ACK Asset Management LLC.

Institutional filer · behavioral pattern: Other. Summary pending.

AUM · $761.4T (13F)Positions · 21Turnover · — · Q4Filed · Feb 13, 2026

CONCENTRATION

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Top 10 holdings

NEW BUYS

+$796.8T deployed

EXITS

No exits

SECTOR SHIFT

—

No prior quarter data

3YR HIT RATE

—

Top-5 overlap

§ 01 · TOP HOLDINGS

The book · Q4 2025

FILED FEB 13, 2026

#	Ticker	Name	Shares	$ value	% port	Δ Q4
1	MTRN	MTRN	475K	$59.0T	7.4%	NEW
2	GVA	GVA	500K	$57.7T	7.2%	NEW
3	WMS	WMS	390K	$56.5T	7.1%	NEW
4	ATS	ATS	1.85M	$50.8T	6.4%	NEW
5	CNM	CNM	900K	$46.8T	5.9%	NEW
6	ENS	ENS	304K	$44.7T	5.6%	NEW
7	NOVT	NOVT	375K	$44.6T	5.6%	NEW
8	JHX	JHX	2.10M	$43.6T	5.5%	NEW
9	HLIO	HLIO	780K	$41.7T	5.2%	NEW
10	SITE	SITE	330K	$41.1T	5.2%	NEW

§ 02 · SECTOR ALLOCATION

Sector data pending

§ 03 · THE ACK SIGNAL

ACK Asset Management LLC is a Other fund managing $761426.3 trillion in assets. The fund runs a focused portfolio of just 21 positions.

§ 04 · FILING HISTORY

1 FILINGS

Q4 2025

Steady book

+0 buys · −0 exits · 0 changed

Q2 2025

Steady book

+0 buys · −0 exits · 0 changed

Q1 2025

Steady book

+0 buys · −0 exits · 0 changed