13D Management LLC Top Holdings and 13F Report (2025) About 13D Management LLCInvestment Activity13D Management LLC has $134.98 million in total holdings as of December 31, 2024.13D Management LLC owns shares of 21 different stocks, but just 15 companies or ETFs make up 80% of its holdings.Approximately 23.94% of the portfolio was purchased this quarter.About 28.03% of the portfolio was sold this quarter.This quarter, 13D Management LLC has purchased 22 new stocks and bought additional shares in 10 stocks.13D Management LLC sold shares of 6 stocks and completely divested from 6 stocks this quarter.Largest Holdings Twilio $9,809,017VESTIS CORPORATION $9,567,474Southwest Gas $9,341,427Mercury Systems $9,282,630Pearson $8,281,795 Largest New Holdings this Quarter Lamb Weston $6,034,348 HoldingRapid7 $5,455,188 HoldingRiot Platforms $5,191,785 HoldingAir Products and Chemicals $5,061,198 HoldingHealthcare Realty Trust $4,819,733 Holding Largest Purchases this Quarter Lamb Weston 90,294 shares (about $6.03M)Rapid7 135,600 shares (about $5.46M)Riot Platforms 508,500 shares (about $5.19M)Air Products and Chemicals 17,450 shares (about $5.06M)Healthcare Realty Trust 284,350 shares (about $4.82M) Largest Sales this Quarter Exelixis 131,965 shares (about $4.39M)Janus Henderson Group 36,560 shares (about $1.55M)Twilio 8,136 shares (about $879.34K)Etsy 559 shares (about $29.57K)PENN Entertainment 192 shares (about $3.81K) Sector Allocation Over TimeMap of 500 Largest Holdings of13D Management LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorTWLOTwilio$9,809,017$879,339 ▼-8.2%90,7577.3%Computer and TechnologyVESTIS CORPORATION$9,567,474$1,111,926 ▲13.2%627,7877.1%COM SHSSWXSouthwest Gas$9,341,427$19,657 ▲0.2%132,1096.9%UtilitiesMRCYMercury Systems$9,282,630$3,759,294 ▲68.1%221,0156.9%AerospacePSOPearson$8,281,795$16,555 ▲0.2%513,7596.1%Consumer DiscretionaryNSITInsight Enterprises$8,133,700$15,514 ▲0.2%53,4766.0%Retail/WholesaleEXELExelixis$7,612,713$4,394,435 ▼-36.6%228,6105.6%MedicalABGAsbury Automotive Group$7,378,633$14,339 ▲0.2%30,3615.5%Retail/WholesaleJHGJanus Henderson Group$6,420,032$1,554,897 ▼-19.5%150,9534.8%FinanceLWLamb Weston$6,034,348$6,034,348 ▲New Holding90,2944.5%Consumer StaplesALVAutoliv$5,870,222$801,154 ▲15.8%62,5894.3%Auto/Tires/TrucksCNICanadian National Railway$5,523,464$10,862 ▲0.2%54,4134.1%TransportationRPDRapid7$5,455,188$5,455,188 ▲New Holding135,6004.0%Computer and TechnologyRIOTRiot Platforms$5,191,785$5,191,785 ▲New Holding508,5003.8%Business ServicesAPDAir Products and Chemicals$5,061,198$5,061,198 ▲New Holding17,4503.7%Basic MaterialsBLCOBausch + Lomb$4,913,187$867 ▲0.0%272,0483.6%MedicalMTCHMatch Group$4,868,164$6,215 ▲0.1%148,8283.6%Retail/WholesaleHRHealthcare Realty Trust$4,819,733$4,819,733 ▲New Holding284,3503.6%FinanceETSYEtsy$4,615,076$29,566 ▼-0.6%87,2583.4%Retail/WholesalePENNPENN Entertainment$4,333,722$3,805 ▼-0.1%218,6543.2%Consumer DiscretionaryFTREFortrea$2,469,727$2,257 ▼-0.1%132,4251.8%MedicalFYBRFrontier Communications Parent$0$14,002,053 ▼-100.0%00.0%Computer and TechnologyMDUMDU Resources Group$0$8,357,062 ▼-100.0%00.0%UtilitiesTHSTreeHouse Foods$0$4,435,943 ▼-100.0%00.0%Consumer StaplesENVEnvestnet$0$2,633,046 ▼-100.0%00.0%Business ServicesAZTAAzenta$0$970,107 ▼-100.0%00.0%MedicalBBWIBath & Body Works$0$571,688 ▼-100.0%00.0%Retail/WholesaleShowing 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 for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. 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