Position in CIEN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$226,209,194
+$84,158,665 QoQ
Shares Held
582,668
-4.1% QoQ
Ownership
0.412%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
6 quarters on record
Voting authority
Sole 79%
Shared 17%
None 4%
Common Shares in CIEN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $509,701,070 across 7 Communication Equipment names. CIEN ranks #1 (44.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CIEN |
Ciena Corp
This page
|
582,668 | $226,209,194 | |
| 2 | ZBRA |
Zebra Technologies Corp
|
542,288 | $113,381,574 | |
| 3 | CSCO |
Cisco Systems, Inc.
|
1,083,539 | $84,071,789 | |
| 4 | MSI |
Motorola Solutions, Inc.
|
91,086 | $39,528,588 | |
| 5 | DGII |
Digi International Inc
|
543,997 | $26,220,655 | |
| 6 | BDC |
Belden Inc.
|
169,280 | $19,438,422 | |
| 7 | ADTN |
ADTRAN Holdings, Inc.
|
67,635 | $850,848 |
All Filings in CIEN
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $226,209,194 | 582,668 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $142,050,529 | 607,391 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $23,543,474 | 161,622 | Shares | Sole | 2025-10-29 | |
| 2021-03-31 | $609,580 | 11,140 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,352,008 | 25,582 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $1,277,025 | 32,175 | Shares | Sole | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||