBERKSHIRE HATHAWAY INC DEL · CL B NEW · PUT | 1.25% | $459.7M | 918,600 | +14.8% |
| BRK/BBERKSHIRE HATHAWAY INC DEL · CL B NEW | 1.11% | $409.5M | 818,279 | +6.9% |
| AMDADVANCED MICRO DEVICES INC · COM | 1.08% | $398.4M | 685,802 | -57.7% |
| MSFTMICROSOFT CORP · COM | 1.05% | $388.5M | 1,041,517 | +42.8% |
| MSFTMICROSOFT CORP · COM · PUT | 1.02% | $374.9M | 1,005,000 | +38.6% |
| NFLXNETFLIX INC. · COM · PUT | 0.86% | $317.8M | 4,451,000 | -24.6% |
| QQQINVESCO QQQ TR · UNIT SER 1 · PUT | 0.84% | $308.7M | 419,200 | +738.4% |
| METAMETA PLATFORMS INC · CL A | 0.78% | $287.9M | 511,031 | +868.6% |
| PCG 4.25 12/01/27PG&E CORP · NOTE 4.250%12/0 | 0.76% | $280.4M | 273,895,000 | +3.8% |
| INTCINTEL CORP · COM | 0.75% | $276.9M | 1,983,366 | +3.3% |
| 84615Q103SPACE EXPLORATION TECHN CORP · CLASS A COM STK | 0.73% | $267.3M | 1,564,348 | New |
| DLTRDOLLAR TREE INC · COM · PUT | 0.67% | $247.9M | 2,050,000 | +2.5% |
| AMDADVANCED MICRO DEVICES INC · COM · CALL | 0.67% | $246.3M | 424,000 | +4.0% |
| GOOGALPHABET INC · CAP STK CL C · PUT | 0.61% | $226.1M | 640,000 | +611.1% |
| AAPLAPPLE INC · COM · PUT | 0.60% | $221.1M | 764,000 | -64.7% |
| BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD · NOTE 0.500% 6/0 | 0.59% | $217.8M | 184,500,000 | -5.1% |
| GOOGALPHABET INC · CAP STK CL C | 0.56% | $207.9M | 588,332 | +30574.2% |
| 337932AT4FIRSTENERGY CORP · NOTE 3.625% 1/1 | 0.56% | $206.6M | 189,240,000 | New |
| NFLXNETFLIX INC. · COM | 0.56% | $204.6M | 2,865,240 | -37.5% |
| SNPSSYNOPSYS INC · COM | 0.53% | $195.8M | 438,900 | +945.0% |
| VRTXVERTEX PHARMACEUTICALS INC · COM | 0.53% | $193.9M | 390,440 | +767.6% |
| RIG 4.625 09/30/29 *TRANSOCEAN INC · DEB 4.625% 9/3 | 0.50% | $185.8M | 120,378,000 | -8.3% |
| EA*ELECTRONIC ARTS INC · COM | 0.50% | $184.7M | 900,734 | +23.6% |
| AAPLAPPLE INC · COM | 0.50% | $182.6M | 631,092 | -69.1% |
| SNPSSYNOPSYS INC · COM · PUT | 0.48% | $178.4M | 400,000 | New |
| INTCINTEL CORP · COM · PUT | 0.46% | $170.3M | 1,220,000 | -37.6% |
| AAPLAPPLE INC · COM · CALL | 0.46% | $168.6M | 582,600 | +105.9% |
| BAC 0.6 05/25/27 MTNBOFA FIN LLC · MTNF 0.600% 5/2 | 0.45% | $164.3M | 130,308,000 | Unchanged |
| HYGISHARES TR · IBOXX HI YD ETF · PUT | 0.43% | $159.9M | 2,000,000 | -33.3% |
| UNHUNITEDHEALTH GROUP INC · COM · PUT | 0.42% | $155.9M | 375,000 | -46.4% |
| WBDWARNER BROS DISCOVERY INC · COM SER A · PUT | 0.42% | $153.7M | 5,766,900 | +96.5% |
| NSCNORFOLK SOUTHN CORP · COM | 0.42% | $153.0M | 486,264 | +17.9% |
| DLTRDOLLAR TREE INC · COM | 0.41% | $152.6M | 1,261,436 | +11.7% |
| WBDWARNER BROS DISCOVERY INC · COM SER A | 0.40% | $149.0M | 5,589,805 | +16.6% |
| FLGFLAGSTAR BANK NATIONAL ASSOC · COM NEW | 0.39% | $145.4M | 9,734,256 | -71.9% |
| ABTABBOTT LABORATORIES · COM | 0.39% | $145.2M | 1,600,000 | +2033.3% |
| UNIT 7.5 12/01/27UNITI GROUP LLC · NOTE 7.500%12/0 | 0.38% | $140.9M | 116,770,000 | -0.3% |
| AALAMERICAN AIRLINES GROUP INC · COM · PUT | 0.38% | $139.0M | 7,694,800 | Unchanged |
| SHOPSHOPIFY INC · CL A SUB VTG SHS · PUT | 0.38% | $138.8M | 1,216,000 | +10.6% |
| ADBEADOBE INC · COM | 0.37% | $136.5M | 665,580 | +55.3% |
