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 		$783K Buy
+20,500
New +$649K ﹤0.01% 7032
2025
Q4 		– Sell
-13,500
Closed -$290K – 11075
2025
Q3 		$290K Sell
13,500
-33,600
-71% -$753K ﹤0.01% 8970
2025
Q2 		$1.21M Buy
47,100
+40,500
+614% +$1.19M ﹤0.01% 5264
2025
Q1 		$242K Buy
+6,600
New +$227K ﹤0.01% 8168
2024
Q3 		– Sell
-14,500
Closed -$574K – 9544
2024
Q2 		$574K Buy
14,500
+4,300
+42% +$139K ﹤0.01% 6791
2024
Q1 		$343K Buy
+10,200
New +$343K ﹤0.01% 7339
2023
Q1 		– Sell
-87,900
Closed -$2.83M – 8982
2022
Q4 		$2.83M Buy
+87,900
New +$2.99M ﹤0.01% 3315
2021
Q3 		– Sell
-26,200
Closed -$1.57M – 9885
2021
Q2 		$1.57M Buy
26,200
+11,100
+74% +$556K ﹤0.01% 4827
2021
Q1 		$712K Buy
+15,100
New +$621K ﹤0.01% 6140
2020
Q4 		– Sell
-110,700
Closed -$3.62M – 7442
2020
Q3 		$3.62M Buy
110,700
+21,600
+24% +$914K ﹤0.01% 2217
2020
Q2 		$4.04M Buy
+89,100
New +$4.55M ﹤0.01% 2113

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.