Mariner
LNTH icon

Mariner’s Lantheus LNTH Stock Holding History

Mariner’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
-3,459
Closed -$338K – 3599
2025
Q1 		$338K Buy
3,459
+948
+38% +$88.7K ﹤0.01% 2517
2024
Q4 		$225K Sell
2,511
-915
-27% -$89.1K ﹤0.01% 2903
2024
Q3 		$375K Buy
3,426
+557
+19% +$57.9K ﹤0.01% 2380
2024
Q2 		$231K Buy
+2,869
New +$210K ﹤0.01% 2666
2024
Q1 		– Sell
-5,118
Closed -$317K – 3197
2023
Q4 		$317K Sell
5,118
-283
-5% -$19.2K ﹤0.01% 2283
2023
Q3 		$375K Buy
5,401
+1,882
+53% +$138K ﹤0.01% 1965
2023
Q2 		$295K Buy
3,519
+382
+12% +$34.3K ﹤0.01% 2133
2023
Q1 		$259K Sell
3,137
-2,380
-43% -$153K ﹤0.01% 2185
2022
Q4 		$281K Sell
5,517
-102
-2% -$6.29K ﹤0.01% 2081
2022
Q3 		$395K Buy
+5,619
New +$426K ﹤0.01% 1568

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

Mariner's LNTH Position: Q2 2025 in Review

Mariner sold out of Lantheus (LNTH) in Q2 2025, closing a stake of 3,459 shares — an estimated $338K sold.

Mariner first reported a position in LNTH in Q3 2022 and held it in 10 quarters. The position peaked at $395K in Q3 2022. 475 funds tracked by Wall St. Rank hold LNTH as of Q2 2025.

  • Mariner reported no remaining Lantheus position as of Q2 2025 after selling out during the quarter.
  • Mariner sold 3,459 Lantheus shares in Q2 2025, an estimated $338K.
  • Mariner first reported a position in Lantheus in Q3 2022 and held it in 10 quarters.
  • Mariner's Lantheus position peaked at $395K in Q3 2022.
  • 475 funds tracked by Wall St. Rank held Lantheus as of Q2 2025.

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