Massachusetts Financial Services
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Massachusetts Financial Services’s MongoDB MDB Stock Holding History

Massachusetts Financial Services’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 		$427M Buy
1,263,690
+371,946
+42% +$112M 0.14% 162
2026
Q1 		$220M Buy
891,744
+176,644
+25% +$59.1M 0.07% 232
2025
Q4 		$300M Buy
715,100
+614,559
+611% +$224M 0.1% 203
2025
Q3 		$31.2M Buy
100,541
+21,089
+27% +$5.42M 0.01% 560
2025
Q2 		$16.7M Sell
79,452
-2,509
-3% -$464K 0.01% 639
2025
Q1 		$14.4M Buy
+81,961
New +$20M ﹤0.01% 630
2021
Q4 		– Sell
-6,657
Closed -$3.14M – 920
2021
Q3 		$3.14M Buy
6,657
+31
+0.5% +$12.5K ﹤0.01% 737
2021
Q2 		$2.4M Buy
6,626
+5,057
+322% +$1.56M ﹤0.01% 760
2021
Q1 		$420K Buy
1,569
+300
+24% +$106K ﹤0.01% 892
2020
Q4 		$456K Buy
+1,269
New +$354K ﹤0.01% 842

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

Massachusetts Financial Services's MDB Position: Q2 2026 in Review

Massachusetts Financial Services increased its MongoDB (MDB) stake by 42% in Q2 2026, buying an estimated $112M and bringing the position to 1,263,690 shares worth $427M. The position accounts for 0.14% of the portfolio, ranked #162.

Massachusetts Financial Services first reported a position in MDB in Q4 2020 and has held it in 10 quarters since. 867 funds tracked by Wall St. Rank hold MDB as of Q2 2026.

  • Massachusetts Financial Services held 1,263,690 shares of MongoDB worth $427M as of Q2 2026.
  • Massachusetts Financial Services bought 371,946 MongoDB shares in Q2 2026, an estimated $112M.
  • MongoDB made up 0.14% of Massachusetts Financial Services's portfolio in Q2 2026, its #162 holding.
  • Massachusetts Financial Services first reported a position in MongoDB in Q4 2020 and has held it in 10 quarters since.
  • 867 funds tracked by Wall St. Rank held MongoDB as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.