Mariner
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Mariner’s MongoDB MDB Stock Holding History

Mariner’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 		$16.5M Buy
49,075
+10,337
+27% +$3.1M 0.02% 537
2026
Q1 		$9.48M Buy
38,738
+17,925
+86% +$6M 0.01% 768
2025
Q4 		$8.74M Buy
20,813
+7,692
+59% +$2.8M 0.01% 765
2025
Q3 		$4.07M Sell
13,121
-2,463
-16% -$633K 0.01% 1029
2025
Q2 		$3.27M Buy
15,584
+5,358
+52% +$990K ﹤0.01% 1058
2025
Q1 		$1.79M Sell
10,226
-1,420
-12% -$346K ﹤0.01% 1301
2024
Q4 		$2.71M Sell
11,646
-2,934
-20% -$829K ﹤0.01% 1057
2024
Q3 		$3.94M Buy
14,580
+701
+5% +$182K 0.01% 876
2024
Q2 		$3.47M Buy
13,879
+604
+5% +$191K 0.01% 866
2024
Q1 		$4.76M Sell
13,275
-418
-3% -$171K 0.01% 753
2023
Q4 		$5.6M Buy
13,693
+6,646
+94% +$2.52M 0.01% 646
2023
Q3 		$2.44M Buy
7,047
+653
+10% +$248K 0.01% 897
2023
Q2 		$2.63M Sell
6,394
-305
-5% -$89K 0.01% 870
2023
Q1 		$1.56M Buy
6,699
+1,646
+33% +$345K ﹤0.01% 1065
2022
Q4 		$995K Buy
5,053
+754
+18% +$134K ﹤0.01% 1243
2022
Q3 		$854K Buy
+4,299
New +$1.25M ﹤0.01% 1133

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

Mariner's MDB Position: Q2 2026 in Review

Mariner increased its MongoDB (MDB) stake by 27% in Q2 2026, buying an estimated $3.1M and bringing the position to 49,075 shares worth $16.5M. The position accounts for 0.02% of the portfolio, ranked #537.

Mariner first reported a position in MDB in Q3 2022 and has held it in 16 quarters since. 866 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

  • Mariner held 49,075 shares of MongoDB worth $16.5M as of Q2 2026.
  • Mariner bought 10,337 MongoDB shares in Q2 2026, an estimated $3.1M.
  • MongoDB made up 0.02% of Mariner's portfolio in Q2 2026, its #537 holding.
  • Mariner first reported a position in MongoDB in Q3 2022 and has held it in 16 quarters since.
  • 866 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

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