Pioneer Acquisition I Ownership | Who Owns Pioneer Acquisition I?
Pioneer Acquisition I Ownership Summary
Pioneer Acquisition I is owned by 164.67% institutional investors. Westchester capital management is the largest institutional shareholder, holding 9.31% of PACH shares. Westchester Merger Arbitrage Composite is the top mutual fund, with 3.49% of its assets in Pioneer Acquisition I shares.
PACH Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Pioneer Acquisition I | 164.67% | - | -64.67% |
| Sector | Financial Services Stocks | 746.79% | 13.83% | -660.62% |
| Industry | Shell Companies Stocks | 2550.08% | 15.64% | -2465.73% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Westchester capital management | 1.26M | 9.31% | $12.79M |
| D. e. shaw | 1.25M | 9.27% | $12.72M |
| Glazer capital | 1.21M | 8.96% | $12.26M |
| Magnetar financial | 1.00M | 7.40% | $10.19M |
| Linden advisors lp | 1.00M | 7.40% | $10.16M |
| Aqr arbitrage | 948.38K | 7.02% | $9.64M |
| Wealthspring capital | 841.51K | 6.23% | $8.52B |
| Two sigma investments, lp | 797.50K | 5.90% | $8.08M |
| Mmcap inc. spc | 750.00K | 5.55% | $7.60M |
| Wolverine asset management | 702.78K | 5.20% | $7.14M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Wealthspring capital | 841.51K | 2.02% | $8.52B |
| Kepos capital lp | 47.10K | 0.78% | $478.00K |
| Gritstone asset management | 69.32K | 0.75% | $702.25K |
| Mmcap inc. spc | 750.00K | 0.66% | $7.60M |
| Westchester capital management | 1.26M | 0.58% | $12.79M |
| Timelo investment management | 60.00K | 0.48% | $607.80K |
| Radcliffe capital management | 629.25K | 0.48% | $6.38M |
| Mangrove partners | 450.00K | 0.37% | $4.56M |
| Mint tower capital management b.v. | 400.00K | 0.36% | $4.05M |
| Periscope capital | 300.00K | 0.34% | $3.04M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Westchester capital management | 1.26M | 0.58% | 850.00K |
| Wolverine asset management | 702.78K | 0.07% | 190.27K |
| Glazer capital | 1.21M | 0.26% | 159.99K |
| Sona asset management (us) | 111.06K | 0.02% | 111.06K |
| Parallax volatility advisers | 94.40K | 0.00% | 94.40K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Meteora capital | - | - | -549.97K |
| Clear street group | 149.46K | 0.01% | -168.99K |
| Stonex group | - | - | -155.00K |
| Periscope capital | 300.00K | 0.34% | -100.00K |
| Polar asset management partners | 400.00K | 0.08% | -100.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sona asset management (us) | 111.06K | 0.02% | 111.06K | $1.13M |
| Parallax volatility advisers | 94.40K | 0.00% | 94.40K | $960.53K |
| Timelo investment management | 60.00K | 0.48% | 60.00K | $607.80K |
| Kepos capital lp | 47.10K | 0.78% | 47.10K | $478.00K |
| Ubs group | 9.06K | - | 9.06K | $91.78K |
Sold Out
| Holder | Change |
|---|---|
| Fny investment advisers | -1.00K |
| Virtu financial | -34.20K |
| Mizuho securities usa | -50.92K |
| Stonex group | -155.00K |
| Meteora capital | -549.97K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 60 | 1.69% | 22,257,184 | 2.37% | 164 | 2.23% | 14 | -36.36% | 10 | - |
| Dec 31, 2025 | 14 | -68.18% | 4,386,504 | -74.97% | 17 | 0.36% | 4 | -90.91% | 4 | - |
| Sep 30, 2025 | 43 | - | 17,274,866 | - | 68 | - | 43 | - | - | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Westchester Merger Arbitrage Composite | 993.53K | 3.49% | 709.80K |
| The Merger Fund A | 993.53K | 3.49% | 709.80K |
| First Trust Merger Arbitrage Cl I | 412.50K | 1.45% | -84.60K |
| PICTON Arbitrage Plus Alternative Fund F | 411.50K | 1.30% | - |
| Virtus Westchester Credit Event Fd I | 99.05K | 0.35% | 23.46K |
| Westchester Credit Event Composite | 99.05K | 0.35% | 23.46K |
| Karpus Taxable Fixed Income | 89.00K | 0.31% | 38.35K |
| First Trust Multi-Strategy Cl I | 84.60K | 0.27% | 84.60K |
| RiverNorth Opportunities | 66.67K | 0.23% | - |
| Amundi Tiedemann Arbitrage Strat I USD | 66.50K | 0.21% | 66.50K |
PACH Ownership FAQ
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