Hudson Bay Capital Management
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Hudson Bay Capital Management’s MongoDB MDB Stock Holding History

Hudson Bay Capital Management’s Portfolio MDB Stock Details MDB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-40,203
Closed -$12.5M – 1401
2025
Q3 		$12.5M Sell
40,203
-60,686
-60% -$15.6M 0.04% 311
2025
Q2 		$21.2M Buy
+100,889
New +$18.7M 0.07% 206
2025
Q1 		– Sell
-468,693
Closed -$109M – 1412
2024
Q4 		$109M Buy
+468,693
New +$132M 0.38% 55
2024
Q3 		– Sell
-32,313
Closed -$8.08M – 973
2024
Q2 		$8.08M Buy
32,313
+16,665
+106% +$5.26M 0.04% 271
2024
Q1 		$5.61M Buy
+15,648
New +$6.39M 0.03% 279
2018
Q1 		– Sell
-77,454
Closed -$2.3M – 814
2017
Q4 		$2.3M Buy
+77,454
New +$2.27M 0.05% 293

Other funds holding MDB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
VH
ValueAct Holdings San Francisco, California $5.63B AUM 5.11% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Hudson Bay Capital Management's MDB Position: Q4 2025 in Review

Hudson Bay Capital Management sold out of MongoDB (MDB) in Q4 2025, closing a stake of 40,203 shares — an estimated $12.5M sold.

Hudson Bay Capital Management first reported a position in MDB in Q4 2017 and held it in 6 quarters. The position peaked at $109M in Q4 2024. 915 funds tracked by Wall St. Rank hold MDB as of Q4 2025.

  • Hudson Bay Capital Management reported no remaining MongoDB position as of Q4 2025 after selling out during the quarter.
  • Hudson Bay Capital Management sold 40,203 MongoDB shares in Q4 2025, an estimated $12.5M.
  • Hudson Bay Capital Management first reported a position in MongoDB in Q4 2017 and held it in 6 quarters.
  • Hudson Bay Capital Management's MongoDB position peaked at $109M in Q4 2024.
  • 915 funds tracked by Wall St. Rank held MongoDB as of Q4 2025.

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