Jane Street
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Jane Street’s Arcus Biosciences RCUS Stock Holding History

Jane Street’s Portfolio RCUS Stock Details RCUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$229K Sell
10,600
-10,900
-51% -$235K ﹤0.01% 9835
2025
Q4 		$512K Buy
21,500
+600
+3% +$12.2K ﹤0.01% 7632
2025
Q3 		$284K Buy
20,900
+1,700
+9% +$17.7K ﹤0.01% 9010
2025
Q2 		$156K Buy
+19,200
New +$164K ﹤0.01% 8718
2024
Q1 		– Sell
-30,200
Closed -$577K – 9926
2023
Q4 		$577K Sell
30,200
-5,000
-14% -$79.9K ﹤0.01% 6521
2023
Q3 		$632K Sell
35,200
-200
-0.6% -$4.02K ﹤0.01% 5908
2023
Q2 		$719K Buy
+35,400
New +$674K ﹤0.01% 5749
2022
Q4 		– Sell
-41,400
Closed -$1.08M – 9963
2022
Q3 		$1.08M Sell
41,400
-131,100
-76% -$3.47M ﹤0.01% 5275
2022
Q2 		$4.37M Buy
+172,500
New +$4.22M ﹤0.01% 2874
2022
Q1 		– Sell
-5,000
Closed -$202K – 10907
2021
Q4 		$202K Buy
+5,000
New +$194K ﹤0.01% 8808

Other funds holding RCUS

GS
Gilead Sciences Foster City, California $2.12B AUM 143.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SCM
Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Jane Street's RCUS Position: Q1 2026 in Review

Jane Street increased its Arcus Biosciences (RCUS) stake by 132% in Q1 2026, buying an estimated $1.33M and bringing the position to 107,979 shares worth $2.33M. The position accounts for ﹤0.01% of the portfolio, ranked #4794.

Jane Street first reported a position in RCUS in Q4 2018 and has held it in 23 quarters since. The position peaked at $6.33M in Q4 2023. 210 funds tracked by Wall St. Rank hold RCUS as of Q1 2026.

  • Jane Street held 107,979 shares of Arcus Biosciences worth $2.33M as of Q1 2026.
  • Jane Street bought 61,474 Arcus Biosciences shares in Q1 2026, an estimated $1.33M.
  • Arcus Biosciences made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4794 holding.
  • Jane Street first reported a position in Arcus Biosciences in Q4 2018 and has held it in 23 quarters since.
  • Jane Street's Arcus Biosciences position peaked at $6.33M in Q4 2023.
  • 210 funds tracked by Wall St. Rank held Arcus Biosciences as of Q1 2026.

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