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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
Russell Investments Group
26
Russell Investments Group
United Kingdom
$1.58M +$1.24M +345,672 +99%
IP
27
Isthmus Partners
Wisconsin
$1.57M – – –
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$1.44M -$3.83M -1,070,625 -63%
Two Sigma Advisers
29
Two Sigma Advisers
New York
$1.15M +$1.54M +430,500 +576%
MS
30
Maven Securities
Jersey
$1.14M +$1.79M +500,000 New
Squarepoint
31
Squarepoint
New York
$1.13M +$832K +232,767 +89%
Bank of America
32
Bank of America
North Carolina
$1.1M +$645K +180,364 +60%
SSA
33
Schonfeld Strategic Advisors
New York
$1.02M -$2.98M -833,524 -65%
GCP
34
GSA Capital Partners
United Kingdom
$1.01M -$645K -180,451 -29%
Renaissance Technologies
35
Renaissance Technologies
New York
$949K -$2.09M -584,900 -58%
Northern Trust
36
Northern Trust
Illinois
$898K +$247K +69,206 +21%
HA
37
Huntleigh Advisors
Missouri
$868K +$125K +35,053 +10%
EGM
38
Engineers Gate Manager
New York
$833K -$268K -74,876 -17%
Calamos Advisors
39
Calamos Advisors
Illinois
$827K +$694K +194,174 +115%
Principal Financial Group
40
Principal Financial Group
Iowa
$708K +$1.11M +310,427 New
Jane Street
41
Jane Street
New York
$707K -$649K -181,429 -37%
OC
42
Oppenheimer & Co
New York
$706K +$51.7K +14,465 +5%
PCM
43
Perkins Capital Management
Minnesota
$627K +$983K +275,000 New
UBS Group
44
UBS Group
Switzerland
$626K +$605K +169,295 +161%
Swiss National Bank
45
Swiss National Bank
Switzerland
$618K +$970K +271,200 New
EI
46
EAM Investors
California
$557K -$336K -94,110 -28%
HF
47
HRT Financial
New York
$521K +$817K +228,632 New
Verition Fund Management
48
Verition Fund Management
Connecticut
$465K -$188K -52,479 -20%
GAA
49
Green Alpha Advisors
Colorado
$425K +$1.12K +312 +0.2%
Susquehanna International Group
50
Susquehanna International Group
Pennsylvania
$422K +$579K +161,876 +702%
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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.