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ATEX icon

GAMCO Investors’s Anterix ATEX Stock Holding History

GAMCO Investors’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
Q1 		$16.3M Buy
425,820
+3,350
+0.8% +$106K 0.16% 180
2025
Q4 		$9.22M Buy
422,470
+102,400
+32% +$2.13M 0.09% 248
2025
Q3 		$6.87M Buy
320,070
+46,645
+17% +$1.05M 0.07% 293
2025
Q2 		$7.01M Buy
273,425
+70,855
+35% +$2.07M 0.07% 286
2025
Q1 		$7.41M Buy
202,570
+54,300
+37% +$1.87M 0.08% 261
2024
Q4 		$4.55M Buy
148,270
+46,500
+46% +$1.55M 0.05% 357
2024
Q3 		$3.83M Sell
101,770
-7,500
-7% -$289K 0.04% 381
2024
Q2 		$4.33M Buy
109,270
+15,975
+17% +$517K 0.05% 360
2024
Q1 		$3.14M Buy
93,295
+18,195
+24% +$612K 0.03% 417
2023
Q4 		$2.5M Buy
75,100
+7,000
+10% +$226K 0.03% 456
2023
Q3 		$2.14M Buy
68,100
+10,600
+18% +$333K 0.02% 466
2023
Q2 		$1.82M Buy
57,500
+24,900
+76% +$805K 0.02% 499
2023
Q1 		$1.08M Buy
32,600
+2,300
+8% +$75.4K 0.01% 572
2022
Q4 		$975K Buy
30,300
+20,800
+219% +$708K 0.01% 592
2022
Q3 		$339K Buy
9,500
+820
+9% +$34K ﹤0.01% 733
2022
Q2 		$356K Buy
8,680
+2,080
+32% +$101K ﹤0.01% 746
2022
Q1 		$382K Buy
6,600
+1,600
+32% +$87.5K ﹤0.01% 757
2021
Q4 		$294K Buy
+5,000
New +$304K ﹤0.01% 822

Other funds holding ATEX

OCAM
Owl Creek Asset Management New York $1.38B AUM 59.67% 1-Year Est. Return
HCL
Heard Capital LLC Chicago, Illinois $1.93B AUM 21.66% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
QF
QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return
PM
Plustick Management Charlottesville, Virginia $207M AUM 253.94% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

GAMCO Investors's ATEX Position: Q1 2026 in Review

GAMCO Investors increased its Anterix (ATEX) stake by 0.79% in Q1 2026, buying an estimated $106K and bringing the position to 425,820 shares worth $16.3M. The position accounts for 0.16% of the portfolio, ranked #180.

GAMCO Investors first reported a position in ATEX in Q4 2021 and has held it in 18 quarters since. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

  • GAMCO Investors held 425,820 shares of Anterix worth $16.3M as of Q1 2026.
  • GAMCO Investors bought 3,350 Anterix shares in Q1 2026, an estimated $106K.
  • Anterix made up 0.16% of GAMCO Investors's portfolio in Q1 2026, its #180 holding.
  • GAMCO Investors first reported a position in Anterix in Q4 2021 and has held it in 18 quarters since.
  • 132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.