Position in CIEN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$10,277,232
-$2,049,070 QoQ
Shares Held
20,950
-34.0% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#277
of 1,218 holders
Holding Since
Dec 2021
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $93,420,638 across 3 Communication Equipment names. CIEN ranks #3 (11.0% of the industry book) .
All Filings in CIEN
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $10,277,232 | 20,950 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $12,326,302 | 31,750 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $7,425,372 | 31,750 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $4,625,022 | 31,750 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,582,227 | 31,750 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,918,652 | 31,750 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $2,692,717 | 31,750 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $35,402,794 | 574,814 | Shares | Sole | 2024-11-12 | |
| 2022-09-30 | $37,969,025 | 939,130 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $34,794,471 | 761,367 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $60,561,184 | 998,865 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $728,136 | 9,460 | Shares | Sole | 2022-02-10 | |
| No filing history on record for this holder in this stock. | ||||||