13F Insight
DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
HTFL

HEARTFLOW INC

169 institutions still hold HEARTFLOW INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 42238d107·169 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 9.7%
vs prior quarter
13F value held
$1.3B
45.0% inst. owned
of float
Holders
169
-110 QoQ
filers reporting
Activity
+22 / −34
+790 added · −840 reduced
this quarter
Concentration
22.86%
WELLINGTON MANAGEMENT GROUP LLP #1
top holder share
AI Holders Summary · Q1 2026

169 institutions reported HTFL in Q1 2026. WELLINGTON MANAGEMENT GROUP LLP leads at 22.9% of the visible book. -110 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$292M12.0M0.05%Q1 202602
Bain Capital Life Sciences Investors, LLC
CIK 0001703031
$254M10.4M22.93%Q1 202603
FMR LLC
CIK 0000315066
$131M5.4M0.01%Q1 202604
BAMCO INC /NY/
CIK 0001017918
$93M3.8M0.28%Q1 202605
JANUS HENDERSON GROUP PLC
CIK 0001274173
$53M2.2M0.03%Q1 202606
Vanguard Portfolio Management
CIK 0002100121
$50M2.0M0.00%Q1 202607
Invesco Ltd.
CIK 0000914208
$47M1.9M0.01%Q1 202608
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$46M1.9M0.00%Q1 202609
CITADEL ADVISORS LLC
CIK 0001423053
$36M1.2M0.01%Q4 202510
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$36M1.2M0.01%Q1 202611
BlackRock, Inc.
CIK 0002012383
$36M1.5M0.00%Q1 202612
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$34M1.4M0.01%Q1 202613
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$27M1.1M0.01%Q1 202614
BAILLIE GIFFORD & CO
CIK 0001088875
$26M1.1M0.03%Q1 202615
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
CIK 0001638555
$22M892K0.58%Q1 202616
MORGAN STANLEY
CIK 0000895421
$21M852K0.00%Q1 202617
FRANKLIN RESOURCES INC
CIK 0000038777
$19M794K0.00%Q1 202618
EVENTIDE ASSET MANAGEMENT, LLC
CIK 0001442891
$18M757K0.30%Q1 202619
VOYA INVESTMENT MANAGEMENT LLC
CIK 0001068837
$18M728K0.02%Q1 202620
Ensign Peak Advisors, Inc
CIK 0001454984
$17M690K0.03%Q1 2026
Page 1 of 9
149 more holders available. Log in →