Ray Dalio's CIEN Position Overview
Ray Dalio (via Bridgewater Associates, Lp) currently holds 212,643 shares of Ciena Corporation (CIEN) worth $49.73 M, representing 0.18% of the portfolio. First purchased in 2015-Q3, this medium-term investment has been held for 12 quarters.
Based on 13F filings, Ray Dalio has maintained a strategic position in CIEN, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2025, adding 113,751 shares. Largest reduction occurred in Q4 2015, reducing 19,431 shares.
Analysis based on 13F filings available since 2013 Q2
Ray Dalio's Ciena Corporation (CIEN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ciena Corporation (CIEN) Trades by Ray Dalio
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +50,936 | Add 31.50% | 212,643 | $233.87 |
| Q3 2025 | +113,751 | Add 237.20% | 161,707 | $145.67 |
| Q2 2025 | +47,956 | New Buy | 47,956 | $81.33 |
| Q3 2021 | -7,283 | Sold Out | 0 | $0.00 |
| Q2 2021 | +7,283 | New Buy | 7,283 | $56.84 |
| Q1 2019 | -14,882 | Sold Out | 0 | $0.00 |
| Q4 2018 | +14,882 | New Buy | 14,882 | $33.93 |
| Q3 2018 | -8,938 | Sold Out | 0 | $0.00 |
| Q2 2018 | -6,356 | Reduce 41.56% | 8,938 | $26.52 |
| Q1 2018 | +15,294 | New Buy | 15,294 | $25.89 |
| Q4 2015 | -19,431 | Sold Out | 0 | $0.00 |
| Q3 2015 | +19,431 | New Buy | 19,431 | $20.74 |
Ray Dalio's Ciena Corporation Investment FAQs
Ray Dalio first purchased Ciena Corporation (CIEN) in Q3 2015, acquiring 19,431 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Ray Dalio has held Ciena Corporation (CIEN) for 12 quarters since Q3 2015.
Ray Dalio's largest addition to Ciena Corporation (CIEN) was in Q3 2025, adding 161,707 shares worth $23.56 M.
According to the latest 13F filing for Q4 2025, Ray Dalio's firm, Bridgewater Associates, Lp, owns 212,643 shares of Ciena Corporation (CIEN), valued at approximately $49.73 M.
As of the Q4 2025 filing, Ciena Corporation (CIEN) represents approximately 0.18% of Ray Dalio's publicly disclosed stock portfolio, making it one of their key holdings.
Ray Dalio's peak holding in Ciena Corporation (CIEN) was 212,643 shares, as reported at the end of Q4 2025.