Marshall Wace
ATEX icon

Marshall Wace’s Anterix ATEX Stock Holding History

Marshall Wace’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 		– Sell
-291,255
Closed -$6.36M – 3178
2025
Q4 		$6.36M Buy
291,255
+4,674
+2% +$97.1K 0.01% 1047
2025
Q3 		$6.15M Buy
286,581
+97,601
+52% +$2.19M 0.01% 1108
2025
Q2 		$4.85M Buy
188,980
+63,983
+51% +$1.87M 0.01% 1151
2025
Q1 		$4.57M Buy
124,997
+84,478
+208% +$2.91M 0.01% 1109
2024
Q4 		$1.24M Sell
40,519
-54,772
-57% -$1.82M ﹤0.01% 1630
2024
Q3 		$3.59M Buy
95,291
+36,639
+62% +$1.41M ﹤0.01% 1129
2024
Q2 		$2.32M Buy
58,652
+41,905
+250% +$1.36M ﹤0.01% 1297
2024
Q1 		$563K Buy
+16,747
New +$563K ﹤0.01% 1887
2022
Q4 		– Sell
-9,151
Closed -$328K – 2919
2022
Q3 		$328K Buy
+9,151
New +$380K ﹤0.01% 2911
2022
Q1 		– Sell
-14,854
Closed -$872K – 3329
2021
Q4 		$872K Buy
+14,854
New +$902K ﹤0.01% 2536
2021
Q3 		– Sell
-7,250
Closed -$435K – 3007
2021
Q2 		$435K Sell
7,250
-21,094
-74% -$1.06M ﹤0.01% 2193
2021
Q1 		$1.34M Buy
+28,344
New +$1.17M 0.01% 1512
2019
Q4 		– Sell
-16,420
Closed -$594K – 1682
2019
Q3 		$594K Buy
+16,420
New +$692K ﹤0.01% 1062
2019
Q2 		– Sell
-12,171
Closed -$428K – 1339
2019
Q1 		$428K Buy
+12,171
New +$478K ﹤0.01% 1178

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

Marshall Wace's ATEX Position: Q1 2026 in Review

Marshall Wace sold out of Anterix (ATEX) in Q1 2026, closing a stake of 291,255 shares — an estimated $6.36M sold.

Marshall Wace first reported a position in ATEX in Q1 2019 and held it in 14 quarters. The position peaked at $6.36M in Q4 2025. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

  • Marshall Wace reported no remaining Anterix position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 291,255 Anterix shares in Q1 2026, an estimated $6.36M.
  • Marshall Wace first reported a position in Anterix in Q1 2019 and held it in 14 quarters.
  • Marshall Wace's Anterix position peaked at $6.36M in Q4 2025.
  • 132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.