SEC ownership of Heartflow, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001464521.

Comparable stake leader

WELLINGTON MANAGEMENT GROUP LLP

Disclosed value leader

WELLINGTON MANAGEMENT GROUP LLP

Comparable rows

50/50

Latest evidence

28 Apr 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
WELLINGTON MANAGEMENT GROUP LLP
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
28 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001464521
Issuer location
San Francisco, CA

Ownership snapshot

Top shareholders of Heartflow, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
WELLINGTON MANAGEMENT GRO...
Disclosed value leader
WELLINGTON MANAGEMENT GRO...
Comparable rows
50/50
Latest evidence
28 Apr 2026
13F 13D/G 3/4/5 Lead comparable stake: 14% 13D/G row: WELLINGTON MANAGEMENT GROUP LLP Showing 1-8 of 50 holder rows.

Quick read

WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 14%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.
Comparable ownership Top 5
WELLINGTON MANAGEMENT GROUP LLP 14%
BCLS Fund III Investments, LP 12%
Hayfin Special Opportunities Fund... 6.2%
FMR LLC 5.7%
HealthCor Partners Management LP 2.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
WELLINGTON MANAGEMENT GROUP LLP
13F 13D/G
Company
14%
from 13D/G
$291,528,944
11,982,283 shares
31 Mar 2026
BCLS Fund III Investments, LP
13D/G 3/4/5
10%+ Owner
12%
$282,936,119
10,448,158 shares
-$54,160,000 31 Mar 2026
Hayfin Special Opportunities Fund II LP
13D/G
Hayfin Management Holdings Limited
6.2%
$177,834,666
5,283,264 shares
$0 30 Sep 2025
FMR LLC
13D/G 13F
Company
5.7%
$159,219,679
4,730,234 shares
$0 30 Sep 2025
HealthCor Partners Management LP
13D/G 3/4/5
10%+ Owner
2.4%
$48,261,085
2,082,014 shares
-$106,988,264 24 Mar 2026
Bain Capital Life Sciences Investors, LLC
13F 3/4/5
Company · 10%+ Owner
9.8%
from 3/4/5
$254,203,684
10,448,158 shares
31 Mar 2026
Bain Capital Life Sciences Fund III, L.P.
3/4/5
10%+ Owner
9.8%
$253,867,147
8,448,158 shares
-$58,898,336 28 Apr 2026
Bain Capital Life Sciences III General Partner, LLC
3/4/5
10%+ Owner
9.8%
$253,867,147
8,448,158 shares
-$58,898,336 28 Apr 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$359,507,435.

Buys
$1,053,680
Insiders: 1
Sells
$360,561,115
Insiders: 8
Net
-$359,507,435
Shares: -12,332,270
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 40,000 Shares: 12,372,270
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 10,115,805 $0 $298,017,328 -$298,017,328
3-6 0 2,256,465 $0 $62,543,787 -$62,543,787
6-9 40,000 0 $1,053,680 $0 +$1,053,680
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to Heartflow, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Bain Capital Life Sciences Investors, LLC
Net 12M change
-$359,507,432
Latest report
24 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Bain Capital Life Sciences Investors, LLC 10%+ Owner $253,867,147 -$114,998,336 -31% Filing P/S 28 Apr 2026
BCLS Fund III Investments, LP 10%+ Owner $253,867,147 -$58,898,336 -19% Filing P/S 28 Apr 2026
Bain Capital Life Sciences Fund III, L.P. 10%+ Owner $253,867,147 -$58,898,336 -19% Filing P/S 28 Apr 2026
Bain Capital Life Sciences III General Partner, LLC 10%+ Owner $253,867,147 -$58,898,336 -19% Filing P/S 28 Apr 2026
BCLS Fund III Investments GP, LLC 10%+ Owner $253,867,147 -$58,898,336 -19% Filing P/S 28 Apr 2026
Jeffrey C. Lightcap Director $217,828,174 +$1,053,680 +0.49% Mixed 16 Jun 2026
John C.m. Farquhar Chief Executive Officer, Director $16,027,725 -$4,417,943 -22% Filing P/S 24 Jun 2026
Campbell Rogers Chief Medical Officer $5,699,810 -$5,104,879 -47% Median 15 Jun 2026
Vikram Verghese Chief Financial Officer $5,130,077 Median 06 May 2026
Timothy C. Barabe Director $4,037,427 Mixed 16 Jun 2026
Marie L. Jones Chief Accounting Officer $756,249 Median 06 May 2026
Julie A. Cullivan Director $682,275 -$446,610 -40% Filing P/S 16 Jun 2026
HealthCor Partners Management LP 10%+ Owner $0 Mixed 11 Aug 2025
William C. Weldon Director Mixed 16 Jun 2026
Casey M. Tansey Director Mixed 16 Jun 2026
Wayne Joseph Riley Director Mixed 16 Jun 2026
Nicholas Downing Director Mixed 07 Aug 2025

