ClearBridge Investments
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ClearBridge Investments’s Lantheus LNTH Stock Holding History

ClearBridge Investments’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
-222,085
Closed -$18.2M – 735
2025
Q2 		$18.2M Buy
222,085
+482
+0.2% +$42.3K 0.01% 428
2025
Q1 		$21.6M Sell
221,603
-147,548
-40% -$13.8M 0.02% 403
2024
Q4 		$33M Sell
369,151
-171,891
-32% -$16.7M 0.03% 379
2024
Q3 		$59.4M Sell
541,042
-19,567
-3% -$2.03M 0.05% 300
2024
Q2 		$45M Buy
560,609
+39,369
+8% +$2.89M 0.04% 337
2024
Q1 		$32.4M Sell
521,240
-17,542
-3% -$1.03M 0.03% 398
2023
Q4 		$33.4M Buy
538,782
+168,114
+45% +$11.4M 0.03% 395
2023
Q3 		$25.8M Buy
370,668
+244,007
+193% +$17.8M 0.02% 391
2023
Q2 		$10.6M Sell
126,661
-80,514
-39% -$7.23M 0.01% 510
2023
Q1 		$17.1M Sell
207,175
-71,710
-26% -$4.62M 0.02% 454
2022
Q4 		$14.2M Buy
278,885
+22,590
+9% +$1.39M 0.01% 472
2022
Q3 		$18M Sell
256,295
-1,297
-0.5% -$98.2K 0.02% 434
2022
Q2 		$17M Sell
257,592
-149,984
-37% -$9.45M 0.02% 460
2022
Q1 		$22.5M Sell
407,576
-188,874
-32% -$7.09M 0.02% 453
2021
Q4 		$17.2M Sell
596,450
-24,007
-4% -$639K 0.01% 504
2021
Q3 		$15.9M Sell
620,457
-266,152
-30% -$6.95M 0.01% 529
2021
Q2 		$24.5M Sell
886,609
-35,651
-4% -$818K 0.02% 479
2021
Q1 		$19.7M Sell
922,260
-57,780
-6% -$1.05M 0.01% 485
2020
Q4 		$13.2M Buy
+980,040
New +$12.8M 0.01% 534

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

ClearBridge Investments's LNTH Position: Q3 2025 in Review

ClearBridge Investments sold out of Lantheus (LNTH) in Q3 2025, closing a stake of 222,085 shares — an estimated $18.2M sold.

ClearBridge Investments first reported a position in LNTH in Q4 2020 and held it in 19 quarters. The position peaked at $59.4M in Q3 2024. 418 funds tracked by Wall St. Rank hold LNTH as of Q3 2025.

  • ClearBridge Investments reported no remaining Lantheus position as of Q3 2025 after selling out during the quarter.
  • ClearBridge Investments sold 222,085 Lantheus shares in Q3 2025, an estimated $18.2M.
  • ClearBridge Investments first reported a position in Lantheus in Q4 2020 and held it in 19 quarters.
  • ClearBridge Investments's Lantheus position peaked at $59.4M in Q3 2024.
  • 418 funds tracked by Wall St. Rank held Lantheus as of Q3 2025.

Based on ClearBridge Investments's 13F filing for Q3 2025, filed 13 Nov 2025.