CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in ADTN — ADTRAN Holdings, Inc.
CIK 884546
SAN FRANCISCO, CA
Position in ADTN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,851,328
+$1,881,820 QoQ
Shares Held
624,112
-9.1% QoQ
Ownership
0.771%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ADTN Over Time
Shares Held
Position Value (USD)
Position in Communication Equipment
Technology · as of Mar 31, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $5,381,079,203 across 27 Communication Equipment names. ADTN ranks #19 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
33,989,713 | $2,637,261,831 | |
| 2 | LITE |
Lumentum Holdings Inc.
|
974,034 | $684,512,133 | |
| 3 | MSI |
Motorola Solutions, Inc.
|
1,442,192 | $625,868,061 | |
| 4 | CIEN |
Ciena Corp
|
1,272,258 | $493,928,723 | |
| 5 | HPE |
Hewlett Packard Enterprise Co
|
10,514,571 | $250,351,935 | |
| 6 | ASTS |
AST SpaceMobile, Inc.
|
1,554,983 | $128,861,441 | |
| 7 | VIAV |
Viavi Solutions Inc.
|
2,951,372 | $98,221,660 | |
| 8 | VSAT |
Viasat Inc
|
2,117,498 | $96,981,408 |
All Filings in ADTN
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,851,328 | 624,112 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $5,969,508 | 686,940 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $6,457,557 | 688,439 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $6,118,158 | 682,069 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $6,141,251 | 704,272 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $6,304,960 | 756,898 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $5,224,169 | 880,973 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $5,346,569 | 1,016,458 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $6,203,025 | 1,140,262 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $7,486,954 | 1,020,021 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $7,509,282 | 912,428 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $8,444,091 | 801,908 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $12,181,415 | 768,059 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $14,700,901 | 782,379 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $15,433,602 | 788,233 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||