BlackRock’s Arcus Biosciences RCUS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$329M Buy
15,226,475
+228,584
+2% +$4.94M 0.01% 1380
2025
Q4
$357M Buy
14,997,891
+3,187,025
+27% +$65M 0.01% 1320
2025
Q3
$161M Buy
11,810,866
+352,887
+3% +$3.67M ﹤0.01% 1804
2025
Q2
$93.3M Buy
11,457,979
+590,888
+5% +$5.05M ﹤0.01% 2096
2025
Q1
$85.3M Buy
10,867,091
+1,172,829
+12% +$13.6M ﹤0.01% 2097
2024
Q4
$144M Sell
9,694,262
-38,137
-0.4% -$623K ﹤0.01% 1857
2024
Q3
$149M Sell
9,732,399
-30,714
-0.3% -$484K ﹤0.01% 1836
2024
Q2
$149M Sell
9,763,113
-137,228
-1% -$2.21M ﹤0.01% 1794
2024
Q1
$187M Sell
9,900,341
-134,829
-1% -$2.33M ﹤0.01% 1686
2023
Q4
$192M Buy
10,035,170
+416,343
+4% +$6.65M ﹤0.01% 1674
2023
Q3
$173M Buy
9,618,827
+146,790
+2% +$2.95M 0.01% 1633
2023
Q2
$192M Sell
9,472,037
-666,983
-7% -$12.7M 0.01% 1611
2023
Q1
$185M Buy
10,139,020
+749,972
+8% +$14.3M 0.01% 1596
2022
Q4
$194M Buy
9,389,048
+460,820
+5% +$12.7M 0.01% 1549
2022
Q3
$234M Buy
8,928,228
+805,534
+10% +$21.3M 0.01% 1353
2022
Q2
$206M Buy
8,122,694
+3,983,168
+96% +$97.5M 0.01% 1510
2022
Q1
$131M Buy
4,139,526
+9,597
+0.2% +$322K ﹤0.01% 1957
2021
Q4
$167M Sell
4,129,929
-73,031
-2% -$2.83M ﹤0.01% 1874
2021
Q3
$147M Buy
4,202,960
+164,232
+4% +$5.11M ﹤0.01% 1947
2021
Q2
$111M Buy
4,038,728
+645,082
+19% +$18.4M ﹤0.01% 2183
2021
Q1
$95.3M Buy
3,393,646
+138,555
+4% +$4.82M ﹤0.01% 2220
2020
Q4
$84.5M Buy
3,255,091
+125,809
+4% +$3.05M ﹤0.01% 2175
2020
Q3
$53.6M Buy
3,129,282
+490,190
+19% +$11M ﹤0.01% 2257
2020
Q2
$65.3M Sell
2,639,092
-141,256
-5% -$3.81M ﹤0.01% 2104
2020
Q1
$38.6M Sell
2,780,348
-228,414
-8% -$2.84M ﹤0.01% 2221
2019
Q4
$30.4M Buy
3,008,762
+106,774
+4% +$898K ﹤0.01% 2648
2019
Q3
$26.4M Buy
2,901,988
+665,855
+30% +$5.35M ﹤0.01% 2659
2019
Q2
$17.8M Buy
2,236,133
+404,432
+22% +$4.05M ﹤0.01% 2913
2019
Q1
$22.9M Buy
1,831,701
+109,807
+6% +$1.19M ﹤0.01% 2679
2018
Q4
$18.5M Buy
1,721,894
+1,286,470
+295% +$15M ﹤0.01% 2755
2018
Q3
$6.07M Buy
435,424
+100,154
+30% +$1.28M ﹤0.01% 3443
2018
Q2
$4.1M Buy
335,270
+315,621
+1,606% +$4.95M ﹤0.01% 3546
2018
Q1
$303K Buy
+19,649
New +$327K ﹤0.01% 4127

Other funds holding RCUS

BlackRock's RCUS Position: Q1 2026 in Review

BlackRock increased its Arcus Biosciences (RCUS) stake by 1.5% in Q1 2026, buying an estimated $4.94M and bringing the position to 15,226,475 shares worth $329M. The position accounts for 0.01% of the portfolio, ranked #1380.

BlackRock first reported a position in RCUS in Q1 2018 and has held it in 33 quarters since. The position peaked at $357M in Q4 2025. 210 funds tracked by Wall St. Rank hold RCUS as of Q1 2026.

  • BlackRock held 15,226,475 shares of Arcus Biosciences worth $329M as of Q1 2026.
  • BlackRock bought 228,584 Arcus Biosciences shares in Q1 2026, an estimated $4.94M.
  • Arcus Biosciences made up 0.01% of BlackRock's portfolio in Q1 2026, its #1380 holding.
  • BlackRock first reported a position in Arcus Biosciences in Q1 2018 and has held it in 33 quarters since.
  • BlackRock's Arcus Biosciences position peaked at $357M in Q4 2025.
  • 210 funds tracked by Wall St. Rank held Arcus Biosciences as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.