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Disclosery

ATER ATERIAN INC

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COM NEW (common), issuer CIK 1757715

24 managers (26 13F filers) reported a position in ATER shares at 2026-03-31, 530,101 shares in all. 4 filers opened a position and 9 filers sold out during the quarter.

Managers
24
13F filers
26
New
4
Added
4
Reduced
4
Sold out
9
Shares held by filers
530,101

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC133,874$76.7K<0.01%+74,76413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 3 filers holding84,615$48.5KnewTimeline
BlackRock, Inc.in group BlackRock, Inc.72,289$41.4K<0.01%013F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd57,918$33.2K<0.01%+31,78313F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC48,647$27.9K<0.01%+5,80013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…36,991$21.2K<0.01%-8,06113F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC32,180$18.4K<0.01%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP24,007$13.8K<0.01%013F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP10,879$6.23K<0.01%013F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC10,600$6K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG5,499$3.15K<0.01%-49813F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA5,386$3K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO2,784$1.58K<0.01%013F-HR/ATimelineGroup
Apollo Management Holdings, L.P.in group Apollo Management Holdings, L…2,276$1.3K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,466$840<0.01%-813F-HRTimelineGroup
SBI Securities Co., Ltd.315$181<0.01%+413F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.231$130<0.01%-20813F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS73$42<0.01%013F-HRTimelineGroup
STANCE CAPITAL LLC36$21<0.01%new13F-HRTimeline
PROATHLETE WEALTH MANAGEMENT LLC21$12<0.01%013F-HRTimeline
IFP Advisors, Inc11$6<0.01%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY1$1<0.01%013F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/1$1<0.01%013F-HRTimelineGroup
TD Waterhouse Canada Inc.1$1<0.01%013F-HRTimeline

Events

  • Chang Woei Jiann reported 26,121,180 ATER shares, 10% of the class, as of 2026-09-25, in a 13D filed 2026-10-02. 0001437749-26-031910

    Accepted , ingested

  • Michelle Chiam Sin Ling reported 26,121,180 ATER shares, 10% of the class, as of 2026-09-25, in a 13D filed 2026-10-02. 0001437749-26-031908

    Accepted , ingested

  • Lazar David E. reported 8,038,030 ATER shares, 3.1% of the class, as of 2026-09-25, in a 13D/A filed 2026-09-29. 0001829126-26-010591

    Accepted , ingested