How many institutional investors hold BFLY?

4 tracked institutional investors disclosed a position in BFLY (BUTTERFLY NETWORK INC) in their most recent 13F filing.

Who is the largest institutional holder of BFLY?

Cathie Wood, ARK Investment Management, holds the largest disclosed position in BFLY, valued at $43M.

Where does this BFLY ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

BFLY — BUTTERFLY NETWORK INC

Name: BUTTERFLY NETWORK INC (BFLY) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying BFLY?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Net distribution · 2 buying vs 2 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Why? — Evidence & Confidence ▾

Of 4 tracked investors who changed their BFLY position last quarter, 2 bought and 2 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence

+2 tracked investors added or increased positions last quarter (Ken Griffin, Paul Tudor Jones)
+4 tracked investors reported holding BFLY at their latest filing
+Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource

Contradicting evidence — always shown

−2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About BUTTERFLY NETWORK INC (BFLY)

BUTTERFLY NETWORK INC (BFLY) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Cathie Wood (ARK Investment Management), valued at $43M. Across recent filings, tracked investors recorded 5 new positions, 8 increased, 11 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in BFLY

/100

Mixed Activity

Added / Increased13

Reduced11

Exited2

BearishBullish

Crowded Trade Score™

How many top investors track BFLY

/100

Emerging Interest

4investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

BFLY Ownership Composition

How BUTTERFLY NETWORK INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Growth & Innovation

59% of tracked value

Institutions

tracked investors

Total Reported

$72M

combined 13F value

Growth & Innovation59.4%
Multi-Strategy / Quant33.2%
Macro7.4%

Growth & Innovation(1)

59.4%

Multi-Strategy / Quant(2)

33.2%

Macro(1)

7.4%

Tracked investors currently reporting BFLY

Investor	Firm	Shares	Market value	% of portfolio	As of
Cathie Wood	ARK Investment Management	5.1M	$42.8M	0.28%	Jun 30, 2026
Izzy Englander	Millennium Management	2.2M	$18.3M	0.01%	Jun 30, 2026
Ken Griffin	Citadel Advisors	668.9K	$5.6M	0.00%	Jun 30, 2026
Paul Tudor Jones	Tudor Investment Corp	631K	$5.3M	0.01%	Jun 30, 2026

Cathie WoodJun 30, 2026
ARK Investment Management
Shares
5.1M
Value
$42.8M
% Portfolio
0.28%
Izzy EnglanderJun 30, 2026
Millennium Management
Shares
2.2M
Value
$18.3M
% Portfolio
0.01%
Ken GriffinJun 30, 2026
Citadel Advisors
Shares
668.9K
Value
$5.6M
% Portfolio
0.00%
Paul Tudor JonesJun 30, 2026
Tudor Investment Corp
Shares
631K
Value
$5.3M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	Reduced	-83.10%	$27.3K	Nov 14, 2024
Izzy Englander	Unchanged	0.00%	$42.3K	Feb 14, 2025
Izzy Englander	Unchanged	0.00%	$29.9K	May 15, 2025
Izzy Englander	Unchanged	0.00%	$20.1K	Aug 14, 2025
Izzy Englander	Increased	853.87%	$12.1M	Feb 17, 2026
Izzy Englander	Increased	9.92%	$14.1M	May 15, 2026
Izzy Englander	Reduced	-37.79%	$18.3M	Aug 14, 2026
Cathie Wood	Increased	7.65%	$14.8M	Jan 17, 2024
Cathie Wood	Reduced	-17.49%	$12.2M	Apr 18, 2024
Cathie Wood	Reduced	-2.74%	$9.2M	Jul 26, 2024
Cathie Wood	Reduced	-21.02%	$15.4M	Oct 31, 2024
Cathie Wood	Reduced	-30.71%	$18.8M	Feb 4, 2025
Cathie Wood	Increased	16.84%	$16M	May 7, 2025
Cathie Wood	Reduced	-8.65%	$12.8M	Jul 30, 2025
Cathie Wood	Increased	1.61%	$23.7M	Feb 11, 2026
Cathie Wood	Reduced	-16.29%	$21.1M	May 12, 2026
Cathie Wood	Reduced	-2.72%	$42.8M	Aug 14, 2026
Ken Griffin	New	—	$1.8M	Nov 14, 2024
Ken Griffin	Reduced	-2.15%	$5.4M	May 15, 2025
Ken Griffin	Sold	-100.00%	$0	Aug 14, 2025
Ken Griffin	Increased	35.73%	$5.6M	Aug 14, 2026
Paul Tudor Jones	New	—	$2.8M	Feb 14, 2025
Paul Tudor Jones	Increased	64.67%	$3.3M	May 15, 2025
Paul Tudor Jones	Reduced	-21.87%	$2.3M	Aug 14, 2025
Paul Tudor Jones	Sold	-100.00%	$0	Dec 9, 2025
Paul Tudor Jones	New	—	$1.7M	May 15, 2026
Paul Tudor Jones	Increased	46.21%	$5.3M	Aug 14, 2026
Cathie Wood	New	—	$15M	Oct 18, 2023
Izzy Englander	New	—	$15K	May 15, 2024

