Ack Asset Management LLC Top Holdings and 13F Report (2021) → Claim Your Complimentary Bitcoin Reward (From Crypto Swap Profits) (Ad) About Ack Asset Management LLCInvestment ActivityAck Asset Management LLC has $858.30 million in total holdings as of September 30, 2021.Ack Asset Management LLC owns shares of 20 different stocks, but just 12 companies or ETFs make up 80% of its holdings.Approximately 6.51% of the portfolio was purchased this quarter.About 8.70% of the portfolio was sold this quarter.This quarter, Ack Asset Management LLC has purchased 21 new stocks and bought additional shares in 7 stocks.Ack Asset Management LLC sold shares of 6 stocks and completely divested from 1 stock this quarter.Largest Holdings Core & Main $77,402,000Dycom Industries $76,860,315Atkore $74,240,400MasTec $72,016,975EnerSys $67,538,900 Largest Purchases this Quarter EnerSys 142,500 shares (about $13.46M)Rogers 109,800 shares (about $13.03M)ATS 235,020 shares (about $7.92M)Clearfield 217,100 shares (about $6.70M)Array Technologies 420,000 shares (about $6.26M) Largest Sales this Quarter Zurn Elkay Water Solutions 440,000 shares (about $14.73M)Allient 173,000 shares (about $6.17M)SmartRent 1,910,400 shares (about $5.12M)Thryv 183,221 shares (about $4.07M)Titan Machinery 150,000 shares (about $3.72M) Sector Allocation Over TimeMap of 500 Largest Holdings ofAck Asset Management LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorCNMCore & Main$77,402,0000.0%1,352,0009.0%Business ServicesDYDycom Industries$76,860,3150.0%535,5009.0%ConstructionATKRAtkore$74,240,400$5,710,800 ▲8.3%390,0008.6%Industrial ProductsMTZMasTec$72,016,9750.0%772,3008.4%ConstructionENSEnerSys$67,538,900$13,460,550 ▲24.9%715,0007.9%Industrial ProductsMTRNMaterion$63,305,8750.0%480,5007.4%Basic MaterialsROGRogers$61,718,800$13,032,162 ▲26.8%520,0007.2%Computer and TechnologyATSATS$51,928,800$7,924,874 ▲18.0%1,540,0006.1%Industrial ProductsJBIJanus International Group$51,357,2720.0%3,394,4006.0%ConstructionZWSZurn Elkay Water Solutions$42,172,200$14,726,800 ▼-25.9%1,260,0004.9%Industrial ProductsARRYArray Technologies$39,237,156$6,262,200 ▲19.0%2,631,6004.6%Oils/EnergyNEOGNeogen$32,497,3320.0%2,059,4003.8%MedicalMDA-TC$32,110,1760.0%2,950,0003.7%COMATROAstronics$31,892,000$2,779,840 ▲9.5%1,675,0003.7%AerospaceCLFDClearfield$20,508,600$6,695,364 ▲48.5%665,0002.4%Computer and TechnologyALNTAllient$18,803,360$6,172,640 ▼-24.7%527,0002.2%Computer and TechnologyTHRYThryv$16,945,662$4,073,003 ▼-19.4%762,2882.0%Computer and TechnologyTITNTitan Machinery$12,653,100$3,721,500 ▼-22.7%510,0001.5%Retail/WholesaleSMRTSmartRent$11,175,600$5,119,872 ▼-31.4%4,170,0001.3%Business ServicesLUNALuna Innovations$3,938,945$2,054,405 ▼-34.3%1,229,0000.5%Business ServicesEMEEMCOR Group$0$38,777,400 ▼-100.0%00.0%ConstructionShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data: SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools: Best-in-Class Portfolio Monitoring View the latest news, buy/sell ratings, SEC filings and insider transactions for your stocks. Compare your portfolio performance to leading indices and get personalized stock ideas based on your portfolio. Stock Ideas and Recommendations Get daily stock ideas from top-performing Wall Street analysts. Get short term trading ideas from the MarketBeat Idea Engine. View which stocks are hot on social media with MarketBeat's trending stocks report. Advanced Stock Screeners and Research Tools Identify stocks that meet your criteria using seven unique stock screeners. See what's happening in the market right now with MarketBeat's real-time news feed. Export data to Excel for your own analysis. Start Your 30-Day Free Trial Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.