Pioneer Acquisition I (PACH)
Pursues a public-market business combination with emphasis on healthcare targets.
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Sources, evaluates, finances and closes an initial business combination rather than selling products or services. Although its mandate spans industries and geographies, its management network and target criteria emphasize the healthcare ecosystem.
Operates as a Cayman Islands blank-check company formed to identify, negotiate and close an initial business combination. It has no products, customers, operating segments or identified target; the search is formally industry- and geography-agnostic, though the team emphasizes healthcare relationships and experience.
Executes transaction sourcing, diligence, negotiation, financing and shareholder-approval work through a small part-time executive team and directors. Trust proceeds may be used alongside equity or debt, while shareholder redemptions can reduce cash available at closing. A transaction must meet net-trust-assets value and control requirements, and the vehicle must complete a combination by its permitted deadline or redeem public shares and wind up.
Company facts
No analyst consensus on record.
EPSReportedEstimate
RevenueReportedEstimate
Balance sheet, Jun 30, 2026Cash & short-term investments $468.7K · Total debt $0 · Total assets $263.5M · Shareholders' equity $251.1M
- Revenue
- $0
- Operating income
- −$177.3K
- Net income
- $2.1M
No dividends on record.
| Institutions61 holders · as of Mar 31, 2026 | 352.43% | 22.29M shares | |
| Insiders1 holder · as of Jun 17, 2025 | 100.00% | 6.33M shares | |
| Adds to | 452.43% |
6.33M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Two share counts disagree (6.33M in the company's Sep 3, 2026 report, 31.63M elsewhere); stakes use the report.
These groups come from separate filings that can overlap, so they add to 452.43%; nothing is left for Other.
Top shareholders13F · 13D/G · Form 4
| Holder | Stake | Shares | Evidence |
|---|---|---|---|
Mitchell CreemInsiderdirector, 10 percent owner, officer: Chief Executive Officer | 100.00% | 6.33M | Form 4filed Jun 17, 2025 ↗ |
Westchester Capital Management, LLCInstitution | 19.90% | 1.26M | 13Fas of Mar 31, 2026 |
D. E. Shaw & Co., Inc.Institution | 19.80% | 1.25M | 13Fas of Mar 31, 2026 |
Glazer Capital, LLCInstitution | 19.14% | 1.21M | 13Fas of Mar 31, 2026 |
Linden Advisors LPInstitution | 15.81% | 1.00M | 13Fas of Mar 31, 2026 |
| See all 25 → | |||
13F — a manager's quarterly holdings · Form 4 — an insider's transaction report
Insider tradesForm 4
Nothing filed in the last 12 months.
Not reported.

