HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in CIEN — Ciena Corp

CIK 1535845 TORONTO, A6

Position in CIEN

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

Position Value

$4,336,550

+$902,656 QoQ

Shares Held

8,840

-0.1% QoQ

Ownership

0.006%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#401

of 1,218 holders

Holding Since

Mar 2021

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $685,281,759 across 12 Communication Equipment names. CIEN ranks #7 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSCO	Cisco Systems, Inc.	3,966,697	$465,928,229
2	MSI	Motorola Solutions, Inc.	297,678	$123,622,696
3	LITE	Lumentum Holdings Inc.	70,740	$60,699,164
4	EXTR	Extreme Networks Inc	289,000	$9,354,930
5	VISN	Vistance Networks, Inc.	427,661	$5,465,507
6	ADTN	ADTRAN Holdings, Inc.	330,100	$4,588,390
7	CIEN	Ciena Corp This page	8,840	$4,336,550
8	HPE	Hewlett Packard Enterprise Co	91,664	$4,134,963

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,336,550	8,840	-0.1%	Shares	Sole	2026-08-13
2026-03-31	$3,433,894	8,845	+1396.6%	Shares	Sole	2026-05-14
2024-06-30	$28,474	591	-89.4%	Shares	Sole	2024-09-20
2024-03-31	$276,128	5,584	-76.9%	Shares	Sole	2024-05-13
2023-12-31	$1,089,242	24,200	+40.7%	Shares	Sole	2024-03-21
2023-09-30	$812,872	17,200	+73.7%	Shares	Sole	2023-11-13
2022-09-30	$400,257	9,900	-58.8%	Shares	Sole	2022-11-14
2022-06-30	$1,098,353	24,034	-46.8%	Shares	Sole	2022-08-11
2021-06-30	$2,571,428	45,200	+108.1%	Shares	Sole	2021-08-12
2021-03-31	$1,188,792	21,725	—	Shares	Sole	2021-05-13
No filing history on record for this holder in this stock.