HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in TER — Teradyne, Inc

CIK 1535845 TORONTO, A6

Back to TER Full portfolio

Position in TER

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$92,487,467

+$80,470,461 QoQ

Shares Held

191,153

+371.6% QoQ

Ownership

0.122%

of shares outstanding

% of Portfolio

0.16%

of 13F equity value

Holder Rank

#96

of 1,417 holders

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in TER Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $2,699,022,137 across 16 Semiconductor Equipment & Materials names. TER ranks #5 (3.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KLAC	Kla Corp	3,176,787	$958,468,405
2	AMAT	Applied Materials Inc /De	1,030,429	$745,000,167
3	LRCX	Lam Research Corp	881,506	$381,982,994
4	ASML	Asml Holding NV	121,053	$240,827,668
5	TER	Teradyne, Inc This page	191,153	$92,487,467
6	ENTG	Entegris Inc	393,000	$70,684,980
7	NVMI	Nova Ltd.	86,875	$47,167,912
8	AXTI	Axt Inc	615,377	$44,356,374

All Filings in TER

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24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$92,487,467	191,153	+371.6%	Shares	Sole	2026-08-13
2026-03-31	$12,017,006	40,535	+554.7%	Shares	Sole	2026-05-14
2025-12-31	$1,198,329	6,191	-82.9%	Shares	Sole	2026-02-13
2025-09-30	$4,974,447	36,141	+151.0%	Shares	Sole	2025-11-13
2025-06-30	$1,294,758	14,399	+44.8%	Shares	Sole	2025-08-13
2025-03-31	$821,209	9,942	+24.3%	Shares	Sole	2025-05-14
2024-12-31	$1,007,360	8,000	-97.3%	Shares	Sole	2025-02-14
2024-09-30	$39,911,140	298,000	+2.7%	Shares	Sole	2024-11-13
2024-06-30	$43,041,024	290,249	+4695.9%	Shares	Sole	2024-09-20
2024-03-31	$682,847	6,052	-93.9%	Shares	Sole	2024-05-13
2023-12-31	$10,852,000	100,000	-52.4%	Shares	Sole	2024-03-21
2023-09-30	$21,084,142	209,876	+54.1%	Shares	Sole	2023-11-13
2023-06-30	$15,163,146	136,200	+118.7%	Shares	Sole	2023-08-11
2022-12-31	$5,439,808	62,276	+1012.1%	Shares	Sole	2023-02-13
2022-09-30	$420,840	5,600	+5556.6%	Shares	Sole	2022-11-14
2022-03-31	$11,704	99	-99.4%	Shares	Sole	2022-05-12
2021-12-31	$2,665,375	16,299	+16363.6%	Shares	Sole	2022-02-11
2021-09-30	$10,807	99	0.0%	Shares	Sole	2021-11-10
2021-06-30	$13,262	99	-99.7%	Shares	Sole	2021-08-12
2021-03-31	$3,637,745	29,896	+436.8%	Shares	Sole	2021-05-13
2020-12-31	$667,667	5,569	-85.6%	Shares	Sole	2021-03-01
2020-09-30	$3,067,156	38,600	0.0%	Shares	Sole	2021-03-01
2020-06-30	$3,262,086	38,600	+245.4%	Shares	Sole	2021-03-01
2020-03-31	$605,349	11,175	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.