State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Anterix ATEX Stock Holding History

State of Wisconsin Investment Board’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 		$507K Sell
13,269
-5,163
-28% -$163K ﹤0.01% 1995
2025
Q4 		$402K Buy
+18,432
New +$383K ﹤0.01% 2045
2025
Q2 		– Sell
-11,373
Closed -$416K – 2322
2025
Q1 		$416K Buy
11,373
+1,199
+12% +$41.2K ﹤0.01% 1842
2024
Q4 		$312K Sell
10,174
-14,188
-58% -$472K ﹤0.01% 1989
2024
Q3 		$917K Buy
24,362
+3,400
+16% +$131K ﹤0.01% 1594
2024
Q2 		$830K Buy
20,962
+4,837
+30% +$157K ﹤0.01% 1616
2024
Q1 		$542K Sell
16,125
-3,138
-16% -$105K ﹤0.01% 1708
2023
Q4 		$642K Sell
19,263
-1,155
-6% -$37.3K ﹤0.01% 1579
2023
Q3 		$641K Sell
20,418
-2,925
-13% -$92K ﹤0.01% 1595
2023
Q2 		$740K Buy
23,343
+9,172
+65% +$296K ﹤0.01% 1597
2023
Q1 		$468K Sell
14,171
-63,882
-82% -$2.09M ﹤0.01% 1899
2022
Q4 		$2.51M Sell
78,053
-816
-1% -$27.8K 0.01% 1256
2022
Q3 		$2.82M Sell
78,869
-633
-0.8% -$26.3K 0.01% 1221
2022
Q2 		$3.27M Buy
79,502
+3,102
+4% +$151K 0.01% 1196
2022
Q1 		$4.42M Buy
76,400
+17,100
+29% +$935K 0.01% 1203
2021
Q4 		$3.48M Hold
59,300
– – 0.01% 1140
2021
Q3 		$3.6M Buy
59,300
+25,400
+75% +$1.49M 0.01% 1140
2021
Q2 		$2.03M Buy
+33,900
New +$1.7M ﹤0.01% 1287

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
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 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

State of Wisconsin Investment Board's ATEX Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Anterix (ATEX) stake by 28% in Q1 2026, selling an estimated $163K and leaving 13,269 shares worth $507K. The position accounts for ﹤0.01% of the portfolio, ranked #1995.

State of Wisconsin Investment Board first reported a position in ATEX in Q2 2021 and has held it in 18 quarters since. The position peaked at $4.42M in Q1 2022. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

  • State of Wisconsin Investment Board held 13,269 shares of Anterix worth $507K as of Q1 2026.
  • State of Wisconsin Investment Board sold 5,163 Anterix shares in Q1 2026, an estimated $163K.
  • Anterix made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1995 holding.
  • State of Wisconsin Investment Board first reported a position in Anterix in Q2 2021 and has held it in 18 quarters since.
  • State of Wisconsin Investment Board's Anterix position peaked at $4.42M in Q1 2022.
  • 132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.