13F Insight
DOSSIER · 13F Holders · Q4 2025Healthcare · Services-Medical LaboratoriesHigh-convictionMulti-bagger
GRAL

GRAIL INC

392 institutions still hold GRAIL INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 384747101·Services-Medical Laboratories·392 13F holders·last filed Dec 31, 2025
Market cap
—
▼ 7.7%
vs prior quarter
13F value held
$1.5B
58.0% inst. owned
of float
Holders
392
-95 QoQ
filers reporting
Activity
+54 / −95
+905 added · −837 reduced
this quarter
Concentration
12.25%
BAKER BROS. ADVISORS LP #1
top holder share
AI Holders Summary · Q4 2025

392 institutions reported GRAL in Q4 2025. BAKER BROS. ADVISORS LP leads at 12.3% of the visible book. -95 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BAKER BROS. ADVISORS LP
CIK 0001263508
$178M2.1M1.05%Q4 202502
FARALLON CAPITAL MANAGEMENT LLC
CIK 0000909661
$168M3.3M0.96%Q1 202603
BlackRock, Inc.
CIK 0002012383
$153M3.0M0.00%Q1 202604
STATE STREET CORP
CIK 0000093751
$98M1.9M0.00%Q1 202605
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
$95M1.8M0.07%Q1 202606
Deep Track Capital, LP
CIK 0001856083
$89M1.7M1.45%Q1 202607
Sessa Capital IM, L.P.
CIK 0001595849
$89M1.7M1.61%Q1 202608
MORGAN STANLEY
CIK 0000895421
$84M1.6M0.01%Q1 202609
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$79M1.5M0.00%Q1 202610
Jefferies Financial Group Inc.
CIK 0000096223
$68M1.3M0.46%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$57M1.1M0.01%Q1 202612
Arbiter Partners Capital Management LLC
CIK 0001513193
$53M1.0M30.64%Q1 202613
BANK OF AMERICA CORP /DE/
CIK 0000070858
$47M914K0.00%Q1 202614
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$43M828K0.00%Q1 202615
Alyeska Investment Group, L.P.
CIK 0001453072
$38M443K0.11%Q4 202516
GOLDMAN SACHS GROUP INC
CIK 0000886982
$30M582K0.00%Q1 202617
CITADEL ADVISORS LLC
CIK 0001423053
$25M293K0.00%Q4 202518
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$22M428K0.23%Q1 202619
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$21M409K0.00%Q1 202620
D. E. Shaw & Co., Inc.
CIK 0001009207
$18M211K0.01%Q4 2025
Page 1 of 20
372 more holders available. Log in →