XTX Topco’s Anterix ATEX Stock Holding History

XTX Topco’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	-14,255	Closed	-$311K	–	3824
2025 Q4	$311K	Buy	+14,255	New	+$296K	0.01%	2033
2025 Q2	–	Sell	-7,758	Closed	-$284K	–	2341
2025 Q1	$284K	Sell	7,758 -5,680	-42%	-$195K	0.01%	1452
2024 Q4	$412K	Buy	+13,438	New	+$447K	0.03%	942

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 New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

QVT Financial New York $1.37B AUM 148.1% 1-Year Est. Return

Plustick Management Charlottesville, Virginia $207M AUM 253.94% 1-Year Est. Return

GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

XTX Topco's ATEX Position: Q1 2026 in Review

XTX Topco sold out of Anterix (ATEX) in Q1 2026, closing a stake of 14,255 shares — an estimated $311K sold.

XTX Topco first reported a position in ATEX in Q4 2024 and held it in 3 quarters. The position peaked at $412K in Q4 2024. 132 funds tracked by Wall St. Rank hold ATEX as of Q1 2026.

XTX Topco reported no remaining Anterix position as of Q1 2026 after selling out during the quarter.
XTX Topco sold 14,255 Anterix shares in Q1 2026, an estimated $311K.
XTX Topco first reported a position in Anterix in Q4 2024 and held it in 3 quarters.
XTX Topco's Anterix position peaked at $412K in Q4 2024.
132 funds tracked by Wall St. Rank held Anterix as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.