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Potomac Capital Management, Inc.

Position in ATEX — Anterix Inc.

CIK 1418746 NEW YORK, NY

Position in ATEX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,963,008
+$9,325,510 QoQ
Shares Held
155,071
-10.8% QoQ
Ownership
0.791%
of shares outstanding
% of Portfolio
12.40%
of 13F equity value
Holder Rank
#19
of 171 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATEX Over Time

Shares Held

Position Value (USD)

Derivatives in ATEX

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$1,029,400
PutShares
10,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Telecom Services

Communication Services · as of Jun 30, 2026

Potomac Capital Management, Inc. holds $35,421,687 across 3 Telecom Services names. ATEX ranks #2 (45.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 ATEX
Anterix Inc.
This page
155,071 $15,963,008

All Filings in ATEX

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,963,008 155,071
2026-06-30 $1,029,400 10,000
2026-03-31 $286,425 7,500
2026-03-31 $6,637,498 173,802
2025-12-31 $578,495 26,500
2025-12-31 $3,523,362 161,400