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Riverwater Partners’s Lantheus LNTH Stock Holding History

Riverwater 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
2025
Q3 		– Sell
-14,326
Closed -$1.17M – 224
2025
Q2 		$1.17M Sell
14,326
-42
-0.3% -$3.69K 0.55% 61
2025
Q1 		$1.4M Buy
14,368
+3,186
+28% +$298K 0.72% 47
2024
Q4 		$1M Buy
11,182
+5,671
+103% +$552K 0.49% 62
2024
Q3 		$580K Buy
+5,511
New +$572K 0.29% 98

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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Riverwater Partners's LNTH Position: Q3 2025 in Review

Riverwater Partners sold out of Lantheus (LNTH) in Q3 2025, closing a stake of 14,326 shares — an estimated $1.17M sold.

Riverwater Partners first reported a position in LNTH in Q3 2024 and held it in 4 quarters. The position peaked at $1.4M in Q1 2025. 418 funds tracked by Wall St. Rank hold LNTH as of Q3 2025.

  • Riverwater Partners reported no remaining Lantheus position as of Q3 2025 after selling out during the quarter.
  • Riverwater Partners sold 14,326 Lantheus shares in Q3 2025, an estimated $1.17M.
  • Riverwater Partners first reported a position in Lantheus in Q3 2024 and held it in 4 quarters.
  • Riverwater Partners's Lantheus position peaked at $1.4M in Q1 2025.
  • 418 funds tracked by Wall St. Rank held Lantheus as of Q3 2025.

Based on Riverwater Partners's 13F filing for Q3 2025, filed 31 Oct 2025.