Morgan Stanley’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
-292,567
Closed -$1.32M 8406
2025
Q2
$1.32M Sell
292,567
-207,594
-42% -$933K ﹤0.01% 4963
2025
Q1
$2.22M Buy
500,161
+179,354
+56% +$1.04M ﹤0.01% 4539
2024
Q4
$2.51M Buy
320,807
+72,085
+29% +$878K ﹤0.01% 4549
2024
Q3
$3.27M Buy
248,722
+45,582
+22% +$578K ﹤0.01% 4296
2024
Q2
$2.45M Buy
203,140
+15,043
+8% +$203K ﹤0.01% 4421
2024
Q1
$3.06M Sell
188,097
-302,193
-62% -$4.07M ﹤0.01% 4305
2023
Q4
$3.34M Buy
490,290
+382,416
+355% +$2.21M ﹤0.01% 4642
2023
Q3
$588K Sell
107,874
-22,748
-17% -$132K ﹤0.01% 5098
2023
Q2
$887K Sell
130,622
-119,827
-48% -$898K ﹤0.01% 4901
2023
Q1
$1.25M Sell
250,449
-43,514
-15% -$178K ﹤0.01% 4731
2022
Q4
$1.43M Buy
293,963
+38,471
+15% +$279K ﹤0.01% 4665
2022
Q3
$3.68M Sell
255,492
-118,664
-32% -$1.97M ﹤0.01% 3944
2022
Q2
$5.66M Sell
374,156
-167,405
-31% -$1.95M ﹤0.01% 3653
2022
Q1
$6.43M Buy
541,561
+251,177
+86% +$2.58M ﹤0.01% 3403
2021
Q4
$4.71M Buy
290,384
+206,378
+246% +$4.41M ﹤0.01% 3783
2021
Q3
$2.4M Sell
84,006
-8,160
-9% -$257K ﹤0.01% 4415
2021
Q2
$3.11M Sell
92,166
-122,270
-57% -$3.92M ﹤0.01% 4251
2021
Q1
$6.48M Buy
214,436
+82,151
+62% +$3.37M ﹤0.01% 3139
2020
Q4
$6.55M Buy
132,285
+56,893
+75% +$2.63M ﹤0.01% 2970
2020
Q3
$2.89M Sell
75,392
-6,559
-8% -$261K ﹤0.01% 3296
2020
Q2
$3.54M Buy
81,951
+76,700
+1,461% +$2.9M ﹤0.01% 3029
2020
Q1
$137K Sell
5,251
-241,850
-98% -$7.02M ﹤0.01% 5048
2019
Q4
$7.72M Buy
247,101
+116,105
+89% +$3.44M ﹤0.01% 2703
2019
Q3
$3.41M Buy
130,996
+130,718
+47,021% +$3.34M ﹤0.01% 3294
2019
Q2
$6K Sell
278
-1,104
-80% -$25.4K ﹤0.01% 6282
2019
Q1
$37K Sell
1,382
-9,584
-87% -$210K ﹤0.01% 5801
2018
Q4
$223K Buy
10,966
+10,866
+10,866% +$250K ﹤0.01% 5235
2018
Q3
$3K Buy
+100
New +$2.54K ﹤0.01% 6525

Other funds holding YMAB

Morgan Stanley's YMAB Position: Q3 2025 in Review

Morgan Stanley sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 292,567 shares — an estimated $1.32M sold.

Morgan Stanley first reported a position in YMAB in Q3 2018 and held it in 28 quarters. The position peaked at $7.72M in Q4 2019. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.

  • Morgan Stanley reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Morgan Stanley sold 292,567 Y-mAbs Therapeutics shares in Q3 2025, an estimated $1.32M.
  • Morgan Stanley first reported a position in Y-mAbs Therapeutics in Q3 2018 and held it in 28 quarters.
  • Morgan Stanley's Y-mAbs Therapeutics position peaked at $7.72M in Q4 2019.
  • 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.

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