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13F holdings

Hudson Bay Capital Management LP portfolio

Managed by . 1,261 reported positions worth $16.6B as of 2026-03-31, filed with the SEC on 2026-05-13. Parsed from the filing itself, not a reseller.

$16.6B
Book value
1,261
Positions
31%
Top 10 weight
+504
New this quarter
-264
Exited
134 days
Age today
How old this actually is

Every position on this page is a snapshot of 2026-03-31. It was already 43 days old on 2026-05-13, the day it first became public. Today it is 134 days old.

That lag is the law, not a service level — Rule 13f-1 gives managers 45 days after quarter end to file, and no product can shorten it. A fund can have sold every share below before you read this sentence. Treat it as a record of what happened, never as a position you can follow.

What changed

Positions opened and closed

Against its 2025-12-31 filing. This is the part worth reading — the holdings table below is mostly years old.

New positions (504)
TickerIssuerValueShares% of book
UNHUNITEDHEALTH GROUP INC$189.4M700,0001.14%
MUMICRON TECHNOLOGY INC$168.9M500,0701.02%
PENPENUMBRA INC$114.6M349,0380.69%
ITGRINTEGER HLDGS CORP$88.0M1,000,0000.53%
WBSWEBSTER FINL CORP$83.3M1,199,2490.50%
MASI*MASIMO CORP$58.8M330,6790.35%
CVXCHEVRON CORPORATION$55.4M267,7260.33%
RTXRTX CORPORATION$51.8M268,5550.31%
POWIPOWER INTEGRATIONS INC$51.2M1,000,0000.31%
VALVALARIS LTD$49.0M499,6040.29%
WELLWELLTOWER INC$46.5M235,2960.28%
BEBLOOM ENERGY CORP$43.5M321,2660.26%
BAC 7.25 PERP LBANK AMERICA CORP$43.1M36,1920.26%
FSLRFIRST SOLAR INC$39.5M200,0000.24%
KLACKLA CORP$39.2M26,6000.24%
CSCOCISCO SYS INC$39.1M503,8000.24%
TXNTEXAS INSTRS INC$34.7M178,9900.21%
AESAES CORP$27.5M1,950,0000.17%
CHHCHOICE HOTELS INTL INC$20.0M193,1550.12%
NEENEXTERA ENERGY INC$19.9M214,2960.12%
XLESELECT SECTOR SPDR TR$19.6M320,6000.12%
IRMIRON MTN INC DEL$19.5M190,8840.12%
FGIIFG IMPERII ACQUISITION CORP$19.2M1,948,2640.12%
SKTTANGER INC$18.8M552,5440.11%
CWANCLEARWATER ANALYTICS HLDGS I$18.0M762,8700.11%
Closed out (264)
TickerIssuerWas worthShares% of book
CYBRCYBERARK SOFTWARE LTD$231.9M519,7900.00%
EXKEXACT SCIENCES CORP$113.3M1,115,9960.00%
NOWSERVICENOW INC$71.2M465,0000.00%
PYPLPAYPAL HLDGS INC$69.9M1,197,0000.00%
CNCCENTENE CORP DEL$66.9M1,625,0000.00%
CHART INDS INCCHART INDS INC$64.2M311,0710.00%
