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Butterfly Network
BFLY

206 hedge funds and large institutions have $233M invested in Butterfly Network in 2025 Q1 according to their latest regulatory filings, with 59 funds opening new positions, 68 increasing their positions, 38 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

136% more first-time investments, than exits

New positions opened: 59 | Existing positions closed: 25

79% more repeat investments, than reductions

Existing positions increased: 68 | Existing positions reduced: 38

41% more call options, than puts

Call options by funds: $2.05M | Put options by funds: $1.45M

18% more funds holding

Funds holding: 174 → 206 (+32)

8.24% more ownership

Funds ownership: 39.03% → 47.26% (+8.2%)

3% more capital invested

Capital invested by funds: $227M → $233M (+$6.04M)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
206
Holders Change
+32
Holders Change %
+18.39%
% of All Funds
2.76%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
59
Increased
68
Reduced
38
Closed
25
Calls
$2.05M
Puts
$1.45M
Net Calls
+$595K
Net Calls Change
-$3.14M

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$25.5M
2
HRCM
Hood River Capital Management
Florida
+$17.7M
3
OAM
Ophir Asset Management
Australia
+$7.19M
4
Millennium Management
Millennium Management
New York
+$5.8M
5
FLAM
First Light Asset Management
Minnesota
+$5.4M

Top Sellers

1
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$3.83M
2
SSA
Schonfeld Strategic Advisors
New York
-$2.98M
3
PHP
Parkman Healthcare Partners
Connecticut
-$2.34M
4
Renaissance Technologies
Renaissance Technologies
New York
-$2.09M
5
FAM
Fred Alger Management
New York
-$769K
Name Holding Trade Value Shares
Change 		Change in
Stake
Kovitz Investment Group Partners
101
Kovitz Investment Group Partners
Illinois
$82.7K +$1.07K +300 +0.8%
Zurich Cantonal Bank
102
Zurich Cantonal Bank
Switzerland
$82.3K +$129K +36,075 New
Simplex Trading
103
Simplex Trading
Illinois
$79K -$223K -62,389 -64%
NRD
104
Nebula Research & Development
New York
$75.8K +$119K +33,241 New
Wealth Enhancement Advisory Services
105
Wealth Enhancement Advisory Services
Minnesota
$71.9K +$1.89K +528 +2%
Capstone Investment Advisors
106
Capstone Investment Advisors
New York
$69.9K +$110K +30,666 New
Stifel Financial
107
Stifel Financial
Missouri
$66.7K +$11.6K +3,249 +12%
Hudson Bay Capital Management
108
Hudson Bay Capital Management
Connecticut
$64.5K +$101K +28,310 New
Royal Bank of Canada
109
Royal Bank of Canada
Ontario, Canada
$63K +$34.9K +9,764 +56%
KK
110
KLP Kapitalforvaltning
Norway
$61.8K +$96.9K +27,100 New
TC
111
TwinBeech Capital
New York
$61.4K +$96.4K +26,949 New
Creative Planning
112
Creative Planning
Kansas
$58.3K +$7.73K +2,163 +9%
KPWS
113
Kestra Private Wealth Services
Texas
$57.7K +$5.36K +1,500 +6%
Mariner
114
Mariner
Kansas
$54.1K +$41.9K +11,732 +98%
SPAS
115
Spectrum Planning & Advisory Services
California
$54K – – –
PCM
116
Prelude Capital Management
New York
$53K +$83.1K +23,251 New
VNA
117
Valley National Advisers
Pennsylvania
$50K +$3.93K +1,100 +5%
KI
118
Kapitalo Investimentos
Brazil
$49.9K +$78.3K +21,902 New
Cetera Investment Advisers
119
Cetera Investment Advisers
Illinois
$49.9K -$63.8K -17,830 -45%
Victory Capital Management
120
Victory Capital Management
Texas
$49.7K +$11.5K +3,224 +17%
Lazard Asset Management
121
Lazard Asset Management
New York
$49K +$78K +21,814 New
Bank of New York Mellon
122
Bank of New York Mellon
New York
$46K +$17.9K +5,010 +33%
SAM
123
Storebrand Asset Management
Norway
$45.5K -$13.2K -3,690 -16%
VPIM
124
Vanguard Personalized Indexing Management
California
$44.9K -$1.62K -454 -2%
TSS
125
Two Sigma Securities
New York
$44.1K +$69.2K +19,355 New
3 4
5
6 7

BFLY Hedge Fund Activity: Q1 2025 in Review

206 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Butterfly Network (BFLY) for Q1 2025, worth a combined $233M — up 2.7% from $227M a quarter earlier.

Buyers outnumbered sellers: 59 funds opened new BFLY positions and 25 closed out — a net gain of 34 holders — while 68 added to existing stakes and 38 trimmed.

The largest buyer was Capital World Investors, adding an estimated $25.5M. The largest seller was D.E. Shaw & Co, cutting an estimated $3.83M.

  • 206 institutional investors held Butterfly Network (BFLY) as of Q1 2025, up from 174 in Q4 2024.
  • Funds reported $233M of Butterfly Network stock for Q1 2025, up 2.7% quarter-over-quarter.
  • 59 funds opened new Butterfly Network positions in Q1 2025 and 25 closed out, a net change of +34 holders.
  • The largest Butterfly Network buyer in Q1 2025 was Capital World Investors, an estimated $25.5M added.
  • The largest Butterfly Network seller in Q1 2025 was D.E. Shaw & Co, an estimated $3.83M sold.

Based on aggregated 13F filings for Q1 2025.