UBS O'Connor’s Syndax Pharmaceuticals SNDX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-100,000
Closed -$25K 447
2024
Q4
$25K Buy
+100,000
New +$1.71M ﹤0.01% 379

Other funds holding SNDX

UBS O'Connor's SNDX Position: Q3 2025 in Review

UBS O'Connor sold out of Syndax Pharmaceuticals (SNDX) in Q3 2025, closing a stake of 90,441 shares — an estimated $847K sold.

UBS O'Connor first reported a position in SNDX in Q4 2023 and held it in 7 quarters. The position peaked at $2.58M in Q1 2024. 227 funds tracked by Wall St. Rank hold SNDX as of Q3 2025.

  • UBS O'Connor reported no remaining Syndax Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 90,441 Syndax Pharmaceuticals shares in Q3 2025, an estimated $847K.
  • UBS O'Connor first reported a position in Syndax Pharmaceuticals in Q4 2023 and held it in 7 quarters.
  • UBS O'Connor's Syndax Pharmaceuticals position peaked at $2.58M in Q1 2024.
  • 227 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.