Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Lantheus LNTH Stock Holding History

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’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 Q1	$45.4M	Buy	598,857 +522,678	+686%	+$37.5M	0.07%	212
2025 Q4	$5.07M	Buy	+76,179	New	+$4.43M	0.01%	663
2024 Q2	–	Sell	-23,000	Closed	-$1.43M	–	1067
2024 Q1	$1.43M	Buy	+23,000	New	+$1.35M	﹤0.01%	596
2023 Q2	–	Sell	-33,500	Closed	-$2.77M	–	1315
2023 Q1	$2.77M	Sell	33,500 -119,500	-78%	-$7.71M	0.02%	504
2022 Q4	$7.8M	Buy	153,000 +118,000	+337%	+$7.28M	0.04%	332
2022 Q3	$2.46M	Buy	+35,000	New	+$2.65M	0.01%	623
2020 Q1	–	Sell	-75,800	Closed	-$1.55M	–	1005
2019 Q4	$1.55M	Buy	+75,800	New	+$1.53M	0.01%	604

Other funds holding LNTH

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's LNTH Position: Q1 2026 in Review

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund increased its Lantheus (LNTH) stake by 686% in Q1 2026, buying an estimated $37.5M and bringing the position to 598,857 shares worth $45.4M. The position accounts for 0.07% of the portfolio, ranked #212.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in LNTH in Q4 2019 and has held it in 7 quarters since. 406 funds tracked by Wall St. Rank hold LNTH as of Q1 2026.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 598,857 shares of Lantheus worth $45.4M as of Q1 2026.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund bought 522,678 Lantheus shares in Q1 2026, an estimated $37.5M.
Lantheus made up 0.07% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #212 holding.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Lantheus in Q4 2019 and has held it in 7 quarters since.
406 funds tracked by Wall St. Rank held Lantheus as of Q1 2026.

Based on Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's 13F filing for Q1 2026, filed 14 May 2026.