Oppenheimer & Co’s Lantheus LNTH Stock Holding History

Oppenheimer & Co’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
2026 Q3	$204K	Sell	2,047 -710	-26%	-$72.4K	﹤0.01%	1620
2026 Q2	$306K	Buy	+2,757	New	+$257K	﹤0.01%	1465
2025 Q3	–	Sell	-2,856	Closed	-$234K	–	1703
2025 Q2	$234K	Buy	2,856 +543	+23%	+$47.7K	﹤0.01%	1444
2025 Q1	$226K	Buy	+2,313	New	+$216K	﹤0.01%	1405
2020 Q4	–	Sell	-15,500	Closed	-$196K	–	1379
2020 Q3	$196K	Hold	15,500	–	–	﹤0.01%	1164
2020 Q2	$222K	Buy	+15,500	New	+$205K	0.01%	1072

Other funds holding LNTH

Reinhart Partners Mequon, Wisconsin $4.11B AUM 38.38% 1-Year Est. Return

Polaris Capital Management Boston, Massachusetts $953M AUM 27.74% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

Campbell Newman Asset Management Milwaukee, Wisconsin $1.33B AUM 26.63% 1-Year Est. Return

E. Ohman J:or Asset Management Stockholm, Sweden $4.47B AUM 27.58% 1-Year Est. Return

Harbor Capital Advisors Chicago, Illinois $1.48B AUM 30.88% 1-Year Est. Return

SBCM

Silverberg Bernstein Capital Management Armonk, New York $211M AUM 58.81% 1-Year Est. Return

Amalgamated Bank New York $14.3B AUM 35.81% 1-Year Est. Return

Mutual of America Capital Management New York $10.1B AUM 33.74% 1-Year Est. Return

Linden Thomas Advisory Services Charlotte, North Carolina $1.26B AUM 37.95% 1-Year Est. Return

Oppenheimer & Co's LNTH Position: Q3 2026 in Review

Oppenheimer & Co reduced its Lantheus (LNTH) stake by 26% in Q3 2026, selling an estimated $72.4K and leaving 2,047 shares worth $204K. The position accounts for ﹤0.01% of the portfolio, ranked #1620.

Oppenheimer & Co first reported a position in LNTH in Q2 2020 and has held it in 6 quarters since. The position peaked at $306K in Q2 2026. 79 funds tracked by Wall St. Rank hold LNTH as of Q3 2026.

Oppenheimer & Co held 2,047 shares of Lantheus worth $204K as of Q3 2026.
Oppenheimer & Co sold 710 Lantheus shares in Q3 2026, an estimated $72.4K.
Lantheus made up ﹤0.01% of Oppenheimer & Co's portfolio in Q3 2026, its #1620 holding.
Oppenheimer & Co first reported a position in Lantheus in Q2 2020 and has held it in 6 quarters since.
Oppenheimer & Co's Lantheus position peaked at $306K in Q2 2026.
79 funds tracked by Wall St. Rank held Lantheus as of Q3 2026.

Based on Oppenheimer & Co's 13F filing for Q3 2026, filed 26 Oct 2026.