Ciena (CIEN)GF Fund Management Co. Ltd. reduced its stake -85K shares

23K

Shares reported · -85K vs prior quarter

0.14%

Disclosed portfolio weight

$11.3M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 7, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
2. Mar 30, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
3. May 14, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
4. May 29, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
5. Jun 8, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 2 more items)
6. Jun 15, 2026Insider · 3 peopleInsiders: 3 sales (~$3.1M)
7. Jun 24, 2026InsiderCFO sold ~$57K of CIEN shares in the open market
8. Jun 26, 2026InsiderOfficer sold ~$740K of CIEN shares in the open market
9. Jul 1, 2026Insider · 4 peopleInsiders: 4 sales (~$3.6M)
10. Jul 15, 2026Insider · 4 peopleInsiders: 5 sales (~$3.2M)
11. Aug 3, 2026InsiderCEO sold ~$1.12M of CIEN shares in the open market
12. Aug 6, 20265% stakeFMR LLC reported a passive stake (13G) of 13.5%

What came next

1. Aug 14, 2026Insider · 2 peopleInsiders: 2 sales (~$3.2M)
2. Aug 17, 2026Insider · 2 peopleInsiders: 2 sales (~$1.8M)
3. Sep 1, 2026InsiderCEO sold ~$1.07M of CIEN shares in the open market
4. Sep 3, 2026Company filing · Form 8-K · ResultsReported its results
5. Sep 3, 20265% stakeJPMORGAN CHASE & CO. reported a passive stake (13G) of 3.9%
6. Sep 15, 2026Insider · 4 peopleInsiders: 4 sales (~$2.3M)
7. Sep 16, 2026InsiderOfficer sold ~$87K of CIEN shares in the open market
8. Sep 23, 2026InsiderDirector sold ~$1.34M of CIEN shares in the open market
9. Sep 24, 2026InsiderDirector sold ~$1.02M of CIEN shares in the open market
10. Sep 25, 2026InsiderOfficer sold ~$569K of CIEN shares in the open market
11. Oct 1, 2026Insider · 3 peopleInsiders: 3 sales (~$1.7M)

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Ciena

For Ciena, OQRO holds 31 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 30 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CIEN page.

How this filing works

• SEC Form 13F

Other disclosures at Ciena

• SEC Form 4Oct 6, 2026
• SEC Form 4Oct 6, 2026
• SEC Form 4Oct 6, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 144Oct 1, 2026

Everything OQRO holds on this company is on its CIEN page.