Jim Simons
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Jim Simons’s Arcus Biosciences RCUS Stock Holding History

Jim Simons’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 		$9.17M Buy
424,700
+392,000
+1,199% +$8.47M 0.01% 1009
2025
Q4 		$779K Sell
32,700
-186,600
-85% -$3.81M ﹤0.01% 2390
2025
Q3 		$2.98M Sell
219,300
-148,800
-40% -$1.55M ﹤0.01% 1798
2025
Q2 		$3M Buy
368,100
+164,100
+80% +$1.4M ﹤0.01% 1845
2025
Q1 		$1.6M Buy
204,000
+185,500
+1,003% +$2.15M ﹤0.01% 2138
2024
Q4 		$275K Sell
18,500
-165,400
-90% -$2.7M ﹤0.01% 3072
2024
Q3 		$2.81M Buy
183,900
+101,500
+123% +$1.6M ﹤0.01% 1800
2024
Q2 		$1.25M Sell
82,400
-158,100
-66% -$2.55M ﹤0.01% 2195
2024
Q1 		$4.54M Buy
240,500
+117,000
+95% +$2.02M 0.01% 1477
2023
Q4 		$2.36M Sell
123,500
-19,300
-14% -$308K ﹤0.01% 1855
2023
Q3 		$2.56M Buy
+142,800
New +$2.87M ﹤0.01% 1709
2021
Q3 		– Sell
-275,700
Closed -$7.57M – 3776
2021
Q2 		$7.57M Buy
275,700
+18,800
+7% +$537K 0.01% 1372
2021
Q1 		$7.21M Buy
+256,900
New +$8.94M 0.01% 1415
2020
Q2 		– Sell
-261,416
Closed -$3.63M – 3708
2020
Q1 		$3.63M Buy
261,416
+44,178
+20% +$549K ﹤0.01% 1751
2019
Q4 		$2.19M Buy
217,238
+76,400
+54% +$642K ﹤0.01% 2285
2019
Q3 		$1.28M Buy
140,838
+106,238
+307% +$854K ﹤0.01% 2493
2019
Q2 		$275K Buy
+34,600
New +$346K ﹤0.01% 3202

Other funds holding RCUS

GS
Gilead Sciences Foster City, California $1.65B AUM 166.99% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

Jim Simons's RCUS Position: Q1 2026 in Review

Jim Simons increased its Arcus Biosciences (RCUS) stake by 1,199% in Q1 2026, buying an estimated $8.47M and bringing the position to 424,700 shares worth $9.17M. The position accounts for 0.01% of the portfolio, ranked #1009.

Jim Simons first reported a position in RCUS in Q2 2019 and has held it in 17 quarters since. 210 funds tracked by Wall St. Rank hold RCUS as of Q1 2026.

  • Jim Simons held 424,700 shares of Arcus Biosciences worth $9.17M as of Q1 2026.
  • Jim Simons bought 392,000 Arcus Biosciences shares in Q1 2026, an estimated $8.47M.
  • Arcus Biosciences made up 0.01% of Jim Simons's portfolio in Q1 2026, its #1009 holding.
  • Jim Simons first reported a position in Arcus Biosciences in Q2 2019 and has held it in 17 quarters since.
  • 210 funds tracked by Wall St. Rank held Arcus Biosciences as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.