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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
DSACU
576
Daedalus Special Acquisition Corp Unit
DSACU
$3.52M 0.01%
+350,000
New +$3.52M
SONO icon
577
Sonos
SONO
$1.86B
$3.51M 0.01%
+200,000
New +$3.49M
BLRKU
578
Bluerock Acquisition Corp Unit
BLRKU
$3.5M 0.01%
+350,000
New +$3.5M
TWLVU
579
Twelve Seas Investment Company III Units
TWLVU
$3.48M 0.01%
+350,000
New +$3.49M
CDTX
580
DELISTED
Cidara Therapeutics
CDTX
$3.48M 0.01%
+15,751
New +$2.55M
SNDX icon
581
Syndax Pharmaceuticals
SNDX
$1.81B
$3.47M 0.01%
165,000
-85,000
-34% -$1.48M
DNMX
582
Dynamix Corp III
DNMX
$3.46M 0.01%
+350,000
New +$3.47M
MACI
583
Melar Acquisition Corp I
MACI
$236M
$3.45M 0.01%
325,000
– –
TKR icon
584
Timken Company
TKR
$8.96B
$3.42M 0.01%
40,653
+2,359
+6% +$188K
CHAR
585
Charlton Aria Acquisition Corp
CHAR
$116M
$3.41M 0.01%
325,000
– –
STUB
586
PUT
StubHub Holdings
STUB
$3.1B
$3.38M 0.01%
250,000
-75,000
-23% -$1.18M
SG icon
587
Sweetgreen
SG
$689M
$3.38M 0.01%
+500,000
New +$3.44M
LOKV
588
DELISTED
Live Oak Acquisition Corp V
LOKV
$3.35M 0.01%
325,000
– –
SMH icon
589
VanEck Semiconductor ETF
SMH
$72.4B
$3.34M 0.01%
9,280
-131,062
-93% -$46M
SOUL
590
Soulpower Acquisition Corp
SOUL
$3.32M 0.01%
+326,976
New +$3.32M
SILC icon
591
Silicom
SILC
$274M
$3.31M 0.01%
+224,905
New +$3.51M
RGEN icon
592
Repligen
RGEN
$9.38B
$3.28M 0.01%
20,000
-1,003
-5% -$157K
TERN
593
DELISTED
Terns Pharmaceuticals
TERN
$3.27M 0.01%
+81,034
New +$1.87M
ABUS icon
594
Arbutus Biopharma
ABUS
$907M
$3.25M 0.01%
675,000
-125,000
-16% -$562K
MDU icon
595
MDU Resources
MDU
$4.34B
$3.2M 0.01%
+164,190
New +$3.23M
EQX icon
596
Equinox Gold
EQX
$13.5B
$3.18M 0.01%
+226,300
New +$2.86M
LYV icon
597
Live Nation Entertainment
LYV
$43B
$3.18M 0.01%
22,287
+21,028
+1,670% +$3.02M
ACVA icon
598
ACV Auctions
ACVA
$1.38B
$3.17M 0.01%
+395,358
New +$3.2M
GRFS
599
Grifois
GRFS
$5.41B
$3.15M 0.01%
337,269
+3,579
+1% +$32.5K
EXP icon
600
Eagle Materials
EXP
$6.45B
$3.13M 0.01%
15,167
-10,474
-41% -$2.31M
22 23
24
25 26

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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.