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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
2025
Q4 		– Sell
-7,940
Closed -$407K – 2185
2025
Q3 		$407K Buy
+7,940
New +$496K 0.01% 1281
2023
Q1 		– Sell
-7,580
Closed -$386K – 2352
2022
Q4 		$386K Buy
7,580
+3,606
+91% +$222K 0.01% 1275
2022
Q3 		$279K Buy
+3,974
New +$301K 0.01% 1582
2017
Q2 		– Sell
-14,784
Closed -$185K – 764
2017
Q1 		$185K Sell
14,784
-49
-0.3% -$519 0.03% 617
2016
Q4 		$128K Buy
+14,833
New +$132K 0.03% 656

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 $3.38T AUM 44.17% 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 $4.11B AUM 38.38% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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. 393 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.
  • 393 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.