ATEXAnterix Inc.

$94.20

Who owns ATEX

131 institutions reported holding ATEX for 2026Q1, together 89% of the company, more than the 117 a quarter earlier.

131

Institutions reporting a position · as of 2026Q1 · up from 117 the quarter before

Shares held by institutions
16.9M

Shares held by institutions · 89% of the company · long US equity positions only, as reported on Form 13F

Reported value
$646M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
50%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
43
New positions
33
Positions exited
22
Added to
46
Reduced
27
Top 10 holdersof the company
62%
Institutional ownership by quarter, 2015Q3 to 2026Q1
QuarterFilersSharesReported value
2026Q113116.9M$646M
2025Q411716.2M$353M
2025Q311016.0M$379M
2025Q211116.8M$431M
2025Q112816.4M$599M
2024Q411516.0M$491M
2024Q312915.8M$594M
2024Q211415.0M$593M
2024Q19814.7M$468M
2023Q49314.8M$466M
2023Q39815.0M$450M
2023Q29515.5M$464M
2023Q18815.6M$515M
2022Q49215.6M$504M
2022Q310015.8M$567M
2022Q29315.1M$621M
Largest reported holders, 2026Q1
HolderShares% of companyValue
Owl Creek Asset Management, L.P.5.4M29%$207M
Heard Capital LLC1.7M9.1%$66M
BlackRock Inc.1.0M5.3%$38M
VANGUARD GROUP INC0.9M4.6%$33M
QVT Financial LP0.5M2.7%$19M
PLUSTICK MANAGEMENT LLC0.5M2.6%$19M
GAMCO INVESTORS, INC. ET AL0.4M2.3%$16M
DIMENSIONAL FUND ADVISORS LP0.4M2.2%$16M
JANE STREET GROUP, LLC0.4M2.2%$16M
STATE STREET CORP0.4M2.1%$15M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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