Citadel Advisors’s Cullinan Oncology CGEM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$563K Sell
39,600
-42,800
-52% -$550K ﹤0.01% 9016
2025
Q4
$853K Buy
+82,400
New +$743K ﹤0.01% 7761
2025
Q2
Sell
-4,600
Closed -$34.8K 12758
2025
Q1
$34.8K Sell
4,600
-17,000
-79% -$163K ﹤0.01% 12668
2024
Q4
$263K Sell
21,600
-19,000
-47% -$273K ﹤0.01% 9922
2024
Q3
$680K Buy
40,600
+6,500
+19% +$115K ﹤0.01% 7609
2024
Q2
$595K Buy
34,100
+21,500
+171% +$458K ﹤0.01% 7690
2024
Q1
$215K Buy
12,600
+4,400
+54% +$68K ﹤0.01% 10169
2023
Q4
$83.6K Buy
8,200
+1,500
+22% +$13.3K ﹤0.01% 11160
2023
Q3
$60.6K Buy
6,700
+3,600
+116% +$37.5K ﹤0.01% 11516
2023
Q2
$33.4K Buy
3,100
+300
+11% +$3.19K ﹤0.01% 12247
2023
Q1
$28.6K Buy
2,800
+1,600
+133% +$17.6K ﹤0.01% 12779
2022
Q4
$12.7K Sell
1,200
-25,200
-95% -$306K ﹤0.01% 13493
2022
Q3
$338K Sell
26,400
-1,000
-4% -$13.5K ﹤0.01% 9307
2022
Q2
$351K Sell
27,400
-101,900
-79% -$1.16M ﹤0.01% 9452
2022
Q1
$1.35M Buy
+129,300
New +$1.75M ﹤0.01% 6972

Other funds holding CGEM

Citadel Advisors's CGEM Position: Q1 2026 in Review

Citadel Advisors increased its Cullinan Oncology (CGEM) stake by 129% in Q1 2026, buying an estimated $1.83M and bringing the position to 252,778 shares worth $3.59M. The position accounts for ﹤0.01% of the portfolio, ranked #4917.

Citadel Advisors first reported a position in CGEM in Q1 2021 and has held it in 21 quarters since. The position peaked at $33.9M in Q2 2024. 174 funds tracked by Wall St. Rank hold CGEM as of Q1 2026.

  • Citadel Advisors held 252,778 shares of Cullinan Oncology worth $3.59M as of Q1 2026.
  • Citadel Advisors bought 142,461 Cullinan Oncology shares in Q1 2026, an estimated $1.83M.
  • Cullinan Oncology made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4917 holding.
  • Citadel Advisors first reported a position in Cullinan Oncology in Q1 2021 and has held it in 21 quarters since.
  • Citadel Advisors's Cullinan Oncology position peaked at $33.9M in Q2 2024.
  • 174 funds tracked by Wall St. Rank held Cullinan Oncology as of Q1 2026.

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