ACK Asset Management LLC Quant / Systematic

CIK: 0001510940 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 14, 2025

Total Value ($000): $799,134 (100.0% shares, 0.0% debt)

Holdings (20)

ENS ENS 8.3%

Value ($000) $66,005 Shares 584,324 Est. Cost $71.97 Unrealized +36.1%

MTRN MTRN 7.9%

Value ($000) $63,401 Shares 524,800 Est. Cost $71.33 Unrealized +47.2%

GVA GVA 7.5%

Value ($000) $59,759 Shares 545,000 Est. Cost $75.50 Unrealized +36.1%

ATRO ATRO 7.0%

Value ($000) $56,100 Shares 1,230,000 Est. Cost $13.20 Unrealized +176.5%

WMS WMS 6.8%

Value ($000) $54,093 Shares 390,000 Est. Cost $113.87 Unrealized +15.1%

JBTM JBTM 6.2%

Value ($000) $49,234 Shares 350,546 Est. Cost $114.97 Unrealized +18.7%

CNM CNM 6.1%

Value ($000) $48,447 Shares 900,000 Est. Cost $60.57 Unrealized 0.0%

ATS ATS 6.1%

Value ($000) $48,370 Shares 1,846,196 Est. Cost $33.78 Unrealized -14.7%

AIN AIN 5.1%

Value ($000) $40,508 Shares 760,000 Est. Cost $64.88 Unrealized -3.0%

JHX JHX 5.0%

Value ($000) $40,341 Shares 2,100,000 Est. Cost $23.95 Unrealized 0.0%

HLIO HLIO 5.0%

Value ($000) $40,140 Shares 770,000 Est. Cost $46.69 Unrealized 0.0%

SITE SITE 4.5%

Value ($000) $36,064 Shares 280,000 Est. Cost $125.20 Unrealized +8.4%

ASTE ASTE 4.2%

Value ($000) $33,763 Shares 701,500 Est. Cost $43.55 Unrealized 0.0%

APOG APOG 3.9%

Value ($000) $30,848 Shares 708,000 Est. Cost $42.28 Unrealized 0.0%

MBC MBC 3.8%

Value ($000) $30,291 Shares 2,300,000 Est. Cost $12.36 Unrealized 0.0%

CTRI CTRI 3.6%

Value ($000) $29,109 Shares 1,375,000 Est. Cost $19.47 Unrealized +9.0%

CLFD CLFD 2.7%

Value ($000) $21,494 Shares 625,200 Est. Cost $27.84 Unrealized +33.7%

EXP EXP 2.6%

Value ($000) $20,974 Shares 90,000 Est. Cost $226.24 Unrealized 0.0%

NPKI NPKI 2.2%

Value ($000) $17,834 Shares 1,576,808 Est. Cost $7.86 Unrealized +23.9%

CTOS CTOS 1.5%

Value ($000) $12,359 Shares 1,925,000 Est. Cost $4.35 Unrealized +33.2%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
ENS	ENS	584,324	$66,005	8.3%	$71.97	+36.1%	COM	29275Y102
MTRN	MTRN	524,800	$63,401	7.9%	$71.33	+47.2%	COM	576690101
GVA	GVA	545,000	$59,759	7.5%	$75.50	+36.1%	COM	387328107
ATRO	ATRO	1,230,000	$56,100	7.0%	$13.20	+176.5%	COM	046433108
WMS	WMS	390,000	$54,093	6.8%	$113.87	+15.1%	COM	00790R104
JBTM	JBTM	350,546	$49,234	6.2%	$114.97	+18.7%	COM	477839104
CNM	CNM	900,000	$48,447	6.1%	$60.57	0.0%	COM	21874C102
ATS	ATS	1,846,196	$48,370	6.1%	$33.78	-14.7%	COM	00217Y104
AIN	AIN	760,000	$40,508	5.1%	$64.88	-3.0%	COM	012348108
JHX	JHX	2,100,000	$40,341	5.0%	$23.95	0.0%	COM	G4253H101
HLIO	HLIO	770,000	$40,140	5.0%	$46.69	0.0%	COM	42328H109
SITE	SITE	280,000	$36,064	4.5%	$125.20	+8.4%	COM	82982L103
ASTE	ASTE	701,500	$33,763	4.2%	$43.55	0.0%	COM	046224101
APOG	APOG	708,000	$30,848	3.9%	$42.28	0.0%	COM	037598109
MBC	MBC	2,300,000	$30,291	3.8%	$12.36	0.0%	COM	57638P104
CTRI	CTRI	1,375,000	$29,109	3.6%	$19.47	+9.0%	COM	155923105
CLFD	CLFD	625,200	$21,494	2.7%	$27.84	+33.7%	COM	18482P103
EXP	EXP	90,000	$20,974	2.6%	$226.24	0.0%	COM	26969P108
NPKI	NPKI	1,576,808	$17,834	2.2%	$7.86	+23.9%	COM	651718504
CTOS	CTOS	1,925,000	$12,359	1.5%	$4.35	+33.2%	COM	23204X103