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Boothbay Fund Management’s Lantheus LNTH Stock Holding History

Boothbay Fund 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
2024
Q2 		– Sell
-40,200
Closed -$2.5M – 1726
2024
Q1 		$2.5M Sell
40,200
-38,900
-49% -$2.29M 0.05% 429
2023
Q4 		$4.9M Buy
+79,100
New +$5.36M 0.13% 203
2022
Q3 		– Sell
-12,800
Closed -$845K – 2437
2022
Q2 		$845K Buy
+12,800
New +$807K 0.02% 897

Other funds holding LNTH

BlackRock
BlackRock New York $5.72T AUM 30.48% 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, United Kingdom $209B AUM 37.72% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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 $481B AUM 30.42% 1-Year Est. Return

Boothbay Fund Management's LNTH Position: Q4 2025 in Review

Boothbay Fund Management sold out of Lantheus (LNTH) in Q4 2025, closing a stake of 7,940 shares — an estimated $407K sold.

Boothbay Fund Management first reported a position in LNTH in Q4 2016 and held it in 5 quarters. The position peaked at $407K in Q3 2025. 391 funds tracked by Wall St. Rank hold LNTH as of Q4 2025.

  • Boothbay Fund Management reported no remaining Lantheus position as of Q4 2025 after selling out during the quarter.
  • Boothbay Fund Management sold 7,940 Lantheus shares in Q4 2025, an estimated $407K.
  • Boothbay Fund Management first reported a position in Lantheus in Q4 2016 and held it in 5 quarters.
  • Boothbay Fund Management's Lantheus position peaked at $407K in Q3 2025.
  • 391 funds tracked by Wall St. Rank held Lantheus as of Q4 2025.

Based on Boothbay Fund Management's 13F filing for Q4 2025, filed 17 Feb 2026.