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SEI INVESTMENTS CO

Position in ADTN — ADTRAN Holdings, Inc.

CIK 350894 OAKS, PA

Position in ADTN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$5,605,216
-$8,297,067 QoQ
Shares Held
403,253
-63.5% QoQ
Ownership
0.495%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#52
of 249 holders
Holding Since
Sep 2022
6 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 Jun 30, 2026

SEI INVESTMENTS CO holds $1,045,906,300 across 30 Communication Equipment names. ADTN ranks #17 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ADTN

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,605,216 403,253
2026-03-31 $13,902,283 1,105,110
2025-12-31 $3,665,858 421,848
2023-03-31 $425,793 26,847
2022-12-31 $2,267,369 120,669
2022-09-30 $1,399,557 71,479