PEAK6’s Lantheus LNTH Stock Holding History

PEAK6’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	-18,100	Closed	-$928K	–	3142
2025 Q3	$928K	Sell	18,100 -3,700	-17%	-$231K	﹤0.01%	1872
2025 Q2	$1.78M	Buy	21,800 +19,900	+1,047%	+$1.75M	﹤0.01%	1509
2025 Q1	$185K	Sell	1,900 -4,100	-68%	-$383K	﹤0.01%	2451
2024 Q4	$537K	Buy	+6,000	New	+$584K	﹤0.01%	2116

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

PEAK6's LNTH Position: Q4 2025 in Review

PEAK6 sold out of Lantheus (LNTH) in Q4 2025, closing a stake of 1,032 shares — an estimated $52.9K sold.

PEAK6 first reported a position in LNTH in Q2 2025 and held it in 2 quarters. The position peaked at $383K in Q2 2025. 391 funds tracked by Wall St. Rank hold LNTH as of Q4 2025.

PEAK6 reported no remaining Lantheus position as of Q4 2025 after selling out during the quarter.
PEAK6 sold 1,032 Lantheus shares in Q4 2025, an estimated $52.9K.
PEAK6 first reported a position in Lantheus in Q2 2025 and held it in 2 quarters.
PEAK6's Lantheus position peaked at $383K in Q2 2025.
391 funds tracked by Wall St. Rank held Lantheus as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.