Butterfly Network
BFLY
239 hedge funds and large institutions have $562M invested in Butterfly Network in 2026 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 74 increasing their positions, 55 reducing their positions, and 20 closing their positions.
235% more call options, than puts
Call options by funds: $15.3M | Put options by funds: $4.57M
200% more first-time investments, than exits
New positions opened: 60 | Existing positions closed: 20
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
35% more repeat investments, than reductions
Existing positions increased: 74 | Existing positions reduced: 55
24% more capital invested
Capital invested by funds: $452M → $562M (+$110M)
18% more funds holding
Funds holding: 203 → 239 (+36)
8.35% more ownership
Funds ownership: 52.58% → 60.93% (+8.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Nuveen
Charlotte,
North Carolina
|
+$12.3M |
| 2 |
AG
Algert Global
San Francisco,
California
|
+$8.8M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$7.2M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$6.68M |
| 5 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
+$6.43M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$3.93M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$2.71M |
| 3 |
Morgan Stanley
New York
|
-$2.34M |
| 4 |
HF
HRT Financial
New York
|
-$1.78M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$1.73M |
BFLY Hedge Fund Activity: Q1 2026 in Review
239 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Butterfly Network (BFLY) for Q1 2026, worth a combined $562M — up 24% from $452M a quarter earlier.
Buyers outnumbered sellers: 60 funds opened new BFLY positions and 20 closed out — a net gain of 40 holders — while 74 added to existing stakes and 55 trimmed.
The largest buyer was Nuveen, adding an estimated $12.3M. The largest seller was ARK Investment Management, cutting an estimated $3.93M.
- 239 institutional investors held Butterfly Network (BFLY) as of Q1 2026, up from 203 in Q4 2025.
- Funds reported $562M of Butterfly Network stock for Q1 2026, up 24% quarter-over-quarter.
- 60 funds opened new Butterfly Network positions in Q1 2026 and 20 closed out, a net change of +40 holders.
- The largest Butterfly Network buyer in Q1 2026 was Nuveen, an estimated $12.3M added.
- The largest Butterfly Network seller in Q1 2026 was ARK Investment Management, an estimated $3.93M sold.
Based on aggregated 13F filings for Q1 2026.