Balyasny Asset Management
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Balyasny Asset Management’s Lantheus LNTH Stock Holding History

Balyasny Asset 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
-4,100
Closed -$336K – 3224
2025
Q2 		$336K Buy
+4,100
New +$360K ﹤0.01% 2445
2024
Q4 		– Sell
-14,000
Closed -$1.54M – 3033
2024
Q3 		$1.54M Sell
14,000
-5,000
-26% -$519K ﹤0.01% 1777
2024
Q2 		$1.53M Buy
+19,000
New +$1.39M ﹤0.01% 1626

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 $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Balyasny Asset Management's LNTH Position: Q1 2026 in Review

Balyasny Asset Management increased its Lantheus (LNTH) stake by 283% in Q1 2026, buying an estimated $28.6M and bringing the position to 539,382 shares worth $40.9M. The position accounts for 0.05% of the portfolio, ranked #412.

Balyasny Asset Management first reported a position in LNTH in Q1 2018 and has held it in 17 quarters since. The position peaked at $50.7M in Q3 2023. 406 funds tracked by Wall St. Rank hold LNTH as of Q1 2026.

  • Balyasny Asset Management held 539,382 shares of Lantheus worth $40.9M as of Q1 2026.
  • Balyasny Asset Management bought 398,601 Lantheus shares in Q1 2026, an estimated $28.6M.
  • Lantheus made up 0.05% of Balyasny Asset Management's portfolio in Q1 2026, its #412 holding.
  • Balyasny Asset Management first reported a position in Lantheus in Q1 2018 and has held it in 17 quarters since.
  • Balyasny Asset Management's Lantheus position peaked at $50.7M in Q3 2023.
  • 406 funds tracked by Wall St. Rank held Lantheus as of Q1 2026.

Based on Balyasny Asset Management's 13F filing for Q1 2026, filed 15 May 2026.