AllianceBernstein
YMAB

AllianceBernstein’s Y-mAbs Therapeutics YMAB Stock Holding History

AllianceBernstein’s Portfolio YMAB Stock Details YMAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-59,380
Closed -$268K – 3308
2025
Q2 		$268K Buy
59,380
+4,600
+8% +$20.7K ﹤0.01% 2967
2025
Q1 		$243K Hold
54,780
– – ﹤0.01% 2858
2024
Q4 		$429K Hold
54,780
– – ﹤0.01% 2705
2024
Q3 		$720K Sell
54,780
-3,360
-6% -$42.6K ﹤0.01% 2477
2024
Q2 		$702K Sell
58,140
-3,780
-6% -$51K ﹤0.01% 2479
2024
Q1 		$1.01M Sell
61,920
-810
-1% -$10.9K ﹤0.01% 2262
2023
Q4 		$428K Sell
62,730
-14,559
-19% -$84.2K ﹤0.01% 2685
2023
Q3 		$421K Sell
77,289
-89,700
-54% -$522K ﹤0.01% 2654
2023
Q2 		$1.13M Buy
166,989
+11,350
+7% +$85.1K ﹤0.01% 2213
2023
Q1 		$780K Hold
155,639
– – ﹤0.01% 2343
2022
Q4 		$760K Sell
155,639
-1,994,425
-93% -$14.5M ﹤0.01% 2412
2022
Q3 		$31M Sell
2,150,064
-665,801
-24% -$11M 0.02% 698
2022
Q2 		$42.6M Sell
2,815,865
-153,294
-5% -$1.79M 0.02% 606
2022
Q1 		$35.3M Buy
2,969,159
+1,026,825
+53% +$10.5M 0.01% 712
2021
Q4 		$31.5M Buy
1,942,334
+524,525
+37% +$11.2M 0.01% 779
2021
Q3 		$40.5M Buy
1,417,809
+69,213
+5% +$2.18M 0.02% 683
2021
Q2 		$45.6M Buy
1,348,596
+117,258
+10% +$3.76M 0.02% 648
2021
Q1 		$37.2M Buy
1,231,338
+221,019
+22% +$9.06M 0.02% 703
2020
Q4 		$50M Buy
1,010,319
+50,803
+5% +$2.35M 0.02% 585
2020
Q3 		$36.8M Buy
959,516
+72,119
+8% +$2.87M 0.02% 625
2020
Q2 		$38.3M Sell
887,397
-50,332
-5% -$1.9M 0.02% 593
2020
Q1 		$24.5M Buy
937,729
+93,265
+11% +$2.71M 0.02% 628
2019
Q4 		$26.4M Buy
844,464
+78,763
+10% +$2.33M 0.02% 731
2019
Q3 		$20M Buy
765,701
+21,546
+3% +$550K 0.01% 792
2019
Q2 		$17M Buy
744,155
+80,149
+12% +$1.84M 0.01% 851
2019
Q1 		$17.4M Buy
664,006
+107,668
+19% +$2.36M 0.01% 840
2018
Q4 		$11.3M Buy
556,338
+231,348
+71% +$5.31M 0.01% 938
2018
Q3 		$8.63M Buy
+324,990
New +$8.26M 0.01% 1022

Other funds holding YMAB

BIG
Brooklyn Investment Group Brooklyn, New York $3.2B AUM 26.32% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

AllianceBernstein's YMAB Position: Q3 2025 in Review

AllianceBernstein sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 59,380 shares — an estimated $268K sold.

AllianceBernstein first reported a position in YMAB in Q3 2018 and held it in 28 quarters. The position peaked at $50M in Q4 2020. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.

  • AllianceBernstein reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
  • AllianceBernstein sold 59,380 Y-mAbs Therapeutics shares in Q3 2025, an estimated $268K.
  • AllianceBernstein first reported a position in Y-mAbs Therapeutics in Q3 2018 and held it in 28 quarters.
  • AllianceBernstein's Y-mAbs Therapeutics position peaked at $50M in Q4 2020.
  • 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.

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