AI Portfolio Summary
In 2025 Q4, Hudson Bay Capital Management LP maintained a portfolio of 1644 distinct positions. The most significant new addition to the portfolio was MICROSOFT CORP, which now represents 1.47% of the total fund value. They heavily accumulated shares in TESLA INC, increasing their position by 37.6%. The fund also reduced its exposure to AMAZON COM INC by 41.3%.
Total Positions
1644
Quarter
2025 Q4
Top Holding
TSLA (4.5%)
Top 10 Concentration
25.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 1644
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TSLA
PUT
TESLA INC
|
PUT Option | 4.48% | 3.24% |
#1
3
Prev: #4
|
6.3 | 825,000 | 37.6% |
P
S
|
3,020,000 | $1,358,154,400 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
PUT
NVIDIA CORPORAT...
|
PUT Option | 3.68% | 4.40% |
#2
1
Prev: #1
|
3.5 | -1,113,200 | -15.7% |
P
S
|
5,986,900 | $1,116,556,850 | 2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 3.43% | 3.69% |
#3
1
Prev: #2
|
2.9 | -370,728 | -6.2% |
P
S
|
5,587,227 | $1,042,017,836 | 2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
TESLA INC
|
Consumer Cyclical | 2.69% | 2.62% |
#4
4
Prev: #8
|
2.1 | 41,541 | 2.3% |
P
S
|
1,812,516 | $815,124,696 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
PUT
AMAZON COM INC
|
PUT Option | 2.25% | 3.19% |
#5
Prev: #5
|
1.4 | -1,418,000 | -32.4% |
P
S
|
2,952,000 | $681,380,640 | 2011 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 1.99% | 3.25% |
#6
3
Prev: #3
|
0.8 | -1,840,368 | -41.3% |
P
S
|
2,610,777 | $602,619,547 | 2011 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMD
PUT
ADVANCED MICRO ...
|
PUT Option | 1.94% | 1.04% |
#7
11
Prev: #18
|
3.3 | 825,000 | 42.9% |
P
S
|
2,750,000 | $588,940,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TSLA
CALL
TESLA INC
|
CALL Option | 1.84% | 0.67% |
#8
26
Prev: #34
|
3.7 | 789,400 | 173.6% |
P
S
|
1,244,000 | $559,451,680 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IWM
PUT
ISHARES TR
|
PUT Option | 1.82% | 2.90% |
#9
3
Prev: #6
|
0.7 | -1,351,000 | -37.5% |
P
S
|
2,249,000 | $553,613,840 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMD
ADVANCED MICRO ...
|
Technology | 1.66% | 1.04% |
#10
7
Prev: #17
|
3.2 | 423,844 | 22.0% |
P
S
|
2,350,000 | $503,276,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPY
PUT
SPDR S&P 500 ET...
|
PUT Option | 1.59% | 2.63% |
#11
4
Prev: #7
|
0.6 | -482,400 | -40.6% |
P
S
|
705,800 | $481,299,136 | 2007 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PLTR
PUT
PALANTIR TECHNO...
|
PUT Option | 1.58% | 0.30% |
#12
52
Prev: #64
|
3.6 | 2,197,500 | 439.5% |
P
S
|
2,697,500 | $479,480,625 | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PLTR
PALANTIR TECHNO...
|
Technology | 1.50% | 0.17% |
#13
83
Prev: #96
|
3.6 | 2,274,618 | 811.3% |
P
S
|
2,555,000 | $454,151,250 | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
PUT
MICROSOFT CORP
|
PUT Option | 1.47% | — |
#14
Prev: #—
|
4.1 | 924,000 | no change |
NEW
|
924,000 | $446,864,880 | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FLG
FLAGSTAR BANK N...
