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 Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$12,017,006

+$10,818,677 QoQ

Shares Held

40,535

+554.7% QoQ

Ownership

0.026%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TER Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Mar 31, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $542,269,447 across 12 Semiconductor Equipment & Materials names. TER ranks #7 (2.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	123,443	$163,047,217
2	AMAT	Applied Materials Inc /De	456,984	$156,192,561
3	LRCX	Lam Research Corp	408,479	$87,275,623
4	NVMI	Nova Ltd.	120,326	$52,255,175
5	KLAC	Kla Corp	211,610	$31,157,668
6	ENTG	Entegris Inc	185,000	$21,689,400
7	TER	Teradyne, Inc This page	40,535	$12,017,006
8	FORM	Formfactor Inc	71,055	$6,891,624

All Filings in TER

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23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.