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AAM

ACK Asset Management Portfolio holdings

AUM $801M
1-Year Est. Return 60.42%
This Fund
S&P 500
This Quarter Est. Return
+2.29%
1 Year Est. Return
+60.42%
3 Year Est. Return
+99.73%
5 Year Est. Return
+138.79%
10 Year Est. Return
+1,118.13%
AUM
$746M
AUM Growth
-$62.8M
Cap. Flow
-$56.9M
Cap. Flow %
-7.63%
Top 10 Hldgs %
72.01%
Holding
25
New
7
Increased
4
Reduced
10
Closed
3

Top Buys

Rank Stock Value
1
JBTM
JBT Marel
JBTM
+$46.2M
2
MYRG icon
MYR Group
MYRG
+$28M
3
CTRI icon
Centuri Holdings
CTRI
+$25.2M
4
APTV icon
Aptiv
APTV
+$14.7M
5
MBC icon
MasterBrand
MBC
+$14.1M

Top Sells

Rank Stock Value
1
GVA icon
Granite Construction
GVA
+$48.8M
2
MIR icon
Mirion Technologies
MIR
+$37.7M
3
ESI icon
Element Solutions
ESI
+$33.5M
4
MTZ icon
MasTec
MTZ
+$32.2M
5
PRIM icon
Primoris Services
PRIM
+$22.7M

Sector Composition

Rank Sector Weight
1 Industrials 67.41%
2 Technology 10.89%
3 Materials 9.11%
4 Consumer Discretionary 6.33%
5 Utilities 3.36%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DY icon
1
Dycom Industries
DY
$12.2B
$77.5M 10.39%
445,500
-90,000
-17% -$16.7M
MTZ icon
2
MasTec
MTZ
$26B
$72.4M 9.7%
531,800
-240,500
-31% -$32.2M
ATS icon
3
ATS Corp
ATS
$2.68B
$63.8M 8.55%
2,093,196
-162,693
-7% -$4.94M
ENS icon
4
EnerSys
ENS
$7.17B
$62M 8.31%
671,024
-43,976
-6% -$4.28M
ROG icon
5
Rogers Corp
ROG
$2.36B
$58.9M 7.9%
580,000
-10,000
-2% -$1.04M
JBTM
6
JBT Marel
JBTM
$6.98B
$50.8M 6.81%
+400,000
New +$46.2M
MTRN icon
7
Materion
MTRN
$5.1B
$48.9M 6.55%
494,800
-10,700
-2% -$1.16M
CECO icon
8
Ceco Environmental
CECO
$4.67B
$38.5M 5.15%
1,272,000
+290,800
+30% +$8.27M
ATRO icon
9
Astronics
ATRO
$3.32B
$32.9M 4.4%
2,472,000
– –
MIR icon
10
Mirion Technologies
MIR
$3.91B
$31.7M 4.24%
1,815,000
-2,431,300
-57% -$37.7M
MYRG icon
11
MYR Group
MYRG
$6.1B
$29.8M 3.99%
+200,000
New +$28M
CTRI icon
12
Centuri Holdings
CTRI
$2.8B
$25.1M 3.36%
+1,300,000
New +$25.2M
GVA icon
13
Granite Construction
GVA
$5.43B
$24.9M 3.34%
284,000
-541,000
-66% -$48.8M
CLFD icon
14
Clearfield
CLFD
$416M
$22.3M 2.99%
720,000
+25,000
+4% +$840K
MBC icon
15
MasterBrand
MBC
$1.11B
$21.5M 2.89%
1,475,000
+825,000
+127% +$14.1M
ESI icon
16
Element Solutions
ESI
$9.11B
$19.1M 2.56%
750,000
-1,240,000
-62% -$33.5M
NEOG icon
17
Neogen
NEOG
$2.24B
$14.7M 1.96%
1,206,796
-452,604
-27% -$6.33M
APTV icon
18
Aptiv
APTV
$12.2B
$14.5M 1.94%
+240,000
New +$14.7M
MTRX icon
19
Matrix Service
MTRX
$342M
$14.1M 1.89%
1,179,901
+378,901
+47% +$4.64M
BWA icon
20
BorgWarner
BWA
$12.8B
$11.2M 1.5%
+351,400
New +$12M
MRC
21
DELISTED
MRC Global
MRC
$7.03M 0.94%
+550,000
New +$7.2M
TRNS icon
22
Transcat
TRNS
$821M
$4.76M 0.64%
+45,000
New +$4.99M
CALX icon
23
Calix
CALX
$2.5B
– –
-321,124
Closed -$12.5M
PRIM icon
24
Primoris Services
PRIM
$4.66B
– –
-390,000
Closed -$22.7M
LUNA
25
DELISTED
Luna Innovations Incorporated
LUNA
– –
-525,000
Closed -$1.23M

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ACK Asset Management's Q4 2024 Portfolio in Review

As of Q4 2024, ACK Asset Management held 25 positions worth $746M, down 7.8% from $809M the previous quarter. Its ten largest holdings account for 72% of the portfolio.

ACK Asset Management withdrew a net $56.9M in Q4 2024, closing 3 positions and reducing 10 holdings. Its most notable exit was Primoris Services, an estimated $22.7M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 67% of assets, down from 68% a quarter earlier, followed by Technology and Materials.

Against the trend, ACK Asset Management opened a new position in JBT Marel worth $50.8M.

  • ACK Asset Management's largest Q4 2024 buy was JBT Marel: 400,000 shares worth $50.8M.
  • ACK Asset Management added most to MasterBrand in Q4 2024, an estimated $14.1M increase.
  • ACK Asset Management's biggest Q4 2024 reduction was Granite Construction, cutting an estimated $48.8M.
  • ACK Asset Management fully exited Primoris Services in Q4 2024, selling an estimated $22.7M.
  • ACK Asset Management's ten largest holdings make up 72% of its $746M portfolio in Q4 2024.
  • ACK Asset Management opened 7 new positions and closed 3 in Q4 2024.
  • ACK Asset Management's portfolio value fell 7.8% quarter-over-quarter to $746M.

Based on ACK Asset Management's 13F filing for Q4 2024, filed 13 Feb 2025.