Oak Ridge Investments’s Lantheus LNTH Stock Holding History

Oak Ridge Investments’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	-19,192	Closed	-$984K	–	191
2025 Q3	$984K	Sell	19,192 -383	-2%	-$23.9K	0.06%	122
2025 Q2	$1.6M	Sell	19,575 -1,029	-5%	-$90.4K	0.11%	100
2025 Q1	$2.01M	Sell	20,604 -18,406	-47%	-$1.72M	0.17%	85
2024 Q4	$3.49M	Sell	39,010 -1,208	-3%	-$118K	0.27%	66
2024 Q3	$4.41M	Sell	40,218 -11,231	-22%	-$1.17M	0.38%	57
2024 Q2	$4.13M	Sell	51,449 -7,314	-12%	-$537K	0.39%	57
2024 Q1	$3.66M	Sell	58,763 -3,184	-5%	-$187K	0.37%	74
2023 Q4	$3.84M	Sell	61,947 -4,925	-7%	-$334K	0.44%	63
2023 Q3	$4.65M	Sell	66,872 -2,238	-3%	-$164K	0.59%	54
2023 Q2	$5.8M	Sell	69,110 -2,370	-3%	-$213K	0.72%	41
2023 Q1	$5.9M	Sell	71,480 -4,496	-6%	-$290K	0.8%	41
2022 Q4	$3.87M	Sell	75,976 -1,831	-2%	-$113K	0.58%	60
2022 Q3	$5.47M	Sell	77,807 -24,385	-24%	-$1.85M	0.83%	27
2022 Q2	$6.75M	Sell	102,192 -44,529	-30%	-$2.81M	0.98%	21
2022 Q1	$8.12M	Sell	146,721 -138,327	-49%	-$5.19M	0.9%	23
2021 Q4	$8.23M	Buy	+285,048	New	+$7.58M	0.7%	49

Other funds holding LNTH

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Oak Ridge Investments's LNTH Position: Q4 2025 in Review

Oak Ridge Investments sold out of Lantheus (LNTH) in Q4 2025, closing a stake of 19,192 shares — an estimated $984K sold.

Oak Ridge Investments first reported a position in LNTH in Q4 2021 and held it in 16 quarters. The position peaked at $8.23M in Q4 2021. 391 funds tracked by Wall St. Rank hold LNTH as of Q4 2025.

Oak Ridge Investments reported no remaining Lantheus position as of Q4 2025 after selling out during the quarter.
Oak Ridge Investments sold 19,192 Lantheus shares in Q4 2025, an estimated $984K.
Oak Ridge Investments first reported a position in Lantheus in Q4 2021 and held it in 16 quarters.
Oak Ridge Investments's Lantheus position peaked at $8.23M in Q4 2021.
391 funds tracked by Wall St. Rank held Lantheus as of Q4 2025.

Based on Oak Ridge Investments's 13F filing for Q4 2025, filed 23 Jan 2026.