CIK: 0001393825
Total reported value
$29.0B
Reporting period: 2026-03-31 · Number of holdings: 1607
Hudson Bay Capital Management LP disclosed 1607 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $29.0B and a quarterly turnover rate of 63.4%.
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Hudson Bay Capital Management LP's disclosed holdings carry a Herfindahl concentration index of 0.025 — mathematically equivalent to about 40 equally-sized positions, well below its 1607 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 5.54), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Trim TSLA
-20.8% -$943.5M
Add AAPL
+94.2% $510.5M
Add IWM
+65.8% $408.5M
Add AMZN
+41.1% $358.5M
Trim GOOGL
-66.6% -$430.1M
Add NFLX
+45.1% $348.0M
Hudson Bay is hunting Alpha via high-frequency rotation: it shed 3 points off a bloated Tesla winner to fund new positions in underweight mega-caps like Apple and Amazon, while adding an ETF for small-cap exposure and initiating a new healthcare stake. This is not defensive — it's a tactical reshuffle to capture relative value within an extended bull narrative.
The macro bet is a soft landing with sustained AI capital expenditure: the fund up-weighted semiconductor demand (TSM), consumer platforms (AMZN, AAPL), and small-cap cyclicals (IWM) while trimming GOOGL and MSFT — a wager that AI spending broadens out beyond the front-runners. The opposing thesis: the AI capex cycle peaks, triggering a synchronized de-rating across all semis and consumer tech, and small caps suffer first as liquidity evaporates.
The portfolio's 1,278 holdings and low conviction sizing create an illusion of diversification: nearly 58% is in Information Technology and Consumer Discretionary, so a sector-wide shock to discretionary spending or tech multiples will hit the entire book with no single position large enough to generate offsetting alpha. The momentum tilt ensures rapid churn into falling knives if the macro narrative breaks.
Compiled by AI from public 13F filings; reflects historical positioning only and carries no investment recommendation.
Showing top 200 holdings (of 1607 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 8.07% | +0.78% | +13.04% | |
| 2 | TSLA | Tesla INC | Stock-Consumer Disc | 6.17% | -2.84% | -20.79% | |
| 3 | AMZN | Amazon.com INC | Stock-Consumer Disc | 5.76% | +1.44% | +41.14% | |
| 4 | AAPL | Apple INC | Stock-Tech | 3.93% | +1.86% | +94.18% | |
| 5 | PLTR | Palantir Technologies Inc-a | Stock-Tech | 3.76% | +0.68% | +41.99% | |
| 6 | NFLX | Netflix INC | Stock-Comm Services | 3.66% | +1.31% | +45.13% | |
| 7 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 3.51% | +1.50% | +65.83% | |
| 8 | AMD | Advanced Micro Devices | Stock-Tech | 3.12% | -0.76% | -19.31% | |
| 9 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 2.88% | +1.00% | +53.29% | |
| 10 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 2.59% | — | +16.35% | |
| 11 | MSFT | Microsoft CORP | Stock-Tech | 1.88% | -1.10% | -21.20% | |
| 12 | ECHO 3.875 11-30-30 | Echostar CORP | Stock-Comm Services | 1.62% | +0.71% | +58.93% | |
| 13 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 1.62% | +1.24% | +261.62% | |
| 14 | FLG | Flagstar Bank NA | Stock-Financials | 1.58% | — | — | |
| 15 | UNH | Unitedhealth Group INC | Stock-Healthcare | 1.31% | +1.31% | NEW | |
| 16 | DLTR | Dollar Tree INC | Stock-Consumer Staples | 1.18% | — | — | |
| 17 | MU | Micron Technology INC | Stock-Tech | 1.17% | +1.17% | NEW | |
| 18 | AVGO | Broadcom INC | Stock-Tech | 1.07% | — | -4.27% | |
| 19 | EA | Electronic Arts INC | Stock-Comm Services | 0.97% | +0.70% | +248.60% | |
