Marshall Wace
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Marshall Wace’s Syndax Pharmaceuticals SNDX Stock Holding History

Marshall Wace’s Portfolio SNDX Stock Details SNDX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
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

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
EP
Eversept Partners New York $1.9B AUM 121.13% 1-Year Est. Return
KCM
Kingdon Capital Management New York $911M AUM 51.11% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return

Marshall Wace's SNDX Position: Q1 2026 in Review

Marshall Wace opened a new position in Syndax Pharmaceuticals (SNDX) in Q1 2026: 54,274 shares worth $1.27M. The stake represents ﹤0.01% of the portfolio and ranks #2017 among its holdings. This is a return to the name: Marshall Wace previously reported a position in SNDX as recently as Q3 2025.

Marshall Wace first reported a position in SNDX in Q1 2020 and has held it in 15 quarters since. The position peaked at $48.4M in Q1 2024. 246 funds tracked by Wall St. Rank hold SNDX as of Q1 2026.

  • Marshall Wace held 54,274 shares of Syndax Pharmaceuticals worth $1.27M as of Q1 2026.
  • Syndax Pharmaceuticals was a new Marshall Wace position in Q1 2026.
  • Syndax Pharmaceuticals made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2017 holding.
  • Marshall Wace first reported a position in Syndax Pharmaceuticals in Q1 2020 and has held it in 15 quarters since.
  • Marshall Wace's Syndax Pharmaceuticals position peaked at $48.4M in Q1 2024.
  • 246 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q1 2026.

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