GSGOLDMAN SACHS GROUP INC$53.2M60,5000.00%
RNG 0 03/15/26RINGCENTRAL INC$52.2M52,686,0000.00%
CRCLCIRCLE INTERNET GROUP INC$39.6M500,0000.00%
FRFIRST INDL RLTY TR INC$37.4M652,7410.00%
MAAMID-AMER APT CMNTYS INC$35.2M253,2310.00%
CTRECARETRUST REIT INC$34.4M952,6410.00%
8QRCONFLUENT INC$30.2M1,000,0000.00%
MTN 0 01/01/26VAIL RESORTS INC$30.2M30,236,0000.00%
DAY 0.25 03/15/26DAYFORCE INC$28.9M29,204,0000.00%
MAMASTERCARD INCORPORATED$28.5M50,0000.00%
SNYSANOFI SA$28.1M580,0500.00%
COPCONOCOPHILLIPS$28.1M300,0000.00%
PDMPIEDMONT REALTY TRUST INC$27.1M3,247,3590.00%
DAYDAYFORCE INC$23.6M341,4010.00%
SLGSL GREEN RLTY CORP$23.3M507,8820.00%
MDLNMEDLINE INC$23.1M550,0500.00%
IVTINVENTRUST PPTYS CORP$20.9M740,6900.00%
HPPHUDSON PAC PPTYS INC$20.8M1,918,5150.00%
TFCTRUIST FINL CORP$20.0M405,9780.00%
Added to (253)
TickerIssuerValueShares% of bookShares Δ
TSLATESLA INC$705.4M1,897,6154.24%+5%
AMZNAMAZON COM INC$614.7M2,951,3973.70%+13%
AAPLAPPLE INC$517.6M2,039,5153.11%+71%
ECHO 3.875 11/30/30ECHOSTAR CORP$469.9M131,204,0722.83%+59%
NFLXNETFLIX INC.$440.4M4,580,8192.65%+22%
PLTRPALANTIR TECHNOLOGIES INC$396.2M2,708,2192.38%+6%
BRK/BBERKSHIRE HATHAWAY INC DEL$366.7M765,2662.20%+26%
RIG 4.625 09/30/29 *TRANSOCEAN INC$265.9M131,243,0001.60%+6%
TSMTAIWAN SEMICONDUCTOR MANUFAC$242.2M716,6991.46%+236%
SPYSTATE STR SPDR S&P 500 ETF T$164.9M253,5450.99%+92%
BAC 0.6 05/25/27 MTNBOFA FIN LLC$156.3M130,308,0000.94%+55%
EA*ELECTRONIC ARTS INC$148.6M728,6870.89%+83%
WBDWARNER BROS DISCOVERY INC$131.6M4,792,0540.79%+10502%
ORCLORACLE CORP$123.9M842,4630.75%+3935%
DLTRDOLLAR TREE INC$123.6M1,129,0000.74%+14%
Trimmed (255)
TickerIssuerValueShares% of bookShares Δ
VRTVERTIV HOLDINGS CO$1.8M7,1420.01%-99%
GOOGALPHABET INC$550,1981,9180.00%-99%
NBISNEBIUS GROUP N.V.$238,6482,3000.00%-99%
BACBANK AMERICA CORP$523,62410,7410.00%-99%
BMNRBITMINE IMMERSION TECNOLOGIE$1.2M59,8700.01%-97%
TRVTRAVELERS COMPANIES INC$210,0107200.00%-97%
CDNSCADENCE DESIGN SYSTEM INC$2.0M7,1600.01%-97%
BPBP PLC$7.1M151,9380.04%-97%
PTGXPROTAGONIST THERAPEUTICS INC$396,3043,7600.00%-97%
COSTCOSTCO WHOLESALE CORPORATION$7.2M7,2550.04%-96%
STEPSTEPSTONE GROUP INC$323,5426,7800.00%-96%
HO1HOLOGIC INC$1.7M22,6400.01%-95%
HONGBPHONEYWELL INTL INC$6.8M30,0020.04%-95%
ROKUROKU INC$1.5M15,5950.01%-95%
WMTWALMART INC$7.2M57,8060.04%-95%
The book

