Anterix Inc.

Historical 13F Holders

Symbol
ATEX
CUSIP
03676C100
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 03676C100 since 12/18/2024, largest first.

Filer % of Class Filed
Owl Creek Asset Management, L.P. 13D/A
28.5% 7/8/2026
Event 6/25/2026
T. Rowe Price Investment Management, Inc. 13G 12.0% 7/8/2026
Event 6/30/2026
Heard Capital LLC 13D/A
9.4% 3/5/2025
Event 2/28/2025
BlackRock, Inc. 13G 5.1% 7/27/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Vanguard Group Inc 13G/A 4.97% 1/30/2026
Event 12/31/2025
DG Capital Management, LLC 13G/A
4.0% 11/12/2025
Event 9/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 13 125 k $9.77 M
2026 Q2 191 19.1 M $1.97 B
2026 Q1 145 16.9 M $646 M
2025 Q4 124 16.2 M $353 M
2025 Q3 119 17.7 M $416 M
2025 Q2 123 17.1 M $437 M
2025 Q1 139 16.4 M $599 M
2024 Q4 123 16.0 M $491 M
2024 Q3 134 15.8 M $594 M
2024 Q2 124 15.1 M $598 M
2024 Q1 105 15.3 M $516 M
2023 Q4 101 15.1 M $504 M
2023 Q3 107 15.0 M $450 M
2023 Q2 99 15.5 M $491 M
2023 Q1 92 15.6 M $515 M
2022 Q4 99 16.0 M $516 M
2022 Q3 104 15.8 M $568 M
2022 Q2 103 15.1 M $621 M
2022 Q1 115 15.2 M $882 M
2021 Q4 114 15.2 M $893 M
2021 Q3 114 15.2 M $920 M
2021 Q2 119 15.2 M $912 M
2021 Q1 108 15.5 M $731 M
2020 Q4 104 16.8 M $633 M
2020 Q3 108 16.0 M $522 M
2020 Q2 121 16.4 M $744 M
2020 Q1 93 17.1 M $783 M
2019 Q4 86 16.4 M $707 M
2019 Q3 77 13.7 M $495 M
2019 Q2 2 53.4 k $2.51 M