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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
BKH icon
626
Black Hills Corp
BKH
$5.61B
$2.82M 0.01%
+40,638
New +$2.74M
DRDB
627
Roman DBDR Acquisition Corp II
DRDB
$326M
$2.8M 0.01%
268,440
– –
BSAA
628
BEST SPAC I Acquisition Corp
BSAA
$83.8M
$2.79M 0.01%
275,000
– –
ALF
629
Centurion Acquisition Corp
ALF
$390M
$2.77M 0.01%
259,610
– –
BAX icon
630
Baxter International
BAX
$14B
$2.77M 0.01%
145,000
+65,000
+81% +$1.3M
VNME
631
Vendome Acquisition Corp I
VNME
$257M
$2.77M 0.01%
275,000
– –
ALC icon
632
Alcon
ALC
$35.7B
$2.76M 0.01%
+35,000
New +$2.69M
AGIO icon
633
Agios Pharmaceuticals
AGIO
$2.03B
$2.72M 0.01%
100,000
-22,500
-18% -$789K
MLAC
634
DELISTED
Mountain Lake Acquisition Corp
MLAC
$2.71M 0.01%
260,429
-439,571
-63% -$4.58M
AMRZ
635
Amrize Ltd
AMRZ
$25.5B
$2.7M 0.01%
49,885
-20,059
-29% -$1.02M
TAC icon
636
TransAlta
TAC
$3.91B
$2.67M 0.01%
+211,562
New +$3.16M
AWK icon
637
American Water Works
AWK
$26.8B
$2.64M 0.01%
+20,238
New +$2.7M
LPBB
638
Launch Two Acquisition Corp
LPBB
$310M
$2.64M 0.01%
251,261
-48,105
-16% -$504K
CLX icon
639
Clorox
CLX
$12.8B
$2.62M 0.01%
+26,027
New +$2.83M
BLDR icon
640
Builders FirstSource
BLDR
$7.81B
$2.61M 0.01%
25,363
-30,783
-55% -$3.46M
RIBB
641
Ribbon Acquisition Corp
RIBB
$2.6M 0.01%
250,000
– –
STLD icon
642
Steel Dynamics
STLD
$37.9B
$2.59M 0.01%
15,267
+5,178
+51% +$822K
HTZ icon
643
CALL
Hertz
HTZ
$994M
$2.57M 0.01%
500,000
-1,200,000
-71% -$6.55M
CTRI icon
644
Centuri Holdings
CTRI
$2.4B
$2.56M 0.01%
101,560
-24,825
-20% -$555K
FNKO icon
645
Funko
FNKO
$338M
$2.55M 0.01%
750,000
– –
DAAQ
646
Digital Asset Acquisition Corp
DAAQ
$170M
$2.55M 0.01%
250,000
– –
EGHA
647
EGH Acquisition Corp
EGHA
$212M
$2.54M 0.01%
250,000
-69,833
-22% -$706K
WRD
648
WeRide Inc
WRD
$1.89B
$2.53M 0.01%
291,946
-774,456
-73% -$7.21M
NP
649
Neptune Insurance Holdings
NP
$4.29B
$2.53M 0.01%
+86,850
New +$2.28M
BLZR
650
Trailblazer Acquisition Corp
BLZR
$349M
$2.53M 0.01%
+252,518
New +$2.55M
24 25
26
27 28

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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.