Butterfly Network
BFLY
190 hedge funds and large institutions have $234M invested in Butterfly Network in 2025 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 76 increasing their positions, 38 reducing their positions, and 51 closing their positions.
112% more capital inflows, than outflows
Capital inflows: $65.4M | Capital outflows: $30.8M
100% more repeat investments, than reductions
Existing positions increased: 76 | Existing positions reduced: 38
25% more call options, than puts
Call options by funds: $1.23M | Put options by funds: $986K
5.86% more ownership
Funds ownership: 47.25% → 53.1% (+5.9%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
9% less funds holding
Funds holding: 208 → 190 (-18)
35% less first-time investments, than exits
New positions opened: 33 | Existing positions closed: 51
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$23.2M |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$5.32M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$4.57M |
| 4 |
State Street
Boston,
Massachusetts
|
+$3.62M |
| 5 |
Morgan Stanley
New York
|
+$3.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$3.68M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$3.22M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$2.79M |
| 4 |
AIC
AWM Investment Company
New York
|
-$2.28M |
| 5 |
D.E. Shaw & Co
New York
|
-$1.44M |
BFLY Hedge Fund Activity: Q2 2025 in Review
190 of the 7,627 institutional investors tracked by Wall St. Rank reported a position in Butterfly Network (BFLY) for Q2 2025, worth a combined $234M — up 0.43% from $233M a quarter earlier.
Sellers outnumbered buyers: 51 funds closed out of BFLY and 33 opened new positions — a net loss of 18 holders — while 38 trimmed existing stakes and 76 added.
The largest buyer was BlackRock, adding an estimated $23.2M. The largest seller was Millennium Management, cutting an estimated $3.68M.
- 190 institutional investors held Butterfly Network (BFLY) as of Q2 2025, down from 208 in Q1 2025.
- Funds reported $234M of Butterfly Network stock for Q2 2025, up 0.43% quarter-over-quarter.
- 33 funds opened new Butterfly Network positions in Q2 2025 and 51 closed out, a net change of -18 holders.
- The largest Butterfly Network buyer in Q2 2025 was BlackRock, an estimated $23.2M added.
- The largest Butterfly Network seller in Q2 2025 was Millennium Management, an estimated $3.68M sold.
Based on aggregated 13F filings for Q2 2025.