Boston Partners
LNTH icon

Boston Partners’s Lantheus LNTH Stock Holding History

Boston 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
2026
Q2 		$55.1M Buy
500,622
+29,964
+6% +$2.79M 0.05% 269
2026
Q1 		$35.7M Buy
+470,658
New +$33.8M 0.04% 299
2025
Q3 		– Sell
-576,362
Closed -$46.4M – 781
2025
Q2 		$46.4M Buy
576,362
+134,781
+31% +$11.8M 0.05% 257
2025
Q1 		$43.2M Buy
441,581
+40,784
+10% +$3.81M 0.05% 240
2024
Q4 		$36.2M Buy
400,797
+146,268
+57% +$14.2M 0.04% 267
2024
Q3 		$28M Sell
254,529
-399,372
-61% -$41.5M 0.03% 293
2024
Q2 		$56.2M Sell
653,901
-27,380
-4% -$2.01M 0.07% 235
2024
Q1 		$42.7M Buy
681,281
+119,156
+21% +$7.01M 0.05% 253
2023
Q4 		$34.3M Buy
562,125
+49,195
+10% +$3.33M 0.05% 275
2023
Q3 		$35.3M Buy
512,930
+67,729
+15% +$4.95M 0.05% 270
2023
Q2 		$36.9M Buy
445,201
+110,067
+33% +$9.88M 0.05% 256
2023
Q1 		$27.7M Buy
+335,134
New +$21.6M 0.04% 278
2022
Q4 		– Sell
-5,013
Closed -$353K – 735
2022
Q3 		$353K Sell
5,013
-7,277
-59% -$551K ﹤0.01% 639
2022
Q2 		$812K Sell
12,290
-51,165
-81% -$3.23M ﹤0.01% 543
2022
Q1 		$3.51M Sell
63,455
-57,103
-47% -$2.14M ﹤0.01% 413
2021
Q4 		$3.48M Buy
120,558
+56,577
+88% +$1.5M ﹤0.01% 402
2021
Q3 		$1.64M Sell
63,981
-81,172
-56% -$2.12M ﹤0.01% 473
2021
Q2 		$4.01M Sell
145,153
-52,953
-27% -$1.22M 0.01% 389
2021
Q1 		$4.23M Buy
198,106
+64,399
+48% +$1.17M 0.01% 402
2020
Q4 		$1.8M Buy
+133,707
New +$1.75M ﹤0.01% 454
2018
Q4 		– Sell
-56,300
Closed -$842K – 726
2018
Q3 		$842K Sell
56,300
-300,490
-84% -$4.39M ﹤0.01% 670
2018
Q2 		$5.19M Buy
356,790
+237,090
+198% +$3.65M 0.01% 453
2018
Q1 		$1.9M Buy
+119,700
New +$2.33M ﹤0.01% 655

Other funds holding LNTH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Boston Partners's LNTH Position: Q2 2026 in Review

Boston Partners increased its Lantheus (LNTH) stake by 6.4% in Q2 2026, buying an estimated $2.79M and bringing the position to 500,622 shares worth $55.1M. The position accounts for 0.05% of the portfolio, ranked #269.

Boston Partners first reported a position in LNTH in Q1 2018 and has held it in 23 quarters since. The position peaked at $56.2M in Q2 2024. 466 funds tracked by Wall St. Rank hold LNTH as of Q2 2026.

  • Boston Partners held 500,622 shares of Lantheus worth $55.1M as of Q2 2026.
  • Boston Partners bought 29,964 Lantheus shares in Q2 2026, an estimated $2.79M.
  • Lantheus made up 0.05% of Boston Partners's portfolio in Q2 2026, its #269 holding.
  • Boston Partners first reported a position in Lantheus in Q1 2018 and has held it in 23 quarters since.
  • Boston Partners's Lantheus position peaked at $56.2M in Q2 2024.
  • 466 funds tracked by Wall St. Rank held Lantheus as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.