Security key
42238D107
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 52,338,867
- Total 13F value
- $1,525,456,369
- Share change
- +7,871,337
- SEC-reported price per share
- $29.15
- Number of holders
- 112
- Value change
- +$217,676,325
- Number of buys
- 84
- Number of sells
- 36
- Shares outstanding
- 86,577,684
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
112
Top holders
10
HTFL full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q3 2025
Heartflow, Inc. SEC filings
Heartflow, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 42238D107
Recent filing periods:
Ownership snapshot
Top reported holders of HTFL - Heartflow, Inc. - Common Stock (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
Hayfin Special Opportunit...
Disclosed value leader
Bain Capital Life Science...
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
13F
Lead comparable stake: 6.2%
13D/G row: Hayfin Special Opportunities Fund II LP
Showing 1-6 of 15 holder rows.
Quick read
Hayfin Special Opportunities Fund II LP leads the comparable SEC ownership view at 6.2%.
15 of 15 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 Hayfin Special Opportunities Fund II LP's linked filing trail.
Comparable ownership
Top 5
Hayfin Special Opportunities Fund...
6.2%
FMR LLC
5.7%
Bain Capital Life Sciences Invest...
14%
WELLINGTON MANAGEMENT GROUP LLP
5.6%
BAILLIE GIFFORD & CO
3.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| 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 |
| Bain Capital Life Sciences Investors, LLC |
13F
Company
|
14%
|
$419,004,998
12,448,158 shares
|
— | 30 Sep 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
5.6%
|
$164,262,955
4,880,064 shares
|
— | 30 Sep 2025 |
| BAILLIE GIFFORD & CO |
13F
Company
|
3.5%
|
$101,181,892
3,005,998 shares
|
— | 30 Sep 2025 |
| Schusterman Interests, LLC |
13F
Company
|
2.2%
|
$65,273,506
1,939,201 shares
|
— | 30 Sep 2025 |
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.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
112
Shares
52,338,867
Rows available
112
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
89
Q4 2025 holders
112
Holder diff
23
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend