Ownership history in PEAK6 LLC · 12 quarters on record
This page tracks every 13F SEC filing in which PEAK6 LLC reported a position in CIENA CORP (CIEN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | ADDED | 156,900 | +27,406 | +21.2% | 0.07% | $36.7M | $233.87 |
| 2025 Q4 | REDUCED | 129,494 | -258,406 | -66.6% | 0.06% | $30.3M | $233.87 |
| 2025 Q3 | ADDED | 387,900 | +367,300 | +1783.0% | 0.08% | $56.5M | $145.67 |
| 2025 Q3 | ADDED | 20,600 | +18,246 | +775.1% | 0.00% | $3.0M | $145.67 |
As of 2025 Q4 — sorted by position size