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Butterfly Network, Inc. 13F holders

248 funds reported a position in Butterfly Network, Inc. in their 13F for the quarter ended 30 June 2026, together 158.4 million shares worth $1.33 billion. Against the quarter before, 42 opened a position, 97 added, 58 trimmed and 36 sold out; together they bought a net 19.1 million shares. The largest holders: BlackRock, Inc., Glenview Capital Management, LLC and Hood River Capital Management LLC.

Funds holding248+7 on Q1 2026
Shares they held158.4Mworth $1.33 billion
Net bought on the quarter19.1M sharesabout $160.3 million at the funds' values
Funds buying to selling139 to 94opened or added, to cut or sold
Opened 42Added 97Held 49Trimmed 58Sold out 36
Opened: 42 fundsAdded: 97 fundsHeld: 49 fundsTrimmed: 58 fundsSold out: 36 funds

What each fund did in BFLY against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q3 2024: 151 funds, 60.5 million shares151Q3 2024Q4 2024: 175 funds, 72.8 million shares175Q4 2024Q1 2025: 208 funds, 102.3 million shares208Q1 2025Q2 2025: 190 funds, 117.7 million shares190Q2 2025Q3 2025: 177 funds, 98.3 million shares177Q3 2025Q4 2025: 206 funds, 119.0 million shares206Q4 2025Q1 2026: 241 funds, 139.0 million shares241Q1 2026Q2 2026: 248 funds, 158.4 million shares248Q2 2026

Funds reporting a position in BFLY in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 59 reported a position in Butterfly Network, Inc.: 16 opened one, 13 added, 13 trimmed and 9 sold out, a net 574,049 shares bought.

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 6 reported a position in Butterfly Network, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 5.3 million shares worth $45.0 million, 0.0% of its reported book. New this quarter: Renaissance Technologies. Sold out: Citadel Advisors. In the quarter, 4 funds added or opened a position and 3 trimmed or sold out; together they bought a net 4.2 million shares, about $35.3 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Geode Capital Management5,345,672$45.0 million0.0%+536,568added30 June 202613F
ARK Investment Management5,085,456$42.8 million0.3%-142,047trimmed30 June 202613F
FMR LLC4,910,388$41.3 million0.0%+4,470,379added30 June 202613F
Millennium Management2,154,551$18.1 million0.0%-1,334,254trimmed30 June 202613F
Two Sigma Investments1,373,045$11.6 million0.0%+615,839added30 June 202613F
Renaissance Technologies93,822$789,9810.0%+93,822new30 June 202613F
Citadel Advisors0$00.0%-42,308exited30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
BlackRock, Inc.18,821,46311.88%$158.5 million0.00%+2,859,98313F
Glenview Capital Management, LLC14,335,0559.05%$120.7 million2.41%no change13F
Hood River Capital Management LLC13,190,1308.33%$111.1 million0.81%+4,569,28213F
Fosun International Ltd10,234,9236.46%$86.2 million19.31%-481,70713F
Vanguard Capital Management LLC8,559,3465.40%$72.1 million0.00%+367,22713F
D. E. Shaw & Co., Inc.6,392,8274.04%$53.8 million0.04%+5,272,53613F
State Street Corp.5,762,6723.64%$48.5 million0.00%+223,01213F
Geode Capital Management, LLC5,345,6723.37%$45.0 million0.00%+536,56813F
ARK Investment Management LLC5,085,4563.21%$42.8 million0.28%-142,04713F
Nuveen, LLC5,056,3723.19%$42.6 million0.01%+1,306,43613F
FMR LLC4,910,3883.10%$41.3 million0.00%+4,470,37913F
AWM Investment Company, Inc.4,430,5932.80%$37.3 million3.24%no change13F
Sei Investments Co.2,937,8721.85%$24.7 million0.02%+638,97813F
Goldman Sachs Group Inc.2,761,8601.74%$23.3 million0.00%+1,909,69413F
First Light Asset Management, LLC2,642,4041.67%$22.2 million1.35%-17,76313F
Deutsche Bank AG2,580,4351.63%$21.7 million0.01%+316,92613F
Vanguard Portfolio Management LLC2,382,2391.50%$20.1 million0.00%+545,35813F
Millennium Management LLC2,154,5511.36%$18.1 million0.01%-1,334,25413F
Bank of America Corp.2,138,2681.35%$18.0 million0.00%-2,026,95413F
Dimensional Fund Advisors LP1,946,4351.23%$16.4 million0.00%-411,74613F
Algert Global LLC1,814,4471.15%$15.3 million0.18%-847,60013F
Charles Schwab Investment Management Inc.1,777,6141.12%$15.0 million0.00%+101,02213F
Northern Trust Corp.1,765,2351.11%$14.9 million0.00%+210,00113F
Kingdon Capital Management, L.l.c.1,700,0001.07%$14.3 million1.93%new13F
Vanguard Fiduciary Trust Co.1,503,6210.95%$12.7 million0.00%+94,48513F
UBS Group AG1,405,8930.89%$11.8 million0.00%-63,88113F
Two Sigma Investments, LP1,373,0450.87%$11.6 million0.01%+615,83913F
Morgan Stanley1,128,7020.71%$9.5 million0.00%-592,33713F
Voloridge Investment Management, LLC1,077,2270.68%$9.1 million0.04%new13F
Perkins Capital Management Inc.867,5800.55%$7.3 million5.49%-63,35013F
Raymond James Financial Inc.864,8340.55%$7.3 million0.00%-31,89813F
Gilder Gagnon Howe & Co. LLC803,7920.51%$6.8 million0.07%+710,89013F
ExodusPoint Capital Management, LP761,8610.48%$6.4 million0.06%new13F
JPMorgan Chase & Co.689,6720.44%$6.1 million0.00%-29,34813F
Invesco Ltd.676,8850.43%$5.7 million0.00%+270,68913F
Tudor Investment Corp. Et Al630,9540.40%$5.3 million0.02%+199,42713F
Calamos Advisors LLC584,0900.37%$4.9 million0.02%new13F
Bank of New York Mellon Corp579,3690.37%$4.9 million0.00%+131,77113F
Isthmus Partners, LLC564,2220.36%$4.8 million0.46%-125,00013F
DNB Asset Management AS557,4180.35%$4.7 million0.01%-222,91713F
Palumbo Wealth Management LLC536,4720.34%$4.5 million0.95%+176,14413F
Russell Investments Group, Ltd.523,5180.33%$4.4 million0.00%+419,09813F
Polen Capital Management LLC480,5020.30%$4.0 million0.04%+74,24213F
Marshall Wace, LLP463,0580.29%$3.9 million0.00%-1,820,59113F
Gotham Asset Management, LLC462,1550.29%$3.9 million0.01%no change13F
Squarepoint Ops LLC450,4010.28%$3.8 million0.01%+95,85013F
Stoic Point Capital Management LLC374,2370.24%$3.2 million2.65%-208,61313F
Swiss National Bank354,9000.22%$3.0 million0.00%-46,30013F
Oppenheimer & Co. Inc.328,3100.21%$2.8 million0.03%no change13F
Captrust Financial Advisors300,5110.19%$2.5 million0.00%+18,40813F
The 50 largest of the 248 funds that reported a position in BFLY in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on BFLY

