What does CUSIP 42238D107 represent in this 13F holders report?

CUSIP 42238D107 is the security identifier for HTFL - Heartflow, Inc. - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

How many institutions held HTFL - Heartflow, Inc. - Common Stock, $0.001 par value per share in Q2 2026?

191 institutional investors reported HTFL - Heartflow, Inc. - Common Stock, $0.001 par value per share for Q2 2026. Use the holders table for investor-level position and value details.

Heartflow, Inc. - Common Stock, $0.001 par value per share (HTFL)

CUSIP: 42238D107

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 74,732,632
Total 13F value: $2,186,182,204
Share change: +9,388,540
Put/Call ratio: 34%
SEC-reported price per share: $29.34
Number of holders: 191
Value change: +$283,837,526
Number of buys: 137
Number of sells: 61
Shares outstanding: 86,205,694

Security key

42238D107

Report period

Q2 2026

Institutions

191

Top holders

HTFL full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 Heartflow, Inc. SEC filings Heartflow, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 42238D107

Previous quarter: Q4 2025

Recent filing periods:

Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of HTFL - Heartflow, Inc. - Common Stock, $0.001 par value per share (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

BCLS Fund III Investments...

Disclosed value leader

WELLINGTON MANAGEMENT GRO...

Comparable rows

15/15

Latest evidence

30 Jun 2026

3/4/5 13D/G 13F Lead comparable stake: 9.8% 13D/G row: BCLS Fund III Investments, LP Showing 1-6 of 15 holder rows.

Quick read

BCLS Fund III Investments, LP leads the comparable SEC ownership view at 9.8%.

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 BCLS Fund III Investments, LP's linked filing trail.

Comparable ownership Top 5

BCLS Fund III Investments, LP 9.8%

Hayfin Special Opportunities Fund... 6.2%

FMR LLC 5.7%

BlackRock, Inc. 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 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BCLS Fund III Investments, LP	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	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 13D/G	6.2%	$177,834,666 5,283,264 shares	$0	30 Sep 2025
FMR LLC	13D/G 13F Company 13D/G 13F	5.7%	$159,219,679 4,730,234 shares	$0	30 Sep 2025
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	5.7%	$144,790,788 4,934,928 shares	$0	30 Jun 2026
HealthCor Partners Management LP	13D/G 3/4/5 10%+ Owner 13D/G 3/4/5	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 13F 3/4/5	9.8% from 3/4/5	$254,203,684 10,448,158 shares	—	31 Mar 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.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

191

74,732,632

Rows available

191

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 Q2 2026 vs Q4 2025 Across Filers

Q4 2025 holders

112

Q2 2026 holders

191

Holder diff

Investor	Q4 2025 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend