S&P 500 7,757.17 +0.58%
Nasdaq 26,702.86 +1.05%
S&P/TSX 36,324.99 +0.60%
Apple 343.99 +1.32%
Nvidia 221.97 +2.54%
Microsoft 532.95 +0.20%
Shopify 244.93 +0.38%
Royal Bank 283.62 +1.23%
CAD/USD 0.7129 +0.28%
PRE-MKT · 06:25 ET
Market ClerkRecap
Thu Oct 22 · pre-market2 signals on Oct 21108 insider buys this week · $250.3MCIRO short report next: Oct 31The week ahead

CIEN

CIENA CORP
NYSE · TECHNOLOGY · TELEPHONE & TELEGRAPH APPARATUS
361.34
+19.39 +5.67%
USD · Oct 22, 06:20 a.m. ET

A free account adds a watchlist, alerts when insiders, Congress or short sellers move on your tickers, and a morning brief. Sign up

MKT CAP $51.2BP/E 80.7DIV YIELD —FCF YIELD 1.59%REV TTM $6B +32.6%NET INCOME $654.4M +364.5%NET CASH $1.8B52W 164.48 – 627.00SEC XBRL · TTM TO Invalid Date

Who holds it

SEC 13F · LATEST QUARTER PER FUND
FundTypeRank in portfolioValueSharesAs of
Caisse de dépôt (CDPQ)Pension#166$98.3M200K2026-06-30
Renaissance TechnologiesGuru#181$90.6M185K2026-06-30
Bridgewater Associates (Ray Dalio)Guru#80$49.6M101K2026-06-30
PSP InvestmentsPension#129$41.9M85K2026-06-30

13F filings cover US-listed holdings and arrive up to 45 days after quarter end, so positions may have changed since.

Stakes of 5% or more

SCHEDULE 13D / 13G · LATEST PER HOLDER · TWO YEARS
JPMORGAN CHASE & CO.3.9%
SCHEDULE 13G/A · filed Sep 3 · passive · EDGAR ↗

A 13D means the holder crossed 5% with intent beyond passive ownership and had to state a purpose; a 13G is the passive version. Every new 13D on tracked companies.

Watch CIEN. Know when insiders buy.
One email the day a filing lands. Free.