Heartflow, Inc. (HTFL) Institutional Ownership Changes & 13F Activity

Heartflow, Inc. (HTFL). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Wellington Management Group Llp, Invesco Ltd., Bain Capital Life Sciences Investors, Llc, Point72 Asset Management, L.P., and Summit Partners Public Asset Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+19,697+102.4%38,924$1.14MQ2 2026Sep 09, 2026
Allianz Asset Management GmbhBuy+53,06153,061$1.56MQ2 2026Sep 02, 2026
Citadel Advisors LlcBuy+43,278+5.7%799,883$23.47MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+2,403+4.8%52,724$1.55MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+14,610+49.7%43,981$1.29MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+2,047+19.0%12,825$376.29KQ2 2026Aug 19, 2026
Xxec, Inc.Buy+320,513+115.0%599,194$18.36MQ2 2026Aug 17, 2026
Wellington Management Group LlpSell-4,118,057-34.4%7,864,226$230.74MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+2,298,7182,298,718$67.44MQ2 2026Aug 14, 2026
Bain Capital Life Sciences Investors, LlcSell-2,000,000-19.1%8,448,158$247.87MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+1,182,928+219.7%1,721,279$50.50MQ2 2026Aug 14, 2026
Summit Partners Public Asset Management, LlcBuy+802,558+90.0%1,694,651$49.72MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Buy+699,942+57.2%1,924,268$46.82MQ2 2026Aug 14, 2026
Ensign Peak Advisors, IncSell-625,864-90.6%64,602$1.90MQ2 2026Aug 14, 2026
Bamco IncSell-602,398-15.7%3,225,133$94.63MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+455,328+407.6%567,030$16.64MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+386,847+175.4%607,387$17.82MQ2 2026Aug 14, 2026
Nzs Capital, LlcBuy+365,881+126.1%656,014$19.25MQ2 2026Aug 14, 2026
12 West Capital Management LpBuy+262,500+41.0%902,500$26.48MQ2 2026Aug 14, 2026
Lord, Abbett & Co. LlcSell-249,828-55.5%200,536$5.88MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+206,293+645.2%238,268$6.99MQ2 2026Aug 14, 2026
Rtw Investments, LpSell-200,000-40.4%295,000$8.66MQ2 2026Aug 14, 2026
Catalio Capital Management, LpBuy+179,467+44.5%583,055$17.11MQ2 2026Aug 14, 2026
Millennium Management LlcSell-170,524-15.6%922,893$27.08MQ2 2026Aug 14, 2026
Voloridge Investment Management, LlcSell-166,836-94.8%9,209$270.19KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+148,141+99.3%297,254$8.72MQ2 2026Aug 14, 2026
Alyeska Investment Group, L.P.Buy+125,000+55.6%350,000$10.27MQ2 2026Aug 14, 2026
Eventide Asset Management, LlcSell-120,014-15.9%636,942$18.69MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+104,017104,017$3.05MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-101,478-68.5%46,722$1.37MQ2 2026Aug 14, 2026
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Frequently asked questions about HTFL activity

  • Which institutional owners are buying HTFL?

    Institutional owners buying HTFL include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in HTFL activity?

    "Buy" means an investor increased their reported position in HTFL compared to the prior reporting period. This reflects growing exposure to Heartflow, Inc. (HTFL) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in HTFL increasing?

    Institutional interest in HTFL can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.