Recent insider transactions for Heartflow, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
John C.m. Farquhar HTFL Common Stock Sale -7.83% $1,361,500 $35.00 -38,900 457,935 24 Jun 2026 Direct
William C. Weldon HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Timothy C. Barabe HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Julie A. Cullivan HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Jeffrey C. Lightcap HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Wayne Joseph Riley HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Casey M. Tansey HTFL Stock Option Award 16,075 16,075 16 Jun 2026 Direct
Campbell Rogers HTFL Common Stock Options Exercise 12.7% 10,000 88,731 15 Jun 2026 Direct
Campbell Rogers HTFL Stock Option Options Exercise -12.2% -10,000 71,633 15 Jun 2026 Direct
John C.m. Farquhar HTFL Common Stock Sale -4.34% $643,017 $28.50 -22,562 496,835 10 Jun 2026 Direct
Campbell Rogers HTFL Common Stock Sale -10.5% $261,266 $28.34 -9,219 78,731 18 May 2026 Direct
Campbell Rogers HTFL Common Stock Options Exercise 11.7% 9,219 87,950 18 May 2026 Direct
Campbell Rogers HTFL Stock Options Options Exercise -8.33% -9,219 101,410 18 May 2026 Direct
John C.m. Farquhar HTFL Common Stock Sale -4.16% $657,005 $29.12 -22,562 519,397 11 May 2026 Direct
Marie L. Jones HTFL Common Stock. Tax liability -0.26% -82 31,083 07 May 2026 Direct
Campbell Rogers HTFL Common Stock Tax liability -0.8% -637 78,731 07 May 2026 Direct
Vikram Verghese HTFL Common Stock. Tax liability -0.22% -473 210,854 07 May 2026 Direct
John C.m. Farquhar HTFL Common Stock Tax liability -0.35% -1,904 541,959 07 May 2026 Direct
Marie L. Jones HTFL Common Stock. Tax liability -1.53% -485 31,165 06 May 2026 Direct
Campbell Rogers HTFL Common Stock Tax liability -2.02% -1,634 79,368 06 May 2026 Direct
Vikram Verghese HTFL Common Stock. Tax liability -0.72% -1,536 211,327 06 May 2026 Direct
John C.m. Farquhar HTFL Common Stock Tax liability -0.97% -5,300 543,863 06 May 2026 Direct
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -10.1% $27,733,644 $29.23 -948,757 8,448,158 30 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -10.1% $27,733,644 $29.23 -948,757 8,448,158 30 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -10.1% $27,733,644 $29.23 -948,757 8,448,158 30 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -10.1% $27,733,644 $29.23 -948,757 8,448,158 30 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -10.1% $27,733,644 $29.23 -948,757 8,448,158 30 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -7.82% $23,411,796 $29.37 -797,133 9,396,915 29 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -7.82% $23,411,796 $29.37 -797,133 9,396,915 29 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -7.82% $23,411,796 $29.37 -797,133 9,396,915 29 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -7.82% $23,411,796 $29.37 -797,133 9,396,915 29 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -7.82% $23,411,796 $29.37 -797,133 9,396,915 29 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -2.43% $7,752,896 $30.51 -254,110 10,194,048 28 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -2.43% $7,752,896 $30.51 -254,110 10,194,048 28 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -2.43% $7,752,896 $30.51 -254,110 10,194,048 28 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -2.43% $7,752,896 $30.51 -254,110 10,194,048 28 Apr 2026 See footnotes
Bain Capital Life Sciences Investors, LLC HTFL Common Stock Sale -2.43% $7,752,896 $30.51 -254,110 10,194,048 28 Apr 2026 See footnotes
John C.m. Farquhar HTFL Common Stock Sale -3.95% $602,857 $26.72 -22,562 549,163 10 Apr 2026 Direct
Campbell Rogers HTFL Common Stock Sale -44.3% $1,590,093 $24.64 -64,533 81,002 01 Apr 2026 Direct
Campbell Rogers HTFL Common Stock Options Exercise 85.4% 67,017 145,535 01 Apr 2026 Direct
Campbell Rogers HTFL Stock Option Options Exercise -94.8% -60,168 3,298 01 Apr 2026 Direct
Campbell Rogers HTFL Stock Options Options Exercise -100% -6,849 0 01 Apr 2026 Direct
Jeffrey C. Lightcap HTFL Common Stock Other 515.6% 206,261 246,261 24 Mar 2026 Direct
HealthCor Partners Management LP HTFL COMMON STOCK Other -100% -4,615,542 0 24 Mar 2026 By HCPCIV I, LLC
Campbell Rogers HTFL Common Stock Sale -45.1% $1,658,033 $25.69 -64,533 78,518 19 Mar 2026 Direct
Campbell Rogers HTFL Common Stock Options Exercise 88.1% 67,017 143,051 19 Mar 2026 Direct
Campbell Rogers HTFL Stock Option Options Exercise -32.1% -67,017 141,510 19 Mar 2026 Direct
John C.m. Farquhar HTFL Common Stock Sale -1.67% $243,125 $25.00 -9,725 571,725 18 Mar 2026 Direct
Timothy C. Barabe HTFL Common Stock Options Exercise 5.07% 8,667 179,521 11 Mar 2026 Direct
Timothy C. Barabe HTFL Stock Option Options Exercise -36% -8,667 15,412 11 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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