Jane Street
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Jane Street’s Anterix ATEX Stock Holding History

Jane Street’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 		$16.1M Buy
420,857
+261,843
+165% +$8.29M ﹤0.01% 1984
2025
Q4 		$3.47M Buy
159,014
+116,731
+276% +$2.42M ﹤0.01% 3810
2025
Q3 		$908K Buy
+42,283
New +$948K ﹤0.01% 6514
2025
Q2 		– Sell
-45,028
Closed -$1.32M – 9579
2025
Q1 		$1.65M Buy
45,028
+5,237
+13% +$180K ﹤0.01% 4672
2024
Q4 		$1.22M Sell
39,791
-89,101
-69% -$2.96M ﹤0.01% 5000
2024
Q3 		$4.85M Buy
128,892
+71,059
+123% +$2.74M ﹤0.01% 2909
2024
Q2 		$2.29M Buy
57,833
+38,725
+203% +$1.25M ﹤0.01% 4251
2024
Q1 		$642K Sell
19,108
-13,888
-42% -$467K ﹤0.01% 6223
2023
Q4 		$1.1M Sell
32,996
-69,997
-68% -$2.26M ﹤0.01% 5390
2023
Q3 		$3.23M Buy
102,993
+76,852
+294% +$2.42M ﹤0.01% 3253
2023
Q2 		$828K Sell
26,141
-13,104
-33% -$423K ﹤0.01% 5525
2023
Q1 		$1.3M Sell
39,245
-3,813
-9% -$125K ﹤0.01% 4540
2022
Q4 		$1.39M Buy
43,058
+27,612
+179% +$940K ﹤0.01% 4460
2022
Q3 		$552K Buy
+15,446
New +$641K ﹤0.01% 6512
2021
Q4 		– Sell
-5,220
Closed -$317K – 10020
2021
Q3 		$317K Sell
5,220
-13,640
-72% -$800K ﹤0.01% 8071
2021
Q2 		$1.13M Buy
18,860
+150
+0.8% +$7.51K ﹤0.01% 5570
2021
Q1 		$882K Buy
+18,710
New +$770K ﹤0.01% 5694
2020
Q4 		– Sell
-32,037
Closed -$1.05M – 7443
2020
Q3 		$1.05M Sell
32,037
-23,756
-43% -$1.01M ﹤0.01% 4022
2020
Q2 		$2.53M Buy
+55,793
New +$2.85M ﹤0.01% 2738

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
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

Jane Street's ATEX Position: Q1 2026 in Review

Jane Street increased its Anterix (ATEX) stake by 165% in Q1 2026, buying an estimated $8.29M and bringing the position to 420,857 shares worth $16.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1984.

Jane Street first reported a position in ATEX in Q2 2020 and has held it in 19 quarters since. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

  • Jane Street held 420,857 shares of Anterix worth $16.1M as of Q1 2026.
  • Jane Street bought 261,843 Anterix shares in Q1 2026, an estimated $8.29M.
  • Anterix made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #1984 holding.
  • Jane Street first reported a position in Anterix in Q2 2020 and has held it in 19 quarters since.
  • 132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.