MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in ADTN — ADTRAN Holdings, Inc.
CIK 912938
Boston, MA
Position in ADTN
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$1,524,468
+$673,620 QoQ
Shares Held
109,674
+62.2% QoQ
Ownership
0.135%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#92
of 249 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority
Sole 83%
Shared 17%
None 0%
Common Shares in ADTN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Jun 30, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $946,765,539 across 10 Communication Equipment names. ADTN ranks #9 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CIEN |
Ciena Corp
|
641,020 | $314,458,769 | |
| 2 | HPE |
Hewlett Packard Enterprise Co
|
4,678,454 | $211,045,058 | |
| 3 | ZBRA |
Zebra Technologies Corp
|
596,063 | $156,919,544 | |
| 4 | CSCO |
Cisco Systems, Inc.
|
1,080,346 | $126,897,440 | |
| 5 | DGII |
Digi International Inc
|
954,057 | $71,506,572 | |
| 6 | BDC |
Belden Inc.
|
212,728 | $25,508,214 | |
| 7 | MSI |
Motorola Solutions, Inc.
|
57,276 | $23,786,145 | |
| 8 | VSAT |
Viasat Inc
|
165,999 | $14,908,370 |
All Filings in ADTN
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,524,468 | 109,674 | Shares | Defined | 2026-08-03 | |
| 2026-03-31 | $850,848 | 67,635 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $603,354 | 69,431 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $672,817 | 71,729 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $601,079 | 67,010 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $577,115 | 66,183 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $563,882 | 67,693 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $413,409 | 69,715 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $375,579 | 71,403 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $375,398 | 69,007 | Shares | Sole | 2024-05-14 | |
| No filing history on record for this holder in this stock. | ||||||