Heartflow, Inc.

HTFLNASDAQ

$49.32+0.41 (+0.84%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Heartflow, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+36.3%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Bain Capital Life Sciences Investors, LLC	9.74%	$248M	14.74%	Reduce 19.14%
Wellington Management Group LLP	9.07%	$231M	0.04%	Reduce 34.37%
BlackRock, Inc.	5.99%	$153M	0.00%	Not reported
FMR LLC	5.56%	$141M	0.01%	Not reported
Vanguard Portfolio Management LLC	4.13%	$105M	0.00%	Not reported
Bamco Inc	3.72%	$94.6M	0.14%	Reduce 15.74%
Vanguard Capital Management LLC	3.17%	$80.8M	0.00%	Not reported
Jupiter Topco LLC	2.79%	$71M	0.03%	Not reported
Invesco Ltd.	2.65%	$67.4M	0.01%	Not reported
Alliancebernstein L.P.	2.22%	$46.8M	0.02%	Not reported
Point72 Asset Management, L.P.	1.98%	$50.5M	0.06%	Not reported
Summit Partners Public Asset Management, LLC	1.95%	$49.7M	0.87%	Add 89.96%
State Street Corp	1.69%	$43.3M	0.00%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1.69%	$43M	0.01%	Not reported
Geode Capital Management, LLC	1.57%	$39.9M	0.00%	Not reported
Nuveen, LLC	1.56%	$39.7M	0.01%	Not reported
Morgan Stanley	1.22%	$31M	0.00%	Not reported
UBS Group AG	1.12%	$28.6M	0.00%	Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	1.07%	$27.3M	0.03%	Not reported
Millennium Management LLC	1.06%	$27.1M	0.01%	Not reported
12 West Capital Management LP	1.04%	$26.5M	4.95%	Add 41.02%
Citadel Advisors LLC	0.92%	$23.5M	0.00%	Not reported
Champlain Investment Partners, LLC	0.85%	$21.5M	0.55%	Add 29.29%
Voya Investment Management LLC	0.85%	$21.5M	0.02%	Not reported
Next Century Growth Investors LLC	0.77%	$19.7M	1.04%	Add 2.82%
NZS Capital, LLC	0.76%	$19.2M	0.50%	Add 126.11%
Bank of New York Mellon Corp	0.75%	$19.1M	0.00%	Not reported
Eventide Asset Management, LLC	0.73%	$18.7M	0.25%	Reduce 15.85%
Goldman Sachs Group Inc	0.70%	$17.8M	0.00%	Not reported
XXEC, Inc.	0.69%	$18.4M	2.38%	Add 115.01%
Catalio Capital Management, LP	0.67%	$17.1M	3.22%	Add 44.47%
Rock Springs Capital Management LP	0.66%	$16.8M	0.82%	Add 0.17%
Bank of America Corp	0.65%	$16.6M	0.00%	Not reported
Fred Alger Management, LLC	0.62%	$15.8M	0.05%	Reduce 15.53%
Northern Trust Corp	0.62%	$15.8M	0.00%	Not reported
BNP Paribas Financial Markets	0.59%	$15M	0.01%	Not reported
Massachusetts Financial Services Co	0.58%	$14.6M	0.00%	New Not reported
JPMorgan Chase & Co	0.51%	$15.5M	0.00%	Not reported
Renaissance Technologies LLC	0.44%	$11.2M	0.02%	Not reported
Alyeska Investment Group, L.P.	0.40%	$10.3M	0.03%	Not reported
AQR Capital Management LLC	0.35%	$8.9M	0.00%	Not reported
Walleye Capital LLC	0.34%	$8.76M	0.03%	Not reported
Charles Schwab Investment Management Inc	0.34%	$8.72M	0.00%	Not reported
RTW Investments, LP	0.34%	$8.66M	0.07%	Reduce 40.40%
Vanguard Fiduciary Trust Co	0.27%	$6.92M	0.00%	Not reported
Lord, Abbett & Co. LLC	0.23%	$5.88M	0.02%	Reduce 55.47%
Lisanti Capital Growth, LLC	0.22%	$5.57M	1.22%	Add 53.20%
Wealth Enhancement Advisory Services, LLC	0.19%	$4.47M	0.01%	Not reported
Sei Investments Co	0.19%	$4.78M	0.00%	Not reported
Temasek Holdings (Private) Ltd	0.18%	$4.63M	0.01%	Not reported

50 of 184 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock