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TEACHER RETIREMENT SYSTEM OF TEXAS

Pension

Position in CIEN — Ciena Corp

CIK 796848 AUSTIN, TX

Position in CIEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$465,541
-$350,518 QoQ
Shares Held
949
-54.9% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#788
of 1,218 holders
Holding Since
Jun 2020
25 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

TEACHER RETIREMENT SYSTEM OF TEXAS holds $216,416,679 across 13 Communication Equipment names. CIEN ranks #11 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CIEN

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $465,541 949
2026-03-31 $816,059 2,102
2025-12-31 $9,378,654 40,102
2025-09-30 $5,430,140 37,277
2025-06-30 $3,413,257 41,968
2025-03-31 $2,697,655 44,641
2024-12-31 $3,135,256 36,968
2024-09-30 $1,315,316 21,356
2024-06-30 $807,304 16,756
2024-03-31 $1,260,332 25,487
2023-12-31 $2,125,777 47,229
2023-09-30 $1,889,360 39,978
2023-06-30 $1,201,447 28,276
2023-03-31 $2,143,393 40,811
2022-12-31 $2,378,064 46,647
2022-09-30 $1,662,400 41,118
2022-06-30 $1,154,610 25,265
2022-03-31 $1,918,090 31,636
2021-12-31 $2,307,714 29,982
2021-09-30 $1,283,904 25,003
2021-06-30 $1,147,186 20,165
2021-03-31 $938,064 17,143
2020-12-31 $739,371 13,990
2020-09-30 $347,803 8,763
2020-06-30 $273,128 5,043