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

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.13M	Sell	14,694 -9,700	-40%	-$1.41M	﹤0.01%	974
2025 Q4	$3.03M	Buy	+24,394	New	+$3.01M	0.01%	794
2021 Q1	–	Sell	-18,400	Closed	-$1.17M	–	1701
2020 Q4	$1.17M	Sell	18,400 -20,200	-52%	-$1.16M	﹤0.01%	942
2020 Q3	$2.01M	Buy	+38,600	New	+$2.18M	0.02%	373
2020 Q2	–	Sell	-96,100	Closed	-$3.36M	–	932
2020 Q1	$3.36M	Buy	+96,100	New	+$4.77M	0.04%	237

Other funds holding MTRN

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

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

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

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

AAM

ACK Asset Management Greenwich, Connecticut $856M AUM 70.44% 1-Year Est. Return

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

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund reduced its Materion (MTRN) stake by 40% in Q1 2026, selling an estimated $1.41M and leaving 14,694 shares worth $2.13M. The position accounts for ﹤0.01% of the portfolio, ranked #974.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in MTRN in Q1 2020 and has held it in 5 quarters since. The position peaked at $3.36M in Q1 2020. 334 funds tracked by Wall St. Rank hold MTRN as of Q1 2026.

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund held 14,694 shares of Materion worth $2.13M as of Q1 2026.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund sold 9,700 Materion shares in Q1 2026, an estimated $1.41M.
Materion made up ﹤0.01% of Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's portfolio in Q1 2026, its #974 holding.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund first reported a position in Materion in Q1 2020 and has held it in 5 quarters since.
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund's Materion position peaked at $3.36M in Q1 2020.
334 funds tracked by Wall St. Rank held Materion as of Q1 2026.

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