HolderBook

ATENTO S A (ATTO)

Institutional ownership reported to the SEC as of Q3 2021, across 12 quarters.

1
Reporting holders
$6.0K
Reported value
0.0%
Held as options
+0
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
Patriot Financial Group Insurance Agency, LLC$6.0K2000.00%3qHELD

Five percent filings

Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →

FiledFormFiler % of class
2026-08-1213GDeep Track Capital, LPwith 2 co-filers7.5%
2026-08-1113DFrazier Life Sciences XI, L.P.with 8 co-filers13.5%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q3 20211$6.0K2000000.0%
Q2 20211$5.0K2000000.0%
Q1 20211$4.0K2001000.0%
Q4 20201$2.1M156,5740000.0%
Q3 20201$1.4M156,5740010.0%
Q2 202023$14.0M16,514,20822100.0%
Q1 202025$57.8M52,548,6723480.0%
Q4 201929$154.3M53,614,44903130.0%
Q3 201936$154.1M55,448,38855130.0%
Q2 201944$148.0M59,445,71248220.0%
Q1 201950$226.6M62,773,951717170.0%
Q4 201854$261.0M65,013,4433030.0%