InvestorLens

HTFL — HEARTFLOW INC

Public company

Sign in to save3 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying HTFL?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
86
Institutional Conviction
Net accumulation · 1 buying vs 0 selling last quarter
64
Macro Tailwind
No Macro Health score published yet
—
Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their HTFL position last quarter, 1 bought and 0 sold (100% buy-side).

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Steve Cohen)
  • +3 tracked investors reported holding HTFL at their latest filing
Contradicting evidence — always shown
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 7/25/2026.

About HEARTFLOW INC (HTFL)

HEARTFLOW INC (HTFL) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $36M. Across recent filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in HTFL

100
/100
Strong Institutional Accumulation
Added / Increased1
Reduced0
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track HTFL

20
/100
Emerging Interest
3investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

HTFL Ownership Composition

How HEARTFLOW INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
78% of tracked value
Institutions
3
tracked investors
Total Reported
$58.4M
combined 13F value
Sectors2
  • Other77.6%
  • Hedge Funds22.4%
Other(2)
77.6%
Hedge Funds(1)
22.4%

Tracked investors reporting HTFL

  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    768.7K
    Value
    $18.7M
    % Portfolio
    0.00%
  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    1.1M
    Value
    $26.6M
    % Portfolio
    0.01%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    538.4K
    Value
    $13.1M
    % Portfolio
    0.02%

Recent activity

Frequently asked questions

How many institutional investors hold HTFL?
3 tracked institutional investors disclosed a position in HTFL (HEARTFLOW INC) in their most recent 13F filing.
Who is the largest institutional holder of HTFL?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in HTFL, valued at $36M.
Did institutional ownership of HTFL increase or decrease?
Across recent 13F filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 fully exited HTFL.
Where does this HTFL ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
HTFL (HEARTFLOW INC) — Institutional Holders & 13F History — InvestorLens