Comparable stake leader
WELLINGTON MANAGEMENT GROUP LLP
SEC ownership of Heartflow, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001464521.
Disclosed value leader
BCLS Fund III Investments, LP
Comparable rows
50/50
Latest evidence
31 Jul 2026
- Public ticker
- HTFL on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
WELLINGTON MANAGEMENT GROUP LLP
Ranking: Comparable ownership first, then disclosed value
- 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
-
31 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001464521
- Issuer location
- San Francisco, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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
BCLS Fund III Investments...
Comparable rows
50/50
Latest evidence
31 Jul 2026
13D/G
13F
3/4/5
Lead comparable stake: 11%
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 11%.
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
11%
BCLS Fund III Investments, LP
9.8%
Hayfin Special Opportunities Fund...
6.2%
FMR LLC
5.7%
BlackRock, Inc.
5.7%
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 |
13D/G
13F
Company
|
11%
|
$246,701,191
9,232,829 shares
|
-$71,834,529 | 31 Jul 2026 |
| BCLS Fund III Investments, LP |
3/4/5
13D/G
10%+ Owner
|
9.8%
from 13D/G
|
$253,867,147
8,448,158 shares
|
-$58,898,336 | 28 Apr 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 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.7%
from 13D/G
|
$152,501,905
5,197,747 shares
|
— | 30 Jun 2026 |
| 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 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: -$361,009,373.
Buys
$1,053,680
Insiders: 1
Sells
$362,063,053
Insiders: 8
Net
-$361,009,373
Shares: -12,386,613
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 40,000
Shares: 12,426,613
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 115,805 | $0 | $3,506,455 | -$3,506,455 |
| 3-6 | 0 | 10,215,093 | $0 | $300,022,999 | -$300,022,999 |
| 6-9 | 40,000 | 2,095,715 | $1,053,680 | $58,533,599 | -$57,479,919 |
| 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
BCLS Fund III Investments GP, LLC
Net 12M change
-$361,009,371
Latest report
10 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| BCLS Fund III Investments GP, LLC | 10%+ Owner | $253,867,147 | -$58,898,336 | -19% | 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 III General Partner, LLC | 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 Investors, LLC | 10%+ Owner | $253,867,147 | -$114,998,336 | -31% | Filing P/S | 28 Apr 2026 |
| Jeffrey C. Lightcap | Director | $205,122,892 | +$1,053,680 | +0.52% | Median | 24 Jul 2026 |
| John C.m. Farquhar | Chief Executive Officer, Director | $12,351,086 | -$5,682,769 | -32% | Filing P/S | 10 Aug 2026 |
| Vikram Verghese | Chief Financial Officer | $7,468,761 | Median | 27 Jul 2026 | ||
| William C. Weldon | Director | $7,156,789 | Median | 08 Jul 2026 | ||
| Campbell Rogers | Chief Medical Officer | $6,806,850 | -$5,341,992 | -44% | Median | 06 Aug 2026 |
| Timothy C. Barabe | Director | $5,522,697 | Median | 22 Jul 2026 | ||
| Marie L. Jones | Chief Accounting Officer | $944,043 | 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 | ||
| Nicholas Downing | Director | Mixed | 07 Aug 2025 | |||
| Wayne Joseph Riley | Director | Mixed | 16 Jun 2026 | |||
