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Butterfly Network
BFLY

Overview Fund Activity

205 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, 37 reducing their positions, and 24 closing their positions.

Holders
205
Holders Change
+33
Holders Change %
+19.19%
% of All Funds
2.79%
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
37
Closed
24
Calls
$2.05M
Puts
$1.45M
Net Calls
+$595K
Net Calls Change
-$3.14M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$19.3M
2
HRCM
2
Hood River Capital Management
Florida
$11.3M
3
OAM
3
Ophir Asset Management
Australia
$4.58M
4
Millennium Management
4
Millennium Management
New York
$8.63M
5
FLAM
5
First Light Asset Management
Minnesota
$12.6M

Top Sellers

1
D.E. Shaw & Co
1
D.E. Shaw & Co
New York
$1.44M
2
PHP
2
Parkman Healthcare Partners
Connecticut
$0
3
SSA
3
Schonfeld Strategic Advisors
New York
$1.02M
4
Renaissance Technologies
4
Renaissance Technologies
New York
$949K
5
FAM
5
Fred Alger Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Russell Investments Group
26
Russell Investments Group
United Kingdom
$1.58M 695,008 +345,672 +99%
IP
27
Isthmus Partners
Wisconsin
$1.57M 689,222 – –
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$1.44M 630,485 -1,070,625 -63%
Two Sigma Advisers
29
Two Sigma Advisers
New York
$1.15M 505,200 +430,500 +576%
MS
30
Maven Securities
Jersey
$1.14M 500,000 +500,000 New
Squarepoint
31
Squarepoint
New York
$1.13M 494,680 +232,767 +89%
Bank of America
32
Bank of America
North Carolina
$1.1M 480,583 +180,364 +60%
SSA
33
Schonfeld Strategic Advisors
New York
$1.02M 447,108 -833,524 -65%
GCP
34
GSA Capital Partners
United Kingdom
$1.01M 444,634 -180,451 -29%
Renaissance Technologies
35
Renaissance Technologies
New York
$949K 416,200 -584,900 -58%
Northern Trust
36
Northern Trust
Illinois
$898K 394,053 +69,206 +21%
HA
37
Huntleigh Advisors
Missouri
$868K 380,741 +35,053 +10%
EGM
38
Engineers Gate Manager
New York
$833K 365,226 -74,876 -17%
Calamos Advisors
39
Calamos Advisors
Illinois
$827K 362,571 +194,174 +115%
Principal Financial Group
40
Principal Financial Group
Iowa
$708K 310,427 +310,427 New
Jane Street
41
Jane Street
New York
$707K 309,907 -181,429 -37%
OC
42
Oppenheimer & Co
New York
$706K 309,591 +14,465 +5%
PCM
43
Perkins Capital Management
Minnesota
$627K 275,000 +275,000 New
UBS Group
44
UBS Group
Switzerland
$626K 274,628 +169,295 +161%
Swiss National Bank
45
Swiss National Bank
Switzerland
$618K 271,200 +271,200 New
EI
46
EAM Investors
California
$557K 244,476 -94,110 -28%
HF
47
HRT Financial
New York
$521K 228,632 +228,632 New
Verition Fund Management
48
Verition Fund Management
Connecticut
$465K 203,777 -52,479 -20%
GAA
49
Green Alpha Advisors
Colorado
$425K 186,308 +312 +0.2%
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$422K 184,950 +161,876 +702%
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