ACK Asset Management LLC Quant / Systematic

CIK: 0001510940 · Show all filings

Period: Q2 2025 (← Previous) (Next →)

Filing Date: Aug 13, 2025

Total Value ($000): $761,426 (100.0% shares, 0.0% debt)

Holdings (21)

ATRO ATRO 9.1%

Value ($000) $68,969 Shares 2,060,000 Est. Cost $13.20 Unrealized +112.4%

ATS ATS 7.7%

Value ($000) $58,857 Shares 1,846,196 Est. Cost $33.78 Unrealized -18.9%

DY DY 7.2%

Value ($000) $54,914 Shares 224,700 Est. Cost $94.93 Unrealized +107.3%

GVA GVA 6.7%

Value ($000) $50,963 Shares 545,000 Est. Cost $75.50 Unrealized +11.6%

ENS ENS 6.6%

Value ($000) $50,117 Shares 584,324 Est. Cost $71.97 Unrealized +20.4%

MYRG MYRG 6.3%

Value ($000) $48,121 Shares 265,200 Est. Cost $137.92 Unrealized +6.5%

CTRI CTRI 6.0%

Value ($000) $45,598 Shares 2,032,000 Est. Cost $19.47 Unrealized +0.4%

JBTM JBTM 5.5%

Value ($000) $42,157 Shares 350,546 Est. Cost $114.97 Unrealized -3.0%

MTRN MTRN 5.5%

Value ($000) $41,653 Shares 524,800 Est. Cost $71.33 Unrealized +10.6%

AIN AIN 5.4%

Value ($000) $41,026 Shares 585,000 Est. Cost $65.47 Unrealized 0.0%

RRX RRX 5.2%

Value ($000) $39,864 Shares 275,000 Est. Cost $125.42 Unrealized 0.0%

WMS WMS 5.2%

Value ($000) $39,627 Shares 345,000 Est. Cost $111.63 Unrealized 0.0%

— MRC 4.1%

Value ($000) $31,081 Shares 2,267,000 Est. Cost $12.49 Unrealized —

SITE SITE 4.0%

Value ($000) $30,235 Shares 250,000 Est. Cost $123.95 Unrealized -4.7%

MIR MIR 3.8%

Value ($000) $28,786 Shares 1,337,000 Est. Cost $10.60 Unrealized +62.6%

CLFD CLFD 3.6%

Value ($000) $27,140 Shares 625,200 Est. Cost $27.84 Unrealized +23.1%

MTZ MTZ 2.8%

Value ($000) $21,304 Shares 125,000 Est. Cost $74.84 Unrealized +92.4%

MTRX MTRX 1.9%

Value ($000) $14,687 Shares 1,087,100 Est. Cost $10.68 Unrealized +13.0%

NPKI NPKI 1.4%

Value ($000) $10,440 Shares 1,226,808 Est. Cost $7.33 Unrealized 0.0%

CTOS CTOS 1.2%

Value ($000) $9,263 Shares 1,875,000 Est. Cost $4.31 Unrealized 0.0%

DXPE DXPE 0.9%

Value ($000) $6,626 Shares 75,600 Est. Cost $83.28 Unrealized 0.0%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
ATRO	ATRO	2,060,000	$68,969	9.1%	$13.20	+112.4%	COM	046433108
ATS	ATS	1,846,196	$58,857	7.7%	$33.78	-18.9%	COM	00217Y104
DY	DY	224,700	$54,914	7.2%	$94.93	+107.3%	COM	267475101
GVA	GVA	545,000	$50,963	6.7%	$75.50	+11.6%	COM	387328107
ENS	ENS	584,324	$50,117	6.6%	$71.97	+20.4%	COM	29275Y102
MYRG	MYRG	265,200	$48,121	6.3%	$137.92	+6.5%	COM	55405W104
CTRI	CTRI	2,032,000	$45,598	6.0%	$19.47	+0.4%	COM	155923105
JBTM	JBTM	350,546	$42,157	5.5%	$114.97	-3.0%	COM	477839104
MTRN	MTRN	524,800	$41,653	5.5%	$71.33	+10.6%	COM	576690101
AIN	AIN	585,000	$41,026	5.4%	$65.47	0.0%	COM	012348108
RRX	RRX	275,000	$39,864	5.2%	$125.42	0.0%	COM	758750103
WMS	WMS	345,000	$39,627	5.2%	$111.63	0.0%	COM	00790R104
—	MRC	2,267,000	$31,081	4.1%	$12.49	—	COM	55345K103
SITE	SITE	250,000	$30,235	4.0%	$123.95	-4.7%	COM	82982L103
MIR	MIR	1,337,000	$28,786	3.8%	$10.60	+62.6%	COM	60471A101
CLFD	CLFD	625,200	$27,140	3.6%	$27.84	+23.1%	COM	18482P103
MTZ	MTZ	125,000	$21,304	2.8%	$74.84	+92.4%	COM	576323109
MTRX	MTRX	1,087,100	$14,687	1.9%	$10.68	+13.0%	COM	576853105
NPKI	NPKI	1,226,808	$10,440	1.4%	$7.33	0.0%	COM	651718504
CTOS	CTOS	1,875,000	$9,263	1.2%	$4.31	0.0%	COM	23204X103
DXPE	DXPE	75,600	$6,626	0.9%	$83.28	0.0%	COM	233377407