Ack Asset Management LLC Portfolio Holdings

Ack Asset Management LLC

$648 Million
Q2 2025

Ack Asset Management LLC has filed its 13F form on August 13, 2025 for Q2 2025 where it was disclosed a total value porftolio of $648 Million distributed in 21 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Astronics Corp with a value of $69M, Dycom Industries Inc with a value of $54.9M, Granite Construction Inc with a value of $51M, Ener Sys with a value of $50.1M, and Myr Group Inc. with a value of $48.1M.

Examining the 13F form we can see an increase of $153M in the current position value, from $496M to 648M.

Ack Asset Management LLC is based out at Greenwich, CT

Below you can find more details about Ack Asset Management LLC portfolio as well as his latest detailed transactions.

Portfolio value $648 Million

Industrials: $508 Million

Basic Materials: $41.7 Million

Consumer Cyclical: $41 Million

Energy: $31.1 Million

Technology: $27.1 Million

Stock Holdings Table Companies Only

Stock	Market Cap.	Holding Value (Reported)	# of Shares.	Last Trade
ATRO Astronics Corp Industrials	$842M	$69 Million 10.64% of portfolio	2,060,000	Q2 2024 Added 22.99%
DY Dycom Industries Inc Industrials	$8.25B	$54.9 Million 8.47% of portfolio	224,700	Q2 2025 Reduced 41.3%
GVA Granite Construction Inc Industrials	$4.78B	$51 Million 7.86% of portfolio	545,000	Q2 2025 Added 185.79%
ENS Ener Sys Industrials	$4.01B	$50.1 Million 7.73% of portfolio	584,324	Q2 2025 Reduced 6.41%
MYRG Myr Group Inc. Industrials	$3.2B	$48.1 Million 7.42% of portfolio	265,200	Q2 2025 Reduced 4.98%
JBT John Bean Technologies Corp Industrials	$4.01B	$44.1 Million 6.8% of portfolio	350,546	Q2 2025 Reduced 5.21%
MTRN Materion Corp Basic Materials	$2.26B	$41.7 Million 6.42% of portfolio	524,800	Q2 2025 Added 14.29%
AIN Albany International Corp Consumer Cyclical	$1.95B	$41 Million 6.33% of portfolio	585,000	Q2 2025 New
RRX Regal Rexnord Corp Industrials	$9.51B	$39.9 Million 6.15% of portfolio	275,000	Q2 2025 New
WMS Advanced Drainage Systems, Inc. Industrials	$11.4B	$39.6 Million 6.11% of portfolio	345,000	Q2 2025 New
MRC Mrc Global Inc. Energy	$1.16B	$31.1 Million 4.79% of portfolio	2,267,000	Q2 2025 Added 44.86%
SITE Site One Landscape Supply, Inc. Industrials	$6.19B	$30.2 Million 4.66% of portfolio	250,000	Q2 2025 Added 150.0%
MIR Mirion Technologies, Inc. Industrials	$4.46B	$28.8 Million 4.44% of portfolio	1,337,000	Q2 2025 Reduced 17.39%
CLFD Clearfield, Inc. Technology	$472M	$27.1 Million 4.19% of portfolio	625,200	Q2 2025 Reduced 9.02%
MTZ Mastec Inc Industrials	$14.4B	$21.3 Million 3.29% of portfolio	125,000	Q2 2025 Reduced 72.98%
MTRX Matrix Service CO Industrials	$410M	$14.7 Million 2.26% of portfolio	1,087,100	Q2 2025 Reduced 8.19%
CTOS Custom Truck One Source, Inc. Industrials	$1.47B	$9.26 Million 1.43% of portfolio	1,875,000	Q2 2025 New
DXPE Dxp Enterprises Inc Industrials	$2.3B	$6.63 Million 1.02% of portfolio	75,600	Q2 2025 New

Summary

Portfolio
No. of Stocks 21
Current Value $648 Million
Prior Value $496 Million
Filing
Period Q2 2025
Filing Date August 13, 2025
Form Type 13F-HR
Activity in Q2 2025
New Purchases 6 stocks
Additional Purchases 5 stocks
Sold out of 0 stocks
Reduced holdings in 9 stocks

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Ack Asset Management LLC, based on Form 13F filings with the SEC.

News

Stay updated on Ack Asset Management LLC with notifications on news.

Account

Ack Asset Management LLC Portfolio Holdings