Jim Simons
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Jim Simons’s MongoDB MDB Stock Holding History

Jim Simons’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 		– Sell
-140,780
Closed -$34.5M – 3463
2026
Q1 		$34.5M Buy
+140,780
New +$47.1M 0.05% 442
2025
Q4 		– Sell
-92,900
Closed -$28.8M – 3547
2025
Q3 		$28.8M Sell
92,900
-32,700
-26% -$8.41M 0.04% 567
2025
Q2 		$26.4M Buy
+125,600
New +$23.2M 0.04% 600
2024
Q4 		– Sell
-68,300
Closed -$18.5M – 3767
2024
Q3 		$18.5M Sell
68,300
-114,700
-63% -$29.8M 0.03% 710
2024
Q2 		$45.7M Buy
183,000
+163,300
+829% +$51.6M 0.08% 316
2024
Q1 		$7.06M Buy
+19,700
New +$8.05M 0.01% 1193
2023
Q4 		– Sell
-380,391
Closed -$132M – 3968
2023
Q3 		$132M Buy
380,391
+237,791
+167% +$90.3M 0.22% 89
2023
Q2 		$58.6M Sell
142,600
-233,600
-62% -$68.1M 0.08% 267
2023
Q1 		$87.7M Sell
376,200
-542,000
-59% -$114M 0.12% 210
2022
Q4 		$181M Buy
918,200
+763,400
+493% +$136M 0.25% 77
2022
Q3 		$30.7M Sell
154,800
-365,200
-70% -$107M 0.04% 478
2022
Q2 		$135M Buy
520,000
+464,300
+834% +$145M 0.16% 133
2022
Q1 		$24.7M Buy
+55,700
New +$21.8M 0.03% 654
2021
Q2 		– Sell
-234,900
Closed -$62.8M – 3662
2021
Q1 		$62.8M Buy
+234,900
New +$83.2M 0.08% 276
2020
Q2 		– Sell
-97,300
Closed -$13.3M – 3639
2020
Q1 		$13.3M Buy
+97,300
New +$14.4M 0.01% 989
2019
Q3 		– Sell
-153,400
Closed -$23.3M – 3593
2019
Q2 		$23.3M Sell
153,400
-491,700
-76% -$71.4M 0.02% 881
2019
Q1 		$94.8M Buy
645,100
+324,500
+101% +$33.3M 0.09% 269
2018
Q4 		$26.8M Sell
320,600
-103,500
-24% -$7.96M 0.03% 717
2018
Q3 		$34.6M Buy
+424,100
New +$28.3M 0.04% 618

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 $3.38T AUM 44.17% 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

Jim Simons's MDB Position: Q2 2026 in Review

Jim Simons sold out of MongoDB (MDB) in Q2 2026, closing a stake of 140,780 shares — an estimated $34.5M sold.

Jim Simons first reported a position in MDB in Q3 2018 and held it in 19 quarters. The position peaked at $181M in Q4 2022. 875 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

  • Jim Simons reported no remaining MongoDB position as of Q2 2026 after selling out during the quarter.
  • Jim Simons sold 140,780 MongoDB shares in Q2 2026, an estimated $34.5M.
  • Jim Simons first reported a position in MongoDB in Q3 2018 and held it in 19 quarters.
  • Jim Simons's MongoDB position peaked at $181M in Q4 2022.
  • 875 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.