3 tracked superinvestors hold CIENA CORP (CIEN), worth $3.0B combined, led by Steve Wymer. Smart money is accumulating CIEN as of the latest 13F filings.
Current price
$462.34
+487.3%
1Y
Ciena Corporation provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking products and solutions that optimized for the convergence of coherent optical transport,…
Market cap
$75.7B
P/E
338.79
Div yield
0.0%
Revenue YoY
18.8%
Analyst target
$493
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
3
tracked 13F / N-PORT funds
Combined value
$3.0B
disclosed long exposure
Tier-1 conviction
1
concentrated holders
Net this quarter
+3
3 buying · 0 selling
Smart money is net accumulating CIEN: 3 funds added or opened versus 0 trimming. 1 opened a brand-new position.
CIENA CORP (CIEN) is held by 3 tracked funds worth $3.0B combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Steve Wymer at 3.3% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
This quarter 1 fund opened a brand-new position (Stephen Mandel), with 2 adding and 0 trimming — a net accumulation signal.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Added | 3.3% | $2.4B | |
| New buy | 2.5% | $314M | |
| Added | 0.4% | $286M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own CIEN?
3 tracked funds hold CIENA CORP (CIEN), the largest being Steve Wymer (Fidelity Growth Company) at 3.3% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling CIEN?
In the most recent 13F quarter, 3 tracked funds added or opened CIEN and 0 trimmed it, including 1 brand-new position.
How much CIEN do tracked funds hold?
Combined disclosed long exposure to CIEN across tracked superinvestors is $3.0B as of the Mar 2026 filings.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Mar 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.