PCM
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Portolan Capital Management’s Guardant Health GH Stock Holding History

Portolan Capital Management’s Portfolio GH Stock Details GH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.08M Sell
13,897
-258
-2% -$28.1K 0.08% 133
2026
Q1 		$1.31M Sell
14,155
-89,933
-86% -$9.03M 0.07% 133
2025
Q4 		$10.6M Buy
+104,088
New +$9.31M 0.57% 60

Other funds holding GH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

Portolan Capital Management's GH Position: Q2 2026 in Review

Portolan Capital Management reduced its Guardant Health (GH) stake by 1.8% in Q2 2026, selling an estimated $28.1K and leaving 13,897 shares worth $2.08M. The position accounts for 0.08% of the portfolio, ranked #133.

Portolan Capital Management first reported a position in GH in Q4 2025 and has held it in 3 quarters since. The position peaked at $10.6M in Q4 2025. 598 funds tracked by Wall St. Rank hold GH as of Q2 2026.

  • Portolan Capital Management held 13,897 shares of Guardant Health worth $2.08M as of Q2 2026.
  • Portolan Capital Management sold 258 Guardant Health shares in Q2 2026, an estimated $28.1K.
  • Guardant Health made up 0.08% of Portolan Capital Management's portfolio in Q2 2026, its #133 holding.
  • Portolan Capital Management first reported a position in Guardant Health in Q4 2025 and has held it in 3 quarters since.
  • Portolan Capital Management's Guardant Health position peaked at $10.6M in Q4 2025.
  • 598 funds tracked by Wall St. Rank held Guardant Health as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.