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ONCHU 1RT ACQUISITION CORP.

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Unit (unit), issuer CIK 2054272

19 managers (19 13F filers) reported a position in ONCHU shares at 2026-03-31, 3,744,786 shares in all. 1 filer opened a position and 4 filers sold out during the quarter.

Managers
19
13F filers
19
New
1
Added
3
Reduced
3
Sold out
4
Shares held by filers
3,744,786

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, 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
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.1,500,000$15.4M0.03%013F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP700,000$7.2M0.07%013F-HRTimelineGroup
Polar Asset Management Partners Inc.500,000$5.14M0.12%013F-HRTimeline
Ghisallo Capital Management LLC250,000$2.57M0.07%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC169,701$1.74M<0.01%-6,92913F-HRTimelineGroup
Clear Street Group Inc.in group Clear Street Group Inc.133,283$1.37M0.01%+34,85013F-HRTimelineGroup
TORONTO DOMINION BANKin group TORONTO DOMINION BANK102,438$1.05M<0.01%013F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC75,000$771K0.02%013F-HRTimelineGroup
Kamunting Street Capital Management, L.…60,000$617K0.34%013F-HRTimeline
OMERS ADMINISTRATION Corp49,991$514K<0.01%+24,99113F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO50,000$512K<0.01%013F-HR/ATimelineGroup
HRT FINANCIAL LP46,701$480K<0.01%-2,69713F-HRTimeline
Westchester Capital Management, LLCin group Westchester Capital Managemen…30,820$317K0.02%013F-HRTimelineGroup
Yakira Capital Management, Inc.24,485$252K0.07%-51513F-HRTimeline
SCOGGIN MANAGEMENT LPin group SCOGGIN MANAGEMENT LP20,000$206K0.08%013F-HRTimelineGroup
Parallax Volatility Advisers, L.P.12,188$125K0.01%new13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC10,000$103K<0.01%013F-HR/ATimelineGroup
READYSTATE ASSET MANAGEMENT LP10,000$103K0.01%013F-HRTimeline
UBS Group AGin group UBS Group AG179$1.84K<0.01%+3513F-HRTimelineGroup