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
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 $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Portolan Capital Management's GH Position: Q1 2026 in Review

Portolan Capital Management reduced its Guardant Health (GH) stake by 86% in Q1 2026, selling an estimated $9.03M and leaving 14,155 shares worth $1.31M. The position accounts for 0.07% of the portfolio, ranked #133.

Portolan Capital Management first reported a position in GH in Q4 2025 and has held it in 2 quarters since. The position peaked at $10.6M in Q4 2025. 481 funds tracked by Wall St. Rank hold GH as of Q1 2026.

  • Portolan Capital Management held 14,155 shares of Guardant Health worth $1.31M as of Q1 2026.
  • Portolan Capital Management sold 89,933 Guardant Health shares in Q1 2026, an estimated $9.03M.
  • Guardant Health made up 0.07% of Portolan Capital Management's portfolio in Q1 2026, its #133 holding.
  • Portolan Capital Management first reported a position in Guardant Health in Q4 2025 and has held it in 2 quarters since.
  • Portolan Capital Management's Guardant Health position peaked at $10.6M in Q4 2025.
  • 481 funds tracked by Wall St. Rank held Guardant Health as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.