Largest 150 of 1,261 holdings

TickerIssuerValueShares% of bookShares Δ
NVDANVIDIA CORPORATION$910.1M5,218,2945.47%
TSLATESLA INC$705.4M1,897,6154.24%
AMZNAMAZON COM INC$614.7M2,951,3973.70%
AAPLAPPLE INC$517.6M2,039,5153.11%
ECHO 3.875 11/30/30ECHOSTAR CORP$469.9M131,204,0722.83%
FLGFLAGSTAR BANK NATIONAL ASSOC$456.9M34,689,4392.75%
NFLXNETFLIX INC.$440.4M4,580,8192.65%
PLTRPALANTIR TECHNOLOGIES INC$396.2M2,708,2192.38%
BRK/BBERKSHIRE HATHAWAY INC DEL$366.7M765,2662.20%
AMDADVANCED MICRO DEVICES INC$330.1M1,622,8101.98%
PCG 4.25 12/01/27PG&E CORP$274.5M263,895,0001.65%
BABA 0.5 06/01/31ALIBABA GROUP HLDG LTD$270.2M194,500,0001.62%
MSFTMICROSOFT CORP$270.0M729,3851.62%
RIG 4.625 09/30/29 *TRANSOCEAN INC$265.9M131,243,0001.60%
TSMTAIWAN SEMICONDUCTOR MANUFAC$242.2M716,6991.46%
UNHUNITEDHEALTH GROUP INC$189.4M700,0001.14%
MUMICRON TECHNOLOGY INC$168.9M500,0701.02%
SPYSTATE STR SPDR S&P 500 ETF T$164.9M253,5450.99%
BAC 0.6 05/25/27 MTNBOFA FIN LLC$156.3M130,308,0000.94%
AVGOBROADCOM INC$154.8M500,0020.93%
EA*ELECTRONIC ARTS INC$148.6M728,6870.89%
UNIT 7.5 12/01/27UNITI GROUP LLC$136.4M117,120,0000.82%
WBDWARNER BROS DISCOVERY INC$131.6M4,792,0540.79%
ORCLORACLE CORP$123.9M842,4630.75%
DLTRDOLLAR TREE INC$123.6M1,129,0000.74%
NSCNORFOLK SOUTHN CORP$118.4M412,5530.71%
PENPENUMBRA INC$114.6M349,0380.69%
SHOPSHOPIFY INC$112.7M950,0000.68%
DISDISNEY WALT CO$106.0M1,100,0000.64%
ADBEADOBE INC$104.2M428,5000.63%
ANETARISTA NETWORKS INC$96.6M786,5000.58%
GOOGLALPHABET INC$89.9M312,6730.54%
ITGRINTEGER HLDGS CORP$88.0M1,000,0000.53%
INTCINTEL CORP$84.8M1,920,7760.51%
IWMISHARES TR$84.5M340,8000.51%
WBSWEBSTER FINL CORP$83.3M1,199,2490.50%
VISNVISTANCE NETWORKS INC$78.0M4,283,7790.47%
BTUPEABODY ENGR CORP$73.8M2,238,3560.44%
CARAVIS BUDGET GROUP INC$72.9M500,0000.44%
IBITISHARES BITCOIN TRUST ETF$72.2M1,878,2620.43%
KVUEKENVUE INC$70.4M4,085,0000.42%
CCITIGROUP INC$63.9M563,1910.38%
LLYELI LILLY & CO$61.6M67,0040.37%
NEOGNEOGEN CORP$60.4M6,500,1800.36%
ETRENTERGY CORP NEW$59.4M528,5660.36%
MASI*MASIMO CORP$58.8M330,6790.35%
JPMJPMORGAN CHASE & CO$58.2M197,7760.35%
AHRAMERICAN HEALTHCARE REIT INC$56.4M1,195,6130.34%
SRESEMPRA$55.6M571,8460.33%
CVXCHEVRON CORPORATION$55.4M267,7260.33%
BMRNBIOMARIN PHARMACEUTICAL INC$55.1M974,7760.33%
FEFIRSTENERGY CORP$53.5M1,056,1370.32%
WFCWELLS FARGO & CO$52.3M657,1900.31%
NBIXNEUROCRINE BIOSCIENCES INC$52.1M395,8500.31%
RTXRTX CORPORATION$51.8M268,5550.31%
POWIPOWER INTEGRATIONS INC$51.2M1,000,0000.31%
HA7ENVIRI CORP$49.1M2,500,3000.29%
VALVALARIS LTD$49.0M499,6040.29%
APLSUSDAPELLIS PHARMACEUTICALS INC$47.9M1,190,4160.29%
COFCAPITAL ONE FINL CORP$47.6M260,7900.29%
NNNNNN REIT INC$46.7M1,110,3980.28%
WELLWELLTOWER INC$46.5M235,2960.28%
EXMOCEXXON MOBIL CORP$46.4M273,2590.28%
TXNMTXNM ENERGY INC$46.3M792,1100.28%
ISRGINTUITIVE SURGICAL INC$46.1M100,0000.28%
AZOAUTOZONE INC$45.6M13,5000.27%
PPLPPL CORP$44.0M1,150,9410.26%
BEBLOOM ENERGY CORP$43.5M321,2660.26%
BAC 7.25 PERP LBANK AMERICA CORP$43.1M36,1920.26%
EWEDWARDS LIFESCIENCES CORP$42.6M532,1000.26%
NTSTNETSTREIT CORP$42.3M2,245,3910.25%
MSTR 0.625 09/15/28STRATEGY INC$42.1M38,192,0000.25%
CMGCHIPOTLE MEXICAN GRILL INC$41.9M1,309,1000.25%
