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Asset Manager ← All Institutions

ACK Asset Management LLC

Q4 2025 · Filed 2026-02-13
Market Value
$697M
-1.9%
Holdings
23
-3
New Purchases
5
Added To
5
Closed
3
Reduced
6
Top 10 Concentration
66.9%
Turnover
34.8%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NOVT 6.40% 0.00% +6.40% $45M
ROG 5.74% 0.00% +5.74% $40M
DXPE 3.78% 0.00% +3.78% $26M
CDNL 2.93% 0.00% +2.93% $20M
EXP 4.89% 2.95% +1.94% $34M
ERII 1.31% 0.00% +1.31% $9M
SITE 5.90% 5.08% +0.82% $41M
WMS 8.11% 7.61% +0.49% $56M
HLIO 5.99% 5.65% +0.34% $42M
ASTE 4.89% 4.75% +0.14% $34M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
JBTM 0.00% 6.93% -6.93% $0
CTRI 0.00% 4.10% -4.10% $0
ATRO 4.65% 7.90% -3.25% $32M
ENS 6.41% 9.29% -2.88% $45M
NPKI 0.00% 2.51% -2.51% $0
AIN 4.37% 5.70% -1.34% $30M
CTOS 0.66% 1.74% -1.08% $5M
MBC 3.64% 4.26% -0.62% $25M
MTRN 8.47% 8.92% -0.45% $59M
CLFD 2.62% 3.03% -0.41% $18M
GVA 8.28% 8.41% -0.13% $58M
CNM 6.71% 6.82% -0.11% $47M
APOG 4.25% 4.34% -0.09% $30M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Large Cap 1 $56M 8.1%
Mid Cap 14 $473M 67.9%
Small Cap 8 $167M 24.0%

Portfolio Analytics

Avg Market Cap
$3.7B
Median Market Cap
$2.6B
Avg P/E
41.6
Median P/E
31.9
Avg Dividend Yield
0.00%
Avg Beta
1.22
# Stocks
23
# ETFs / Funds
0

Top Holdings (23 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 MTRN 8.47% 474,800 $59M $124.32 -$4M -50,000 -9.5%
2 GVA 8.28% 500,000 $58M $115.35 -$2M -45,000 -8.3%
3 WMS 8.11% 390,000 $56M $144.83 $2M
4 CNM 6.71% 900,000 $47M $51.97 -$2M
5 ENS 6.41% 304,324 $45M $146.75 -$21M -280,000 -47.9%
6 NOVT 6.40% 375,000 $45M $118.99 +375,000 NEW
7 HLIO 5.99% 780,378 $42M $53.49 $2M +10,378 +1.4%
8 SITE 5.90% 330,000 $41M $124.56 $5M +50,000 +17.9%
9 ROG 5.74% 436,707 $40M $91.57 +436,707 NEW
10 EXP 4.89% 165,000 $34M $206.68 $13M +75,000 +83.3%
11 ASTE 4.89% 786,500 $34M $43.32 $308K +85,000 +12.1%
12 ATRO 4.65% 597,469 $32M $54.24 -$24M -632,531 -51.4%
13 AIN 4.37% 600,000 $30M $50.70 -$10M -160,000 -21.1%
14 APOG 4.25% 813,000 $30M $36.41 -$1M +105,000 +14.8%
15 DXPE 3.78% 240,000 $26M $109.79 +240,000 NEW
16 MBC 3.64% 2,300,000 $25M $11.04 -$5M
17 CDNL 2.93% 844,591 $20M $24.18 +844,591 NEW
18 CLFD 2.62% 625,200 $18M $29.15 -$3M
19 ERII 1.31% 677,251 $9M $13.49 +677,251 NEW
20 CTOS 0.66% 800,136 $5M $5.76 -$8M -1,124,864 -58.4%
21 JBTM —% -$49M -350,546 -100.0% SOLD
22 CTRI —% -$29M -1,375,000 -100.0% SOLD
23 NPKI —% -$18M -1,576,808 -100.0% SOLD

New Positions

SymbolValue% Port
NOVT $45M 6.40%
ROG $40M 5.74%
DXPE $26M 3.78%
CDNL $20M 2.93%
ERII $9M 1.31%

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