13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Services-Medical LaboratoriesMega-capCrowded
GH

GUARDANT HEALTH INC

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

CUSIP 40131M109·Services-Medical Laboratories·509 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 4.4%
vs prior quarter
13F value held
$7.0B
62.0% inst. owned
of float
Holders
509
+115 QoQ
filers reporting
Activity
+8 / −13
+744 added · −696 reduced
this quarter
Concentration
15.21%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

509 institutions reported GH in Q1 2026. BlackRock, Inc. leads at 15.2% of the visible book. +115 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.1B11.6M0.02%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$539M5.8M0.03%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$520M5.6M0.01%Q1 202604
Invesco Ltd.
CIK 0000914208
$457M4.9M0.07%Q1 202605
GOLDMAN SACHS GROUP INC
CIK 0000886982
$410M4.4M0.05%Q1 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$391M4.2M0.32%Q1 202607
FMR LLC
CIK 0000315066
$380M4.1M0.02%Q1 202608
BAILLIE GIFFORD & CO
CIK 0001088875
$356M3.9M0.36%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$324M3.5M0.02%Q1 202610
Capital International Investors
CIK 0001562230
$322M3.5M0.08%Q1 202611
FRANKLIN RESOURCES INC
CIK 0000038777
$319M3.4M0.08%Q1 202612
Deep Track Capital, LP
CIK 0001856083
$308M3.3M5.04%Q1 202613
STATE STREET CORP
CIK 0000093751
$266M2.9M0.01%Q1 202614
TWO SIGMA ADVISERS, LP
CIK 0001478735
$243M2.4M0.47%Q4 202515
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$236M2.6M0.79%Q1 202616
EVENTIDE ASSET MANAGEMENT, LLC
CIK 0001442891
$218M2.4M3.61%Q1 202617
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$195M1.9M0.06%Q1 202618
FEDERATED HERMES, INC.
CIK 0001056288
$174M1.9M0.28%Q1 202619
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$150M1.6M0.03%Q1 202620
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 0000938206
$141M1.5M1.03%Q1 2026
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