Vanguard Portfolio Management’s Arq ARQ Stock Holding History

Vanguard Portfolio Management’s Portfolio ARQ Stock Details ARQ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-184,246	Closed	-$472K	–	3263
2026 Q1	$472K	Buy	+184,246	New	+$590K	﹤0.01%	2955

Other funds holding ARQ

Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

PLC

Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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

DCF Advisers Greenwich, Connecticut $566M AUM 197.74% 1-Year Est. Return

Vanguard Portfolio Management's ARQ Position: Q2 2026 in Review

Vanguard Portfolio Management sold out of Arq (ARQ) in Q2 2026, closing a stake of 184,246 shares — an estimated $472K sold.

Vanguard Portfolio Management first reported a position in ARQ in Q1 2026 and held it in 1 quarter. The position peaked at $472K in Q1 2026. 99 funds tracked by Wall St. Rank hold ARQ as of Q2 2026.

Vanguard Portfolio Management reported no remaining Arq position as of Q2 2026 after selling out during the quarter.
Vanguard Portfolio Management sold 184,246 Arq shares in Q2 2026, an estimated $472K.
Vanguard Portfolio Management first reported a position in Arq in Q1 2026 and held it in 1 quarter.
Vanguard Portfolio Management's Arq position peaked at $472K in Q1 2026.
99 funds tracked by Wall St. Rank held Arq as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.