William Blair Investment Management
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William Blair Investment Management’s MongoDB MDB Stock Holding History

William Blair Investment 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
Q2 		– Sell
-18,292
Closed -$3.21M – 447
2025
Q1 		$3.21M Sell
18,292
-7,548
-29% -$1.84M 0.01% 346
2024
Q4 		$6.02M Sell
25,840
-1,807
-7% -$510K 0.01% 345
2024
Q3 		$7.47M Sell
27,647
-6,738
-20% -$1.75M 0.02% 331
2024
Q2 		$8.59M Buy
34,385
+25,053
+268% +$7.91M 0.02% 333
2024
Q1 		$3.35M Buy
9,332
+2,021
+28% +$826K 0.01% 338
2023
Q4 		$2.99M Sell
7,311
-2,136
-23% -$810K 0.01% 338
2023
Q3 		$3.27M Sell
9,447
-193,207
-95% -$73.3M 0.01% 337
2023
Q2 		$83.3M Sell
202,654
-183,289
-47% -$53.5M 0.27% 109
2023
Q1 		$90M Sell
385,943
-1,423
-0.4% -$299K 0.31% 104
2022
Q4 		$76.2M Buy
387,366
+371,582
+2,354% +$66.1M 0.29% 105
2022
Q3 		$3.13M Sell
15,784
-2,908
-16% -$849K 0.01% 339
2022
Q2 		$4.85M Sell
18,692
-624
-3% -$195K 0.02% 332
2022
Q1 		$8.57M Sell
19,316
-18,703
-49% -$7.31M 0.03% 329
2021
Q4 		$20.1M Sell
38,019
-36,728
-49% -$18.8M 0.05% 296
2021
Q3 		$35.2M Sell
74,747
-6,345
-8% -$2.56M 0.1% 238
2021
Q2 		$29.3M Sell
81,092
-2,422
-3% -$749K 0.09% 182
2021
Q1 		$22.3M Sell
83,514
-488,652
-85% -$173M 0.07% 205
2020
Q4 		$205M Sell
572,166
-24,894
-4% -$6.95M 0.68% 51
2020
Q3 		$138M Sell
597,060
-9,751
-2% -$2.11M 0.54% 73
2020
Q2 		$137M Buy
606,811
+35,514
+6% +$6.58M 0.56% 71
2020
Q1 		$78M Buy
+571,297
New +$84.4M 0.38% 88

Other funds holding MDB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
SIM
SRS Investment Management New York $9.47B AUM 60.12% 1-Year Est. Return

William Blair Investment Management's MDB Position: Q2 2025 in Review

William Blair Investment Management sold out of MongoDB (MDB) in Q2 2025, closing a stake of 18,292 shares — an estimated $3.21M sold.

William Blair Investment Management first reported a position in MDB in Q1 2020 and held it in 21 quarters. The position peaked at $205M in Q4 2020. 693 funds tracked by Wall St. Rank hold MDB as of Q2 2025.

  • William Blair Investment Management reported no remaining MongoDB position as of Q2 2025 after selling out during the quarter.
  • William Blair Investment Management sold 18,292 MongoDB shares in Q2 2025, an estimated $3.21M.
  • William Blair Investment Management first reported a position in MongoDB in Q1 2020 and held it in 21 quarters.
  • William Blair Investment Management's MongoDB position peaked at $205M in Q4 2020.
  • 693 funds tracked by Wall St. Rank held MongoDB as of Q2 2025.

Based on William Blair Investment Management's 13F filing for Q2 2025, filed 29 Jul 2025.