| Casey M. Tansey | Director | Mixed | 16 Jun 2026 |
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 | -4.92% | $638,730 | $28.31 | -22,562 | 436,280 | 10 Aug 2026 | Direct |
| Marie L. Jones | HTFL | Common Stock. | Tax liability | -0.25% | -82 | 32,176 | 07 Aug 2026 | Direct | ||
| Vikram Verghese | HTFL | Common Stock. | Tax liability | -0.19% | -473 | 254,559 | 07 Aug 2026 | Direct | ||
| Campbell Rogers | HTFL | Common Stock | Tax liability | -0.73% | -637 | 86,459 | 07 Aug 2026 | Direct | ||
| John C.m. Farquhar | HTFL | Common Stock | Tax liability | -0.41% | -1,904 | 458,842 | 07 Aug 2026 | Direct | ||
| Marie L. Jones | HTFL | Common Stock. | Tax liability | -1.48% | -486 | 32,258 | 06 Aug 2026 | Direct | ||
| Vikram Verghese | HTFL | Common Stock. | Tax liability | -0.6% | -1,537 | 255,032 | 06 Aug 2026 | Direct | ||
| Campbell Rogers | HTFL | Common Stock | Tax liability | -1.84% | -1,635 | 87,096 | 06 Aug 2026 | Direct | ||
| John C.m. Farquhar | HTFL | Common Stock | Tax liability | -1.25% | -5,847 | 460,746 | 06 Aug 2026 | Direct | ||
| John C.m. Farquhar | HTFL | Common Stock | Options Exercise | 7.17% | 31,220 | 466,593 | 30 Jul 2026 | Direct | ||
| John C.m. Farquhar | HTFL | Stock Option | Options Exercise | -32.2% | -31,220 | 65,703 | 30 Jul 2026 | Direct | ||
| Vikram Verghese | HTFL | Common Stock. | Options Exercise | 9.65% | 22,522 | 255,898 | 27 Jul 2026 | Direct | ||
| Vikram Verghese | HTFL | Stock Option | Options Exercise | -25.3% | -22,522 | 66,588 | 27 Jul 2026 | Direct | ||
| Jeffrey C. Lightcap | HTFL | Common Stock | Options Exercise | 19.3% | 47,420 | 293,681 | 24 Jul 2026 | Direct | ||
| Jeffrey C. Lightcap | HTFL | Stock Option | Options Exercise | -100% | -47,420 | 0 | 24 Jul 2026 | Direct | ||
| Timothy C. Barabe | HTFL | Common Stock | Options Exercise | 2.01% | 3,710 | 188,231 | 22 Jul 2026 | Direct | ||
| Timothy C. Barabe | HTFL | Stock Option | Options Exercise | -19.8% | -3,710 | 15,000 | 22 Jul 2026 | Direct | ||
| Vikram Verghese | HTFL | Common Stock. | Options Exercise | 10.7% | 22,522 | 233,376 | 21 Jul 2026 | Direct | ||
| Vikram Verghese | HTFL | Stock Option | Options Exercise | -20.2% | -22,522 | 89,110 | 21 Jul 2026 | Direct | ||
| Timothy C. Barabe | HTFL | Common Stock | Options Exercise | 2.79% | 5,000 | 184,521 | 17 Jul 2026 | Direct | ||
| Timothy C. Barabe | HTFL | Stock Option | Options Exercise | -21.1% | -5,000 | 18,710 | 17 Jul 2026 | Direct | ||
| Campbell Rogers | HTFL | Common Stock | Sale | -9.41% | $237,113 | $25.72 | -9,219 | 88,731 | 15 Jul 2026 | Direct |
| Campbell Rogers | HTFL | Common Stock | Options Exercise | 10.4% | 9,219 | 97,950 | 15 Jul 2026 | Direct | ||
| Campbell Rogers | HTFL | Stock Options | Options Exercise | -9.09% | -9,219 | 92,191 | 15 Jul 2026 | Direct | ||
| John C.m. Farquhar | HTFL | Common Stock | Sale | -4.93% | $626,096 | $27.75 | -22,562 | 435,373 | 10 Jul 2026 | Direct |
| William C. Weldon | HTFL | Common Stock | Options Exercise | 26.7% | 51,369 | 243,931 | 08 Jul 2026 | Direct | ||
| William C. Weldon | HTFL | Stock Option | Options Exercise | -100% | -17,123 | 0 | 08 Jul 2026 | Direct | ||
| 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 |
* marks a reported price that did not pass the local price check.