Heartflow, Inc. Common Stock
Heartflow, Inc. Common Stock (HTFL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · HTFL · as of Sep 30, 2025
Ownership Breakdown
89
Institutional Holders
▲ 89 vs Q2
$1.49B
Total Inst. Value
▲ $1.49B vs Q2
86.24M
Shares Outstanding
freeFloat 76.83%
44.39M
13F Shares Held
▲ 44.39M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
HTFL largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC surgical & medical instruments & apparatus | 12.45M | 15.44% | 15.44% | $419.00B | Nov 14, 2025 | NEW |
WELLINGTON MANAGEMENT GROUP LLP surgical & medical instruments & apparatus | 4.88M | 6.05% | 6.05% | $164.26B | Nov 14, 2025 | NEW |
FMR LLC surgical & medical instruments & apparatus | 4.73M | 5.87% | 5.87% | $159.22B | Nov 13, 2025 | NEW |
BAILLIE GIFFORD & CO surgical & medical instruments & apparatus | 3.01M | 3.73% | 3.73% | $101.18B | Oct 31, 2025 | NEW |
SCHUSTERMAN INTERESTS, LLC surgical & medical instruments & apparatus | 1.94M | 2.41% | 2.41% | $65.27B | Nov 14, 2025 | NEW |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 1.45M | 1.80% | 1.80% | $48.87B | Nov 7, 2025 | NEW |
CAPITAL INTERNATIONAL INVESTORS surgical & medical instruments & apparatus | 1.30M | 1.61% | 1.61% | $43.67B | Nov 13, 2025 | NEW |
BAMCO INC /NY/ surgical & medical instruments & apparatus | 1.24M | 1.54% | 1.54% | $41.65B | Nov 14, 2025 | NEW |
PRICE T ROWE ASSOCIATES INC /MD/ surgical & medical instruments & apparatus | 1.21M | 1.51% | 1.51% | $40.90B | Nov 14, 2025 | NEW |
LORD, ABBETT & CO. LLC surgical & medical instruments & apparatus | 1.13M | 1.41% | 1.41% | $38.13B | Nov 13, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares50
New Positions
first time holders0
Decreased
−0 shares0
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
+50
50 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
HTFL insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
21
Sell transactions
0.24
Buy/Sell ratio
$2M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Rogers Campbell Chief Medical Officer | May 18, 2026 | Sale | 9,219 | $28.34 | $261.3K | 78.7K | Form 4 ↗ |
Farquhar John C.M. Chief Executive Officer | May 11, 2026 | Sale | 22,562 | $29.12 | $657.0K | 519.4K | Form 4 ↗ |
Jones Marie L. Chief Accounting Officer | May 6, 2026 | Tax Withhold | 485 | $30.29 | $14.7K | 31.2K | Form 4 ↗ |
Jones Marie L. Chief Accounting Officer | May 7, 2026 | Tax Withhold | 82 | $29.98 | $2.5K | 31.1K | Form 4 ↗ |
Rogers Campbell Chief Medical Officer | May 6, 2026 | Tax Withhold | 1,634 | $30.29 | $49.5K | 79.4K | Form 4 ↗ |
Rogers Campbell Chief Medical Officer | May 7, 2026 | Tax Withhold | 637 | $29.98 | $19.1K | 78.7K | Form 4 ↗ |
Verghese Vikram Chief Financial Officer | May 6, 2026 | Tax Withhold | 1,536 | $30.29 | $46.5K | 211.3K | Form 4 ↗ |
Verghese Vikram Chief Financial Officer | May 7, 2026 | Tax Withhold | 473 | $29.98 | $14.2K | 210.9K | Form 4 ↗ |
Farquhar John C.M. Chief Executive Officer | May 6, 2026 | Tax Withhold | 5,300 | $30.29 | $160.5K | 543.9K | Form 4 ↗ |
Farquhar John C.M. Chief Executive Officer | May 7, 2026 | Tax Withhold | 1,904 | $29.98 | $57.1K | 542.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Heartflow, Inc. Common Stock (HTFL) is primarily owned by institutional investors, who hold approximately 51.5% of total shares outstanding. Company insiders own approximately 23.17%, while retail and public investors account for the remaining 25.36%.
The largest institutional shareholder of Heartflow, Inc. Common Stock is BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC, holding approximately 12.45 million shares — equal to 15.44% of outstanding shares — as of September 30, 2025.
A total of 89 institutional investors currently hold HTFL stock, with a combined institutional value of approximately $1.49 billion as of the most recent 13F filing period.
Frequently asked questions
HTFL ownershipHeartflow, Inc. Common Stock (HTFL) is primarily owned by institutional investors, who hold approximately 51.5% of shares. The largest shareholder is BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC with a 15.44% stake. Company insiders hold 23.17%. Data sourced from SEC Form 13F as of September 30, 2025.