Butterfly Network: Glenview, Robbins disclose 9.71% BFLY stake

Butterfly Network, Inc. (BFLY) received an updated Schedule 13D/A (Amendment No. 6) from Glenview Capital and its founder Larry Robbins reporting their current ownership in the company’s Class A common stock.

Rhea-AI Filing Summary

Butterfly Network, Inc. (BFLY) received an updated Schedule 13D/A (Amendment No. 6) from Glenview Capital and its founder Larry Robbins reporting their current ownership in the company’s Class A common stock.

Glenview Capital Management, LLC reports beneficial ownership of 14,468,477 shares, representing 6.35% of the class, with all voting and dispositive power shared. This includes 12,755,144 shares held by Glenview funds and 1,713,333 shares issuable upon exercise of private placement warrants. Larry Robbins reports beneficial ownership of 22,434,914 shares, or 9.71% of the class, consisting of shared holdings through Glenview and Longview entities plus options and restricted stock units granted in his role on the board. The Glenview funds used approximately $6,793,859.99 of working capital, including commissions, to acquire the shares described in this amendment.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much of Butterfly Network (BFLY) does Glenview Capital Management LLC currently report owning?

Glenview Capital Management, LLC reports beneficial ownership of 14,468,477 shares of Butterfly Network Class A common stock, representing 6.35% of the outstanding class, with all voting and dispositive power shared among its funds and related entities.

What is Larry Robbins reported stake in Butterfly Network (BFLY) in this Schedule 13D/A?

Larry Robbins reports beneficial ownership of 22,434,914 shares of Butterfly Network Class A common stock, representing 9.71% of the class. This total includes shared holdings through Glenview funds and Longview Investors LLC, as well as stock options and restricted stock units granted to him.

How are Larry Robbins individual equity awards in Butterfly Network structured?

Larry Robbins sole voting and dispositive power covers 387,150 shares, including 21,645 shares he may acquire upon exercise of stock options and 80,434 shares underlying unvested restricted stock units that vest in full on the date of Butterfly Networks 2026 Annual Stockholders Meeting, subject to his continued board service.

What portion of the Butterfly Network stake is tied to private placement warrants in this filing?

The filing notes that Glenview-related entities hold shares issuable upon exercise of private placement warrants, including 1,713,333 shares for the Glenview funds and 3,032,600 shares for Longview Investors LLC, which are included in the beneficial ownership calculations under Rule 13d-3(d)(1)(i).

How much capital did the Glenview funds use to purchase Butterfly Network shares disclosed in this amendment?

The Glenview funds used approximately $6,793,859.99, including commissions, from their general working capital to acquire the shares of Butterfly Network common stock reported in Item 5(c) of this Amendment No. 6.

What is the share count base used to calculate the reported ownership percentages in this Butterfly Network Schedule 13D/A?

The ownership percentages are based on 226,175,175 shares of Butterfly Network common stock outstanding as of October 21, 2025, as reported in the companys Form 10-Q filed on October 31, 2025, plus the shares each reporting person has the right to acquire under Rule 13d-3(d)(1)(i).

Did Glenview and Larry Robbins report any recent transactions in Butterfly Network stock?

The filing states that, except for the transactions listed in Exhibit F of Amendment No. 6, the reporting persons have not effected any transactions in Butterfly Network common stock during the past 60 days referenced in Item 5(c).

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/24/2025 - 06:11 PM EST Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 6)

Butterfly Network, Inc.

(Name of Issuer)

Class A common stock, par value $0.0001 per share

(Title of Class of Securities)

124155102

(CUSIP Number)

Mark Horowitz
Glenview Capital Management, LLC, 767 Fifth Avenue, 44th Floor
New York, NY, 10153
(212) 812-4700

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

11/21/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 124155102

1

Name of reporting person

GLENVIEW CAPITAL MANAGEMENT, LLC

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

AF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 14,468,477.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 14,468,477.00

11

Aggregate amount beneficially owned by each reporting person

14,468,477.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

6.35 %

14

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person:

(1) Shared voting power and shared dispositive power includes (i) 12,755,144 shares of Common Stock held directly by the Glenview Funds and (ii) 1,713,333 shares of Common Stock issuable to the Glenview Funds upon exercise of the Private Placement Warrants. (2) Percent of class is calculated based on 226,175,175 shares of Common Stock outstanding as of October 21, 2025, as reported in the Issuer's Form 10-Q filed on October 31, 2025, plus the shares of Common Stock the Reporting Person has the right to acquire, which shares have been added to the total shares outstanding in accordance with Rule 13d-3(d)(1)(i) under the Act.

