MP
LNTH icon

Mangrove Partners’s Lantheus LNTH Stock Holding History

Mangrove Partners’s Portfolio LNTH Stock Details LNTH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-84,940
Closed -$8.29M – 187
2025
Q1 		$8.29M Sell
84,940
-90,296
-52% -$8.44M 0.9% 28
2024
Q4 		$15.7M Sell
175,236
-19,471
-10% -$1.9M 1.73% 21
2024
Q3 		$21.4M Buy
194,707
+8,000
+4% +$831K 1.84% 20
2024
Q2 		$15M Buy
186,707
+12,839
+7% +$942K 1.15% 31
2024
Q1 		$10.8M Hold
173,868
– – 0.75% 38
2023
Q4 		$10.8M Hold
173,868
– – 0.73% 36
2023
Q3 		$12.1M Hold
173,868
– – 0.91% 35
2023
Q2 		$14.6M Hold
173,868
– – 1.01% 29
2023
Q1 		$14.4M Buy
+173,868
New +$11.2M 0.94% 30

Other funds holding LNTH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Mangrove Partners's LNTH Position: Q2 2025 in Review

Mangrove Partners sold out of Lantheus (LNTH) in Q2 2025, closing a stake of 84,940 shares — an estimated $8.29M sold.

Mangrove Partners first reported a position in LNTH in Q1 2023 and held it in 9 quarters. The position peaked at $21.4M in Q3 2024. 475 funds tracked by Wall St. Rank hold LNTH as of Q2 2025.

  • Mangrove Partners reported no remaining Lantheus position as of Q2 2025 after selling out during the quarter.
  • Mangrove Partners sold 84,940 Lantheus shares in Q2 2025, an estimated $8.29M.
  • Mangrove Partners first reported a position in Lantheus in Q1 2023 and held it in 9 quarters.
  • Mangrove Partners's Lantheus position peaked at $21.4M in Q3 2024.
  • 475 funds tracked by Wall St. Rank held Lantheus as of Q2 2025.

Based on Mangrove Partners's 13F filing for Q2 2025, filed 14 Aug 2025.