NWENORTHWESTERN ENERGY GROUP IN$41.2M625,0090.25%
AEEAMEREN CORP$41.1M373,5160.25%
MNSTMONSTER BEVERAGE CORP NEW$40.7M562,0000.24%
LPLALPL FINL HLDGS INC$40.7M135,3240.24%
JNJJOHNSON & JOHNSON$40.2M164,5900.24%
FSLRFIRST SOLAR INC$39.5M200,0000.24%
KLACKLA CORP$39.2M26,6000.24%
CSCOCISCO SYS INC$39.1M503,8000.24%
AEPAMERICAN ELEC PWR CO INC$38.8M295,7820.23%
ABNBAIRBNB INC$38.8M307,0000.23%
XELXCEL ENERGY INC$37.5M471,6330.23%
BIIBBIOGEN INC$36.9M201,3670.22%
EGPEASTGROUP PPTYS INC$36.6M197,5820.22%
LNTALLIANT ENERGY CORP$36.5M509,0020.22%
UALUNITED AIRLS HLDGS INC$36.5M396,4590.22%
TXNTEXAS INSTRS INC$34.7M178,9900.21%
TDSTELEPHONE & DATA SYS INC$34.5M818,7000.21%
PECOPHILLIPS EDISON & CO INC$34.1M910,0290.20%
KIMKIMCO REALTY CORP$33.4M1,487,0960.20%
FXIISHARES TR$31.3M872,0000.19%
AKRACADIA RLTY TR$30.6M1,601,3690.18%
COINCOINBASE GLOBAL INC$30.6M175,0000.18%
BSXBOSTON SCIENTIFIC CORP$30.4M484,0000.18%
METAMETA PLATFORMS INC$30.2M52,7610.18%
MSMORGAN STANLEY$28.7M174,4820.17%
JCIJOHNSON CONTROLS INTERNATION$28.6M218,7040.17%
MSTRSTRATEGY INC$28.6M229,3320.17%
COHRCOHERENT CORP$28.6M120,0000.17%
CUBECUBESMART$28.4M774,4120.17%
MTDMETTLER TOLEDO INTERNATIONAL$27.7M22,0000.17%
AESAES CORP$27.5M1,950,0000.17%
BHCBAUSCH HEALTH COS INC$27.0M5,000,0000.16%
UDRUDR INC$26.7M789,1810.16%
REGNREGENERON PHARMACEUTICALS$24.7M32,0010.15%
DUKDUKE ENERGY CORP NEW$24.7M188,4980.15%
BNTXBIONTECH SE$24.4M275,0000.15%
PSAPUBLIC STORAGE OPER CO$23.8M87,7750.14%
MSCIMSCI INC$23.1M42,8860.14%
PODDINSULET CORP$23.1M110,0000.14%
IONSIONIS PHARMACEUTICALS INC$22.2M295,1000.13%
ARGXARGENX SE$21.9M30,0000.13%
CFGCITIZENS FINL GROUP INC$21.3M355,3640.13%
PNCPNC FINL SVCS GROUP INC$21.1M101,4990.13%
ICEINTERCONTINENTAL EXCHANGE IN$21.0M133,4430.13%
BYDBOYD GAMING CORP$20.5M248,8600.12%
NRGNRG ENERGY INC$20.4M139,5950.12%
XLFSELECT SECTOR SPDR TR$20.3M410,7700.12%
VRTXVERTEX PHARMACEUTICALS INC$20.1M45,0000.12%
CHHCHOICE HOTELS INTL INC$20.0M193,1550.12%
NEENEXTERA ENERGY INC$19.9M214,2960.12%
MARMARRIOTT INTL INC NEW$19.8M60,5020.12%
YUMYUM BRANDS INC$19.7M127,0040.12%
DMIIDRUGS MADE IN AMER ACQ II CO$19.7M1,969,0300.12%
XLESELECT SECTOR SPDR TR$19.6M320,6000.12%
IRMIRON MTN INC DEL$19.5M190,8840.12%
SOFISOFI TECHNOLOGIES INC$19.4M1,224,2710.12%
SUISUN CMNTYS INC$19.4M153,8180.12%
ECHOECHOSTAR CORP$19.3M165,1540.12%
UBERUBER TECHNOLOGIES INC$19.2M267,5620.12%
CMICUMMINS INC$19.2M35,7150.12%
FGIIFG IMPERII ACQUISITION CORP$19.2M1,948,2640.12%
IMCRIMMUNOCORE HLDGS PLC$19.1M633,1740.11%
430TERNS PHARMACEUTICALS INC$19.0M360,8780.11%
SCHWSCHWAB CHARLES CORP$18.9M201,2260.11%
SKTTANGER INC$18.8M552,5440.11%
FLYFIREFLY AEROSPACE INC$18.8M659,0170.11%
CSXCSX CORP$18.6M452,3610.11%
IPCXINFLECTION PT ACQUISITION CO$18.4M1,799,2820.11%
JANUS HENDERSON GROUP PLJANUS HENDERSON GROUP PLC$18.2M354,7720.11%
EDCONSOLIDATED EDISON INC$18.1M159,9530.11%
CWANCLEARWATER ANALYTICS HLDGS I$18.0M762,8700.11%
MESHMESHFLOW ACQUISITION CORP$17.4M1,755,9990.10%
LNCLINCOLN NATL CORP IND$17.3M487,1550.10%
AIGAMERICAN INTL GROUP INC$17.3M229,5670.10%
CMSCMS ENERGY CORP$17.2M221,4960.10%
JBHTHUNT J B TRANS SVCS INC$17.0M80,1970.10%
EVRGEVERGY INC$17.0M206,9490.10%

