Marshall Wace’s Syndax Pharmaceuticals SNDX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-54,274
Closed -$1.27M 3697
2026
Q1
$1.27M Buy
+54,274
New +$1.18M ﹤0.01% 2017
2025
Q4
Sell
-233,973
Closed -$3.6M 3444
2025
Q3
$3.6M Buy
233,973
+1,850
+0.8% +$24.2K ﹤0.01% 1337
2025
Q2
$2.17M Buy
+232,123
New +$2.55M ﹤0.01% 1515
2025
Q1
Sell
-12,624
Closed -$167K 3060
2024
Q4
$167K Sell
12,624
-977,280
-99% -$16.7M ﹤0.01% 2384
2024
Q3
$19.1M Sell
989,904
-840,523
-46% -$17.4M 0.02% 525
2024
Q2
$37.6M Sell
1,830,427
-201,632
-10% -$4.22M 0.05% 323
2024
Q1
$48.4M Sell
2,032,059
-69,852
-3% -$1.56M 0.07% 264
2023
Q4
$45.4M Buy
2,101,911
+1,497,949
+248% +$23M 0.08% 256
2023
Q3
$8.77M Buy
+603,962
New +$11.4M 0.02% 684
2022
Q3
Sell
-11,637
Closed -$224K 3757
2022
Q2
$224K Sell
11,637
-97,981
-89% -$1.63M ﹤0.01% 3135
2022
Q1
$1.91M Buy
109,618
+97,981
+842% +$1.65M ﹤0.01% 2097
2021
Q4
$254K Hold
11,637
﹤0.01% 3085
2021
Q3
$222K Buy
+11,637
New +$194K ﹤0.01% 2771
2021
Q1
Sell
-191,788
Closed -$4.26M 2823
2020
Q4
$4.26M Buy
+191,788
New +$3.98M 0.02% 627
2020
Q2
Sell
-53,265
Closed -$584K 1909
2020
Q1
$584K Buy
+53,265
New +$500K 0.01% 944

Other funds holding SNDX

Marshall Wace's SNDX Position: Q2 2026 in Review

Marshall Wace sold out of Syndax Pharmaceuticals (SNDX) in Q2 2026, closing a stake of 54,274 shares — an estimated $1.27M sold.

Marshall Wace first reported a position in SNDX in Q1 2020 and held it in 15 quarters. The position peaked at $48.4M in Q1 2024. 243 funds tracked by Wall St. Rank hold SNDX as of Q2 2026.

  • Marshall Wace reported no remaining Syndax Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 54,274 Syndax Pharmaceuticals shares in Q2 2026, an estimated $1.27M.
  • Marshall Wace first reported a position in Syndax Pharmaceuticals in Q1 2020 and held it in 15 quarters.
  • Marshall Wace's Syndax Pharmaceuticals position peaked at $48.4M in Q1 2024.
  • 243 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.