XT
SNDX icon

XTX Topco’s Syndax Pharmaceuticals SNDX Stock Holding History

XTX Topco’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 		$1.85M Buy
79,007
+60,531
+328% +$1.32M 0.03% 900
2025
Q4 		$388K Sell
18,476
-11,917
-39% -$208K 0.01% 1837
2025
Q3 		$468K Buy
30,393
+18,434
+154% +$241K 0.02% 1130
2025
Q2 		$112K Sell
11,959
-51,767
-81% -$570K ﹤0.01% 1863
2025
Q1 		$783K Buy
+63,726
New +$899K 0.04% 709
2023
Q4 		– Sell
-29,864
Closed -$434K – 2098
2023
Q3 		$434K Buy
+29,864
New +$565K 0.07% 482

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

XTX Topco's SNDX Position: Q1 2026 in Review

XTX Topco increased its Syndax Pharmaceuticals (SNDX) stake by 328% in Q1 2026, buying an estimated $1.32M and bringing the position to 79,007 shares worth $1.85M. The position accounts for 0.03% of the portfolio, ranked #900.

XTX Topco first reported a position in SNDX in Q3 2023 and has held it in 6 quarters since. 246 funds tracked by Wall St. Rank hold SNDX as of Q1 2026.

  • XTX Topco held 79,007 shares of Syndax Pharmaceuticals worth $1.85M as of Q1 2026.
  • XTX Topco bought 60,531 Syndax Pharmaceuticals shares in Q1 2026, an estimated $1.32M.
  • Syndax Pharmaceuticals made up 0.03% of XTX Topco's portfolio in Q1 2026, its #900 holding.
  • XTX Topco first reported a position in Syndax Pharmaceuticals in Q3 2023 and has held it in 6 quarters since.
  • 246 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.