13F Insight
DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
GH 1.25 02/15/31

GUARDANT HEALTH INC

44 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 40131MAD1·44 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.6%
vs prior quarter
13F value held
$755M
64.0% inst. owned
of float
Holders
44
+104 QoQ
filers reporting
Activity
+86 / −84
+865 added · −691 reduced
this quarter
Concentration
25.82%
LINDEN ADVISORS LP #1
top holder share
AI Holders Summary · Q1 2026

44 institutions reported GH 1.25 02/15/31 in Q1 2026. LINDEN ADVISORS LP leads at 25.8% of the visible book. +104 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
LINDEN ADVISORS LP
CIK 0001279396
$195M115.8M1.09%Q1 202602
BRAIDWELL LP
CIK 0001920938
$103M61.0M3.42%Q1 202603
Aequim Alternative Investments LP
CIK 0001728201
$72M42.5M1.39%Q1 202604
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$46M27.3M0.44%Q1 202605
CITADEL ADVISORS LLC
CIK 0001423053
$40M21.6M0.01%Q4 202506
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$38M23K3.61%Q1 202607
CITIGROUP INC
CIK 0000831001
$34M20.2M0.01%Q1 202608
BlackRock, Inc.
CIK 0002012383
$32M18.9M0.00%Q1 202609
VOYA INVESTMENT MANAGEMENT LLC
CIK 0001068837
$24M14.4M0.03%Q1 202610
STATE STREET CORP
CIK 0000093751
$22M12.9M0.00%Q1 202611
MORGAN STANLEY
CIK 0000895421
$20M11.7M0.00%Q1 202612
Point72 Asset Management, L.P.
CIK 0001603466
$18M10.5M0.02%Q1 202613
Portman Square Capital LLP
CIK 0001966898
$17M10.0M0.65%Q1 202614
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$17M10.0M0.35%Q1 202615
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$17M9.9M0.00%Q1 202616
JPMORGAN CHASE & CO
CIK 0000019617
$15M9.6M0.00%Q1 202617
Jefferies Financial Group Inc.
CIK 0000096223
$15M8.8M0.10%Q1 202618
CSS LLC/IL
CIK 0001103646
$12M7.0M0.57%Q1 202619
FMR LLC
CIK 0000315066
$11M6.6M0.00%Q1 202620
D. E. Shaw & Co., Inc.
CIK 0001009207
$10M5.2M0.01%Q4 2025
Page 1 of 3
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