|
Financial Services | 1.44% | 1.33% |
#15
3
Prev: #12
|
1.6 | no change | no change |
P
S
|
34,689,439 | $436,740,037 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
MICROSOFT CORP
|
Technology | 1.33% | 0.12% |
#16
129
Prev: #145
|
3.5 | 765,630 | 1104.2% |
P
S
|
834,970 | $403,808,192 | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NFLX
PUT
NETFLIX INC
|
PUT Option | 1.19% | 1.20% |
#17
3
Prev: #14
|
3.5 | 3,550,000 | 1183.3% |
P
S
|
3,850,000 | $360,976,000 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NFLX
NETFLIX INC
|
ETF | 1.16% | 0.41% |
#18
29
Prev: #47
|
3.5 | 3,647,761 | 3539.8% |
P
S
|
3,750,810 | $351,675,946 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/B
PUT
BERKSHIRE HATHA...
|
PUT Option | 1.14% | 1.14% |
#19
4
Prev: #15
|
1.0 | 6,000 | 0.9% |
P
S
|
690,000 | $346,828,500 | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
APPLE INC
|
Technology | 1.07% | 0.86% |
#20
5
Prev: #25
|
2.4 | 180,863 | 17.9% |
P
S
|
1,191,454 | $323,908,684 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
ALIBABA GROUP H...
|
—
|
Bond/Debt | 1.04% | 0.58% |
#21
15
Prev: #36
|
3.4 | 108,500,000 | 114.2% |
P
S
|
203,500,000 | $316,465,460 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
GOOGL
ALPHABET INC
|
Communication Services | 1.03% | 0.09% |
#22
157
Prev: #179
|
3.4 | 885,845 | 756.5% |
P
S
|
1,002,946 | $313,922,098 | 2016 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
PUT
ALPHABET INC
|
PUT Option | 1.01% | 0.16% |
#23
80
Prev: #103
|
3.4 | 780,000 | 390.0% |
P
S
|
980,000 | $306,740,000 | 2016 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 1.00% | 0.97% |
#24
3
Prev: #21
|
0.9 | 21,851 | 3.7% |
P
S
|
605,266 | $304,236,955 | 2010 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
PUT
APPLE INC
|
PUT Option | 0.98% | 1.57% |
#25
14
Prev: #11
|
0.4 | -754,000 | -40.8% |
P
S
|
1,096,000 | $297,958,560 | 2011 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
ECHOSTAR CORP
|
—
|
Bond/Debt | 0.91% | 0.58% |
#26
12
Prev: #38
|
2.4 | 12,324,790 | 17.5% |
P
S
|
82,554,417 | $276,526,335 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
N/A
PG&E CORP
|
—
|
Bond/Debt | 0.89% | 0.69% |
#27
6
Prev: #33
|
2.9 | 56,621,000 | 27.6% |
P
S
|
262,066,000 | $269,927,980 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
DLTR
PUT
DOLLAR TREE INC
|
PUT Option | 0.81% | 0.78% |
#28
Prev: #28
|
0.3 | -500,000 | -20.0% |
P
S
|
2,000,000 | $246,020,000 | 2016 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CYBR
CYBERARK SOFTWA...
|
Technology | 0.76% | 0.77% |
#29
Prev: #29
|
2.3 | 43,160 | 9.1% |
P
S
|
519,790 | $231,857,527 | 2015 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IBIT
PUT
ISHARES BITCOIN...
|
PUT Option | 0.75% | 1.20% |
#30
17
Prev: #13
|
0.8 | -927,200 | -16.7% |
P
S
|
4,611,100 | $228,941,115 | 2024 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BA
PUT
BOEING CO
|
PUT Option | 0.72% | 0.35% |
#31
23
Prev: #54
|
3.3 | 515,500 | 105.7% |
P
S
|
1,003,000 | $217,771,360 | 2010 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AVGO
BROADCOM INC
|
Technology | 0.62% | 0.01% |
#32
577
Prev: #609
|
3.2 | 532,436 | 4390.9% |
P
S
|
544,562 | $188,472,908 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AVGO
PUT
BROADCOM INC
|
PUT Option | 0.57% | — |
#33
Prev: #—
|
3.7 | 500,000 | no change |
NEW
|
500,000 | $173,050,000 | 2018 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SHOP
PUT
SHOPIFY INC
|
PUT Option | 0.57% | — |
#34
Prev: #—
|
3.7 | 1,075,000 | no change |
NEW
|
1,075,000 | $173,042,750 | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COST
PUT
COSTCO WHSL COR...