| 20 | PCG 4.25 12-01-27 | Pg&e CORP | Stock-Utilities | 0.95% | — | +0.70% | |
| 21 | BABA 0.5 06-01-31 | Alibaba Group Holding | Stock-Consumer Disc | 0.93% | — | -4.42% | |
| 22 | RIG 4.625 09-30-29 * | Transocean Interntnl LTD | Stock-Energy | 0.92% | +0.36% | +6.14% | |
| 23 | ORCL | Oracle CORP | Stock-Tech | 0.89% | +0.88% | +8294.23% | |
| 24 | HYG | Ishr Ibx Usd Hiyld Cb Etf-ui | ETF-High Yield | 0.88% | +0.43% | +88.76% | |
| 25 | GLD | Spdr Gold Shares | ETF-Commodities | 0.84% | +0.84% | NEW | |
| 26 | SHOP | Shopify INC - Class A | Stock-Tech | 0.84% | — | +2.46% | |
| 27 | IBIT | Ishares Bitcoin Trust ETF | ETF-Crypto | 0.75% | — | -1.23% | |
| 28 | WBD | Warner Bros Discovery INC | Stock-Comm Services | 0.73% | +0.71% | +4061.25% | |
| 29 | DIS | Walt Disney Co/the | Stock-Comm Services | 0.73% | — | -1.21% | |
| 30 | ADBE | Adobe INC | Stock-Tech | 0.72% | — | +47.76% | |
| 31 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 0.66% | -1.39% | -66.58% | |
| 32 | INTC | Intel CORP | Stock-Tech | 0.59% | — | +34.04% | |
| 33 | QQQ | Invesco Qqq Trust Series 1 | ETF-Tech | 0.58% | +0.40% | +222.03% | |
| 34 | COIN | Coinbase Global INC -class A | Stock-Financials | 0.54% | — | — | |
| 35 | BAC 0.6 05-25-27 MTN | Bofa Finance LLC | Stock-Financials | 0.54% | — | +54.56% | |
| 36 | UNIT 7.5 12-01-27 | Uniti Group INC | Stock-Other | 0.47% | — | -2.48% | |
| 37 | NSC | Norfolk Southern CORP | Stock-Industrials | 0.41% | — | +23.03% | |
| 38 | PEN | Penumbra INC | Stock-Healthcare | 0.40% | +0.40% | NEW | |
| 39 | FXI | Ishares China Large-cap ETF | ETF-Emerging Markets | 0.39% | — | -20.68% | |
| 40 | MRK | Merck & Co. INC. | Stock-Healthcare | 0.37% | — | +156.25% | |
| 41 | ANET | Arista Networks INC | Stock-Tech | 0.33% | — | -0.48% | |
| 42 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.31% | -0.69% | -66.05% | |
| 43 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.31% | — | +48.96% | |
| 44 | ITGR | Integer Holdings CORP | Stock-Healthcare | 0.30% | +0.30% | NEW | |
| 45 | XLF | Ss Financial Select Sector | ETF-Other | 0.29% | — | +107.37% | |
| 46 | XOP | Ss Spdr S&p Og Exp & Prod | ETF-Other | 0.29% | +0.29% | NEW | |
| 47 | AAL | American Airlines Group INC | Stock-Industrials | 0.29% | — | -1.52% | |
| 48 | WBS | Webster Financial CORP | Stock-Financials | 0.29% | +0.29% | NEW | |
| 49 | FSLR | First Solar INC | Stock-Tech | 0.27% | — | — | |
| 50 | BE | Bloom Energy Corp- A | Stock-Industrials | 0.27% | — | — |
Performance for Q3 2026
+1.9%
Performance Last 4 Quarters
+18.6%
Based on 71% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 1607 | $29.0B | 63 | |
| 2025-12-31 | 1279 | $30.3B | 74 | |
| 2025-09-30 | 1517 | $30.1B | 84 | |
| 2025-06-30 | 1443 | $29.4B | 0 | |
| 2025-03-31 | 1339 | $32.4B | 100 | |
| 2024-12-31 | 946 | $28.4B | 0 | |
| 2024-09-30 | 865 | $24.7B | 0 | |
| 2024-06-30 | 787 | $21.3B | 0 | |
| 2024-03-31 | 739 | $18.0B | 0 | |
| 2023-12-31 | 712 | $15.8B | 0 | |
| 2023-09-30 | 801 | $12.7B | 0 | |
| 2023-06-30 | 851 | $13.8B | 0 | |
| 2023-03-31 | 854 | $12.1B | 0 | |
| 2022-12-31 | 986 | $9.8B | 0 | |
| 2022-09-30 | 1231 | $11.3B | 0 | |
| 2022-06-30 | 1329 | $13.2B | 0 | |
| 2022-03-31 | 1186 | $7.4B | 0 | |
| 2021-12-31 | 1085 | $9.8B | 0 | |
| 2021-09-30 | 991 | $7.4B | 0 | |
| 2021-06-30 | 951 | $8.3B | 100 | |
| 2021-03-31 | 860 | $8.1B | 96 | |
| 2020-12-31 | 589 | $9.3B | 100 | |
| 2020-09-30 | 546 | $6.7B | 92 | |
| 2020-06-30 | 493 | $5.7B | 86 | |
| 2020-03-31 | 494 | $4.0B | 100 | |
| 2019-12-31 | 422 | $4.5B | 91 | |
| 2019-09-30 | 394 | $3.6B | 76 | |
| 2019-06-30 | 403 | $4.4B | 100 | |
