BFLY
BUTTERFLY NETW-A (BFLY)
NYSE
$9.60+$0.05 (+0.51%)
Price as of Aug 21, 2026 7:45 PM EDT
  • $2.3B
    Market Cap
  • 528.29%
    1-Year Change
  • Medical Devices
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
7.07%
18.8M
+2.9M (+15.20%)
Jun 30, 2026
GLENVIEW CAPITAL MANAGEMENT, LLC
5.38%
14.3M
0 (0.00%)
Jun 30, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
4.95%
13.2M
+4.6M (+34.64%)
Jun 30, 2026
VANGUARD GROUP INC
4.25%
11.3M
+275,889 (+2.44%)
Dec 31, 2025
FOSUN INTERNATIONAL LTD
3.84%
10.2M
-481,707 (-4.71%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
3.21%
8.6M
+367,227 (+4.29%)
Jun 30, 2026
CAPITAL WORLD INVESTORS
3.19%
8.5M
0 (0.00%)
Jun 30, 2025

Current Ownership Distribution

  • Institutions1.8B (76.51%)
  • Mutual Funds504.7M (21.52%)
  • Insiders46.1M (1.96%)
  • Other0 (0.00%)

Insider Transactions

  • 1.96% (46.1M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $81.8M
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $267.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Phanstiel S. Louise
Buy
Aug 14, 2026
$999,509.76
115,200
$8.68
300,461
Caezza Nicholas
Deputy General Counsel
Sell
Aug 11, 2026
$97,500.00
10,000
$9.75
300,307
DEVIVO JOSEPH
President & CEO
Sell
Aug 10, 2026
$684,075.11
68,346
$10.01
7.6M
Carlson Megan
CAO and SVP, Finance
Sell
Jul 31, 2026
$541,383.28
68,852
$7.86
425,889
ROTHBERG JONATHAN M
Sell
Jul 21, 2026
$5.1M
753,320
$6.74
496,680
Doherty John N.
EVP, CFO
Sell
Jul 20, 2026
$374,812.16
57,136
$6.56
1.4M
ROTHBERG JONATHAN M
Sell
Jul 20, 2026
$7.8M
1.2M
$6.61
72,724
Ku Victor
Chief Technology Officer
Sell
Jul 20, 2026
$318,422.40
48,540
$6.56
1.0M
ROTHBERG JONATHAN M
Sell
Jul 17, 2026
$7.9M
1.2M
$6.60
54,143
ROTHBERG JONATHAN M
Sell
Jul 16, 2026
$1.8M
253,867
$7.09
105,881
ROTHBERG JONATHAN M
Sell
Jul 16, 2026
$8.6M
1.2M
$7.09
36,366
ROTHBERG JONATHAN M
Sell
Jul 15, 2026
$12.7M
1.7M
$7.32
359,748
ROTHBERG JONATHAN M
Sell
Jul 14, 2026
$6.3M
815,632
$7.72
2.1M
Ku Victor
Chief Technology Officer
Sell
Jul 07, 2026
$280,664.58
35,649
$7.87
1.1M
Carlson Megan
CAO and SVP, Finance
Sell
Jul 02, 2026
$328,937.09
41,303
$7.96
465,906
ROBBINS LARRY
Award
Jun 22, 2026
$0.00
25,447
$0.00
390,952
DEVIVO JOSEPH
President & CEO
Sell
Mar 05, 2026
$1.8M
482,149
$3.71
8.0M
Carlson Megan
CAO and SVP, Finance
Sell
Mar 03, 2026
$155,822.34
41,978
$3.71
617,631
Caezza Nicholas
Deputy General Counsel
Sell
Mar 03, 2026
$52,743.81
14,209
$3.71
312,040
Cashman Steve
Chief Business Officer
Sell
Mar 03, 2026
$157,908.48
42,540
$3.71
2.4M
DEVIVO JOSEPH
President & CEO
Sell
Mar 03, 2026
$598,652.80
161,275
$3.71
8.5M
Carlson Megan
CAO and SVP, Finance
Award
Mar 02, 2026
$0.00
97,883
$0.00
659,609
Caezza Nicholas
Deputy General Counsel
Award
Mar 02, 2026
$0.00
89,359
$0.00
326,249
Cashman Steve
Chief Business Officer
Award
Mar 02, 2026
$0.00
488,042
$0.00
2.4M
Doherty John N.
EVP, CFO
Award
Mar 02, 2026
$0.00
274,953
$0.00
1.5M
Ku Victor
Chief Technology Officer
Award
Mar 02, 2026
$0.00
287,326
$0.00
1.1M
DEVIVO JOSEPH
President & CEO
Award
Mar 02, 2026
$0.00
1.4M
$0.00
8.7M
Cashman Steve
Chief Business Officer
Sell
Feb 26, 2026
$1.1M
250,000
$4.35
1.9M
ROTHBERG JONATHAN M
Sell
Jan 08, 2026
$1.4M
335,834
$4.18
0
Doherty John N.
EVP, CFO
Sell
Jan 07, 2026
$239,524.36
60,182
$3.98
1.2M