Artisan Partners
LNTH icon

Artisan Partners’s Lantheus LNTH Stock Holding History

Artisan 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
Q4 		– Sell
-403,994
Closed -$20.7M – 365
2025
Q3 		$20.7M Sell
403,994
-13,950
-3% -$872K 0.03% 282
2025
Q2 		$34.2M Sell
417,944
-3,594
-0.9% -$316K 0.05% 252
2025
Q1 		$41.1M Buy
421,538
+84,304
+25% +$7.88M 0.07% 232
2024
Q4 		$30.2M Buy
337,234
+89,468
+36% +$8.71M 0.05% 277
2024
Q3 		$27.2M Buy
247,766
+47,263
+24% +$4.91M 0.04% 272
2024
Q2 		$16.1M Buy
200,503
+99,254
+98% +$7.28M 0.02% 290
2024
Q1 		$6.3M Sell
101,249
-4,478
-4% -$264K 0.01% 312
2023
Q4 		$6.56M Sell
105,727
-132,120
-56% -$8.95M 0.01% 308
2023
Q3 		$16.5M Hold
237,847
– – 0.03% 255
2023
Q2 		$20M Sell
237,847
-84,969
-26% -$7.62M 0.03% 252
2023
Q1 		$26.7M Sell
322,816
-104,026
-24% -$6.71M 0.04% 244
2022
Q4 		$21.8M Sell
426,842
-276,428
-39% -$17.1M 0.04% 249
2022
Q3 		$49.5M Sell
703,270
-543,072
-44% -$41.1M 0.09% 207
2022
Q2 		$82.3M Sell
1,246,342
-443,072
-26% -$27.9M 0.14% 160
2022
Q1 		$93.4M Sell
1,689,414
-457,409
-21% -$17.2M 0.12% 171
2021
Q4 		$62M Sell
2,146,823
-9,393
-0.4% -$250K 0.07% 231
2021
Q3 		$55.4M Buy
2,156,216
+27,095
+1% +$708K 0.07% 235
2021
Q2 		$58.8M Buy
2,129,121
+1,070,914
+101% +$24.6M 0.07% 229
2021
Q1 		$22.6M Buy
+1,058,207
New +$19.2M 0.03% 304

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
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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Artisan Partners's LNTH Position: Q4 2025 in Review

Artisan Partners sold out of Lantheus (LNTH) in Q4 2025, closing a stake of 403,994 shares — an estimated $20.7M sold.

Artisan Partners first reported a position in LNTH in Q1 2021 and held it in 19 quarters. The position peaked at $93.4M in Q1 2022. 392 funds tracked by Wall St. Rank hold LNTH as of Q4 2025.

  • Artisan Partners reported no remaining Lantheus position as of Q4 2025 after selling out during the quarter.
  • Artisan Partners sold 403,994 Lantheus shares in Q4 2025, an estimated $20.7M.
  • Artisan Partners first reported a position in Lantheus in Q1 2021 and held it in 19 quarters.
  • Artisan Partners's Lantheus position peaked at $93.4M in Q1 2022.
  • 392 funds tracked by Wall St. Rank held Lantheus as of Q4 2025.

Based on Artisan Partners's 13F filing for Q4 2025, filed 17 Feb 2026.