Palo Alto Investors’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
Q1
$20.2M Buy
864,986
+70,479
+9% +$1.53M 3.09% 12
2025
Q4
$16.7M Buy
794,507
+139,577
+21% +$2.44M 2.32% 13
2025
Q3
$10.1M Buy
654,930
+210,563
+47% +$2.76M 1.86% 18
2025
Q2
$4.16M Hold
444,367
0.89% 20
2025
Q1
$5.46M Buy
444,367
+39,174
+10% +$553K 1.04% 20
2024
Q4
$5.36M Hold
405,193
0.83% 20
2024
Q3
$7.8M Hold
405,193
1.01% 20
2024
Q2
$8.32M Hold
405,193
0.96% 19
2024
Q1
$9.64M Sell
405,193
-67,407
-14% -$1.5M 1.09% 20
2023
Q4
$10.2M Hold
472,600
0.92% 19
2023
Q3
$6.86M Sell
472,600
-140,000
-23% -$2.65M 0.65% 19
2023
Q2
$12.8M Hold
612,600
1.04% 15
2023
Q1
$12.9M Hold
612,600
1.07% 15
2022
Q4
$15.6M Hold
612,600
1.33% 14
2022
Q3
$14.7M Hold
612,600
1.16% 15
2022
Q2
$11.8M Hold
612,600
1.03% 17
2022
Q1
$10.6M Buy
612,600
+13,700
+2% +$231K 0.82% 20
2021
Q4
$13.1M Buy
598,900
+154,000
+35% +$2.85M 0.84% 21
2021
Q3
$8.5M Buy
444,900
+43,800
+11% +$730K 0.51% 25
2021
Q2
$6.89M Buy
401,100
+136,900
+52% +$2.51M 0.38% 25
2021
Q1
$5.91M Hold
264,200
0.34% 26
2020
Q4
$5.88M Buy
264,200
+65,800
+33% +$1.36M 0.31% 24
2020
Q3
$2.93M Buy
198,400
+70,700
+55% +$1.08M 0.16% 27
2020
Q2
$1.89M Buy
127,700
+61,600
+93% +$938K 0.11% 29
2020
Q1
$725K Buy
+66,100
New +$620K 0.06% 29

Other funds holding SNDX

Palo Alto Investors's SNDX Position: Q1 2026 in Review

Palo Alto Investors increased its Syndax Pharmaceuticals (SNDX) stake by 8.9% in Q1 2026, buying an estimated $1.53M and bringing the position to 864,986 shares worth $20.2M. The position accounts for 3.09% of the portfolio, ranked #12.

Palo Alto Investors first reported a position in SNDX in Q1 2020 and has held it in 25 quarters since. 247 funds tracked by Wall St. Rank hold SNDX as of Q1 2026.

  • Palo Alto Investors held 864,986 shares of Syndax Pharmaceuticals worth $20.2M as of Q1 2026.
  • Palo Alto Investors bought 70,479 Syndax Pharmaceuticals shares in Q1 2026, an estimated $1.53M.
  • Syndax Pharmaceuticals made up 3.09% of Palo Alto Investors's portfolio in Q1 2026, its #12 holding.
  • Palo Alto Investors first reported a position in Syndax Pharmaceuticals in Q1 2020 and has held it in 25 quarters since.
  • 247 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q1 2026.

Based on Palo Alto Investors's 13F filing for Q1 2026, filed 15 May 2026.