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Granahan Investment Management, LLC

Position in ATEX — Anterix Inc.

CIK 1026710 WALTHAM, MA

Position in ATEX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,424,135
New position
Shares Held
72,121
first reported quarter
Ownership
0.368%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
#31
of 171 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 94% Shared 0% None 6%

Position in Telecom Services

Communication Services · as of Jun 30, 2026

Granahan Investment Management, LLC holds $11,624,958 across 2 Telecom Services names. ATEX ranks #1 (63.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ATEX
Anterix Inc.
This page
72,121 $7,424,135

All Filings in ATEX

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $7,424,135 72,121