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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
+485.17%
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
TSLA icon
1
PUT
Tesla
TSLA
$1.23T
$1.36B 4.48%
3,020,000
+825,000
+38% +$366M
NVDA icon
2
PUT
NVIDIA
NVDA
$4.82T
$1.12B 3.68%
5,986,900
-1,113,200
-16% -$207M
NVDA icon
3
NVIDIA
NVDA
$4.82T
$1.04B 3.43%
5,587,227
-370,728
-6% -$69M
TSLA icon
4
Tesla
TSLA
$1.23T
$815M 2.69%
1,812,516
+41,541
+2% +$18.4M
AMZN icon
5
PUT
Amazon
AMZN
$2.92T
$681M 2.25%
2,952,000
-1,418,000
-32% -$324M
AMZN icon
6
Amazon
AMZN
$2.92T
$603M 1.99%
2,610,777
-1,840,368
-41% -$421M
AMD icon
7
PUT
Advanced Micro Devices
AMD
$794B
$589M 1.94%
2,750,000
+825,000
+43% +$185M
TSLA icon
8
CALL
Tesla
TSLA
$1.23T
$559M 1.84%
1,244,000
+789,400
+174% +$350M
IWM icon
9
PUT
iShares Russell 2000 ETF
IWM
$80B
$554M 1.82%
2,249,000
-1,351,000
-38% -$332M
AMD icon
10
Advanced Micro Devices
AMD
$794B
$503M 1.66%
2,350,000
+423,844
+22% +$95.2M
SPY icon
11
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$789B
$481M 1.59%
705,800
-482,400
-41% -$326M
PLTR icon
12
PUT
Palantir
PLTR
$293B
$479M 1.58%
2,697,500
+2,197,500
+440% +$398M
PLTR icon
13
Palantir
PLTR
$293B
$454M 1.5%
2,555,000
+2,274,618
+811% +$412M
MSFT icon
14
PUT
Microsoft
MSFT
$3.44T
$447M 1.47%
+924,000
New +$463M
FLG
15
Flagstar Bank National Association
FLG
$5.97B
$437M 1.44%
34,689,439
– –
MSFT icon
16
Microsoft
MSFT
$3.44T
$404M 1.33%
834,970
+765,630
+1,104% +$384M
NFLX icon
17
PUT
Netflix
NFLX
$299B
$361M 1.19%
3,850,000
+850,000
+28% +$91.6M
NFLX icon
18
Netflix
NFLX
$299B
$352M 1.16%
3,750,810
+2,720,320
+264% +$293M
BRK.B icon
19
PUT
Berkshire Hathaway Class B
BRK.B
$1.11T
$347M 1.14%
690,000
+6,000
+0.9% +$2.99M
AAPL icon
20
Apple
AAPL
$4.44T
$324M 1.07%
1,191,454
+180,863
+18% +$48.6M
GOOGL icon
21
Alphabet (Google) Class A
GOOGL
$4.36T
$314M 1.03%
1,002,946
+885,845
+756% +$253M
GOOGL icon
22
PUT
Alphabet (Google) Class A
GOOGL
$4.36T
$307M 1.01%
980,000
+780,000
+390% +$223M
BRK.B icon
23
Berkshire Hathaway Class B
BRK.B
$1.11T
$304M 1%
605,266
+21,851
+4% +$10.9M
AAPL icon
24
PUT
Apple
AAPL
$4.44T
$298M 0.98%
1,096,000
-754,000
-41% -$202M
DLTR icon
25
PUT
Dollar Tree
DLTR
$24.6B
$246M 0.81%
2,000,000
-500,000
-20% -$53.6M
1
2 3 4 5

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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.