Marshall Wace’s Avidity Biosciences RNAM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-212,581
Closed -$15.3M 3616
2025
Q4
$15.3M Sell
212,581
-427,003
-67% -$27.6M 0.01% 726
2025
Q3
$27.9M Buy
639,584
+579,361
+962% +$23.4M 0.03% 519
2025
Q2
$1.71M Sell
60,223
-394,972
-87% -$11.8M ﹤0.01% 1634
2025
Q1
$13.4M Buy
455,195
+292,332
+179% +$9.1M 0.02% 662
2024
Q4
$4.74M Sell
162,863
-19,342
-11% -$808K 0.01% 1091
2024
Q3
$8.37M Buy
182,205
+70,435
+63% +$3.06M 0.01% 822
2024
Q2
$4.57M Buy
111,770
+9,906
+10% +$284K 0.01% 1033
2024
Q1
$2.6M Sell
101,864
-95,852
-48% -$1.5M ﹤0.01% 1243
2023
Q4
$1.79M Buy
+197,716
New +$1.32M ﹤0.01% 1267
2022
Q3
Sell
-264,588
Closed -$3.85M 3724
2022
Q2
$3.85M Hold
264,588
0.01% 1547
2022
Q1
$4.89M Hold
264,588
0.01% 1387
2021
Q4
$6.29M Buy
264,588
+249,755
+1,684% +$5.96M 0.01% 1187
2021
Q3
$365K Hold
14,833
﹤0.01% 2556
2021
Q2
$367K Buy
+14,833
New +$345K ﹤0.01% 2258

Other funds holding RNAM

Marshall Wace's RNAM Position: Q1 2026 in Review

Marshall Wace sold out of Avidity Biosciences (RNAM) in Q1 2026, closing a stake of 212,581 shares — an estimated $15.3M sold.

Marshall Wace first reported a position in RNAM in Q2 2021 and held it in 14 quarters. The position peaked at $27.9M in Q3 2025. 1 fund tracked by Wall St. Rank holds RNAM as of Q1 2026.

  • Marshall Wace reported no remaining Avidity Biosciences position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 212,581 Avidity Biosciences shares in Q1 2026, an estimated $15.3M.
  • Marshall Wace first reported a position in Avidity Biosciences in Q2 2021 and held it in 14 quarters.
  • Marshall Wace's Avidity Biosciences position peaked at $27.9M in Q3 2025.
  • 1 fund tracked by Wall St. Rank held Avidity Biosciences as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.