![William Thorndike](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
William Thorndike
Fondateur chez
EVEC HLDG
Fortune : 338 M $ au 30/06/2026
Profil
William Nicholas Thorndike founded Housatonic Management Co., Inc. in 1994, where he is working as Senior Advisor, EverArc Holdings Ltd. in 2019, where he is working as Co-Chairman from 2019, and Housatonic Partners in 1994, where he worked as Managing Director & Founding Partner from 1994 to 2022.
Mr. Thorndike also founded Compounding Labs.
Mr. Thorndike also currently works at Perimeter Solutions, Inc., as Co-Chairman from 2021, CNX Resources Corp., as Independent Director from 2025, Continental Fire & Safety Services LLC, as Director, and various other companies.
Mr. Thorndike also formerly worked at T.
Rowe Price Associates, Inc. (IM), as Director, LeMaitre Vascular, Inc., as Director from 2012 to 2013, Access CIG LLC, as Director, and various other companies.
Mr. Thorndike received his Masters Business Admin degree from Stanford Graduate School of Business and undergraduate degree from Harvard College.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
PERIMETER SOLUTIONS INC 5,51 % | 11/03/2026 | 8 984 341 ( 5,51 % ) | 320 M $ | 30/06/2026 |
| 07/05/2026 | 515 053 ( 0,36 % ) | 17 M $ | 30/06/2026 |
Postes actifs de William Thorndike
| Sociétés | Poste | Début |
|---|---|---|
| EVEC HLDG | Fondateur | 08/11/2019 |
| CNX RESOURCES CORPORATION | Directeur/Membre du Conseil | 02/10/2014 |
| PERIMETER SOLUTIONS, INC. | Président | 09/11/2021 |
Housatonic Management Co., Inc.
 Housatonic Management Co., Inc. Investment ManagersFinance Housatonic Partners invests in companies located in the United States. The fund targets companies operating in the fields of technology, business services, communications and healthcare. It provides financing for growth, minority recapitalization and buyout transactions with an investment size of USD 10 - 50 million. It acquires minority interest and takes seats on the board of directors. | Fondateur | 01/01/1994 |
Stanford Graduate School of Business Trust | Directeur/Membre du Conseil | - |
Ariol Capital Ltd.
 Ariol Capital Ltd. Investment ManagersFinance Ariol Capital is an active manager which invests in Europe middle market companies revenues between EUR 5-60 million. It participates in buyout capital requirements. Ariol Capital focuses on sectors such as packaging and containers. | Private Equity Investor | - |
Oasis Group Ltd. /Nigeria/
 Oasis Group Ltd. /Nigeria/ Financial ConglomeratesFinance Operates as investment holding company | Directeur/Membre du Conseil | - |
Carillon Assisted Living LLC
 Carillon Assisted Living LLC Services to the Health IndustryHealth Services Provides elderly care and treatment services | Directeur/Membre du Conseil | - |
OnRamp Access LLC
 OnRamp Access LLC Data Processing ServicesTechnology Services Provides security hosting and disaster recovery solutions | Directeur/Membre du Conseil | - |
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Anciens postes connus de William Thorndike
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Formation de William Thorndike
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
67
Relations au 1er degré
48
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 48 |
|---|---|
T. Rowe Price Associates, Inc. (IM)
 T. Rowe Price Associates, Inc. (IM) Investment ManagersFinance Price Associates uses a complex and multifaceted approach to investment analysis and asset management decisions. They integrate ESG factors into their investment research process. The firm focuses on the ESG factors they consider most likely to have a material impact on the performance of securities in client accounts. Price Associates also focuses on their analytical process on three areas of research: the industry, the contracts issued, and the creditworthiness of each individual issuer. | Finance |
Cortland Associates, Inc. (Missouri)
 Cortland Associates, Inc. (Missouri) Investment ManagersFinance Cortland employs a value-oriented, risk-averse investment approach that seeks to achieve superior investment results with a minimum degree of risk. The firm develops their investment ideas through both proprietary research and non-Wall Street industry contacts. In an investment, their focus is the company’s earning power, not over the next quarter, but rather over a three- to five-year period. They will sell or partially sell a position if there is evidence of deterioration in the fundamentals of a company or its industry and/or if the stock meets or exceeds their internally generated valuation level. | Finance |
CNX Resources Corp.
 CNX Resources Corp. Oil & Gas ProductionEnergy Minerals Develops and explores NGLs, natural gas & oil projects | Energy Minerals |
T. Rowe Price Group, Inc.
 T. Rowe Price Group, Inc. Investment ManagersFinance Functions as a financial services holding company through its subsidiaries provides investment advisory services | Finance |
LeMaitre Vascular, Inc.
