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Hudson Bay Capital Management

Hudson Bay Capital Management Portfolio holdings

AUM $29B
1-Year Est. Return 30.2%
This Fund
S&P 500
This Quarter Est. Return
+3.26%
1 Year Est. Return
+30.2%
3 Year Est. Return
+99.99%
5 Year Est. Return
+135.78%
10 Year Est. Return
+498.47%
AUM
$30.3B
AUM Growth
+$259M
Cap. Flow
+$4.21M
Cap. Flow %
0.01%
Top 10 Hldgs %
25.78%
Holding
1,635
New
443
Increased
264
Reduced
288
Closed
475

Top Buys

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$412M
2
MSFT icon
Microsoft
MSFT
+$384M
3
NFLX icon
Netflix
NFLX
+$293M
4
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$253M
5
AVGO icon
Broadcom
AVGO
+$190M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$421M
2
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$172M
3
TSM icon
TSMC
TSM
+$149M
4
K
Kellanova
K
+$100M
5
UNH icon
UnitedHealth
UNH
+$86.3M

Sector Composition

Rank Sector Weight
1 Technology 14.06%
2 Financials 8.07%
3 Consumer Discretionary 6.89%
4 Healthcare 5.17%
5 Communication Services 4.66%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
WLACW
1001
DELISTED
Willow Lane Acquisition Corp Warrants
WLACW
$106K ﹤0.01%
25,000
-34,034
-58% -$121K
BACCR
1002
Blue Acquisition Corp Right
BACCR
$105K ﹤0.01%
351,200
-23,800
-6% -$6.35K
PMTRW
1003
Perimeter Acquisition Corp I Warrant
PMTRW
$11M
$103K ﹤0.01%
145,695
+113,383
+351% +$94.7K
DYNC
1004
Dynamix Corp
DYNC
$240M
$103K ﹤0.01%
10,000
– –
HVMCW
1005
Highview Merger Corp Warrants
HVMCW
$101K ﹤0.01%
+375,000
New +$125K
PROK icon
1006
ProKidney
PROK
$306M
$101K ﹤0.01%
+45,056
New +$118K
TDACW
1007
Translational Development Acquisition Corp Warrants
TDACW
$16.4M
$101K ﹤0.01%
325,000
– –
OYSER
1008
Oyster Enterprises II Acquisition Corp Rights
OYSER
$100K ﹤0.01%
501,530
-195,000
-28% -$36.2K
APADR
1009
DELISTED
A Paradise Acquisition Corp Rights
APADR
$99.6K ﹤0.01%
398,596
+248,596
+166% +$57.1K
RNGTW
1010
Range Capital Acquisition Corp II Warrants
RNGTW
$3.9M
$99K ﹤0.01%
+300,000
New +$122K
IMDX
1011
Insight Molecular Diagnostics
IMDX
$141M
$98K ﹤0.01%
+13,061
New +$73.7K
NTWOW
1012
Newbury Street II Acquisition Corp Warrant
NTWOW
$3.02M
$97.2K ﹤0.01%
387,074
– –
GSHRW
1013
Gesher Acquisition Corp II Warrants
GSHRW
$95.6K ﹤0.01%
212,500
– –
AREC icon
1014
American Resources Corp
AREC
$309M
$93.2K ﹤0.01%
+37,590
New +$125K
ALTO icon
1015
Alto Ingredients
ALTO
$323M
$91.5K ﹤0.01%
+31,770
New +$59.9K
DRDBW
1016
Roman DBDR Acquisition Corp II Warrants
DRDBW
$91K ﹤0.01%
156,939
– –
VACI.WS
1017
Viking Acquisition Corp I Warrants
VACI.WS
$91K ﹤0.01%
+216,666
New +$90.8K
INO icon
1018
Inovio Pharmaceuticals
INO
$79M
$88.2K ﹤0.01%
+50,677
New +$112K
ALUR
1019
DELISTED
Allurion Technologies
ALUR
$87.1K ﹤0.01%
+59,880
New +$101K
RAAQW
1020
DELISTED
Real Asset Acquisition Corp Warrants
RAAQW
$86K ﹤0.01%
200,000
-125,000
-38% -$74.1K
RAC.WS
1021
Rithm Acquisition Corp Warrants
RAC.WS
$85.7K ﹤0.01%
125,000
– –
SENS icon
1022
Senseonics Holdings Inc
SENS
$410M
$85.3K ﹤0.01%
+15,450
New +$108K
AAM.WS
1023
DELISTED
AA Mission Acquisition Corp Warrants
AAM.WS
$84.8K ﹤0.01%
500,000
– –
NHICW
1024
NewHold Investment Corp III Warrants
NHICW
$18.8M
$84.8K ﹤0.01%
188,408
-250,217
-57% -$120K
SOCAW
1025
Solarius Capital Acquisition Corp Warrant
SOCAW
$84K ﹤0.01%
300,000
– –
39 40
41
42 43

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Hudson Bay Capital Management's Q4 2025 Portfolio in Review

As of Q4 2025, Hudson Bay Capital Management held 1,635 positions worth $30.3B, up 0.86% from $30.1B the previous quarter. Its ten largest holdings account for 26% of the portfolio.

Hudson Bay Capital Management's Q4 2025 filing shows 443 new, 264 increased, 288 reduced and 475 closed positions. Its largest new stake was Vertiv: 964,604 shares worth $156M. The largest sale was Amazon, an estimated $421M.

By sector, the portfolio is most concentrated in Technology at 14% of assets, up from 11% a quarter earlier, followed by Financials and Consumer Discretionary.

  • Hudson Bay Capital Management's largest Q4 2025 buy was Vertiv: 964,604 shares worth $156M.
  • Hudson Bay Capital Management added most to Palantir in Q4 2025, an estimated $412M increase.
  • Hudson Bay Capital Management's biggest Q4 2025 reduction was Amazon, cutting an estimated $421M.
  • Hudson Bay Capital Management fully exited Kellanova in Q4 2025, selling an estimated $100M.
  • Hudson Bay Capital Management's ten largest holdings make up 26% of its $30.3B portfolio in Q4 2025.
  • Hudson Bay Capital Management opened 443 new positions and closed 475 in Q4 2025.
  • Hudson Bay Capital Management's portfolio value rose 0.86% quarter-over-quarter to $30.3B.

Based on Hudson Bay Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.