HTFLHeartflow, Inc.

$49.71+51% 1Y

Who owns HTFL

190 institutions reported holding HTFL for 2026Q2, together 87% of the company, more than the 166 a quarter earlier.

190

Institutions reporting a position · as of 2026Q2 · up from 166 the quarter before

Shares held by institutions
74.8M

Shares held by institutions · 87% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.19B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
38%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
4
New positions
51
Positions exited
27
Added to
80
Reduced
34
Top 10 holdersof the company
52%
Shares sold shortsettled Sep 15, 2026
5.6M
Short interestof shares outstanding
6.6%
Days to coverat the average daily volume
3.1
Change in the short positionsince the Aug 31, 2026 count
−7.3%
Institutional ownership by quarter, 2025Q3 to 2026Q2
QuarterFilersSharesReported value
2026Q219074.8M$2.19B
2026Q116665.0M$1.59B
2025Q411252.3M$1.53B
2025Q38844.4M$1.49B
Largest reported holders, 2026Q2
HolderShares% of companyValue
Bain Capital Life Sciences Investors, LLC8.4M9.9%$248M
WELLINGTON MANAGEMENT GROUP LLP7.9M9.2%$231M
VANGUARD GROUP INC6.6M7.7%$194M
BlackRock Inc.5.2M6.1%$153M
FMR LLC4.8M5.6%$141M
BAMCO INC /NY/3.2M3.8%$95M
Jupiter Topco LLC2.4M2.8%$71M
Invesco Ltd.2.3M2.7%$67M
ALLIANCEBERNSTEIN L.P.1.9M2.2%$47M
Point72 Asset Management, L.P.1.7M2.0%$51M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20265.6M6.6%3.1
Aug 31, 20266.1M7.1%2.5
Aug 14, 20266.8M7.9%3.9
Jul 31, 20266.8M8.0%6.6
Jul 15, 20265.9M6.9%4.2
Jun 30, 20265.2M6.0%1.7
Jun 15, 20264.2M4.9%3.7
May 29, 20263.6M4.2%2.9
May 15, 20263.5M4.1%3.3
Apr 30, 20264.4M5.1%3.9
Apr 15, 20265.5M6.5%4.6
Mar 31, 20266.0M7.0%3.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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