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Buy Day today: Good (62) Broad market participation · no major macro event
HTFL

Heartflow, Inc.

Healthcare · Health Information Services · —

49.60$ +2.6% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Heartflow, Inc. (HTFL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 77.2% of the shares are freely tradable; institutional investors hold 78.8%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 78.8%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 5.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 77.2%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 10.1%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 87Mio.

Largest Shareholders

Institutions

Institutions HTFL
Name Stake (%) Shares Change (%) Date
Bain Capital Life Sciences Investors, LLC 12.02 10,448,158 -16.1 03/31/2026
Wellington Management Company LLP 9.04 7,864,226 -34.4 06/30/2026
FMR Inc 6.21 5,397,802 +30.9 03/31/2026
BAMCO Inc 4.40 3,827,531 +66.1 03/31/2026
HHG PLC 2.51 2,180,976 +152.0 03/31/2026
Vanguard Portfolio Management, LLC 2.35 2,045,938 +0.0 03/31/2026
Amvescap Plc. 2.20 1,913,090 +231.3 03/31/2026

Funds

Funds HTFL
Name Stake (%) Shares Change (%) Date
Vanguard Health Care Inv 6.67 5,795,579 +2.5 06/30/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.85 2,478,037 +0.4 07/31/2026
iShares Russell 2000 ETF 2.35 2,046,372 -0.6 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings HTFL
Person Role Shares Value As of Type
Farquhar John C.M. Chief Executive Officer 321,914 15,966,934 $ Sep 11, 2026 direct
Lightcap Jeffrey C Director 293,681 14,566,578 $ Jul 24, 2026 direct
Barabe Timothy C Director 184,521 9,152,242 $ Jul 17, 2026 direct
Verghese Vikram Chief Financial Officer 179,528 8,904,589 $ Sep 15, 2026 direct
Rogers Campbell Chief Medical Officer 86,459 4,288,366 $ Aug 17, 2026 direct
Jones Marie L. Chief Accounting Officer 32,176 1,595,930 $ Aug 7, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Sep 15, 2026 Verghese Vikram Chief Financial Officer Sell 668 50.01 33,408
Sep 14, 2026 Verghese Vikram Chief Financial Officer Sell 4,593 50.24 230,744
Sep 11, 2026 Verghese Vikram Chief Financial Officer Sell 29,714 50.06 1,487,459
Sep 11, 2026 Farquhar John C.M. Chief Executive Officer Sell 3,890 50.00 194,500
Sep 10, 2026 Farquhar John C.M. Chief Executive Officer Sell 35,010 46.42 1,625,105
Sep 8, 2026 Verghese Vikram Chief Financial Officer Sell 6,640 50.03 332,212
Sep 3, 2026 Verghese Vikram Chief Financial Officer Sell 27,540 49.69 1,368,471
Sep 2, 2026 Verghese Vikram Chief Financial Officer Sell 5,876 50.60 297,326
Aug 21, 2026 Farquhar John C.M. Chief Executive Officer Sell 27,230 50.00 1,361,500
Aug 18, 2026 Farquhar John C.M. Chief Executive Officer Sell 32,676 45.00 1,470,420
Aug 17, 2026 Rogers Campbell Chief Medical Officer Sell 9,219 41.23 380,099
Aug 17, 2026 Rogers Campbell Chief Medical Officer Other 9,219 19.00 175,161
Aug 14, 2026 Farquhar John C.M. Chief Executive Officer Sell 15,560 39.06 607,774
Aug 10, 2026 Farquhar John C.M. Chief Executive Officer Sell 22,562 28.31 638,730
Aug 7, 2026 Jones Marie L. Chief Accounting Officer Other 82 28.82 2,363
Aug 7, 2026 Verghese Vikram Chief Financial Officer Other 473 28.82 13,632
Aug 7, 2026 Rogers Campbell Chief Medical Officer Other 637 28.82 18,358
Aug 7, 2026 Farquhar John C.M. Chief Executive Officer Other 1,904 28.82 54,873
Aug 6, 2026 Jones Marie L. Chief Accounting Officer Other 486 27.19 13,214
Aug 6, 2026 Verghese Vikram Chief Financial Officer Other 1,537 27.19 41,791
Aug 6, 2026 Rogers Campbell Chief Medical Officer Other 1,635 27.19 44,456
Aug 6, 2026 Farquhar John C.M. Chief Executive Officer Other 5,847 27.19 158,980
Jul 30, 2026 Farquhar John C.M. Chief Executive Officer Other 9,737 9.58 93,280
Jul 30, 2026 Farquhar John C.M. Chief Executive Officer Other 18,694 2.22 41,501
Jul 30, 2026 Farquhar John C.M. Chief Executive Officer Other 2,789 8.33 23,232
Jul 27, 2026 Verghese Vikram Chief Financial Officer Other 22,522 2.22 49,999
Jul 24, 2026 Lightcap Jeffrey C Director Other 47,420 19.00 900,980
Jul 21, 2026 Verghese Vikram Chief Financial Officer Other 22,522 2.22 49,999
Jul 17, 2026 Barabe Timothy C Director Other 5,000 19.00 95,000
Jul 15, 2026 Rogers Campbell Chief Medical Officer Sell 9,219 25.72 237,113
Jul 15, 2026 Rogers Campbell Chief Medical Officer Other 9,219 19.00 175,161
Jul 10, 2026 Farquhar John C.M. Chief Executive Officer Sell 22,562 27.75 626,096
Mar 6, 2026 Jones Marie L. Chief Accounting Officer Other 1,661 16.15 26,825
Mar 6, 2026 Verghese Vikram Chief Financial Officer Other 671 16.15 10,837

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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