Millennium Management’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 |
-139,955
| Closed | -$631K | – | 6531 |
|
|
2025
Q2 | $631K | Sell |
139,955
-326,665
| -70% | -$1.47M | ﹤0.01% | 4736 |
|
|
2025
Q1 | $2.07M | Buy |
466,620
+431,173
| +1,216% | +$2.5M | ﹤0.01% | 3754 |
|
|
2024
Q4 | $278K | Sell |
35,447
-36,139
| -50% | -$440K | ﹤0.01% | 5115 |
|
|
2024
Q3 | $941K | Sell |
71,586
-278,198
| -80% | -$3.53M | ﹤0.01% | 4331 |
|
|
2024
Q2 | $4.23M | Buy |
349,784
+67,233
| +24% | +$908K | ﹤0.01% | 2876 |
|
|
2024
Q1 | $4.59M | Buy |
282,551
+261,490
| +1,242% | +$3.52M | ﹤0.01% | 2943 |
|
|
2023
Q4 | $144K | Sell |
21,061
-325,855
| -94% | -$1.88M | ﹤0.01% | 5258 |
|
|
2023
Q3 | $1.89M | Buy |
346,916
+17,347
| +5% | +$101K | ﹤0.01% | 3601 |
|
|
2023
Q2 | $2.24M | Sell |
329,569
-293,522
| -47% | -$2.2M | ﹤0.01% | 3375 |
|
|
2023
Q1 | $3.12M | Sell |
623,091
-505,611
| -45% | -$2.06M | ﹤0.01% | 3017 |
|
|
2022
Q4 | $5.51M | Buy |
1,128,702
+1,105,069
| +4,676% | +$8.03M | ﹤0.01% | 2731 |
|
|
2022
Q3 | $341K | Sell |
23,633
-58,144
| -71% | -$963K | ﹤0.01% | 5265 |
|
|
2022
Q2 | $1.24M | Buy |
+81,777
| New | +$954K | ﹤0.01% | 4186 |
|
|
2022
Q1 | – | Sell |
-12,613
| Closed | -$204K | – | 7576 |
|
|
2021
Q4 | $204K | Buy |
+12,613
| New | +$270K | ﹤0.01% | 5895 |
|
|
2021
Q2 | – | Sell |
-284,888
| Closed | -$8.62M | – | 7199 |
|
|
2021
Q1 | $8.62M | Buy |
284,888
+179,831
| +171% | +$7.37M | 0.01% | 1950 |
|
|
2020
Q4 | $5.2M | Buy |
105,057
+8,689
| +9% | +$402K | ﹤0.01% | 2395 |
|
|
2020
Q3 | $3.7K | Sell |
96,368
-8,352
| -8% | -$332K | ﹤0.01% | 2090 |
|
|
2020
Q2 | $4.52M | Sell |
104,720
-39,653
| -27% | -$1.5M | 0.01% | 1862 |
|
|
2020
Q1 | $3.77M | Sell |
144,373
-244,922
| -63% | -$7.11M | 0.01% | 1544 |
|
|
2019
Q4 | $12.2M | Buy |
389,295
+204,489
| +111% | +$6.05M | 0.02% | 1217 |
|
|
2019
Q3 | $4.82M | Sell |
184,806
-217,687
| -54% | -$5.56M | 0.01% | 1842 |
|
|
2019
Q2 | $9.21M | Buy |
402,493
+116,967
| +41% | +$2.69M | 0.01% | 1323 |
|
|
2019
Q1 | $7.48M | Sell |
285,526
-101,393
| -26% | -$2.23M | 0.01% | 1474 |
|
|
2018
Q4 | $7.87M | Buy |
386,919
+67,013
| +21% | +$1.54M | 0.01% | 1275 |
|
|
2018
Q3 | $8.5M | Buy |
+319,906
| New | +$8.13M | 0.01% | 1424 |
|
Other funds holding YMAB
Millennium Management's YMAB Position: Q3 2025 in Review
Millennium Management sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 139,955 shares — an estimated $631K sold.
Millennium Management first reported a position in YMAB in Q3 2018 and held it in 25 quarters. The position peaked at $12.2M in Q4 2019. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.
- Millennium Management reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
- Millennium Management sold 139,955 Y-mAbs Therapeutics shares in Q3 2025, an estimated $631K.
- Millennium Management first reported a position in Y-mAbs Therapeutics in Q3 2018 and held it in 25 quarters.
- Millennium Management's Y-mAbs Therapeutics position peaked at $12.2M in Q4 2019.
- 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.
Based on Millennium Management's 13F filing for Q3 2025, filed 14 Nov 2025.