CenterBook Partners’s Anterix ATEX Stock Holding History

CenterBook Partners’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 Q2	$708K	Sell	6,877 -120,797	-95%	-$7.09M	0.03%	439
2026 Q1	$4.88M	Buy	+127,674	New	+$4.04M	0.26%	105
2024 Q2	–	Sell	-25,058	Closed	-$842K	–	393
2024 Q1	$842K	Buy	25,058 +7,531	+43%	+$253K	0.06%	322
2023 Q4	$584K	Sell	17,527 -19,342	-52%	-$624K	0.07%	311
2023 Q3	$1.16M	Buy	36,869 +16,170	+78%	+$509K	0.14%	231
2023 Q2	$656K	Sell	20,699 -1,395	-6%	-$45.1K	0.08%	305
2023 Q1	$730K	Buy	22,094 +2,734	+14%	+$89.6K	0.1%	276
2022 Q4	$623K	Sell	19,360 -4,664	-19%	-$159K	0.1%	254
2022 Q3	$858K	Buy	24,024 +8,471	+54%	+$352K	0.17%	210
2022 Q2	$639K	Buy	15,553 +8,852	+132%	+$430K	0.14%	252
2022 Q1	$388K	Buy	6,701 +1,306	+24%	+$71.4K	0.14%	247
2021 Q4	$317K	Buy	+5,395	New	+$327K	0.19%	195

Other funds holding ATEX

OCAM

Owl Creek Asset Management New York $1.21B AUM 169.99% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

HCL

Heard Capital LLC Chicago, Illinois $2.34B AUM 46.76% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Plustick Management Charlottesville, Virginia $269M AUM 340.55% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return

CenterBook Partners's ATEX Position: Q2 2026 in Review

CenterBook Partners reduced its Anterix (ATEX) stake by 95% in Q2 2026, selling an estimated $7.09M and leaving 6,877 shares worth $708K. The position accounts for 0.03% of the portfolio, ranked #439.

CenterBook Partners first reported a position in ATEX in Q4 2021 and has held it in 12 quarters since. The position peaked at $4.88M in Q1 2026. 171 funds tracked by Wall St. Rank hold ATEX as of Q2 2026.

CenterBook Partners held 6,877 shares of Anterix worth $708K as of Q2 2026.
CenterBook Partners sold 120,797 Anterix shares in Q2 2026, an estimated $7.09M.
Anterix made up 0.03% of CenterBook Partners's portfolio in Q2 2026, its #439 holding.
CenterBook Partners first reported a position in Anterix in Q4 2021 and has held it in 12 quarters since.
CenterBook Partners's Anterix position peaked at $4.88M in Q1 2026.
171 funds tracked by Wall St. Rank held Anterix as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.