Primecap Management
MDB icon

Primecap Management’s MongoDB MDB Stock Holding History

Primecap 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
2026
Q2 		$284M Buy
846,004
+3,275
+0.4% +$982K 0.17% 100
2026
Q1 		$206M Sell
842,729
-5,550
-0.7% -$1.86M 0.16% 104
2025
Q4 		$356M Sell
848,279
-141,000
-14% -$51.3M 0.27% 78
2025
Q3 		$307M Sell
989,279
-56,440
-5% -$14.5M 0.24% 83
2025
Q2 		$220M Buy
1,045,719
+175,169
+20% +$32.4M 0.17% 104
2025
Q1 		$153M Buy
870,550
+780,200
+864% +$190M 0.13% 115
2024
Q4 		$21M Buy
90,350
+20,100
+29% +$5.68M 0.02% 234
2024
Q3 		$19M Sell
70,250
-450
-0.6% -$117K 0.01% 235
2024
Q2 		$17.7M Buy
70,700
+3,550
+5% +$1.12M 0.01% 232
2024
Q1 		$24.1M Buy
67,150
+3,450
+5% +$1.41M 0.02% 223
2023
Q4 		$26M Sell
63,700
-7,200
-10% -$2.73M 0.02% 222
2023
Q3 		$24.5M Sell
70,900
-3,800
-5% -$1.44M 0.02% 217
2023
Q2 		$30.7M Sell
74,700
-12,800
-15% -$3.73M 0.03% 208
2023
Q1 		$20.4M Buy
87,500
+725
+0.8% +$152K 0.02% 225
2022
Q4 		$17.1M Buy
86,775
+1,975
+2% +$352K 0.02% 226
2022
Q3 		$16.8M Hold
84,800
– – 0.02% 218
2022
Q2 		$22M Hold
84,800
– – 0.02% 214
2022
Q1 		$37.6M Hold
84,800
– – 0.03% 201
2021
Q4 		$44.9M Sell
84,800
-50,100
-37% -$25.7M 0.03% 199
2021
Q3 		$63.6M Sell
134,900
-8,000
-6% -$3.22M 0.04% 183
2021
Q2 		$51.7M Hold
142,900
– – 0.03% 195
2021
Q1 		$38.2M Sell
142,900
-11,100
-7% -$3.93M 0.03% 204
2020
Q4 		$55.3M Sell
154,000
-4,800
-3% -$1.34M 0.04% 180
2020
Q3 		$36.8M Buy
+158,800
New +$34.4M 0.03% 185

Other funds holding MDB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
DZ Bank
DZ Bank Frankfurt Am Main, Germany $130B AUM 46.38% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Primecap Management's MDB Position: Q2 2026 in Review

Primecap Management increased its MongoDB (MDB) stake by 0.39% in Q2 2026, buying an estimated $982K and bringing the position to 846,004 shares worth $284M. The position accounts for 0.17% of the portfolio, ranked #100.

Primecap Management first reported a position in MDB in Q3 2020 and has held it in 24 quarters since. The position peaked at $356M in Q4 2025. 869 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

  • Primecap Management held 846,004 shares of MongoDB worth $284M as of Q2 2026.
  • Primecap Management bought 3,275 MongoDB shares in Q2 2026, an estimated $982K.
  • MongoDB made up 0.17% of Primecap Management's portfolio in Q2 2026, its #100 holding.
  • Primecap Management first reported a position in MongoDB in Q3 2020 and has held it in 24 quarters since.
  • Primecap Management's MongoDB position peaked at $356M in Q4 2025.
  • 869 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.