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BANK OF MONTREAL /CAN/

Bank

Position in CIEN — Ciena Corp

CIK 927971 TORONTO, A6

Position in CIEN

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$51,971,884
+$20,390,930 QoQ
Shares Held
105,944
+30.2% QoQ
Ownership
0.075%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#114
of 1,218 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 94% Shared 0% None 6%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Derivatives in CIEN

reported options exposure · as of Jun 30, 2026
CallValue
$7,358,400
CallShares
15,000
PutValue
$6,132,000
PutShares
12,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Communication Equipment

Technology · as of Jun 30, 2026

BANK OF MONTREAL /CAN/ holds $1,853,602,685 across 22 Communication Equipment names. CIEN ranks #5 (2.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 CIEN
Ciena Corp
This page
105,944 $51,971,884

All Filings in CIEN

Export CSV
28 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,132,000 12,500
2026-06-30 $7,358,400 15,000
2026-06-30 $51,971,884 105,944
2026-03-31 $31,580,954 81,346
2025-12-31 $8,393,826 35,891
2025-09-30 $4,780,596 32,818
2025-06-30 $2,861,595 35,185
2025-03-31 $3,508,262 58,055
2024-12-31 $5,283,407 62,297
2024-09-30 $3,010,701 48,883
2024-06-30 $1,635,083 33,937
2024-03-31 $1,765,363 35,700
2023-12-31 $5,426,044 120,552
2023-09-30 $1,855,994 39,272
2023-06-30 $2,729,767 64,245
2023-03-31 $3,980,908 75,798
2022-12-31 $3,494,422 68,545
2022-09-30 $2,361,960 58,421
2022-06-30 $2,018,705 44,173
2022-03-31 $2,200,625 36,296
2021-12-31 $2,776,769 36,076
2021-09-30 $5,320,577 103,614
2021-06-30 $6,488,700 114,057
2021-03-31 $10,677,948 195,138
2020-12-31 $21,090,741 399,068
2020-09-30 $2,889,629 72,805
2020-06-30 $4,976,921 91,893
2020-03-31 $6,257,731 157,190