Izzy Englander
Reduced
$27.3K(-83.10%)Nov 14, 2024
Izzy Englander
Unchanged
$42.3K(0.00%)Feb 14, 2025
Izzy Englander
Unchanged
$29.9K(0.00%)May 15, 2025
Izzy Englander
Unchanged
$20.1K(0.00%)Aug 14, 2025
Izzy Englander
Increased
$12.1M(853.87%)Feb 17, 2026
Izzy Englander
Increased
$14.1M(9.92%)May 15, 2026
Izzy Englander
Reduced
$18.3M(-37.79%)Aug 14, 2026
Cathie Wood
Increased
$14.8M(7.65%)Jan 17, 2024
Cathie Wood
Reduced
$12.2M(-17.49%)Apr 18, 2024
Cathie Wood
Reduced
$9.2M(-2.74%)Jul 26, 2024
Cathie Wood
Reduced
$15.4M(-21.02%)Oct 31, 2024
Cathie Wood
Reduced
$18.8M(-30.71%)Feb 4, 2025
Cathie Wood
Increased
$16M(16.84%)May 7, 2025
Cathie Wood
Reduced
$12.8M(-8.65%)Jul 30, 2025
Cathie Wood
Increased
$23.7M(1.61%)Feb 11, 2026
Cathie Wood
Reduced
$21.1M(-16.29%)May 12, 2026
Cathie Wood
Reduced
$42.8M(-2.72%)Aug 14, 2026
Ken Griffin
New
$1.8MNov 14, 2024
Ken Griffin
Reduced
$5.4M(-2.15%)May 15, 2025
Ken Griffin
Sold
$0(-100.00%)Aug 14, 2025
Ken Griffin
Increased
$5.6M(35.73%)Aug 14, 2026
Paul Tudor Jones
New
$2.8MFeb 14, 2025
Paul Tudor Jones
Increased
$3.3M(64.67%)May 15, 2025
Paul Tudor Jones
Reduced
$2.3M(-21.87%)Aug 14, 2025
Paul Tudor Jones
Sold
$0(-100.00%)Dec 9, 2025
Paul Tudor Jones
New
$1.7MMay 15, 2026
Paul Tudor Jones
Increased
$5.3M(46.21%)Aug 14, 2026
Cathie Wood
New
$15MOct 18, 2023
Izzy Englander
New
$15KMay 15, 2024

Frequently asked questions

How many institutional investors hold BFLY?: 4 tracked institutional investors disclosed a position in BFLY (BUTTERFLY NETWORK INC) in their most recent 13F filing.
Who is the largest institutional holder of BFLY?: Cathie Wood, ARK Investment Management, holds the largest disclosed position in BFLY, valued at $43M.
Did institutional ownership of BFLY increase or decrease?: Across recent 13F filings, tracked investors recorded 5 new positions, 8 increased, 11 reduced, and 2 fully exited BFLY.
Where does this BFLY ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.