Heartflow HTFL Institutional Ownership

NASDAQ HTFL

$51.02 +2.73 (+5.65%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

192 Institutions

Increased 140 72.9%

Unchanged 14 7.3%

Reduced 38 19.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

151.38Mn

of 86.72Mn outstanding

▲+133.02% QoQ

Shares Outstanding

86.72Mn

Institutional Investors

192

filed 13F for Jun 2026

▲+24 vs prior quarter

Net Shares Added (QoQ)

+86.42Mn

accumulated since last quarter

Value of Holdings

$7.71Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

Heartflow, Inc. (NASDAQ:HTFL) had 192 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Total shares held in Heartflow rose 133.02% versus Q1 2026.
Among the 192 holders of Heartflow, 140 added to their positions, 38 reduced their stakes and 14 left their positions unchanged.
Combined, institutional investors held 151.38Mn shares of HTFL as of Q2 2026, up 86.42Mn from the prior quarter.
XXEC, Inc. held the largest position in HTFL at 77.27Mn shares as of June 30, 2026.
Among existing holders, the largest additions to Heartflow in Q2 2026 came from XXEC, Inc. (+76.99Mn shares), BlackRock, Inc. (+3.74Mn shares), Vanguard Portfolio Management LLC (+1.54Mn shares), Nuveen, LLC (+1.33Mn shares) and Point72 Asset Management, L.P. (+1.18Mn shares).
The largest position reductions in HTFL for Q2 2026 were by Wellington Management Group LLP (-4.12Mn shares), Bain Capital Life Sciences Investors, LLC (-2Mn shares), Ensign Peak Advisors, Inc (-625.86K shares), BAMCO Inc (-602.4K shares) and FMR LLC (-576.86K shares).
Per Business Quant, the top 10 investors in HTFL for the quarter ended June 30, 2026 were XXEC, Inc. (77.27Mn shares), Bain Capital Life Sciences Investors, LLC (8.45Mn shares), Wellington Management Group LLP (7.86Mn shares), BlackRock, Inc. (5.2Mn shares), FMR LLC (4.82Mn shares), Vanguard Portfolio Management LLC (3.58Mn shares), BAMCO Inc (3.23Mn shares), Vanguard Capital Management LLC (2.75Mn shares), Jupiter Topco LLC (2.42Mn shares) and Invesco Ltd. (2.3Mn shares).

Form 13F Holdings

192 Institutional Holders

Report period 30 Jun, 2026

Total shares held 151.38Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	XXEC, Inc.	0001828822	77,270,845	89.11%	▲76,992,164	+27,627.35%	$2.52Mn
2	Bain Capital Life Sciences Investors, LLC	0001703031	8,448,158	9.74%	▼2,000,000	-19.14%	$247.87Mn
3	WELLINGTON MANAGEMENT GROUP LLP	0000902219	7,864,226	9.07%	▼4,118,057	-34.37%	$230.74Mn
4	BlackRock, Inc.	0002012383	5,197,747	5.99%	▲3,735,163	+255.38%	$152.50Mn
5	FMR LLC	0000315066	4,820,944	5.56%	▼576,858	-10.69%	$141.45Mn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,584,428	4.13%	▲1,538,490	+75.20%	$105.17Mn
7	BAMCO INC /NY/	0001017918	3,225,133	3.72%	▼602,398	-15.74%	$94.63Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,753,206	3.17%	▲859,711	+45.40%	$80.78Mn
9	Jupiter Topco LLC	0002146052	2,419,336	2.79%	▲2,419,336	0.00%	$70.98Mn
10	Invesco Ltd.	0000914208	2,298,718	2.65%	▲385,628	+20.16%	$67.44Mn
11	ALLIANCEBERNSTEIN L.P.	0001109448	1,924,268	2.22%	▲699,942	+57.17%	$46.82Mn
12	Point72 Asset Management, L.P.	0001603466	1,721,279	1.98%	▲1,182,928	+219.73%	$50.50Mn
13	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0001638555	1,694,651	1.95%	▲802,558	+89.96%	$49.72Mn
14	State Street Corp	0000093751	1,465,895	1.69%	▲1,015,345	+225.36%	$43.27Mn
15	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0000861177	1,465,650	1.69%	▲50,822	+3.59%	$43.00Mn
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,360,391	1.57%	▲818,732	+151.15%	$39.92Mn
17	Nuveen, LLC	0001871926	1,353,168	1.56%	▲1,329,929	+5,722.83%	$39.70Mn
18	Morgan Stanley	0000895421	1,054,889	1.22%	▲202,957	+23.82%	$30.95Mn
19	UBS Group AG	0001610520	975,510	1.12%	▲546,426	+127.35%	$28.62Mn
20	BNP Paribas Asset Management Holding S.A.	0001520354	931,160	1.07%	▲931,160	0.00%	$27.32Mn

Showing 1 to 20 of 192 holders