Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-44,313
Closed -$4.17M 3277
2025
Q3
$4.17M Buy
44,313
+31,946
+258% +$2.08M ﹤0.01% 1255
2025
Q2
$651K Sell
12,367
-247,407
-95% -$11.6M ﹤0.01% 2044
2025
Q1
$10.9M Sell
259,774
-602,315
-70% -$26.3M 0.01% 740
2024
Q4
$36.3M Sell
862,089
-260,014
-23% -$12.5M 0.04% 362
2024
Q3
$56.1M Buy
1,122,103
+164,151
+17% +$8.57M 0.07% 252
2024
Q2
$56.7M Buy
957,952
+853,060
+813% +$41.3M 0.08% 240
2024
Q1
$4.72M Buy
+104,892
New +$4.25M 0.01% 1022
2023
Q4
Sell
-22,500
Closed -$531K 2458
2023
Q3
$531K Sell
22,500
-8,600
-28% -$209K ﹤0.01% 1705
2023
Q2
$819K Hold
31,100
﹤0.01% 1803
2023
Q1
$572K Hold
31,100
﹤0.01% 2043
2022
Q4
$481K Sell
31,100
-197,033
-86% -$3.47M ﹤0.01% 2390
2022
Q3
$4.57M Buy
+228,133
New +$5.44M 0.01% 1425
2021
Q3
Sell
-82,520
Closed -$1.74M 3274
2021
Q2
$1.74M Buy
+82,520
New +$1.82M 0.01% 1499
2020
Q1
Sell
-15,896
Closed -$224K 1909
2019
Q4
$224K Buy
+15,896
New +$256K ﹤0.01% 1320

Other funds holding MRUS

Marshall Wace's MRUS Position: Q4 2025 in Review

Marshall Wace sold out of Merus (MRUS) in Q4 2025, closing a stake of 44,313 shares — an estimated $4.17M sold.

Marshall Wace first reported a position in MRUS in Q4 2019 and held it in 14 quarters. The position peaked at $56.7M in Q2 2024. 10 funds tracked by Wall St. Rank hold MRUS as of Q4 2025.

  • Marshall Wace reported no remaining Merus position as of Q4 2025 after selling out during the quarter.
  • Marshall Wace sold 44,313 Merus shares in Q4 2025, an estimated $4.17M.
  • Marshall Wace first reported a position in Merus in Q4 2019 and held it in 14 quarters.
  • Marshall Wace's Merus position peaked at $56.7M in Q2 2024.
  • 10 funds tracked by Wall St. Rank held Merus as of Q4 2025.

Based on Marshall Wace's 13F filing for Q4 2025, filed 13 Feb 2026.