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Guardant Health

480 hedge funds and large institutions have $12.5B invested in Guardant Health in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 190 increasing their positions, 156 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

7% less capital invested

Capital invested by funds: $13.4B → $12.5B (-$876M)

15% less funds holding in top 10

Funds holding in top 10: 1311 (-2)

29% less call options, than puts

Call options by funds: $78.8M | Put options by funds: $112M

Holders
480
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$78.8M
Puts
$112M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Barclays
76
Barclays
United Kingdom
$23.5M
PMAM
77
Picton Mahoney Asset Management
Ontario, Canada
$23.1M
SC
78
Samlyn Capital
New York
$23M
Universal-Beteiligungs- und Servicegesellschaft
79
Universal-Beteiligungs- und Servicegesellschaft
Germany
$22.5M
BWLSA
80
Blue Water Life Science Advisors
California
$22.4M
Massachusetts Financial Services
81
Massachusetts Financial Services
Massachusetts
$22M
NAMI
82
Nomura Asset Management International
Pennsylvania
$21.6M
SBH
83
Segall Bryant & Hamill
Illinois
$21.5M
SA
84
Sicart Associates
New York
$21.3M
Swiss National Bank
85
Swiss National Bank
Switzerland
$20.5M
California Public Employees Retirement System
86
California Public Employees Retirement System
California
$19.9M
Jennison Associates
87
Jennison Associates
New York
$18.8M
TD Asset Management
88
TD Asset Management
Ontario, Canada
$18M
Squarepoint
89
Squarepoint
New York
$17.7M
AM
90
AGF Management
Ontario, Canada
$17.5M
Russell Investments Group
91
Russell Investments Group
United Kingdom
$17.4M
Principal Financial Group
92
Principal Financial Group
Iowa
$17.1M
Dimensional Fund Advisors
93
Dimensional Fund Advisors
Texas
$16.9M
Citigroup
94
Citigroup
New York
$16.1M
PCH
95
Polar Capital Holdings
United Kingdom
$16M
RG
96
Rathbones Group
United Kingdom
$15.4M
CM
97
Castleark Management
Illinois
$14.8M
WCM Investment Management
98
WCM Investment Management
California
$14.6M
RhumbLine Advisers
99
RhumbLine Advisers
Massachusetts
$14.6M
AI
100
Axiom Investors
Connecticut
$14.2M