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MongoDB
MDB

663 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, 276 increasing their positions, 205 reducing their positions, and 142 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 8 → 12 (+4)

35% more repeat investments, than reductions

Existing positions increased: 276 | Existing positions reduced: 205

2.47% less ownership

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

7% less funds holding

Funds holding: 712 → 663 (-49)

20% less capital invested

Capital invested by funds: $15.3B → $12.2B (-$3.11B)

28% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 142

30% less call options, than puts

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

Holders
663
Holders Change
-49
Holders Change %
-6.88%
% of All Funds
8.89%
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
276
Reduced
205
Closed
142
Calls
$1.21B
Puts
$1.73B
Net Calls
-$528M
Net Calls Change
+$507M

Top Buyers

1
Fidelity International
Fidelity International
Bermuda
+$397M
2
SIM
SRS Investment Management
New York
+$340M
3
Point72 Asset Management
Point72 Asset Management
Connecticut
+$282M
4
JCAM
Jericho Capital Asset Management
New York
+$224M
5
Primecap Management
Primecap Management
California
+$190M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$582M
2
Franklin Resources
Franklin Resources
California
-$204M
3
BlackRock
BlackRock
New York
-$198M
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$191M
5
Macquarie Group
Macquarie Group
Australia
-$119M
Name Holding Trade Value Shares
Change 		Change in
Stake
RhumbLine Advisers
101
RhumbLine Advisers
Massachusetts
$17.1M +$83.6K +343 +0.4%
Canada Life
102
Canada Life
Manitoba, Canada
$17.1M -$1.64M -6,748 -6%
GCM
103
Glynn Capital Management
California
$17M +$2.88M +11,839 +14%
SEI Investments
104
SEI Investments
Pennsylvania
$16.9M -$2.84M -11,660 -11%
LECM
105
Lead Edge Capital Management
New York
$15.9M +$22M +90,460 New
KPM
106
Kinetic Partners Management
Florida
$15.8M +$21.9M +90,000 New
MIFH
107
Migdal Insurance & Financial Holdings
Israel
$15.3M +$10.7M +44,000 +101%
TC
108
Tairen Capital
Hong Kong
$15M +$8.75M +35,900 +72%
Twin Tree Management
109
Twin Tree Management
Texas
$14.6M -$3.48M -14,286 -15%
BCM
110
Bienville Capital Management
New York
$14.4M +$20.1M +82,300 New
Massachusetts Financial Services
111
Massachusetts Financial Services
Massachusetts
$14.4M +$20M +81,961 New
HCM
112
HMI Capital Management
California
$13.9M +$19.3M +79,300 New
Balyasny Asset Management
113
Balyasny Asset Management
Illinois
$13.9M -$90.6M -371,674 -82%
T. Rowe Price Associates
114
T. Rowe Price Associates
Maryland
$13.6M -$191M -785,697 -91%
Capital Fund Management (CFM)
115
Capital Fund Management (CFM)
France
$13.3M -$20.4M -83,730 -52%
Walleye Capital
116
Walleye Capital
New York
$13.2M -$8.57M -35,155 -32%
Allianz Asset Management
117
Allianz Asset Management
Germany
$13.2M +$12M +49,229 +189%
Walleye Trading
118
Walleye Trading
New York
$12.7M +$3.81M +15,639 +28%
CI Investments Inc
119
CI Investments Inc
Ontario, Canada
$12.6M +$2.39M +9,816 +16%
Parallax Volatility Advisers
120
Parallax Volatility Advisers
California
$12.4M +$6.92M +28,404 +67%
Susquehanna International Group
121
Susquehanna International Group
Pennsylvania
$12.4M -$41.3M -169,548 -71%
PCM
122
Penserra Capital Management
California
$12.3M +$5.48M +22,496 +47%
Comerica Bank
123
Comerica Bank
Texas
$12.1M +$12.9M +52,996 +326%
State Board of Administration of Florida Retirement System
124
State Board of Administration of Florida Retirement System
Florida
$12.1M – – –
Rafferty Asset Management
125
Rafferty Asset Management
New York
$11.6M +$3.32M +13,632 +26%
3 4
5
6 7

MDB Hedge Fund Activity: Q1 2025 in Review

663 of the 7,457 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: 142 funds closed out of MDB and 102 opened new positions — a net loss of 40 holders — while 205 trimmed existing stakes and 276 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.

  • 663 institutional investors held MongoDB (MDB) as of Q1 2025, down from 712 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 142 closed out, a net change of -40 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.