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Asset Manager ← All Institutions

ACK Asset Management LLC

Q4 2025 · Filed 2026-02-13
Market Value
$748M
-1.5%
Holdings
24
-3
New Purchases
5
Added To
5
Closed
3
Reduced
6
Top 10 Concentration
64.6%
Turnover
33.3%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NOVT 5.97% 0.00% +5.97% $45M
ROG 5.35% 0.00% +5.35% $40M
DXPE 3.52% 0.00% +3.52% $26M
CDNL 2.73% 0.00% +2.73% $20M
EXP 4.56% 2.76% +1.80% $34M
ERII 1.22% 0.00% +1.22% $9M
SITE 5.50% 4.75% +0.75% $41M
WMS 7.55% 7.13% +0.43% $56M
ATS 6.80% 6.37% +0.43% $51M
HLIO 5.58% 5.29% +0.29% $42M
ASTE 4.56% 4.45% +0.11% $34M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
JBTM 0.00% 6.49% -6.49% $0
CTRI 0.00% 3.84% -3.84% $0
ATRO 4.33% 7.39% -3.06% $32M
ENS 5.97% 8.70% -2.73% $45M
NPKI 0.00% 2.35% -2.35% $0
AIN 4.07% 5.34% -1.27% $30M
CTOS 0.62% 1.63% -1.01% $5M
MBC 3.40% 3.99% -0.60% $25M
MTRN 7.89% 8.36% -0.46% $59M
CLFD 2.44% 2.83% -0.40% $18M
GVA 7.71% 7.88% -0.16% $58M
CNM 6.26% 6.38% -0.13% $47M
APOG 3.96% 4.07% -0.11% $30M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mid Cap 15 $530M 70.8%
Small Cap 9 $218M 29.2%

Portfolio Analytics

Avg Market Cap
$3.3B
Median Market Cap
$2.5B
Avg P/E
41.8
Median P/E
30.9
Avg Dividend Yield
0.00%
Avg Beta
1.15
# Stocks
24
# ETFs / Funds
0

Top Holdings (24 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 MTRN 7.89% 474,800 $59M $124.32 -$4M -50,000 -9.5%
2 GVA 7.71% 500,000 $58M $115.35 -$2M -45,000 -8.3%
3 WMS 7.55% 390,000 $56M $144.83 $2M — —
4 ATS 6.80% 1,846,196 $51M $27.54 $2M — —
5 CNM 6.26% 900,000 $47M $51.97 -$2M — —
6 ENS 5.97% 304,324 $45M $146.75 -$21M -280,000 -47.9%
7 NOVT 5.97% 375,000 $45M $118.99 — +375,000 — NEW
8 HLIO 5.58% 780,378 $42M $53.49 $2M +10,378 +1.4%
9 SITE 5.50% 330,000 $41M $124.56 $5M +50,000 +17.9%
10 ROG 5.35% 436,707 $40M $91.57 — +436,707 — NEW
11 EXP 4.56% 165,000 $34M $206.68 $13M +75,000 +83.3%
12 ASTE 4.56% 786,500 $34M $43.32 $308K +85,000 +12.1%
13 ATRO 4.33% 597,469 $32M $54.24 -$24M -632,531 -51.4%
14 AIN 4.07% 600,000 $30M $50.70 -$10M -160,000 -21.1%
15 APOG 3.96% 813,000 $30M $36.41 -$1M +105,000 +14.8%
16 DXPE 3.52% 240,000 $26M $109.79 — +240,000 — NEW
17 MBC 3.40% 2,300,000 $25M $11.04 -$5M — —
18 CDNL 2.73% 844,591 $20M $24.18 — +844,591 — NEW
19 CLFD 2.44% 625,200 $18M $29.15 -$3M — —
20 ERII 1.22% 677,251 $9M $13.49 — +677,251 — NEW
21 CTOS 0.62% 800,136 $5M $5.76 -$8M -1,124,864 -58.4%
22 NPKI —% — — — -$18M -1,576,808 -100.0% SOLD
23 CTRI —% — — — -$29M -1,375,000 -100.0% SOLD
24 JBTM —% — — — -$49M -350,546 -100.0% SOLD

New Positions

SymbolValue% Port
NOVT $45M 5.97%
ROG $40M 5.35%
DXPE $26M 3.52%
CDNL $20M 2.73%
ERII $9M 1.22%

Sold Out Positions

SymbolValue% Port
JBTM — —%
CTRI — —%
NPKI — —%
View SEC EDGAR Filings for ACK Asset Management LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms