Citadel Advisors’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
$1.69M Sell
72,400
-64,800
-47% -$1.41M ﹤0.01% 6462
2025
Q4
$2.88M Buy
137,200
+29,600
+28% +$516K ﹤0.01% 5239
2025
Q3
$1.66M Buy
107,600
+28,800
+37% +$377K ﹤0.01% 6459
2025
Q2
$738K Sell
78,800
-8,000
-9% -$88.1K ﹤0.01% 7734
2025
Q1
$1.07M Sell
86,800
-40,100
-32% -$566K ﹤0.01% 6821
2024
Q4
$1.68M Buy
126,900
+88,900
+234% +$1.52M ﹤0.01% 5986
2024
Q3
$732K Buy
38,000
+13,000
+52% +$269K ﹤0.01% 7459
2024
Q2
$513K Sell
25,000
-13,100
-34% -$274K ﹤0.01% 7988
2024
Q1
$907K Sell
38,100
-500
-1% -$11.2K ﹤0.01% 7122
2023
Q4
$834K Sell
38,600
-122,100
-76% -$1.88M ﹤0.01% 7037
2023
Q3
$2.33M Buy
160,700
+159,300
+11,379% +$3.01M ﹤0.01% 4934
2023
Q2
$29.3K Sell
1,400
-1,600
-53% -$33.3K ﹤0.01% 12376
2023
Q1
$63.4K Sell
3,000
-46,000
-94% -$1.14M ﹤0.01% 11853
2022
Q4
$1.25M Sell
49,000
-42,900
-47% -$1M ﹤0.01% 6388
2022
Q3
$2.21M Sell
91,900
-5,400
-6% -$121K ﹤0.01% 5403
2022
Q2
$1.87M Buy
97,300
+44,200
+83% +$736K ﹤0.01% 5669
2022
Q1
$923K Buy
53,100
+41,600
+362% +$700K ﹤0.01% 7895
2021
Q4
$252K Sell
11,500
-5,800
-34% -$107K ﹤0.01% 11335
2021
Q3
$331K Sell
17,300
-18,800
-52% -$313K ﹤0.01% 10854
2021
Q2
$620K Buy
36,100
+24,500
+211% +$449K ﹤0.01% 9536
2021
Q1
$259K Sell
11,600
-6,000
-34% -$136K ﹤0.01% 11167
2020
Q4
$391K Sell
17,600
-13,300
-43% -$276K ﹤0.01% 8613
2020
Q3
$456K Sell
30,900
-21,600
-41% -$329K ﹤0.01% 7465
2020
Q2
$778K Buy
52,500
+26,600
+103% +$405K ﹤0.01% 6289
2020
Q1
$284K Buy
25,900
+12,700
+96% +$119K ﹤0.01% 7438
2019
Q4
$116K Buy
13,200
+1,200
+10% +$8.81K ﹤0.01% 8488
2019
Q3
$90K Sell
12,000
-1,000
-8% -$9.11K ﹤0.01% 8534
2019
Q2
$121K Sell
13,000
-7,500
-37% -$54.7K ﹤0.01% 8464
2019
Q1
$108K Sell
20,500
-12,600
-38% -$71.9K ﹤0.01% 8524
2018
Q4
$147K Buy
+33,100
New +$181K ﹤0.01% 8071
2018
Q3
Sell
-10,400
Closed -$73K 9657
2018
Q2
$73K Buy
+10,400
New +$102K ﹤0.01% 8353

Other funds holding SNDX

Citadel Advisors's SNDX Position: Q1 2026 in Review

Citadel Advisors increased its Syndax Pharmaceuticals (SNDX) stake by 243% in Q1 2026, buying an estimated $9.71M and bringing the position to 630,942 shares worth $14.7M. The position accounts for ﹤0.01% of the portfolio, ranked #2707.

Citadel Advisors first reported a position in SNDX in Q2 2018 and has held it in 29 quarters since. The position peaked at $49.9M in Q1 2021. 246 funds tracked by Wall St. Rank hold SNDX as of Q1 2026.

  • Citadel Advisors held 630,942 shares of Syndax Pharmaceuticals worth $14.7M as of Q1 2026.
  • Citadel Advisors bought 446,939 Syndax Pharmaceuticals shares in Q1 2026, an estimated $9.71M.
  • Syndax Pharmaceuticals made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2707 holding.
  • Citadel Advisors first reported a position in Syndax Pharmaceuticals in Q2 2018 and has held it in 29 quarters since.
  • Citadel Advisors's Syndax Pharmaceuticals position peaked at $49.9M in Q1 2021.
  • 246 funds tracked by Wall St. Rank held Syndax Pharmaceuticals as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.