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MERCER GLOBAL ADVISORS INC /ADV

Position in CIEN — Ciena Corp

CIK 853758 DENVER, CO

Position in CIEN

as of Jun 30, 2026 · filed Aug 19, 2026
Position Value
$18,258,643
+$4,957,495 QoQ
Shares Held
37,220
+8.6% QoQ
Ownership
0.026%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#216
of 1,225 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 20% Shared 0% None 80%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

MERCER GLOBAL ADVISORS INC /ADV holds $309,891,861 across 20 Communication Equipment names. CIEN ranks #6 (5.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 CIEN
Ciena Corp
This page
37,220 $18,258,643

All Filings in CIEN

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,258,643 37,220
2026-03-31 $13,301,148 34,261
2025-12-31 $6,691,488 28,612
2025-09-30 $3,532,206 24,248
2025-06-30 $833,876 10,253
2025-03-31 $491,416 8,132
2024-12-31 $724,955 8,548
2024-09-30 $705,575 11,456
2024-06-30 $372,768 7,737
2024-03-31 $251,008 5,076
2023-12-31 $219,063 4,867
2023-09-30 $238,568 5,048
2023-03-31 $371,526 7,074
2022-12-31 $516,019 10,122
2022-09-30 $561,613 13,891
2022-06-30 $664,889 14,549
2022-03-31 $782,793 12,911
2021-12-31 $617,453 8,022
2021-09-30 $396,781 7,727
2021-06-30 $428,381 7,530
2021-03-31 $426,542 7,795
2020-12-31 $420,210 7,951
2020-09-30 $308,113 7,763
2020-06-30 $1,077,079 19,887
2020-03-31 $797,075 20,022