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CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Position in CIEN — Ciena Corp

CIK 884546 SAN FRANCISCO, CA

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$612,706,987
+$118,778,264 QoQ
Shares Held
1,248,995
-1.8% QoQ
Ownership
0.882%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#17
of 1,225 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $7,229,009,389 across 28 Communication Equipment names. CIEN ranks #3 (8.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 CIEN
Ciena Corp
This page
1,248,995 $612,706,987

All Filings in CIEN

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $612,706,987 1,248,995
2026-03-31 $493,928,723 1,272,258
2025-12-31 $218,838,707 935,728
2025-09-30 $137,188,364 941,775
2025-06-30 $77,799,708 956,593
2025-03-31 $57,578,006 952,805
2024-12-31 $81,403,267 959,831
2024-09-30 $58,850,230 955,516
2024-06-30 $45,718,531 948,911
2024-03-31 $46,508,862 940,523
2023-12-31 $42,735,914 949,476
2023-09-30 $43,980,912 930,616
2023-06-30 $41,628,005 979,713
2023-03-31 $51,008,054 971,212
2022-12-31 $48,720,209 955,673
2022-09-30 $37,194,023 919,961
2022-06-30 $41,630,277 910,947
2022-03-31 $55,166,266 909,884
2021-12-31 $85,202,403 1,106,956
2021-09-30 $54,953,280 1,070,171
2021-06-30 $57,003,495 1,001,995
2021-03-31 $53,748,884 982,253
2020-12-31 $54,973,830 1,040,186
2020-09-30 $40,528,252 1,021,120
2020-06-30 $88,380,833 1,631,847
2020-03-31 $55,491,557 1,393,910