$ACGC

$10.06 +$0.00 (0.0%) Close

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

Ownership

13F as of Q2 2026 · 29.1M shares outstanding

Who owns ACGC?

By type of holder

Institutions 59.3% Insiders 0.0% Everyone else 40.8%

Concentration Top 10 holders own 38.3%

Adage Capital Partners GP, L.L.C. 6.2% · Polar Asset Management Partners Inc. 5.5%

Institutional ownership

59.3%

+59.3 pts vs last qtr

Institutional holders

+41 vs last qtr

Net shares bought

+17.2M

by institutions in Q2 2026

New / sold out

41 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Adage Capital Partners GP, L.L.C. NEW +1.8M
Polar Asset Management Partners Inc. NEW +1.6M

Biggest sellers in Q2 2026

None.

Who is planning to sell?

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

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for ACP Holdings Acquisition Corp.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

—

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting ACGC on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
AC Adage Capital Partners GP, L.L.C.	1.8M	6.19%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding1.8M (Q2'26) Change over 8 quarters+1.8M Share of the company6.190% Adage Capital Partners GP, L.L.C.'s full portfolio →
PA Polar Asset Management Partners Inc.	1.6M	5.52%	NEW	Q2 '26	0.3%
Shares held by quarter Peak holding1.6M (Q2'26) Change over 8 quarters+1.6M Share of the company5.520% Polar Asset Management Partners Inc.'s full portfolio →

Adage Capital Partners GP, L.L.C.

1.8M

% of company

6.19%

Change vs last qtr

NEW

Held since

Q2 '26

Polar Asset Management Partners Inc.

1.6M

% of company

5.52%

Change vs last qtr

NEW

Held since

Q2 '26

23 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting ACGC on Form N-PORT; together they hold 2.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
DG Destinations Global Fixed Income Opportunities Fund Brinker Capital Destinations Trust	$3.77M	375.0K	1.29%	0.51%	August 31, 2026
FT First Trust Merger Arbitrage Fund Investment Managers Series Trust II	$2.56M	257.6K	0.89%	0.16%	June 30, 2026

Destinations Global Fixed Income Opportunities Fund

Brinker Capital Destinations Trust

Position value

$3.77M

% of company

1.29%

% of the fund

0.51%

As of

August 31, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$2.56M

% of company

0.89%

% of the fund

0.16%

As of

June 30, 2026

2 more funds behind a free account

See every fund holding ACP Holdings Acquisition Corp and how much of the fund the position is.

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