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ONCHU 1RT ACQUISITION CORP.

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Unit (unit), issuer CIK 2054272

17 managers (17 13F filers) reported a position in ONCHU shares at 2026-06-30, 3,156,152 shares in all. 1 filer opened a position and 3 filers sold out during the quarter.

Managers
17
13F filers
17
New
1
Added
2
Reduced
2
Sold out
3
Shares held by filers
3,156,152

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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$15.5M0.02%013F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP700,000$7.24M0.05%013F-HRTimelineGroup
Ghisallo Capital Management LLC250,000$2.6M0.05%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC172,678$1.8M<0.01%+2,97713F-HRTimelineGroup
TORONTO DOMINION BANKin group TORONTO DOMINION BANK102,438$1.06M<0.01%013F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC75,000$776K0.02%013F-HRTimelineGroup
Kamunting Street Capital Management, L.…60,000$620K0.35%013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO50,000$517K<0.01%013F-HRTimelineGroup
OMERS ADMINISTRATION Corp49,991$517K<0.01%013F-HRTimeline
HRT FINANCIAL LP48,842$507K<0.01%+2,14113F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.40,583$420K<0.01%-92,70013F-HRTimelineGroup
Westchester Capital Management, LLCin group Westchester Capital Managemen…30,820$321K0.02%013F-HRTimelineGroup
Yakira Capital Management, Inc.24,485$253K0.07%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…19,128$199K<0.01%new13F-HRTimelineGroup
Parallax Volatility Advisers, L.P.12,187$127K<0.01%-113F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC10,000$104K<0.01%013F-HRTimelineGroup
READYSTATE ASSET MANAGEMENT LP10,000$104K<0.01%013F-HRTimeline