| ABTABBOTT LABORATORIES · COM · PUT | 0.37% | $136.1M | 1,500,000 | New |
| ADBEADOBE INC · COM · PUT | 0.37% | $135.9M | 662,900 | +54.7% |
| SMHVANECK ETF TRUST · SEMICONDUCTR ETF · PUT | 0.37% | $134.7M | 205,300 | +56.2% |
| VVISA INC · COM CL A | 0.36% | $134.2M | 391,180 | New |
| 00971TAQ4AKAMAI TECHNOLOGIES INC · NOTE 0.250% 5/1 | 0.36% | $132.9M | 90,898,000 | New |
| ISRGINTUITIVE SURGICAL INC · COM NEW | 0.35% | $130.0M | 327,000 | +227.0% |
| BEBLOOM ENERGY CORP · COM CL A | 0.35% | $127.5M | 421,220 | +31.1% |
| VRTXVERTEX PHARMACEUTICALS INC · COM · PUT | 0.34% | $124.2M | 250,000 | New |
| MCHPMICROCHIP TECHNOLOGY INC. · COM · PUT | 0.33% | $122.6M | 1,344,000 | New |
| MCHPMICROCHIP TECHNOLOGY INC. · COM | 0.33% | $122.6M | 1,344,000 | +3175.3% |
| SHOPSHOPIFY INC · CL A SUB VTG SHS | 0.33% | $121.7M | 1,066,000 | +12.2% |
| LLYELI LILLY & CO · COM · PUT | 0.33% | $119.9M | 100,000 | +233.3% |
| LLYELI LILLY & CO · COM | 0.33% | $119.9M | 100,000 | +49.2% |
| MRKMERCK & CO INC · COM · PUT | 0.32% | $118.9M | 925,000 | +15.6% |
| BABOEING CO · COM · PUT | 0.32% | $118.3M | 546,600 | +73.5% |
| 86800U500SUPER MICRO COMPUTER INC · 7 DEP CM SR A WI | 0.31% | $114.2M | 2,225,000 | New |
| SPYSTATE STR SPDR S&P 500 ETF T · TR UNIT | 0.29% | $106.8M | 143,000 | -43.6% |
| 90353TAS9UBER TECHNOLOGIES INC · NOTE 5/1 | 0.29% | $106.5M | 91,966,000 | New |
| ANETARISTA NETWORKS INC · COM SHS | 0.29% | $105.9M | 623,500 | -20.7% |
| UNHUNITEDHEALTH GROUP INC · COM | 0.29% | $105.7M | 254,280 | -63.7% |
| HDHOME DEPOT INC · COM · PUT | 0.28% | $105.0M | 297,600 | New |
| BEBLOOM ENERGY CORP · COM CL A · PUT | 0.28% | $104.1M | 344,000 | +33.3% |
| AMGNAMGEN INC · COM | 0.28% | $101.8M | 281,000 | New |
| AMGNAMGEN INC · COM · PUT | 0.28% | $101.4M | 280,000 | New |
| ABBVABBVIE INC · COM | 0.27% | $101.3M | 402,440 | +1911.2% |
| AHRAMERICAN HEALTHCARE REIT INC · COM SHS | 0.27% | $99.4M | 1,906,718 | +59.5% |
| ISRGINTUITIVE SURGICAL INC · COM NEW · PUT | 0.27% | $99.4M | 250,000 | New |
| METAMETA PLATFORMS INC · CL A · PUT | 0.27% | $98.0M | 174,000 | +166.1% |
| TSLATESLA INC · COM · CALL | 0.26% | $97.5M | 231,800 | -35.9% |
| ABBVABBVIE INC · COM · PUT | 0.26% | $95.6M | 380,000 | New |
| ITGRINTEGER HLDGS CORP · COM | 0.25% | $93.5M | 1,000,000 | Unchanged |
| BTUPEABODY ENGR CORP · COM | 0.24% | $89.8M | 3,882,918 | +73.5% |
| 84615Q103SPACE EXPLORATION TECHN CORP · CLASS A COM STK · PUT | 0.23% | $85.9M | 502,700 | New |
| HDHOME DEPOT INC · COM | 0.23% | $83.9M | 237,975 | +2019.1% |
| NFLXNETFLIX INC. · COM · CALL | 0.22% | $81.2M | 1,137,500 | +106.8% |
| BAC 7.25 PERP LBANK OF AMER CORP · 7.25%CNV PFD L | 0.22% | $80.7M | 64,368 | +77.8% |
| EOSEEOS ENERGY ENTERPRISES INC · COM CL A | 0.22% | $80.5M | 13,683,634 | New |
| MSTRSTRATEGY INC · CL A NEW · PUT | 0.21% | $77.7M | 893,700 | +130.3% |
| PHPARKER-HANNIFIN CORP · COM | 0.21% | $76.1M | 77,844 | +540.6% |
| BLKBLACKROCK INC · COM | 0.20% | $74.7M | 77,656 | +391.8% |
| MSMORGAN STANLEY · COM NEW | 0.20% | $74.3M | 355,511 | +103.8% |
| WMTWALMART INC · COM | 0.19% | $71.7M | 632,917 | +994.9% |