YMAB
Y-mAbs Therapeutics
YMAB
YMAB
Delisted
YMAB was delisted on the 15th of September, 2025.
81 hedge funds and large institutions have $606M invested in Y-mAbs Therapeutics in 2019 Q4 according to their latest regulatory filings, with 28 funds opening new positions, 38 increasing their positions, 9 reducing their positions, and 7 closing their positions.
New
Increased
Maintained
Reduced
Closed
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more capital invested
Capital invested by funds: $ → $
25% more funds holding
Funds holding: 65 → 81 (+16)
10.41% more ownership
Funds ownership: 38.43% → 48.84% (+10%)
Holders
81
Holding in Top 10
3
Calls
–
Puts
–
Top Buyers
| 1 | +$63.9M | |
| 2 | +$22.5M | |
| 3 | +$21.5M | |
| 4 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
+$17M |
| 5 |
State Street
Boston,
Massachusetts
|
+$12.3M |
Top Sellers
| 1 | -$21.8M | |
| 2 | -$9.15M | |
| 3 | -$7.36M | |
| 4 |
Stifel Financial
St. Louis,
Missouri
|
-$2.61M |
| 5 |
AA
ALPS Advisors
Denver,
Colorado
|
-$1.78M |