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666 hedge funds and large institutions have $12.2B invested in MongoDB in 2025 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 278 increasing their positions, 205 reducing their positions, and 143 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 8 → 12 (+4)

36% more repeat investments, than reductions

Existing positions increased: 278 | Existing positions reduced: 205

33% more capital inflows, than outflows

Capital inflows: $4.02B | Capital outflows: $3.03B

2.47% less ownership

Funds ownership: 88.22% → 85.75% (-2.5%)

7% less funds holding

Funds holding: 716 → 666 (-50)

29% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 143

30% less call options, than puts

Call options by funds: $1.21B | Put options by funds: $1.73B

Holders
666
Holders Change
-50
Holders Change %
-6.98%
% of All Funds
8.9%
Holding in Top 10
12
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+50%
% of All Funds
0.16%
New
102
Increased
278
Reduced
205
Closed
143
Calls
$1.21B
Puts
$1.73B
Net Calls
-$528M
Net Calls Change
+$507M

MDB Hedge Fund Activity: Q1 2025 in Review

666 of the 7,484 institutional investors tracked by Wall St. Rank reported a position in MongoDB (MDB) for Q1 2025, worth a combined $12.2B — down 20% from $15.3B a quarter earlier.

Sellers outnumbered buyers: 143 funds closed out of MDB and 102 opened new positions — a net loss of 41 holders — while 205 trimmed existing stakes and 278 added.

The largest buyer was Fidelity International, opening a new position worth an estimated $397M. The largest seller was Fidelity Investments, cutting an estimated $582M.

  • 666 institutional investors held MongoDB (MDB) as of Q1 2025, down from 716 in Q4 2024.
  • Funds reported $12.2B of MongoDB stock for Q1 2025, down 20% quarter-over-quarter.
  • 102 funds opened new MongoDB positions in Q1 2025 and 143 closed out, a net change of -41 holders.
  • The largest MongoDB buyer in Q1 2025 was Fidelity International, an estimated $397M added.
  • The largest MongoDB seller in Q1 2025 was Fidelity Investments, an estimated $582M sold.

Based on aggregated 13F filings for Q1 2025.