Ciena Corp (CIEN)
- Sector
- Information Technology
- Industry
- Communications Equipment
- Last price
- $359.60
- As of
Kresmion compiles this page from CIEN's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
CIENA CORP (CIEN): 7 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 10-Q filed 2026-09-03.
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Preview the CIEN dossierActive signals for CIEN
- highCONSENSUS_BUY
10 tracked funds increased CIEN this 2026Q2, institutional consensus
- mediumEARNINGS_BEAT
Q3-2026: Beat consensus by 20.0%, EPS $2.11 vs $1.7587 estimate
- highCONSENSUS_BUY
4 tracked funds increased CIEN this 2026Q2, institutional consensus
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +78% to CIEN (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +136% to CIEN (2026Q2)
FREE, NO ACCOUNT
Every signal on CIEN, as it fires
You are seeing 5 of 49 signals recorded on CIEN since 2026-04-27.
The five above landed across 3 days. The other 44 were recorded on 8 other days. 35 of the 49 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in CIEN (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| CITADEL ADVISORS LLCCUSIP 171779309 · 2026Q2 | $105M | 0.01% | , |
| Point72 Asset Management, L.P.CUSIP 171779309 · 2026Q2 | $103.3M | 0.11% | , |
| RENAISSANCE TECHNOLOGIES LLCCUSIP 171779309 · 2026Q2 | $90.6M | 0.12% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP 171779309 · 2026Q2 | $81.6M | 0.03% | , |
| D. E. Shaw & Co., Inc.CUSIP 171779309 · 2026Q2 | $65.3M | 0.03% | , |
| Bridgewater Associates, LPCUSIP 171779309 · 2026Q2 | $49.6M | 0.20% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP 171779309 · 2026Q2 | $4.7M | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, CIEN
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 10-KSEC EDGAR ↗
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