Atika Capital Management’s Guardant Health GH Stock Holding History

Atika 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	$27.2M	Buy	181,000 +90,000	+99%	+$9.79M	1.78%	14
2026 Q1	$8.41M	Sell	91,000 -17,000	-16%	-$1.71M	1.06%	28
2025 Q4	$11M	Sell	108,000 -25,000	-19%	-$2.24M	1.16%	24
2025 Q3	$8.31M	Buy	133,000 +43,800	+49%	+$2.38M	0.67%	43
2025 Q2	$4.64M	Buy	89,200 +3,700	+4%	+$165K	0.46%	49
2025 Q1	$3.64M	Buy	+85,500	New	+$3.69M	0.51%	54
2022 Q4	–	Sell	-80,000	Closed	-$4.31M	–	87
2022 Q3	$4.31M	Buy	+80,000	New	+$4.11M	0.37%	72
2021 Q4	–	Sell	-83,000	Closed	-$10.4M	–	106
2021 Q3	$10.4M	Sell	83,000 -5,000	-6%	-$594K	0.62%	57
2021 Q2	$10.9M	Buy	88,000 +400	+0.5%	+$53.8K	0.86%	46
2021 Q1	$13.4M	Sell	87,600 -7,400	-8%	-$1.12M	1.16%	38
2020 Q4	$12.2M	Buy	95,000 +15,800	+20%	+$1.82M	0.96%	48
2020 Q3	$8.85M	Buy	79,200 +2,200	+3%	+$201K	0.73%	49
2020 Q2	$6.25M	Buy	+77,000	New	+$6.2M	0.81%	50
2019 Q3	–	Sell	-47,000	Closed	-$4.06M	–	80
2019 Q2	$4.06M	Sell	47,000 -10,000	-18%	-$764K	0.8%	55
2019 Q1	$4.37M	Buy	+57,000	New	+$3.16M	0.89%	46

Other funds holding GH

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

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

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

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

Atika Capital Management increased its Guardant Health (GH) stake by 99% in Q2 2026, buying an estimated $9.79M and bringing the position to 181,000 shares worth $27.2M. The position accounts for 1.78% of the portfolio, ranked #14.

Atika Capital Management first reported a position in GH in Q1 2019 and has held it in 15 quarters since. 598 funds tracked by Wall St. Rank hold GH as of Q2 2026.

Atika Capital Management held 181,000 shares of Guardant Health worth $27.2M as of Q2 2026.
Atika Capital Management bought 90,000 Guardant Health shares in Q2 2026, an estimated $9.79M.
Guardant Health made up 1.78% of Atika Capital Management's portfolio in Q2 2026, its #14 holding.
Atika Capital Management first reported a position in Guardant Health in Q1 2019 and has held it in 15 quarters since.
598 funds tracked by Wall St. Rank held Guardant Health as of Q2 2026.

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