 LeMaitre Vascular, Inc. Medical SpecialtiesHealth Technology Designs and manufactures vascular devices for vascular surgeons | Health Technology |
Continental Fire & Safety Services LLC
 Continental Fire & Safety Services LLC Wholesale DistributorsDistribution Services Sells and services fire, safety & suppression equipment | Distribution Services |
Alta Colleges, Inc.
 Alta Colleges, Inc. Other Consumer ServicesConsumer Services Operates as a holding company with interest in providing higher educational services | Consumer Services |
Access CIG LLC
 Access CIG LLC Miscellaneous Commercial ServicesCommercial Services Provides physical and digital records & information management services | Commercial Services |
Rational Equity LLC
 Rational Equity LLC Investment ManagersFinance Rational Equity invests in US middle-market software companies in a variety of sectors including: (1) Manufacturing (2) Healthcare (3) Security (4) financial services (5) retail (6) construction (7) compliance (8) business services/outsourcing (9) government (10) entertainment/media and (11) utilities. The firm looks for companies with revenues of $5 million to $25 million and will consider companies with up to $50 million in revenues. Rational Equity targets companies with successful positions in fragmented industries. They prefer to invest in profitable companies but will entertain losses depending on the condition of the company and its ability to move to profitability. Rational Equity also looks for companies with 40% or greater recurring maintenance revenue stream, reasonable customer attrition and low levels of third party and hardware revenue. The firm concentrates on companies with successful positions in industries of $300 million to $5 billion in market size. They prefer to invest in companies that have been in operation for at least 8 years | Finance |
Johns Creek Partners LLC
 Johns Creek Partners LLC Investment ManagersFinance Johns Creek Partners (JCP) focuses on the acquisition and management of existing small to medium-sized manufacturing and service companies that are located in the continental US. The firm is particularly interested in manufacturing and service companies in the following areas: healthcare, wellness, new media and other growing or relatively stable industries. They seek to invest in companies with products or services that provide significant value-added to customers. JCP targets the acquisition of companies with transaction sizes of $5 million to $30 million. They invest in companies with revenues of $5 million to $30 million, EBITDA of $1million to $6 million and EBITDA margins of at least 15%. In addition, companies should have strong balance sheets with low debt. JCP looks for market-leading companies with strong growth potential, recurring revenues, diverse customer bases with high retention rates and a history of stable, profitable operations. Companies must have at least 5 years or profitable operations and a strong reputation within their industry. JCP's objective is to partner with existing companies by offering liquidity and providing growth capital infusions ensure continuity and long-term growth. The firm purchases companies at fair market value. They do not invest in distressed situations, start-ups or companies that have not yet attained profitability. | Finance |
Geminus Capital Partners LLC
 Geminus Capital Partners LLC Investment ManagersFinance Geminus Capital Partners seeks investment opportunities in middle market companies located in the United States primarily on the East Coast with revenues ranging from USD 10 million to 40 million and EBITDA ranging from USD 3 million to 10 million. The firm targets companies operating in the fields of manufacturing and service. It provides financing for buyout capital requirement. | Finance |
StudyBlue, Inc.
 StudyBlue, Inc. Internet Software/ServicesTechnology Services Provides online academic networks services | Technology Services |
Lincoln Peak Holdings LLC | |
QMC Telecom International Holdings LLC
 QMC Telecom International Holdings LLC Engineering & ConstructionIndustrial Services Builds, owns and manages wireless infrastructure | Industrial Services |
Conduit Capital Ltd.
 Conduit Capital Ltd. Multi-Line InsuranceFinance Provides life, health and medical insurance & investment services | Finance |
Oasis Group, Inc.
 Oasis Group, Inc. Financial ConglomeratesFinance Capital pool company | Finance |
Groton School
 Groton School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
College of the Atlantic
 College of the Atlantic Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Walker Publishing Co., Inc.
 Walker Publishing Co., Inc. Publishing: Books/MagazinesConsumer Services Publishes adult non-fiction and children's books | Consumer Services |
Housatonic Management Co., Inc.
Housatonic Management Co., Inc. Investment ManagersFinance Housatonic Partners invests in companies located in the United States. The fund targets companies operating in the fields of technology, business services, communications and healthcare. It provides financing for growth, minority recapitalization and buyout transactions with an investment size of USD 10 - 50 million. It acquires minority interest and takes seats on the board of directors. | Finance |
Wind River Environmental LLC
 Wind River Environmental LLC Other Consumer ServicesConsumer Services Provides septic, waste and wastewater treatment services | Consumer Services |
WGBH Educational Foundation
 WGBH Educational Foundation BroadcastingConsumer Services Operates television stations | Consumer Services |
OnRamp Access LLC
OnRamp Access LLC Data Processing ServicesTechnology Services Provides security hosting and disaster recovery solutions | Technology Services |
White Flower Farm, Inc.
 White Flower Farm, Inc. Agricultural Commodities/MillingProcess Industries Cultivates and distributes a wide range of flowers & houseplants | Process Industries |
Megunticook Management, Inc.
