Pioneer Acquisition I Corp.
Pioneer Acquisition I Corp. (PACH) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PACH · as of Sep 30, 2025
Ownership Breakdown
44
Institutional Holders
▲ 44 vs Q2
$174.32M
Total Inst. Value
▲ $174.32M vs Q2
31.63M
Shares Outstanding
freeFloat 13.91%
17.52M
13F Shares Held
▲ 17.52M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
PACH largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
GLAZER CAPITAL, LLC blank checks | 1.05M | 4.15% | 4.15% | $10.44B | Nov 13, 2025 | NEW |
LINDEN ADVISORS LP blank checks | 1.00M | 3.95% | 3.95% | $9.94B | Nov 14, 2025 | NEW |
AQR ARBITRAGE LLC blank checks | 984.6K | 3.89% | 3.89% | $9.79B | Nov 14, 2025 | NEW |
WEALTHSPRING CAPITAL LLC blank checks | 883.3K | 3.49% | 3.49% | $8.78B | Oct 15, 2025 | NEW |
TWO SIGMA INVESTMENTS, LP blank checks | 797.5K | 3.15% | 3.15% | $7.93B | Nov 14, 2025 | NEW |
CLEAR STREET GROUP INC. blank checks | 723.1K | 2.86% | 2.86% | $7.20B | Nov 14, 2025 | NEW |
SHAOLIN CAPITAL MANAGEMENT LLC blank checks | 700.0K | 2.77% | 2.77% | $6.97B | Nov 14, 2025 | NEW |
D. E. SHAW & CO., INC. blank checks | 691.7K | 2.73% | 2.73% | $6.88B | Nov 14, 2025 | NEW |
WOLVERINE ASSET MANAGEMENT LLC blank checks | 677.2K | 2.68% | 2.68% | $6.73B | Oct 28, 2025 | NEW |
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND blank checks | 650.0K | 2.57% | 2.57% | $6.46B | Nov 13, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares44
New Positions
first time holders0
Decreased
−0 shares0
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
+44
44 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PACH insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Pioneer Acquisition I Corp. (PACH) is primarily owned by institutional investors, who hold approximately 55.4% of total shares outstanding. Company insiders own approximately 86.09%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Pioneer Acquisition I Corp. is GLAZER CAPITAL, LLC, holding approximately 1.05 million shares — equal to 4.15% of outstanding shares — as of September 30, 2025.
A total of 44 institutional investors currently hold PACH stock, with a combined institutional value of approximately $174,320,075 as of the most recent 13F filing period.
Frequently asked questions
PACH ownershipPioneer Acquisition I Corp. (PACH) is primarily owned by institutional investors, who hold approximately 55.4% of shares. The largest shareholder is GLAZER CAPITAL, LLC with a 4.15% stake. Company insiders hold 86.09%. Data sourced from SEC Form 13F as of September 30, 2025.