| 2019-03-31 | 674 | $7.8B | 92 | |
| 2018-12-31 | 759 | $7.5B | 85 | |
| 2018-09-30 | 683 | $8.1B | 71 | |
| 2018-06-30 | 765 | $7.1B | 96 | |
| 2018-03-31 | 752 | $4.8B | 100 | |
| 2017-12-31 | 487 | $4.7B | 79 | |
| 2017-09-30 | 364 | $4.0B | 78 | |
| 2017-06-30 | 511 | $5.0B | 90 | |
| 2017-03-31 | 779 | $7.4B | 100 | |
| 2016-12-31 | 622 | $4.8B | 100 | |
| 2016-09-30 | 425 | $4.1B | 100 | |
| 2016-06-30 | 355 | $3.2B | 100 | |
| 2016-03-31 | 184 | $2.1B | 100 | |
| 2015-12-31 | 185 | $1.8B | 100 | |
| 2015-09-30 | 205 | $2.3B | 85 | |
| 2015-06-30 | 223 | $3.4B | 99 | |
| 2015-03-31 | 180 | $3.8B | 95 | |
| 2014-12-31 | 182 | $4.3B | 100 | |
| 2014-09-30 | 207 | $3.5B | 88 | |
| 2014-06-30 | 165 | $3.2B | 93 | |
| 2014-03-31 | 173 | $3.7B | 100 | |
| 2013-12-31 | 156 | $2.5B | 89 | |
| 2013-09-30 | 174 | $2.7B | 99 | |
| 2013-06-30 | 148 | $1.9B | — |
Hudson Bay Capital Management LP's most significant position changes for 2026-03-31: New buy: Unitedhealth Group INC (UNH); New buy: Micron Technology INC (MU); New buy: Spdr Gold Shares (GLD); Sold out: Cyberark Software LTD; Sold out: Servicenow INC (NOW).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AAPL | Apple INC | +1.9% | +94.18% | Add |
| 2 | IWM | Ishares Russell 2000 ETF | +1.5% | +65.83% | Add |
| 3 | AMZN | Amazon.com INC | +1.4% | +41.14% | Add |
| 4 | NFLX | Netflix INC | +1.3% | +45.13% | Add |
| 5 | TSM | Taiwan Semiconductor-sp Adr | +1.2% | +261.62% | Add |
| 6 | SPY | Ss Spdr S&p 500 ETF Trust-us | +1% | +53.29% | Add |
| 7 | ORCL | Oracle CORP | +0.9% | +8294.23% | Add |
| 8 | NVDA | Nvidia CORP | +0.8% | +13.04% | Add |
| 9 | WBD | Warner Bros Discovery INC | +0.7% | +4061.25% | Add |
| 10 | ECHO 3.875 11-30-30 | Echostar CORP | +0.7% | +58.93% | Add |
| 11 | EA | Electronic Arts INC | +0.7% | +248.60% | Add |
| 12 | PLTR | Palantir Technologies Inc-a | +0.7% | +41.99% | Add |
| 13 | HYG | Ishr Ibx Usd Hiyld Cb Etf-ui | +0.4% | +88.76% | Add |
| 14 | QQQ | Invesco Qqq Trust Series 1 | +0.4% | +222.03% | Add |
| 15 | RIG 4.625 09-30-29 * | Transocean Interntnl LTD | +0.4% | +6.14% | Add |
| 16 | DASH | Doordash INC - A | -0.3% | -96.37% | Trim |
| 17 | LIN | Linde plc | -0.3% | -94.39% | Trim |
| 18 | GOOG | Alphabet Inc-cl C | -0.3% | -68.58% | Trim |
| 19 | ALNY | Alnylam Pharmaceuticals INC | -0.3% | -85.96% | Trim |
| 20 | VRTX | Vertex Pharmaceuticals INC | -0.3% | -82.99% | Trim |
| 21 | CNC | Centene CORP | -0.5% | -86.67% | Trim |
| 22 | SNPS | Synopsys INC | -0.5% | -88.40% | Trim |
| 23 | BP | Bp Plc-spons Adr | -0.5% | -96.62% | Trim |
| 24 | CDNS | Cadence Design Sys INC | -0.5% | -98.57% | Trim |
| 25 | TMUS | T-mobile US INC | -0.6% | -93.41% | Trim |
| 26 | NBIS | Nebius Group NV | -0.6% | -99.90% | Trim |
| 27 | META | Meta Platforms Inc-class A | -0.7% | -66.05% | Trim |
| 28 | ISRG | Intuitive Surgical INC | -0.7% | -79.27% | Trim |
| 29 | AMD | Advanced Micro Devices | -0.8% | -19.31% | Trim |
| 30 | HON | Honeywell International INC | -0.8% | -95.24% | Trim |
| 31 | WMT | Walmart INC | -0.8% | -97.53% | Trim |
| 32 | VRT | Vertiv Holdings Co-a | -1% | -99.62% | Trim |
| 33 | BA | Boeing Co/the | -1% | -79.23% | Trim |
| 34 | MSFT | Microsoft CORP | -1.1% | -21.20% | Trim |
| 35 | COST | Costco Wholesale CORP | -1.1% | -98.19% | Trim |
| 36 | HOOD | Robinhood Markets INC - A | -1.1% | -90.33% | Trim |
| 37 | GOOGL | Alphabet Inc-cl A | -1.4% | -66.58% | Trim |
| 38 | TSLA | Tesla INC | -2.8% | -20.79% | Trim |
| 39 | UNH | Unitedhealth Group INC | — | NEW | New buy |
| 40 | MU | Micron Technology INC | — | NEW | New buy |
