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Disclosery

PACH PIONEER ACQUISITION I CORP

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CL A ORD SHS (common), issuer CIK 2040381

67 managers (67 13F filers) reported a position in PACH shares at 2026-06-30, 22,514,580 shares in all. 7 filers opened a position and 1 filer sold out during the quarter.

Managers
67
13F filers
67
New
7
Added
7
Reduced
9
Sold out
1
Shares held by filers
22,514,580

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
Westchester Capital Management, LLCin group Westchester Capital Managemen…1,258,612$12.9M0.65%013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.1,252,350$12.8M0.01%013F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC1,210,643$12.4M0.31%013F-HRTimelineGroup
Linden Advisors LPin group Linden Advisors LP1,000,000$10.2M0.05%013F-HRTimelineGroup
Magnetar Financial LLCin group Magnetar Financial LLC1,000,000$10.2M0.09%013F-HRTimelineGroup
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC956,895$9.77M0.14%+8,51413F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP797,500$8.16M0.01%013F-HRTimelineGroup
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC788,462$8.07M0.11%+85,68413F-HRTimelineGroup
Wealthspring Capital LLC776,258$7.94M1.77%-65,25013F-HRTimeline
MMCAP International Inc. SPCin group MMCAP750,000$7.67M0.65%013F-HRTimelineGroup
Radcliffe Capital Management, L.P.629,549$6.44M0.49%+30213F-HRTimeline
TENOR CAPITAL MANAGEMENT Co., L.P.600,000$6.14M0.09%013F-HRTimeline
Karpus Management, Inc.551,988$5.65M0.16%+50,00013F-HRTimeline
Verition Fund Management LLC525,558$5.37M0.04%013F-HR/ATimeline
PICTON MAHONEY ASSET MANAGEMENT500,000$5.12M0.05%013F-HRTimeline
First Trust Capital Management L.P.500,000$5.12M0.3%013F-HRTimeline
Alberta Investment Management Corp500,000$5.11M0.03%013F-HRTimeline
MANGROVE PARTNERS IM, LLC450,000$4.6M0.3%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…450,000$4.59M0.01%-200,00013F-HRTimeline
OMERS ADMINISTRATION Corp440,000$4.49M0.03%013F-HRTimeline
ARISTEIA CAPITAL, L.L.C.400,000$4.09M0.06%013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…400,000$4.09M0.02%013F-HRTimeline
Polar Asset Management Partners Inc.400,000$4.09M0.07%013F-HRTimeline
Mint Tower Capital Management B.V.400,000$4.09M0.48%013F-HRTimeline
Jain Global LLC386,736$3.95M0.05%-113,24313F-HRTimeline
Shaolin Capital Management LLC377,218$3.86M0.22%-122,78213F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS348,493$3.56M<0.01%013F-HRTimelineGroup
WHITEBOX ADVISORS LLC300,000$3.07M0.05%013F-HRTimeline
Periscope Capital Inc.300,000$3.07M0.49%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC287,700$2.94M<0.01%+113F-HRTimelineGroup
Meteora Capital, LLC272,969$2.79M0.23%new13F-HRTimeline
RIVERNORTH CAPITAL MANAGEMENT, LLC249,758$2.57M0.12%013F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP250,000$2.56M0.06%013F-HRTimeline
Ghisallo Capital Management LLC250,000$2.55M0.05%013F-HRTimeline
O'Connor Alternative Investments LLC250,000$2.55M0.19%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…246,000$2.51M0.01%013F-HRTimelineGroup
CSS LLC/IL210,988$2.16M0.1%013F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC183,497$1.85M0.03%new13F-HR/ATimelineGroup
Context Capital Management, LLC150,000$1.53M0.03%013F-HRTimeline
TIG Advisors, LLCin group TIG Advisors, LLC150,000$1.53M0.07%013F-HRTimelineGroup
BERKLEY W R CORP148,726$1.52M0.07%013F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.139,861$1.43M<0.01%-9,59513F-HRTimelineGroup
Parallax Volatility Advisers, L.P.129,909$1.33M0.05%+35,50813F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK125,000$1.28M<0.01%-43,87513F-HRTimelineGroup
SONA ASSET MANAGEMENT (US) LLCin group SONA ASSET MANAGEMENT (US) LLC111,059$1.14M0.04%013F-HRTimelineGroup
Lineage Point Capital LP106,805$1.09M0.22%013F-HRTimeline
Dakota Wealth Management104,100$1.06M0.02%013F-HRTimeline
DLD Asset Management, LP102,737$1.05M0.09%-25,00013F-HRTimeline
Governors Lane LP100,000$1.02M0.1%013F-HRTimeline
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…100,000$1.02M0.24%013F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC83,391$853K0.02%013F-HRTimeline
GRITSTONE ASSET MANAGEMENT LLC69,324$709K0.68%013F-HRTimeline
Logan Stone Capital, LLC60,737$621K0.13%new13F-HRTimeline
Timelo Investment Management Inc.in group Timelo Investment Management …60,000$614K0.77%013F-HRTimelineGroup
Centiva Capital, LP50,000$510K0.02%013F-HRTimeline
Limestone Investment Advisors LP48,017$491K0.25%new13F-HRTimeline
Kepos Capital LPin group Kepos Capital LP47,100$482K0.66%013F-HRTimelineGroup
PenderFund Capital Management Ltd.38,172$390K0.05%+22,97213F-HRTimeline
Stoic Point Capital Management LLC33,775$346K0.29%013F-HRTimeline
ABC ARBITRAGE SAin group ABC ARBITRAGE SA25,000$256K0.03%013F-HRTimelineGroup
HRT FINANCIAL LP24,534$250K<0.01%new13F-HRTimeline
L1 Global Manager Pty Ltd24,400$250K0.2%013F-HRTimeline
Arax Advisory Partners10,500$107K<0.01%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC10,203$104K<0.01%new13F-HRTimelineGroup
DELTEC ASSET MANAGEMENT LLC10,000$102K0.02%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY49$501<0.01%-1913F-HRTimelineGroup
UBS Group AGin group UBS Group AG7$72<0.01%-9,05313F-HRTimelineGroup