LGM
YMAB

Logos Global Management’s Y-mAbs Therapeutics YMAB Stock Holding History

Logos Global Management’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
Q1 		– Sell
-1,000,000
Closed -$7.83M – 57
2024
Q4 		$7.83M Buy
1,000,000
+200,000
+25% +$2.44M 0.92% 32
2024
Q3 		$10.5M Buy
+800,000
New +$10.1M 1.14% 29
2022
Q1 		– Sell
-250,000
Closed -$4.05M – 65
2021
Q4 		$4.05M Buy
+250,000
New +$5.34M 0.42% 46

Other funds holding YMAB

PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CP
Caligan Partners New York $1.5B AUM 518.95% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BFM
Boothbay Fund Management New York $7.71B AUM 106.31% 1-Year Est. Return

Logos Global Management's YMAB Position: Q1 2025 in Review

Logos Global Management sold out of Y-mAbs Therapeutics (YMAB) in Q1 2025, closing a stake of 1,000,000 shares — an estimated $7.83M sold.

Logos Global Management first reported a position in YMAB in Q4 2021 and held it in 3 quarters. The position peaked at $10.5M in Q3 2024. 102 funds tracked by Wall St. Rank hold YMAB as of Q1 2025.

  • Logos Global Management reported no remaining Y-mAbs Therapeutics position as of Q1 2025 after selling out during the quarter.
  • Logos Global Management sold 1,000,000 Y-mAbs Therapeutics shares in Q1 2025, an estimated $7.83M.
  • Logos Global Management first reported a position in Y-mAbs Therapeutics in Q4 2021 and held it in 3 quarters.
  • Logos Global Management's Y-mAbs Therapeutics position peaked at $10.5M in Q3 2024.
  • 102 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q1 2025.

Based on Logos Global Management's 13F filing for Q1 2025, filed 15 May 2025.