This table is the 150 largest positions by value, out of 1,261 reported. The search box only searches what is on this page — a name absent from it may still be in the filing further down the book. The full info table is here.

This manager also disclosed 117 options positions with a combined notional of $12.3B. Notional is not ownership, so it is excluded from the book value above rather than folded in to make the fund look bigger.

Rows are aggregated by CUSIP — a manager files the same security multiple times when different internal desks hold it. Tickers link to our own backtest of that asset where we cover it.

Read the original

This page was built from one document: the 2026-03-31 Form 13F info table filed by Hudson Bay Capital Management LP (CIK 1393825, accession 0001393825-26-000041). Every other 13F site is reading the same file.

If anything here disagrees with it, the filing wins — and we would want to know. All 13F filings by this manager

What a 13F cannot show you

A 13F is a long-only equity snapshot, and the holes in it are structural. Anyone selling you this data as "what the smart money is doing" is selling you one leg of a position:

  • No short positions. None, ever. A fund shown here as bullish may be net short the same name through a book you cannot see.
  • No cash, bonds, FX, commodities or non-US listings. A macro fund's entire thesis can be invisible.
  • No intra-quarter round trips. Bought and sold inside the same quarter means it never appears at all.
  • Options are notional, not ownership. We keep puts and calls in a separate bucket rather than adding their notional into a fund's book size, which is how a $2B fund gets reported as a $20B one.
  • Confidential treatment. Managers can ask the SEC to withhold a position while they build it. Those holdings are legally absent from the filing, so a "new" position may be months old.

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