Jim Simons’s Guardant Health GH Stock Holding History

Jim Simons’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	$31.2M	Sell	337,600 -264,700	-44%	-$26.6M	0.05%	478
2025 Q4	$61.5M	Buy	602,300 +70,453	+13%	+$6.3M	0.1%	239
2025 Q3	$33.2M	Sell	531,847 -143,353	-21%	-$7.8M	0.04%	500
2025 Q2	$35.1M	Buy	675,200 +58,700	+10%	+$2.62M	0.05%	465
2025 Q1	$26.3M	Buy	616,500 +113,400	+23%	+$4.89M	0.04%	555
2024 Q4	$15.4M	Buy	503,100 +64,700	+15%	+$1.82M	0.02%	780
2024 Q3	$10.1M	Buy	+438,400	New	+$12.4M	0.02%	1033
2023 Q2	–	Sell	-213,400	Closed	-$5M	–	4050
2023 Q1	$5M	Buy	+213,400	New	+$6.1M	0.01%	1474
2021 Q2	–	Sell	-87,500	Closed	-$13.4M	–	3573
2021 Q1	$13.4M	Sell	87,500 -42,000	-32%	-$6.35M	0.02%	1013
2020 Q4	$16.7M	Buy	+129,500	New	+$14.9M	0.02%	847
2020 Q3	–	Sell	-128,300	Closed	-$10.4M	–	3477
2020 Q2	$10.4M	Buy	+128,300	New	+$10.3M	0.01%	1196
2019 Q4	–	Sell	-320,600	Closed	-$20.5M	–	3588
2019 Q3	$20.5M	Buy	+320,600	New	+$28.2M	0.02%	949

Other funds holding GH

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jim Simons's GH Position: Q1 2026 in Review

Jim Simons reduced its Guardant Health (GH) stake by 44% in Q1 2026, selling an estimated $26.6M and leaving 337,600 shares worth $31.2M. The position accounts for 0.05% of the portfolio, ranked #478.

Jim Simons first reported a position in GH in Q3 2019 and has held it in 12 quarters since. The position peaked at $61.5M in Q4 2025. 483 funds tracked by Wall St. Rank hold GH as of Q1 2026.

Jim Simons held 337,600 shares of Guardant Health worth $31.2M as of Q1 2026.
Jim Simons sold 264,700 Guardant Health shares in Q1 2026, an estimated $26.6M.
Guardant Health made up 0.05% of Jim Simons's portfolio in Q1 2026, its #478 holding.
Jim Simons first reported a position in Guardant Health in Q3 2019 and has held it in 12 quarters since.
Jim Simons's Guardant Health position peaked at $61.5M in Q4 2025.
483 funds tracked by Wall St. Rank held Guardant Health as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.