$PACH

$10.38 +$0.01 (0.05%) Close

$PACH Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 28.4M shares outstanding

Who owns PACH?

By type of holder

Institutions 86.6% Insiders 0.0% Everyone else 13.4%

Concentration Top 10 holders own 34.4%

Westchester Capital Management, LLC 4.4% · D. E. Shaw & Co., Inc. 4.4%

Institutional ownership

86.6%

+0.3 pts vs last qtr

Institutional holders

+3 vs last qtr

Net shares bought

+90.6K

by institutions in Q2 2026

New / sold out

6 / 3

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Meteora Capital, LLC NEW +273.0K
Mizuho Securities USA LLC NEW +183.5K

Biggest sellers in Q2 2026

Healthcare Of Ontario Pension Plan Trust Fund −200.0K
Shaolin Capital Management LLC −122.8K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Pioneer Acquisition I Corp in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Pioneer Acquisition I Corp.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years81% Under 1 year19%

Quarterly turnover

3.0%

of institutional shares changed hands

Top 10 managers, median time held

1 year

Super Investors

Investment managers reporting PACH on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
WC Westchester Capital Management, LLC	1.3M	4.43%	Unchanged	2025	0.6%
Shares held by quarter Peak holding1.3M (Q4'25) Change over 8 quarters+1.3M Share of the company4.430% Westchester Capital Management, LLC's full portfolio →
DE D. E. Shaw & Co., Inc.	1.3M	4.40%	Unchanged	Q3 '25	0.0%
Shares held by quarter Peak holding1.3M (Q4'25) Change over 8 quarters+1.3M Share of the company4.400% D. E. Shaw & Co., Inc.'s full portfolio →

Westchester Capital Management, LLC

1.3M

% of company

4.43%

Change vs last qtr

Unchanged

Held since

2025

D. E. Shaw & Co., Inc.

1.3M

% of company

4.40%

Change vs last qtr

Unchanged

Held since

Q3 '25

26 more super investors behind a free account

See every manager holding Pioneer Acquisition I Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting PACH on Form N-PORT; together they hold 2.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FT First Trust Merger Arbitrage Fund Investment Managers Series Trust II	$4.21M	412.5K	1.45%	0.26%	June 30, 2026
FT First Trust Multi-Strategy Fund Investment Managers Series Trust II	$864K	84.6K	0.30%	0.06%	June 30, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$4.21M

% of company

1.45%

% of the fund

0.26%

As of

June 30, 2026

First Trust Multi-Strategy Fund

Investment Managers Series Trust II

Position value

$864K

% of company

0.30%

% of the fund

0.06%

As of

June 30, 2026

2 more funds behind a free account

See every fund holding Pioneer Acquisition I Corp and how much of the fund the position is.

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