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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 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

235% more call options, than puts

Call options by funds: $15.3M | Put options by funds: $4.57M

216% more first-time investments, than exits

New positions opened: 60 | Existing positions closed: 19

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%)

Holders
239
Holders Change
+36
Holders Change %
+17.73%
% of All Funds
2.94%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
60
Increased
74
Reduced
55
Closed
19
Calls
$15.3M
Puts
$4.57M
Net Calls
+$10.7M
Net Calls Change
-$5.71M

Top Buyers

1
N
Nuveen
North Carolina
+$12.3M
2
AG
Algert Global
California
+$8.8M
3
Marshall Wace
Marshall Wace
United Kingdom
+$7.2M
4
Bank of America
Bank of America
North Carolina
+$6.68M
5
HRCM
Hood River Capital Management
Florida
+$6.43M

Top Sellers

1
AIM
ARK Investment Management
Florida
-$3.93M
2
UBS Group
UBS Group
Switzerland
-$2.71M
3
Morgan Stanley
Morgan Stanley
New York
-$2.34M
4
HF
HRT Financial
New York
-$1.78M
5
Citadel Advisors
Citadel Advisors
Florida
-$1.73M
Name Holding Trade Value Shares
Change 		Change in
Stake
YP
226
YANKCOM Partnership
South Dakota
$606 – – –
VCM
227
Versant Capital Management
Arizona
$558 +$533 +138 New
FFO
228
Fortitude Family Office
Arizona
$533 +$510 +132 New
SC
229
Swan Capital
Florida
$404 – – –
MCM
230
MAI Capital Management
Ohio
$396 +$185 +48 +96%
RIAS
231
Rachor Investment Advisory Services
Michigan
$396 +$378 +98 New
US Bancorp
232
US Bancorp
Minnesota
$319 -$456 -118 -60%
TPWA
233
Twin Peaks Wealth Advisors
California
$315 +$301 +78 New
PWA
234
Portus Wealth Advisors
North Carolina
$303 +$290 +75 New
SAM
235
Smartleaf Asset Management
Massachusetts
$134 – – –
AF
236
Advisornet Financial
Minnesota
$24 – – –
CCA
237
Cygnus Capital Advisors
Georgia
$15 +$3.33K +861 +31%
KG
238
Kilter Group
New York
$5 +$4 +1 New
HNB
239
Huntington National Bank
Ohio
$4 – – –
HF
240
HRT Financial
New York
– -$1.78M -469,270 Closed
CCP
241
Clough Capital Partners
Massachusetts
– -$845K -222,490 Closed
Verition Fund Management
242
Verition Fund Management
Connecticut
– -$655K -172,391 Closed
DC
243
Diametric Capital
Massachusetts
– -$526K -138,341 Closed
PCM
244
Prelude Capital Management
New York
– -$94.7K -24,922 Closed
FIA
245
FNY Investment Advisers
New York
– -$81K -21,500 Closed
Hudson Bay Capital Management
246
Hudson Bay Capital Management
Connecticut
– -$59.4K -15,620 Closed
YIH
247
Y-Intercept (HK)
Hong Kong
– -$49.4K -13,010 Closed
Mackenzie Financial
248
Mackenzie Financial
Ontario, Canada
– -$46.2K -12,130 Closed
FA
249
Fedenia Advisers
Wisconsin
– -$42.1K -11,082 Closed
Two Sigma Advisers
250
Two Sigma Advisers
New York
– -$41.8K -11,000 Closed
7 8 9
10
11

BFLY Hedge Fund Activity: Q1 2026 in Review

239 of the 8,126 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 19 closed out — a net gain of 41 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 19 closed out, a net change of +41 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.