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Northwestern Mutual Investment Management Company’s Lantheus LNTH Stock Holding History

Northwestern Mutual Investment Management Company’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
Q1 		$1.13M Buy
14,856
+20
+0.1% +$1.44K 0.02% 532
2025
Q4 		$987K Sell
14,836
-319
-2% -$18.6K 0.01% 591
2025
Q3 		$777K Sell
15,155
-292
-2% -$18.2K 0.01% 661
2025
Q2 		$1.26M Sell
15,447
-12
-0.1% -$1.05K 0.02% 456
2025
Q1 		$1.51M Buy
15,459
+7
+0% +$655 0.02% 361
2024
Q4 		$1.38M Buy
15,452
+48
+0.3% +$4.68K 0.03% 413
2024
Q3 		$1.69M Sell
15,404
-65
-0.4% -$6.75K 0.04% 321
2024
Q2 		$1.24M Buy
15,469
+194
+1% +$14.2K 0.03% 436
2024
Q1 		$951K Buy
15,275
+38
+0.2% +$2.24K 0.02% 559
2023
Q4 		$945K Buy
15,237
+60
+0.4% +$4.07K 0.02% 555
2023
Q3 		$1.05M Sell
15,177
-9
-0.1% -$658 0.03% 433
2023
Q2 		$1.27M Sell
15,186
-84
-0.6% -$7.54K 0.03% 361
2023
Q1 		$1.26M Buy
15,270
+8,900
+140% +$574K 0.03% 329
2022
Q4 		$325K Buy
+6,370
New +$393K 0.01% 716
2017
Q4 		– Sell
-180,450
Closed -$3.21M – 889
2017
Q3 		$3.21M Buy
+180,450
New +$3.17M 0.05% 320

Other funds holding LNTH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Northwestern Mutual Investment Management Company's LNTH Position: Q1 2026 in Review

Northwestern Mutual Investment Management Company increased its Lantheus (LNTH) stake by 0.13% in Q1 2026, buying an estimated $1.44K and bringing the position to 14,856 shares worth $1.13M. The position accounts for 0.02% of the portfolio, ranked #532.

Northwestern Mutual Investment Management Company first reported a position in LNTH in Q3 2017 and has held it in 15 quarters since. The position peaked at $3.21M in Q3 2017. 406 funds tracked by Wall St. Rank hold LNTH as of Q1 2026.

  • Northwestern Mutual Investment Management Company held 14,856 shares of Lantheus worth $1.13M as of Q1 2026.
  • Northwestern Mutual Investment Management Company bought 20 Lantheus shares in Q1 2026, an estimated $1.44K.
  • Lantheus made up 0.02% of Northwestern Mutual Investment Management Company's portfolio in Q1 2026, its #532 holding.
  • Northwestern Mutual Investment Management Company first reported a position in Lantheus in Q3 2017 and has held it in 15 quarters since.
  • Northwestern Mutual Investment Management Company's Lantheus position peaked at $3.21M in Q3 2017.
  • 406 funds tracked by Wall St. Rank held Lantheus as of Q1 2026.

Based on Northwestern Mutual Investment Management Company's 13F filing for Q1 2026, filed 8 May 2026.