XTX Topco’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
$1.29M Sell
59,164
-19,843
-25% -$413K 0.02% 1546
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

XTX Topco's SNDX Position: Q2 2026 in Review

XTX Topco reduced its Syndax Pharmaceuticals (SNDX) stake by 25% in Q2 2026, selling an estimated $413K and leaving 59,164 shares worth $1.29M. The position accounts for 0.02% of the portfolio, ranked #1546.

XTX Topco first reported a position in SNDX in Q3 2023 and has held it in 7 quarters since. The position peaked at $1.85M in Q1 2026. 242 funds tracked by Wall St. Rank hold SNDX as of Q2 2026.

  • XTX Topco held 59,164 shares of Syndax Pharmaceuticals worth $1.29M as of Q2 2026.
  • XTX Topco sold 19,843 Syndax Pharmaceuticals shares in Q2 2026, an estimated $413K.
  • Syndax Pharmaceuticals made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1546 holding.
  • XTX Topco first reported a position in Syndax Pharmaceuticals in Q3 2023 and has held it in 7 quarters since.
  • XTX Topco's Syndax Pharmaceuticals position peaked at $1.85M in Q1 2026.
  • 242 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.