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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund’s Portfolio ATI Stock Details ATI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$12.7M	Buy	87,042 +33,580	+63%	+$4.68M	0.02%	474
2025 Q4	$6.14M	Buy	53,462 +16,900	+46%	+$1.65M	0.01%	610
2025 Q3	$2.97M	Buy	+36,562	New	+$2.96M	0.01%	670
2025 Q1	–	Sell	-24,031	Closed	-$1.32M	–	1115
2024 Q4	$1.32M	Buy	+24,031	New	+$1.42M	﹤0.01%	768
2024 Q1	–	Sell	-50,000	Closed	-$2.27M	–	933
2023 Q4	$2.27M	Buy	+50,000	New	+$2.08M	0.01%	612

Other funds holding ATI

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

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

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

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund increased its ATI (ATI) stake by 63% in Q1 2026, buying an estimated $4.68M and bringing the position to 87,042 shares worth $12.7M. The position accounts for 0.02% of the portfolio, ranked #474.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in ATI in Q4 2023 and has held it in 5 quarters since. 675 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 87,042 shares of ATI worth $12.7M as of Q1 2026.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund bought 33,580 ATI shares in Q1 2026, an estimated $4.68M.
ATI made up 0.02% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #474 holding.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in ATI in Q4 2023 and has held it in 5 quarters since.
675 funds tracked by Wall St. Rank held ATI as of Q1 2026.

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