 Megunticook Management, Inc. Investment ManagersFinance Megunticook Management focuses on investments in very early-stage media, communications, business services and technology companies. The firm is particularly interested in the following areas: (1) electronic delivery of products and services (2) niche opportunities in wired and wireless communication (3) tools that support gathering data and marketing directly to targeted customer groups (4) technology that integrates non-compatible information sources (5) services and products that facilitate electronic commerce, particularly on the business-business side and (6) unique niche content for the electronic world. Megunticook Management often provides the first venture funding that their portfolio companies receive. Initial investments range from $500,000 to $3 million and the firm typically maintains a reserve for follow-on investments. They are the lead investor in most of their investments, but may also co-invest with other institutional investors that are known to the firm and share their investment philosophy. | Finance |
Venatus Capital Partners LLC
 Venatus Capital Partners LLC Investment ManagersFinance Venatus Capital Partners seeks investment opportunities in middle-market companies located in the United States. The firm focuses on companies with revenues ranging from $10 - $30 million, EBITDA of $1 - $4 million, defensible market position and strong management teams. It seeks controlling investments in privately held companies and provides financing for buyout transactions. | Finance |
Access Information Management Shared Services LLC
 Access Information Management Shared Services LLC Data Processing ServicesTechnology Services Provides data management and storage services | Technology Services |
Carillon Assisted Living LLC
Carillon Assisted Living LLC Services to the Health IndustryHealth Services Provides elderly care and treatment services | Health Services |
Liberty Towers LLC
 Liberty Towers LLC Miscellaneous Commercial ServicesCommercial Services Develops and acquires wireless communications towers | Commercial Services |
Walker & Co. LLP | |
Walker & Company Brands, Inc.
 Walker & Company Brands, Inc. Other Consumer ServicesConsumer Services Provides health and beauty products | Consumer Services |
Oasis Group Ltd. /Nigeria/
Oasis Group Ltd. /Nigeria/ Financial ConglomeratesFinance Operates as investment holding company | Finance |
Wright Equity Partners LLC
 Wright Equity Partners LLC Investment ManagersFinance WEP invest in lower-middle market companies located in the Eastern and Southeastern United States. The fund focuses on companies with revenues of USD 5 - 50 million, EBITDA of USD 2 - 10 million and transaction value up to USD 50 million. It targets companies operating on a broad range of sectors and industries. It provides financing for growth and buyout transactions. | Finance |
Mammoth Equity Partners LLC
 Mammoth Equity Partners LLC Investment ManagersFinance Mammoth Equity Partners invests in middle-market companies located in the United States primarily in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Utah and Washington with an EBITDA of USD 2 to 6 million and revenues of USD 5 to 75 million. The firm targets companies operating in the fields of healthcare services, pharmaceutical services, business services, business process outsourcing (BPO), light manufacturing and distribution. It provides financing for growth stage capital requirements and also makes majority investments. | Finance |
Stanford Graduate School of Business
 Stanford Graduate School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Stanford Graduate School of Business Trust | |
Ariol Capital Ltd.
Ariol Capital Ltd. Investment ManagersFinance Ariol Capital is an active manager which invests in Europe middle market companies revenues between EUR 5-60 million. It participates in buyout capital requirements. Ariol Capital focuses on sectors such as packaging and containers. | Finance |
Zircodata Pty Ltd.
 Zircodata Pty Ltd. Miscellaneous Commercial ServicesCommercial Services Business and assets related to Australian record management services | Commercial Services |
Zircodata Acquisition Holdings Pty Ltd.
 Zircodata Acquisition Holdings Pty Ltd. Data Processing ServicesTechnology Services Provides information management solutions | Technology Services |
CONSOL Energy, Inc.
 CONSOL Energy, Inc. CoalEnergy Minerals Provides bituminous coal mining services | Energy Minerals |
Banyan Software, Inc.
 Banyan Software, Inc. Financial ConglomeratesFinance Acquires, builds and grows enterprise software businesses | Finance |
Stanford Business School Trust | |
T. Rowe Price Associates, Inc.
 T. Rowe Price Associates, Inc. Investment ManagersFinance Provides investment management services | Finance |
EverArc Holdings Ltd.
 EverArc Holdings Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Neul Capital Holdings LLC
 Neul Capital Holdings LLC Financial ConglomeratesFinance Provides investment services | Finance |
Perimeter Solutions SA
 Perimeter Solutions SA Chemicals: Major DiversifiedProcess Industries Manufactures fire retardants, safety products and oil additives | Process Industries |
Housatonic Partners
 Housatonic Partners Finance/Rental/LeasingFinance Part of Housatonic Management Co., Inc., Housatonic Partners is a private equity investment firm that invests in growing, profitable businesses with highly recurring revenue. The company is based in San Francisco, CA. The company was founded in 1994 by William Nicholas Thorndike. | Finance |
