Massachusetts Financial Services
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Massachusetts Financial Services’s Arcus Biosciences RCUS Stock Holding History

Massachusetts Financial Services’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 		$489K Sell
22,617
-599
-3% -$12.9K ﹤0.01% 897
2025
Q4 		$553K Sell
23,216
-769
-3% -$15.7K ﹤0.01% 867
2025
Q3 		$326K Buy
23,985
+1,577
+7% +$16.4K ﹤0.01% 842
2025
Q2 		$182K Sell
22,408
-54,386
-71% -$465K ﹤0.01% 874
2025
Q1 		$603K Sell
76,794
-1,750
-2% -$20.3K ﹤0.01% 838
2024
Q4 		$1.17M Sell
78,544
-2,345
-3% -$38.3K ﹤0.01% 808
2024
Q3 		$1.24M Buy
80,889
+22,716
+39% +$358K ﹤0.01% 781
2024
Q2 		$886K Buy
58,173
+1,951
+3% +$31.5K ﹤0.01% 805
2024
Q1 		$1.06M Sell
56,222
-124
-0.2% -$2.14K ﹤0.01% 784
2023
Q4 		$1.08M Sell
56,346
-1,780
-3% -$28.4K ﹤0.01% 769
2023
Q3 		$1.04M Sell
58,126
-2,227
-4% -$44.7K ﹤0.01% 762
2023
Q2 		$1.23M Sell
60,353
-1,422
-2% -$27.1K ﹤0.01% 737
2023
Q1 		$1.13M Buy
+61,775
New +$1.18M ﹤0.01% 750

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

Massachusetts Financial Services's RCUS Position: Q1 2026 in Review

Massachusetts Financial Services reduced its Arcus Biosciences (RCUS) stake by 2.6% in Q1 2026, selling an estimated $12.9K and leaving 22,617 shares worth $489K. The position accounts for ﹤0.01% of the portfolio, ranked #897.

Massachusetts Financial Services first reported a position in RCUS in Q1 2023 and has held it in 13 quarters since. The position peaked at $1.24M in Q3 2024. 210 funds tracked by Wall St. Rank hold RCUS as of Q1 2026.

  • Massachusetts Financial Services held 22,617 shares of Arcus Biosciences worth $489K as of Q1 2026.
  • Massachusetts Financial Services sold 599 Arcus Biosciences shares in Q1 2026, an estimated $12.9K.
  • Arcus Biosciences made up ﹤0.01% of Massachusetts Financial Services's portfolio in Q1 2026, its #897 holding.
  • Massachusetts Financial Services first reported a position in Arcus Biosciences in Q1 2023 and has held it in 13 quarters since.
  • Massachusetts Financial Services's Arcus Biosciences position peaked at $1.24M in Q3 2024.
  • 210 funds tracked by Wall St. Rank held Arcus Biosciences as of Q1 2026.

Based on Massachusetts Financial Services's 13F filing for Q1 2026, filed 14 May 2026.