SCHEDULE 13D

CUSIP No. 124155102

1

Name of reporting person

ROBBINS LARRY

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

AF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 387,150.00
8	Shared Voting Power 22,047,764.00
9	Sole Dispositive Power 387,150.00
10	Shared Dispositive Power 22,047,764.00

11

Aggregate amount beneficially owned by each reporting person

22,434,914.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.71 %

14

Type of Reporting Person (See Instructions)

IN, HC

Comment for Type of Reporting Person:

(3) Sole voting power and sole dispositive power includes (i) 21,645 shares of Common Stock that Mr. Robbins has the right to acquire upon exercise of stock options and (ii) 80,434 shares of Common Stock underlying unvested restricted stock units that were granted to Mr. Robbins, which vest in full on the date of the Issuer's 2026 Annual Stockholders Meeting, subject to Mr. Robbins' continued service on the Issuer's board of directors on such date. (4) Shared voting power and shared dispositive power includes (i) 12,755,144 shares of Common Stock held directly by the Glenview Funds, (ii) 4,546,687 shares of Common Stock held directly by Longview Investors LLC, (iii) 3,032,600 shares of Common Stock issuable to Longview Investors LLC upon exercise of the Private Placement Warrants, and (iv) 1,713,333 shares of Common Stock issuable to the Glenview Funds upon exercise of the Private Placement Warrants. (5) Percent of class is calculated based on 226,175,175 shares of Common Stock outstanding as of October 21, 2025, as reported in the Issuer's Form 10-Q filed on October 31, 2025, plus the shares of Common Stock the Reporting Person has the right to acquire, which shares have been added to the total shares outstanding in accordance with Rule 13d-3(d)(1)(i) under the Act.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Class A common stock, par value $0.0001 per share
(b)	Name of Issuer: Butterfly Network, Inc.
(c)	Address of Issuer's Principal Executive Offices: 1600 District Avenue, Burlington, MASSACHUSETTS , 01803.
Item 1 Comment: Explanatory Note: This Amendment No. 6 ("Amendment No. 6") amends and supplements the information set forth in the Schedule 13D filed by the Reporting Persons and Longview Investors LLC ("Longview") with the U.S. Securities and Exchange Commission (the "SEC") on February 17, 2021, as amended by Amendment No. 1, filed with the SEC on March 30, 2021, Amendment No. 2, filed with the SEC on March 11, 2022, Amendment No. 3, filed with the SEC on February 14, 2023, Amendment No. 4, filed with the SEC on September 3, 2024, and Amendment No. 5, filed with the SEC on June 17, 2025 (collectively, the "Schedule 13D"), relating to the Class A common stock, par value $0.0001 per share (the "Common Stock"), of Butterfly Network, Inc. (the "Issuer"). The Issuer's principal executive offices are located at 1600 District Avenue, Burlington, MA 01803. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D. Except as specifically provided herein, this Amendment No. 6 does not modify any of the information previously reported in the Schedule 13D.
Item 3.	Source and Amount of Funds or Other Consideration
	Item 3 of the Schedule 13D is hereby amended and supplemented as follows: Item 5(c) of this Amendment No. 6 is incorporated by reference herein. The funds used for the purchase of the shares of Common Stock reported in Item 5(c) of this Amendment No. 6 was derived from the general working capital of the Glenview Funds. A total of approximately $6,793,859.99, including commissions, was paid to acquire the shares of Common Stock purchased and reported in Item 5(c) of this Amendment No. 6.
Item 5.	Interest in Securities of the Issuer
(a)	Item 5(a) of the Schedule 13D is hereby amended and supplemented as follows: Items 7-11 of the cover pages of the Schedule 13D are incorporated herein by reference.
(b)	Item 5(b) of the Schedule 13D is hereby amended and supplemented as follows: Items 7-11 of the cover pages of the Schedule 13D are incorporated herein by reference.
(c)	Item 5(c) of the Schedule 13D is hereby amended and supplemented as follows: Except for the transactions listed in Exhibit F of this Amendment No. 6, the Reporting Persons have not effected any transactions with respect to the Common Stock during the past 60 days.
Item 7.	Material to be Filed as Exhibits.
	Item 7 of the Schedule 13D is hereby amended and supplemented as follows: Exhibit F: Schedule of Transactions for Item 5(c) of Amendment No. 6

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

GLENVIEW CAPITAL MANAGEMENT, LLC

Signature:	/s/ Mark J. Horowitz
Name/Title:	Mark J. Horowitz, Co-President
Date:	11/24/2025

ROBBINS LARRY

Signature:	/s/ Mark J. Horowitz
Name/Title:	Mark J. Horowitz, attorney-in-fact for Larry Robbins
Date:	11/24/2025