Westfield Capital Management’s Guardant Health GH Stock Holding History

Westfield 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	$244M	Buy	1,624,459 +261,920	+19%	+$28.5M	0.8%	24
2026 Q1	$126M	Buy	1,362,539 +823,349	+153%	+$82.7M	0.53%	51
2025 Q4	$55.1M	Buy	+539,190	New	+$48.2M	0.23%	142
2022 Q4	–	Sell	-581,589	Closed	-$31.3M	–	234
2022 Q3	$31.3M	Buy	581,589 +11,526	+2%	+$592K	0.25%	141
2022 Q2	$23M	Buy	570,063 +414,721	+267%	+$20.5M	0.18%	161
2022 Q1	$10.3M	Buy	+155,342	New	+$10.6M	0.07%	179

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

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

Westfield Capital Management increased its Guardant Health (GH) stake by 19% in Q2 2026, buying an estimated $28.5M and bringing the position to 1,624,459 shares worth $244M. The position accounts for 0.8% of the portfolio, ranked #24.

Westfield Capital Management first reported a position in GH in Q1 2022 and has held it in 6 quarters since. 597 funds tracked by Wall St. Rank hold GH as of Q2 2026.

Westfield Capital Management held 1,624,459 shares of Guardant Health worth $244M as of Q2 2026.
Westfield Capital Management bought 261,920 Guardant Health shares in Q2 2026, an estimated $28.5M.
Guardant Health made up 0.8% of Westfield Capital Management's portfolio in Q2 2026, its #24 holding.
Westfield Capital Management first reported a position in Guardant Health in Q1 2022 and has held it in 6 quarters since.
597 funds tracked by Wall St. Rank held Guardant Health as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.