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Granahan Investment Management’s Anterix ATEX Stock Holding History

Granahan Investment 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 		$7.42M Buy
+72,121
New +$4.23M 0.26% 89

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
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PM
Plustick Management Charlottesville, Virginia $269M AUM 340.55% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

Granahan Investment Management's ATEX Position: Q2 2026 in Review

Granahan Investment Management opened a new position in Anterix (ATEX) in Q2 2026: 72,121 shares worth $7.42M. The stake represents 0.26% of the portfolio and ranks #89 among its holdings.

172 funds tracked by Wall St. Rank hold ATEX as of Q2 2026.

  • Granahan Investment Management held 72,121 shares of Anterix worth $7.42M as of Q2 2026.
  • Anterix was a new Granahan Investment Management position in Q2 2026.
  • Anterix made up 0.26% of Granahan Investment Management's portfolio in Q2 2026, its #89 holding.
  • 172 funds tracked by Wall St. Rank held Anterix as of Q2 2026.

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