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Frontier Capital Management’s Lantheus LNTH Stock Holding History

Frontier Capital Management’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
Q3 		– Sell
-315,513
Closed -$25.8M – 311
2025
Q2 		$25.8M Buy
315,513
+108,060
+52% +$9.49M 0.24% 162
2025
Q1 		$20.2M Buy
207,453
+70,046
+51% +$6.55M 0.22% 158
2024
Q4 		$12.3M Sell
137,407
-121,928
-47% -$11.9M 0.12% 205
2024
Q3 		$28.5M Buy
259,335
+158,946
+158% +$16.5M 0.27% 143
2024
Q2 		$8.06M Sell
100,389
-855
-0.8% -$62.7K 0.08% 225
2024
Q1 		$6.3M Buy
+101,244
New +$5.96M 0.06% 239
2023
Q4 		– Sell
-195,871
Closed -$13.6M – 273
2023
Q3 		$13.6M Sell
195,871
-66,014
-25% -$4.83M 0.15% 174
2023
Q2 		$22M Sell
261,885
-59,179
-18% -$5.31M 0.21% 151
2023
Q1 		$26.5M Buy
321,064
+205,292
+177% +$13.2M 0.27% 134
2022
Q4 		$5.9M Sell
115,772
-222,470
-66% -$13.7M 0.06% 223
2022
Q3 		$23.8M Buy
338,242
+131,458
+64% +$9.96M 0.28% 131
2022
Q2 		$13.7M Buy
206,784
+20,807
+11% +$1.31M 0.16% 182
2022
Q1 		$10.3M Buy
185,977
+46,710
+34% +$1.75M 0.09% 212
2021
Q4 		$4.02M Buy
+139,267
New +$3.7M 0.03% 260

Other funds holding LNTH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Frontier Capital Management's LNTH Position: Q3 2025 in Review

Frontier Capital Management sold out of Lantheus (LNTH) in Q3 2025, closing a stake of 315,513 shares — an estimated $25.8M sold.

Frontier Capital Management first reported a position in LNTH in Q4 2021 and held it in 14 quarters. The position peaked at $28.5M in Q3 2024. 418 funds tracked by Wall St. Rank hold LNTH as of Q3 2025.

  • Frontier Capital Management reported no remaining Lantheus position as of Q3 2025 after selling out during the quarter.
  • Frontier Capital Management sold 315,513 Lantheus shares in Q3 2025, an estimated $25.8M.
  • Frontier Capital Management first reported a position in Lantheus in Q4 2021 and held it in 14 quarters.
  • Frontier Capital Management's Lantheus position peaked at $28.5M in Q3 2024.
  • 418 funds tracked by Wall St. Rank held Lantheus as of Q3 2025.

Based on Frontier Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.