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Guardant Health

481 hedge funds and large institutions have $12.5B invested in Guardant Health in 2026 Q1 according to their latest regulatory filings, with 72 funds opening new positions, 191 increasing their positions, 157 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more repeat investments, than reductions

Existing positions increased: 191 | Existing positions reduced: 157

0.66% more ownership

Funds ownership: 103.99%104.65% (+0.66%)

6% less first-time investments, than exits

New positions opened: 72 | Existing positions closed: 77

3% less funds holding

Funds holding: 495481 (-14)

7% less capital invested

Capital invested by funds: $13.4B → $12.5B (-$883M)

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
481
Holders Change
-14
Holders Change %
-2.83%
% of All Funds
5.92%
Holding in Top 10
11
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-15.38%
% of All Funds
0.14%
New
72
Increased
191
Reduced
157
Closed
77
Calls
$78.8M
Puts
$112M
Net Calls
-$32.9M
Net Calls Change
-$148M
Name Holding Trade Value Shares
Change
Change in
Stake
SC
501
SummitTX Capital
Texas
-$2.69M -26,295 Closed
LCM
502
Legato Capital Management
California
-$2.66M -26,076 Closed
KOCAA
503
Knights of Columbus Asset Advisors
Connecticut
-$2.46M -24,075 Closed
DIM
504
Delta Investment Management
California
-$2.27M -22,236 Closed
Simplex Trading
505
Simplex Trading
Illinois
-$1.91M -18,994 Closed
YIH
506
Y-Intercept (HK)
Hong Kong
-$1.91M -18,715 Closed
GAM
507
Gotham Asset Management
New York
-$1.73M -16,984 Closed
LP
508
LMR Partners
United Kingdom
-$1.72M -16,800 Closed
QC
509
Quadrature Capital
United Kingdom
-$1.69M -16,504 Closed
PCM
510
Penserra Capital Management
California
-$1.6M -15,720 Closed
HIS
511
Harvest Investment Services
Illinois
-$1.47M -14,417 Closed
CCM
512
Cinctive Capital Management
New York
-$1.1M -10,811 Closed
MP
513
Mangrove Partners
Connecticut
-$1.1M -10,737 Closed
HCA
514
Harbor Capital Advisors
Illinois
-$1.01M -9,936 Closed
NIM
515
NEOS Investment Management
Connecticut
-$820K -8,030 Closed
BFM
516
Boothbay Fund Management
New York
-$790K -7,737 Closed
CPM
517
Connective Portfolio Management
New York
-$715K -7,000 Closed
GP
518
Guardian Partners
Canada
-$743K -7,000 Closed
GCM
519
Graham Capital Management
Connecticut
-$652K -6,385 Closed
TFS
520
Thoroughbred Financial Services
Tennessee
-$648K -6,354 Closed
National Bank of Canada
521
National Bank of Canada
Quebec, Canada
-$623K -6,106 Closed
Fidelity International
522
Fidelity International
Bermuda
-$615K -6,020 Closed
QCM
523
Qsemble Capital Management
New York
-$601K -5,882 Closed
SFI
524
Susquehanna Fundamental Investments
Pennsylvania
-$590K -5,775 Closed
HT
525
Headlands Technologies
Illinois
-$575K -5,629 Closed

GH Hedge Fund Activity: Q1 2026 in Review

481 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Guardant Health (GH) for Q1 2026, worth a combined $12.5B — down 6.6% from $13.4B a quarter earlier.

Sellers outnumbered buyers: 77 funds closed out of GH and 72 opened new positions — a net loss of 5 holders — while 157 trimmed existing stakes and 191 added.

The largest buyer was Two Sigma Investments, adding an estimated $207M. The largest seller was Baillie Gifford & Co, cutting an estimated $104M.

  • 481 institutional investors held Guardant Health (GH) as of Q1 2026, down from 495 in Q4 2025.
  • Funds reported $12.5B of Guardant Health stock for Q1 2026, down 6.6% quarter-over-quarter.
  • 72 funds opened new Guardant Health positions in Q1 2026 and 77 closed out, a net change of -5 holders.
  • The largest Guardant Health buyer in Q1 2026 was Two Sigma Investments, an estimated $207M added.
  • The largest Guardant Health seller in Q1 2026 was Baillie Gifford & Co, an estimated $104M sold.

Based on aggregated 13F filings for Q1 2026.