Security key
124155102
Butterfly Network, Inc. - Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share (BFLY)
CUSIP: 124155102
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share
- Total 13F shares
- 139,044,314
- Total 13F value
- $561,619,511
- Share change
- +19,936,016
- Put/Call ratio
- 28%
- SEC-reported price per share
- $4.04
- Number of holders
- 238
- Value change
- +$80,884,147
- Number of buys
- 123
- Number of sells
- 75
- Shares outstanding
- 26,426,937
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
238
Top holders
10
BFLY full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Butterfly Network, Inc. SEC filings
Butterfly Network, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 124155102
Recent filing periods:
Ownership snapshot
Top reported holders of BFLY - Butterfly Network, Inc. - Class A common stock, par value $0.0001 per share, Class B common stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ph.D. Jonathan M. Rothberg
Disclosed value leader
Ph.D. Jonathan M. Rothberg
Comparable rows
15/15
Latest evidence
13 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 100%
13D/G row: Ph.D. Jonathan M. Rothberg
Showing 1-6 of 15 holder rows.
Quick read
Ph.D. Jonathan M. Rothberg leads the comparable SEC ownership view at 100%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ph.D. Jonathan M. Rothberg's linked filing trail.
Comparable ownership
Top 5
Ph.D. Jonathan M. Rothberg
100%
GLENVIEW CAPITAL MANAGEMENT, LLC
8.5%
BlackRock, Inc.
6.3%
VANGUARD GROUP INC
5%
Fosun Industrial Co., Ltd
4.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ph.D. Jonathan M. Rothberg |
13D/G
Rothberg Jonathan M.
|
100%
|
$123,413,796
26,426,937 shares
|
$0 | 13 Mar 2026 |
| GLENVIEW CAPITAL MANAGEMENT, LLC |
13D/G
13F
ROBBINS LARRY · Company
|
8.5%
|
$84,783,125
19,268,892 shares
|
-$13,930,497 | 12 Feb 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.3%
from 13D/G
|
$56,738,099
14,931,079 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
13D/G
Company · The Vanguard Group
|
5%
from 13D/G
|
$43,000,683
11,315,969 shares
|
— | 31 Dec 2025 |
| Fosun Industrial Co., Ltd |
13D/G
Fosun Industrial Co., Limited
|
4.7%
|
$40,723,194
10,716,630 shares
|
$0 | 31 Dec 2025 |
| ARK Investment Management LLC |
13F
13D/G
Company
|
4.7%
from 13D/G
|
$23,728,823
6,244,427 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
238
Shares
139,044,314
Rows available
238
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
204
Q1 2026 holders
238
Holder diff
34
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend