Jane Street’s Arq ARQ Stock Holding History

Jane Street’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 Q1	$486K	Buy	189,890 +115,666	+156%	+$370K	﹤0.01%	8111
2025 Q4	$243K	Sell	74,224 -32,580	-31%	-$159K	﹤0.01%	9310
2025 Q3	$765K	Buy	106,804 +89,416	+514%	+$591K	﹤0.01%	6894
2025 Q2	$93.4K	Buy	+17,388	New	+$76.1K	﹤0.01%	8982
2024 Q4	–	Sell	-30,436	Closed	-$179K	–	10788
2024 Q3	$179K	Buy	30,436 +17,240	+131%	+$105K	﹤0.01%	8719
2024 Q2	$80.1K	Sell	13,196 -52,394	-80%	-$361K	﹤0.01%	8809
2024 Q1	$425K	Buy	65,590 +55,214	+532%	+$206K	﹤0.01%	6965
2023 Q4	$30.9K	Buy	+10,376	New	+$23.2K	﹤0.01%	8861
2023 Q3	–	Sell	-11,433	Closed	-$21.3K	–	9526
2023 Q2	$21.3K	Buy	+11,433	New	+$18.9K	﹤0.01%	8357
2021 Q3	–	Sell	-25,222	Closed	-$187K	–	10883
2021 Q2	$187K	Buy	+25,222	New	+$155K	﹤0.01%	8884

Other funds holding ARQ

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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 $481B AUM 30.42% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Jane Street's ARQ Position: Q1 2026 in Review

Jane Street increased its Arq (ARQ) stake by 156% in Q1 2026, buying an estimated $370K and bringing the position to 189,890 shares worth $486K. The position accounts for ﹤0.01% of the portfolio, ranked #8111.

Jane Street first reported a position in ARQ in Q2 2021 and has held it in 10 quarters since. The position peaked at $765K in Q3 2025. 96 funds tracked by Wall St. Rank hold ARQ as of Q1 2026.

Jane Street held 189,890 shares of Arq worth $486K as of Q1 2026.
Jane Street bought 115,666 Arq shares in Q1 2026, an estimated $370K.
Arq made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8111 holding.
Jane Street first reported a position in Arq in Q2 2021 and has held it in 10 quarters since.
Jane Street's Arq position peaked at $765K in Q3 2025.
96 funds tracked by Wall St. Rank held Arq as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.