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AMBWQ AMBIPAR EMERGENCY RESPONSE WT

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*W EXP 03/06/202 (warrant or right)

16 managers (16 13F filers) reported a position in AMBWQ shares at 2024-12-31, 3,836,156 shares in all. 1 filer opened a position and 6 filers sold out during the quarter.

Managers
16
13F filers
16
New
1
Added
0
Reduced
3
Sold out
6
Shares held by filers
3,836,156

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

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, 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
SPX Gestao de Recursos Ltdain group SPX Gestao de Recursos Ltda1,592,965$462K0.07%-135,74313F-HRTimelineGroup
Sharp Capital Gestora de Recursos Ltda.1,075,000$312K0.77%013F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP200,000$58K<0.01%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…200,000$58K<0.01%013F-HRTimeline
CLEAR STREET LLC173,290$50.3K<0.01%013F-HR/ATimeline
TENOR CAPITAL MANAGEMENT Co., L.P.150,000$43.5K<0.01%013F-HRTimeline
Linden Advisors LPin group Linden Advisors LP123,683$39K<0.01%013F-HRTimelineGroup
HGC Investment Management Inc.130,905$38K0.02%013F-HRTimeline
Vestcor Inc80,796$23K<0.01%013F-HRTimeline
Taconic Capital Advisors LPin group Taconic Capital Advisors LP40,000$11.6K<0.01%013F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
HRT FINANCIAL LP35,397$10K<0.01%-43,00413F-HRTimeline
OMERS ADMINISTRATION Corp20,200$5.86K<0.01%013F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC13,770$3.99K<0.01%-1,24813F-HRTimelineGroup
UBS Group AGin group UBS Group AG124$36<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…26$8<0.01%013F-HRTimelineGroup
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.