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsCalls434,700$3.7 million30 June 202613F
Citadel AdvisorsPuts234,200$2.0 million30 June 202613F
Millennium ManagementCalls16,000$134,72030 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
17 August 202613D/ARothberg Jonathan M. and 6 others21.4 million100.0%14 August 2026Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following: In connection with estate planning, Dr. Rothberg, acting on his own and on behalf of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C HoEDGAR
17 August 202613D/AGlenview Capital Management, LLC and 1 other15.1 million6.2%13 August 2026Item 4 of the Schedule 13D is hereby amended and supplemented as follows: On June 22, 2026, Mr. Robbins was granted 25,447 shares of unvested restricted stock units, each representing the right to receive one share of Common Stock upon vestEDGAR
14 August 202613GHood River Capital Management LLC and 1 other13.2 million5.6%30 June 2026passive, institutional (13d-1(b))EDGAR
7 August 202613GFMR LLC and 3 others29.0 million11.8%31 July 2026passive, institutional (13d-1(b))EDGAR
27 July 202613G/ABlackRock, Inc. and 1 other18.3 million7.8%30 June 2026passive, institutional (13d-1(b))EDGAR
21 July 202613D/ARothberg Jonathan M. and 6 others22.1 million100.0%21 July 2026EDGAR
17 July 202613D/ARothberg Jonathan M. and 6 others25.2 million100.0%15 July 2026Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following:EDGAR
26 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
17 March 202613D/ARothberg Jonathan M. and 6 others26.4 million100.0%13 March 2026Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following: In connection with estate planning, Dr. Rothberg and entities owned by trusts created for the benefit of Dr. Rothberg's children have entered into a tradEDGAR
17 February 202613D/AGlenview Capital Management, LLC and 1 other19.3 million8.5%12 February 2026Item 4 of the Schedule 13D is hereby amended and supplemented as follows: On February 12, 2026, the Private Placement Warrants that were held by the Glenview Funds and Longview expired, unexercised and for no value.EDGAR
5 February 202613G/AFosun Industrial Co., Limited and 3 others10.7 million4.7%31 December 2025passive, under 20% (13d-1(c))EDGAR
30 January 202613GThe Vanguard Group and 1 other11.3 million5.0%31 December 2025passive, institutional (13d-1(b))EDGAR
17 December 202513D/ARothberg Jonathan M. and 6 others26.4 million100.0%16 December 2025EDGAR
1 December 202513D/ARothberg Jonathan M. and 6 others26.4 million100.0%26 November 2025EDGAR
24 November 202513D/AGlenview Capital Management, LLC and 1 other22.4 million9.7%21 November 2025EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
28 August 202667,895$8.72SEC
26 August 202630$9.04SEC
24 August 2026405,928$9.55SEC
21 August 2026408,004$9.17SEC
20 August 2026406,000$9.17SEC
19 August 20261,500,772$9.00SEC
18 August 20261,559,238$9.02SEC
17 August 20261,018,363$8.84SEC
14 August 2026672,169$8.86SEC
12 August 202630$9.37SEC
10 August 20262,410$8.83SEC
7 August 2026230,195$8.30SEC
4 August 20261,395,935$8.22SEC
3 August 20261,182,600$7.11SEC
29 July 2026496,496$7.17SEC
28 July 2026523,633$7.07SEC
27 July 20262,473,687$6.58SEC
24 July 20262,482,960$6.62SEC
23 July 20264,914,298$6.61SEC
22 July 20264,269,476$6.82SEC
21 July 20263,537,146$6.69SEC
20 July 20262,732,627$6.62SEC
17 July 20262,501,922$7.01SEC
16 July 20261,745,295$7.30SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 4,914,298 on 23 July 2026. A fail is an operational fact about settlement, not a position.