Stock Ownership/HTFL

HEARTFLOW INC (HTFL): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in HTFL · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
13
13F filers
Aggregate Value
$154.4M
Across holders
Last Price
$50.20
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity9 increased4 reduced4 exited
Full exits: Verition Fund Management LLC, BAILLIE GIFFORD & CO, Hudson Bay Capital Management LP, Holocene Advisors, LP
Institutional Holders of HTFL
↗
13 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.72M$50.5M32.7%0.1%Added+$34.7MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund923K$27.1M17.5%0.0%Reduced$-5.0MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund800K$23.5M15.2%0.0%Added+$22.8MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund539K$15.8M10.2%0.1%Reduced$-2.9MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund383K$11.2M7.3%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund303K$8.9M5.8%0.0%Added+$8.9MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund299K$8.8M5.7%0.0%Added+$8.2MQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund137K$4.0M2.6%0.0%Added+$1.6MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund87K$2.6M1.7%0.0%Added+$1.1MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund47K$1.4M0.9%0.0%Reduced$-3.0MQ2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$50.5M· 32.7% of total· 0.1% port· 1.72M sh· +$34.7M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$27.1M· 17.5% of total· 0.0% port· 923K sh· $-5.0M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$23.5M· 15.2% of total· 0.0% port· 800K sh· +$22.8M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$15.8M· 10.2% of total· 0.1% port· 539K sh· $-2.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$11.2M· 7.3% of total· 0.0% port· 383K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$8.9M· 5.8% of total· 0.0% port· 303K sh· +$8.9M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$8.8M· 5.7% of total· 0.0% port· 299K sh· +$8.2M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$4.0M· 2.6% of total· 0.0% port· 137K sh· +$1.6M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$2.6M· 1.7% of total· 0.0% port· 87K sh· +$1.1M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$1.4M· 0.9% of total· 0.0% port· 47K sh· $-3.0M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$270K· 0.2% of total· 0.0% port· 9K sh· $-4.9M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$255K· 0.2% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$209K· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
1–10 of 13
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