|
PUT Option | 0.57% | 0.23% |
#36
38
Prev: #74
|
3.2 | 125,000 | 166.7% |
P
S
|
200,000 | $172,468,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
COST
COSTCO WHSL COR...
|
Consumer Defensive | 0.57% | 0.39% |
#35
15
Prev: #50
|
3.2 | 71,955 | 56.2% |
P
S
|
200,000 | $172,468,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HOOD
PUT
ROBINHOOD MKTS ...
|
PUT Option | 0.57% | 0.76% |
#37
7
Prev: #30
|
0.7 | -80,000 | -5.0% |
P
S
|
1,520,000 | $171,912,000 | 2021 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
TRANSOCEAN INC
|
—
|
Unknown | 0.56% | 0.47% |
#38
6
Prev: #44
|
0.7 | 5,500,000 | 4.7% |
P
S
|
123,646,000 | $170,039,010 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
ISRG
INTUITIVE SURGI...
|
Healthcare | 0.53% | 0.10% |
#39
134
Prev: #173
|
3.2 | 217,368 | 333.7% |
P
S
|
282,500 | $159,996,700 | 2016 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BP
BP PLC
|
Energy | 0.52% | 0.52% |
#40
2
Prev: #42
|
0.7 | -15,000 | -0.3% |
P
S
|
4,500,000 | $156,285,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VRT
VERTIV HOLDINGS...
|
Industrials | 0.52% | — |
#41
Prev: #—
|
3.7 | 964,604 | no change |
NEW
|
964,604 | $156,275,494 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HOOD
CALL
ROBINHOOD MKTS ...
|
CALL Option | 0.50% | 0.90% |
#42
20
Prev: #22
|
0.2 | -539,300 | -28.5% |
P
S
|
1,350,000 | $152,685,000 | 2021 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BA
BOEING CO
|
Industrials | 0.50% | 0.11% |
#43
112
Prev: #155
|
3.2 | 546,328 | 352.0% |
P
S
|
701,528 | $152,315,759 | 2010 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
META PLATFORMS ...
|
Communication Services | 0.49% | 0.17% |
#44
55
Prev: #99
|
3.2 | 158,479 | 231.2% |
P
S
|
227,028 | $149,858,912 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
VRT
PUT
VERTIV HOLDINGS...
|
PUT Option | 0.49% | 0.01% |
#45
584
Prev: #629
|
3.2 | 895,000 | 3580.0% |
P
S
|
920,000 | $149,049,200 | 2020 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SHOP
SHOPIFY INC
|
Technology | 0.49% | 0.03% |
#46
315
Prev: #361
|
3.2 | 858,862 | 1285.0% |
P
S
|
925,697 | $149,009,447 | 2020 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
PUT
META PLATFORMS ...
|
PUT Option | 0.48% | — |
#47
Prev: #—
|
3.7 | 222,400 | no change |
NEW
|
222,400 | $146,804,016 | 2014 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
N/A
UNITI GROUP LLC
|
—
|
Bond/Debt | 0.43% | 0.39% |
#48
4
Prev: #52
|
2.2 | 13,051,000 | 12.2% |
P
S
|
120,103,000 | $130,970,684 | — | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | ||
|
DIS
DISNEY WALT CO
|
Communication Services | 0.42% | — |
#49
Prev: #—
|
3.7 | 1,126,894 | no change |
NEW
|
1,126,894 | $128,206,730 | 2012 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DIS
PUT
DISNEY WALT CO
|
PUT Option | 0.41% | — |
#50
Prev: #—
|
3.7 | 1,100,000 | no change |
NEW
|
1,100,000 | $125,147,000 | 2012 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-50 of 1644 holdings