193 institutional investment managers reported HTFL positions in their Form 13F filings for Q2 2026, holding 74,779,688 shares worth $2.2B in total. Bain Capital Life Sciences Investors, LLC reported the largest position.

Are funds buying or selling HTFL?

In Q2 2026, 49 managers opened new HTFL positions, 91 added, 37 trimmed and 24 sold out. Managers that filed in both quarters added a net 9,558,822 shares.

How current is this HTFL institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · HTFL

Who owns HTFL?

Institutional ownership of Heartflow Inc. from Form 13F, Q2 2026

193 institutional managers reported holding Heartflow Inc. (HTFL) in Form 13F filings for Q2 2026, with 74,779,688 shares worth $2.2B. The largest reported holder was Bain Capital Life Sciences Investors, LLC. Managers that filed both quarters added a net 9,558,822 shares (+15.2%). 49 opened new positions and 24 sold out.

Funds holding: 193
Value held: $2.2B
New / sold out: 49 / 24
Net shares, same filers: +15.2%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of HTFL

Fund	Value	Share of 13F holdings	Shares	Move
Bain Capital Life Sciences Investors, LLC	$248M	11.3%	8,448,158	Trimmed
Wellington Management Group LLP	$231M	10.5%	7,864,226	Trimmed
BlackRock, Inc.	$153M	7.0%	5,197,747	Added
FMR LLC	$141M	6.4%	4,820,944	Trimmed
Vanguard Portfolio Management LLC	$105M	4.8%	3,584,428	Added
Bamco Inc	$94.6M	4.3%	3,225,133	Trimmed
Vanguard Capital Management LLC	$80.8M	3.7%	2,753,206	Added
Jupiter Topco LLC	$71.0M	3.2%	2,419,336	First report
Invesco Ltd.	$67.4M	3.1%	2,298,718	Added
Point72 Asset Management, L.P.	$50.5M	2.3%	1,721,279	Added
Summit Partners Public Asset Management, LLC	$49.7M	2.3%	1,694,651	Added
Alliancebernstein L.p.	$46.8M	2.6%	1,924,268	Added
State Street Corp	$43.3M	2.0%	1,465,895	Added
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	$43.0M	2.0%	1,465,650	Added
Geode Capital Management, LLC	$39.9M	1.8%	1,360,391	Added
Nuveen, LLC	$39.7M	1.8%	1,353,168	Added
Morgan Stanley	$31.0M	1.4%	1,054,889	Added
UBS Group AG	$28.6M	1.3%	975,510	Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	$27.3M	1.2%	931,160	New
Millennium Management LLC	$27.1M	1.2%	922,893	Trimmed
12 West Capital Management LP	$26.5M	1.2%	902,500	Added
Franklin Resources Inc	$24.0M	1.1%	817,701	Added
Citadel Advisors LLC	$23.5M	1.1%	799,883	Added
Champlain Investment Partners, LLC	$21.5M	1.0%	733,607	Added
Voya Investment Management LLC	$21.5M	1.0%	733,183	Added

Share of 13F holdings is each fund's shares as a share of the 74,779,688 HTFL shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

BlackRock, Inc. Added+$110M
Vanguard Portfolio Management LLC Added+$45.1M
Nuveen, LLC Added+$39.0M
Point72 Asset Management, L.P. Added+$34.7M
State Street Corp Added+$30.0M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. New+$27.3M
Vanguard Capital Management LLC Added+$25.2M
Geode Capital Management, LLC Added+$24.0M
Summit Partners Public Asset Management, LLC Added+$23.5M
Bank of New York Mellon Corp Added+$17.3M

Biggest sellers in Q2 2026

Wellington Management Group LLP Trimmed-$121M
Bain Capital Life Sciences Investors, LLC Trimmed-$58.7M
Baillie Gifford & Co Sold out-$26.4M
Ensign Peak Advisors, Inc Trimmed-$18.4M
Bamco Inc Trimmed-$17.7M
FMR LLC Trimmed-$16.9M
Freestone Grove Partners LP Sold out-$8.8M
Lord, Abbett & Co. LLC Trimmed-$7.3M
Capricorn Investment Group LLC Sold out-$6.5M
Schusterman Interests, LLC Sold out-$6.3M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $623M and sold $335M; 91 added and 37 trimmed.

Schedule 13D and 13G filings on HTFL

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2026-07-28BlackRock, Inc. SCHEDULE 13G filed by BlackRock Inc.Schedule 13G
2026-03-31HealthCor Partners Management LP SCHEDULE 13G filed by Heartflow Inc.Schedule 13G
2025-11-12WELLINGTON MANAGEMENT GROUP LLP SCHEDULE 13G filed by Heartflow Inc.Schedule 13G
2025-11-05FMR LLC SCHEDULE 13G filed by Heartflow Inc.Schedule 13G

Questions about HTFL ownership

Who owns HTFL stock?: 193 institutional investment managers reported HTFL positions in their Form 13F filings for Q2 2026, holding 74,779,688 shares worth $2.2B in total. Bain Capital Life Sciences Investors, LLC reported the largest position.
Are funds buying or selling HTFL?: In Q2 2026, 49 managers opened new HTFL positions, 91 added, 37 trimmed and 24 sold out. Managers that filed in both quarters added a net 9,558,822 shares.
How current is this HTFL institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to HTFL by CUSIP. Options are left out. HTFL news and filings · HTFL insider trades · Top funds