Pioneer Acquisition I Corp Class A Ordinary Shares (PACH)
Special purpose acquisition company
Pioneer Acquisition I Corp Class A Ordinary Shares (PACH) is listed on Nasdaq, where it has traded since August 15, 2025.
- Type
- Special purpose acquisition company
- Listed On
- Nasdaq
- Listed Since
- August 15, 2025
- Market Cap
- $294M
About Pioneer Acquisition I Corp Class A Ordinary Shares
Pioneer Acquisition I Corp is a blank check company.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 65 institutions reported holding PACH, with 22.4 million shares worth $228.5 million in aggregate. The largest reported holder was Westchester Capital Management, with 1.3 million shares worth $12.9 million. Of the 5 largest holders listed below, all 5 held their positions unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Westchester Capital Management | 1,258,612 | $13M | Unchanged |
| D. E. Shaw | 1,252,350 | $13M | Unchanged |
| Glazer Capital | 1,210,643 | $12M | Unchanged |
| Linden Advisors | 1,000,000 | $10M | Unchanged |
| Magnetar Financial | 1,000,000 | $10M | Unchanged |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is PACH?
Pioneer Acquisition I Corp Class A Ordinary Shares (PACH) is listed on Nasdaq, where it has traded since August 15, 2025.
Who are the largest institutional holders of PACH?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of PACH were Westchester Capital Management, D. E. Shaw and Glazer Capital.
How many institutions own PACH?
65 institutions reported a position in PACH for the quarter ended June 30, 2026, worth $228.5 million in total.
Did institutions buy or sell PACH last quarter?
Of the 5 largest reported holders, all 5 held their positions unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for PACH.
Every reported institutional holder, plus insider and congressional trades in PACH, on SentiSense.