Marshall Wace’s Guardian Pharmacy Services GRDN Stock Holding History

Marshall Wace’s Portfolio GRDN Stock Details GRDN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.51M	Sell	35,996 -381,714	-91%	-$14.8M	﹤0.01%	2003
2026 Q1	$15.7M	Buy	+417,710	New	+$13.6M	0.02%	787
2025 Q4	–	Sell	-139,897	Closed	-$3.67M	–	3607
2025 Q3	$3.67M	Buy	139,897 +124,455	+806%	+$2.97M	﹤0.01%	1328
2025 Q2	$329K	Buy	15,442 +1,883	+14%	+$42.5K	﹤0.01%	2301
2025 Q1	$288K	Buy	+13,559	New	+$278K	﹤0.01%	2284

Other funds holding GRDN

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

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

VCM

Valiant Capital Management San Francisco, California $2.48B AUM 57.08% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

TCM

TimesSquare Capital Management New York $6.8B AUM 45.85% 1-Year Est. Return

Marshall Wace's GRDN Position: Q2 2026 in Review

Marshall Wace reduced its Guardian Pharmacy Services (GRDN) stake by 91% in Q2 2026, selling an estimated $14.8M and leaving 35,996 shares worth $1.51M. The position accounts for ﹤0.01% of the portfolio, ranked #2003.

Marshall Wace first reported a position in GRDN in Q1 2025 and has held it in 5 quarters since. The position peaked at $15.7M in Q1 2026. 189 funds tracked by Wall St. Rank hold GRDN as of Q2 2026.

Marshall Wace held 35,996 shares of Guardian Pharmacy Services worth $1.51M as of Q2 2026.
Marshall Wace sold 381,714 Guardian Pharmacy Services shares in Q2 2026, an estimated $14.8M.
Guardian Pharmacy Services made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2003 holding.
Marshall Wace first reported a position in Guardian Pharmacy Services in Q1 2025 and has held it in 5 quarters since.
Marshall Wace's Guardian Pharmacy Services position peaked at $15.7M in Q1 2026.
189 funds tracked by Wall St. Rank held Guardian Pharmacy Services as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.