Citadel Advisors’s Y-mAbs Therapeutics YMAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-207,642
Closed -$936K 14316
2025
Q2
$936K Buy
207,642
+53,687
+35% +$241K ﹤0.01% 7249
2025
Q1
$682K Sell
153,955
-67,959
-31% -$395K ﹤0.01% 7795
2024
Q4
$1.74M Sell
221,914
-52,633
-19% -$641K ﹤0.01% 5924
2024
Q3
$3.61M Buy
274,547
+12,803
+5% +$162K ﹤0.01% 4473
2024
Q2
$3.16M Buy
261,744
+143,443
+121% +$1.94M ﹤0.01% 4488
2024
Q1
$1.92M Sell
118,301
-19,199
-14% -$259K ﹤0.01% 5604
2023
Q4
$938K Sell
137,500
-276,807
-67% -$1.6M ﹤0.01% 6801
2023
Q3
$2.26M Buy
414,307
+382,794
+1,215% +$2.23M ﹤0.01% 5006
2023
Q2
$214K Sell
31,513
-274,197
-90% -$2.05M ﹤0.01% 9732
2023
Q1
$1.53M Sell
305,710
-654,711
-68% -$2.67M ﹤0.01% 5874
2022
Q4
$4.69M Buy
960,421
+869,961
+962% +$6.32M ﹤0.01% 3964
2022
Q3
$1.3M Buy
+90,460
New +$1.5M ﹤0.01% 6436
2022
Q2
Sell
-26,927
Closed -$314K 14264
2022
Q1
$320K Sell
26,927
-98,771
-79% -$1.01M ﹤0.01% 10453
2021
Q4
$2.04M Buy
125,698
+21,183
+20% +$453K ﹤0.01% 6186
2021
Q3
$2.98M Sell
104,515
-70,670
-40% -$2.23M ﹤0.01% 5375
2021
Q2
$5.92M Buy
175,185
+83,790
+92% +$2.69M ﹤0.01% 4083
2021
Q1
$2.76M Sell
91,395
-24,074
-21% -$987K ﹤0.01% 5636
2020
Q4
$5.72M Buy
115,469
+106,301
+1,159% +$4.92M ﹤0.01% 3470
2020
Q3
$352K Sell
9,168
-3,832
-29% -$153K ﹤0.01% 7873
2020
Q2
$561K Sell
13,000
-24,913
-66% -$942K ﹤0.01% 6867
2020
Q1
$990K Sell
37,913
-32,415
-46% -$941K ﹤0.01% 5352
2019
Q4
$2.2M Buy
+70,328
New +$2.08M ﹤0.01% 4262

Other funds holding YMAB

Citadel Advisors's YMAB Position: Q3 2025 in Review

Citadel Advisors sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 207,642 shares — an estimated $936K sold.

Citadel Advisors first reported a position in YMAB in Q4 2019 and held it in 22 quarters. The position peaked at $5.92M in Q2 2021. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.

  • Citadel Advisors reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Citadel Advisors sold 207,642 Y-mAbs Therapeutics shares in Q3 2025, an estimated $936K.
  • Citadel Advisors first reported a position in Y-mAbs Therapeutics in Q4 2019 and held it in 22 quarters.
  • Citadel Advisors's Y-mAbs Therapeutics position peaked at $5.92M in Q2 2021.
  • 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.

Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.