Potomac Capital Management’s Anterix ATEX Stock Holding History

Potomac Capital Management’s Portfolio ATEX Stock Details ATEX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$16M	Sell	155,071 -18,731	-11%	-$1.1M	10.89%	2
2026 Q1	$6.64M	Buy	173,802 +12,402	+8%	+$392K	5.77%	2
2025 Q4	$3.52M	Buy	+161,400	New	+$3.35M	2.83%	7

Other funds holding ATEX

OCAM

Owl Creek Asset Management New York $1.21B AUM 169.99% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

HCL

Heard Capital LLC Chicago, Illinois $2.34B AUM 46.76% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Plustick Management Charlottesville, Virginia $269M AUM 340.55% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

Potomac Capital Management's ATEX Position: Q2 2026 in Review

Potomac Capital Management reduced its Anterix (ATEX) stake by 11% in Q2 2026, selling an estimated $1.1M and leaving 155,071 shares worth $16M. The position accounts for 10.89% of the portfolio, ranked #2.

Potomac Capital Management first reported a position in ATEX in Q4 2025 and has held it in 3 quarters since. 172 funds tracked by Wall St. Rank hold ATEX as of Q2 2026.

Potomac Capital Management held 155,071 shares of Anterix worth $16M as of Q2 2026.
Potomac Capital Management sold 18,731 Anterix shares in Q2 2026, an estimated $1.1M.
Anterix made up 10.89% of Potomac Capital Management's portfolio in Q2 2026, its #2 holding.
Potomac Capital Management first reported a position in Anterix in Q4 2025 and has held it in 3 quarters since.
172 funds tracked by Wall St. Rank held Anterix as of Q2 2026.

Based on Potomac Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.