| 41 | GLD | Spdr Gold Shares | — | NEW | New buy |
| 42 | ✓ | Cyberark Software LTD | — | EXIT | Sold out |
| 43 | NOW | Servicenow INC | — | EXIT | Sold out |
| 44 | PYPL | Paypal Holdings INC | — | EXIT | Sold out |
| 45 | PEN | Penumbra INC | — | NEW | New buy |
| 46 | EXK | Exact Sciences CORP | — | EXIT | Sold out |
| 47 | GS | Goldman Sachs Group INC | — | EXIT | Sold out |
| 48 | ITGR | Integer Holdings CORP | — | NEW | New buy |
| 49 | XOP | Ss Spdr S&p Og Exp & Prod | — | NEW | New buy |
| 50 | WBS | Webster Financial CORP | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-13 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-12-15 | Amendment | View on EDGAR |
| 2025-09-30 | 2025-11-13 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-18 | Amendment | View on EDGAR |
| 2025-06-30 | 2025-08-14 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-14 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-13 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-15 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-14 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-12-07 | Amendment | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-14 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-16 | Amendment | View on EDGAR |
| 2023-03-31 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-12 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-16 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-12-29 | Amendment | View on EDGAR |
| 2021-09-30 | 2021-11-15 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-16 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-14 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-03-04 | Amendment | View on EDGAR |
| 2020-12-31 | 2021-02-12 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-12 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-12 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-14 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-12 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-13 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-13 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-13 | Amendment | View on EDGAR |
| 2018-09-30 | 2018-11-14 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-13 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-14 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-12 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-13 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-11 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-15 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-03-03 | Amendment | View on EDGAR |
| 2016-12-31 | 2017-02-13 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2017-01-04 | Amendment | View on EDGAR |
| 2016-09-30 | 2016-12-16 | Amendment | View on EDGAR |
| 2016-09-30 | 2016-11-09 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-10 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-10 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-12 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-10 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-13 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-13 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-12 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-14 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-13 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-14 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-11 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-13 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-09 | 13F-HR | View on EDGAR |
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