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HTFL · Heartflow, Inc.

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$45.46 +0.23 (+0.51%) At close · Aug 19
Market Cap
$3.96B
Shares
86.95M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 192
Total Value: $2,196,011,054
Total Shares: 74,847,024

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 192 13F filers · Δ vs Mar 31, 2026
Top Holder
11.3%
Sep 2025 → Jun 2026 · range 11.3% – 28.0%
−7.1 pts
Top 5
40.0%
Sep 2025 → Jun 2026 · range 40.0% – 60.8%
−12.0 pts
Top 10
56.8%
Sep 2025 → Jun 2026 · range 56.8% – 75.1%
−8.6 pts
HHI
457
Sep 2025 → Jun 2026 · range 457 – 1,155
Broadly held−323

Quarterly Activity

vs Mar 31, 2026
New
51
Increased
89
Decreased
38
Sold Out
28
Unchanged
14
Holder count: +23
Institutional value: +38.8%
Shares held: +15.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 196
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1464521 CUSIP 42238D107 13F (30d) 186 filings 180 filers Visit website Investor relations