Cook Group

Cook Group is a privately held American business group headquartered in Bloomington, Indiana. Its principal operating identity is Cook Medical, a medical-device manufacturer serving interventional medicine, while the wider group also includes service and property businesses. The company was founded by William Cook in 1963, when the initial medical-device operation began in a spare bedroom in Bloomington. Its earliest products included catheters, needles, and wire guides—basic but clinically important tools used to access blood vessels and other anatomical structures. From that initial product base, Cook developed a broad portfolio for minimally invasive procedures. Its medical activities have included products for interventional radiology, interventional cardiology, vascular surgery, gastroenterology, urology, critical care, and other hospital service lines. Reference material describes the company as having manufactured more than 16,000 products across ten hospital service lines by 2014 and serving customers in 135 countries. The portfolio has included access products, catheters, guidewires, stents, embolization products, needles, and other devices used by physicians during diagnostic and therapeutic procedures. Cook Group’s corporate structure extends beyond Cook Medical. The group has been described as having three principal divisions: Cook Medical, Cook Services, and Cook Properties. These divisions consist of multiple subsidiary companies. Medical-related businesses have included K-Tube and Cook Polymer Technology, while the property activities have included CFC Properties. The property portfolio has included residential and commercial real estate in Bloomington, Fountain Square Mall, and Grant Street Inn. Cook also restored and owns the French Lick Resort in Indiana, including the historic West Baden Springs Hotel and French Lick Springs Hotel. The company has remained privately held and family associated rather than pursuing a public stock-market listing. This ownership model has supported a long-term corporate identity centered on engineering, manufacturing, and expansion across related businesses. Cook’s medical-device activities have generally emphasized products used in hospital procedures rather than consumer healthcare goods, positioning the organization as a specialist supplier to clinicians and healthcare institutions. The group has also used portfolio transactions to reshape its medical businesses. In September 2017, Catalent acquired Cook Pharmica, a biopharmaceutical manufacturing business, in a transaction reported at $950 million. In February 2022, Cook Medical sold its Reproductive Health business to The Cooper Companies for a reported $875 million. These transactions show that Cook Group’s activities have included both medical-device manufacturing and adjacent healthcare manufacturing, with individual businesses periodically separated or transferred as the group adjusts its portfolio.

Cook Group traces its origins to William Cook’s medical-device venture, established in Bloomington, Indiana, in 1963. The operation began in a spare bedroom, reflecting the small-scale origins of a company that would later become a major privately held participant in interventional medicine. Its first products were catheters, needles, and wire guides. These devices addressed the practical requirements of minimally invasive procedures, allowing clinicians to reach, navigate, and treat areas of the body without relying exclusively on open surgery. The original Cook operation became the group’s flagship medical business, Cook Incorporated, within the broader Cook Medical division. Over time, the company expanded from a narrow range of access and navigation products into a large portfolio covering multiple hospital specialties. Its activities have included interventional radiology, interventional cardiology, vascular surgery, gastroenterology, urology, critical care, and related clinical fields. Product categories have included catheters, guidewires, needles, stents, embolization devices, vascular-access equipment, and other tools used in diagnostic and therapeutic interventions. Reference material states that by 2014 the company manufactured more than 16,000 products across ten hospital service lines and served 135 countries. Cook’s development was not limited to one manufacturing company. The wider group came to include medical subsidiaries such as K-Tube and Cook Polymer Technology, alongside nonmedical operations. Cook Group has been described as having three main divisions: Cook Medical, Cook Services, and Cook Properties. The property division, including CFC Properties, has owned residential and commercial properties in Bloomington as well as Fountain Square Mall and Grant Street Inn. Cook also restored and owns the French Lick Resort, which incorporates the historic West Baden Springs Hotel and French Lick Springs Hotel. These activities give the group a diversified structure beyond its core medical-device identity. The group has periodically changed its portfolio through acquisitions and divestitures. In September 2017, Catalent purchased Cook Pharmica for a reported $950 million. Cook Pharmica was a biopharmaceutical manufacturing business rather than a conventional medical-device line, and its sale transferred that operation to Catalent. In February 2022, Cook Medical sold its Reproductive Health business to The Cooper Companies for a reported $875 million. The transaction represented another portfolio adjustment within Cook’s healthcare activities. Cook Group has remained privately held. Unlike publicly traded device manufacturers, it does not have a listed share ticker, and its public profile has primarily been built through its products, subsidiaries, facilities, and business transactions. Its enduring identity is associated with long-term ownership, specialized manufacturing, and interventional healthcare. The group’s medical business continues to be represented principally by Cook Medical, while Cook Group encompasses the broader collection of medical, service, and property activities.

• 2022

  The Reproductive Health business was sold

  [1]Cook Groupen.wikipedia.org

  Cook Medical sold its Reproductive Health business to The Cooper Companies in February 2022 in a transaction reported at $875 million.

• 2017

  Cook Pharmica was sold to Catalent

  [1]Cook Groupen.wikipedia.org

  Catalent acquired Cook Pharmica in September 2017 in a transaction reported at $950 million.

• 2014

  The medical portfolio exceeded 16,000 products

  [1]Cook Groupen.wikipedia.org

  Reference material described Cook as manufacturing more than 16,000 products across ten hospital service lines and serving 135 countries.

• 1963

  Cook’s medical-device operation was founded

  [1]Cook Groupen.wikipedia.org

  William Cook established the original Cook medical-device business in Bloomington, Indiana. The first products included catheters, needles, and wire guides.

A privately held, specialist medical-device manufacturer focused on interventional medicine, minimally invasive procedures, and hospital-based clinical applications.

• Interventional access devices

  Catheters

  Catheters were among Cook’s original products and remain a central category in interventional medicine. They are used to access anatomical structures, deliver other devices or therapeutic materials, and support diagnostic or treatment procedures performed through small incisions or blood-vessel entry points.

• Interventional navigation devices

  Guidewires

  Guidewires are flexible navigation tools used to establish and maintain a pathway through vessels or other anatomical structures. Cook’s early product range included wire guides, and the category fits the company’s broader focus on minimally invasive procedures and device delivery.

• Vascular stents

  Zilver stent products

  The Zilver name is associated with Cook’s vascular stent offering. Stents are implantable devices intended to support or maintain the openness of a narrowed or obstructed vessel. Zilver products form part of Cook Medical’s interventional and vascular portfolio.

• Vascular protection device

  Celect inferior vena cava filter

  The Celect product is an inferior vena cava filter intended for use in the large vein returning blood to the heart. Such filters are designed to help capture blood clots traveling toward the lungs in selected clinical situations. It has been identified as one of Cook Medical’s flagship offerings.

• Interventional therapy devices

  Embolization products

  Cook’s embolization portfolio comprises devices used to block or reduce blood flow in targeted vessels during minimally invasive treatment. These products support interventional procedures in which physicians need to manage bleeding, vascular malformations, tumors, or other conditions requiring controlled vessel occlusion.

• Access and sampling devices

  Needles

  Needles were part of Cook’s founding product range. Within interventional care, specialized needles can support percutaneous access, tissue sampling, drainage, injection, and other procedures performed under imaging or clinical guidance.

• 2022

  Sale of the Reproductive Health businessM&A

  Background

  Cook Medical reviewed its healthcare portfolio and separated its Reproductive Health business from the wider company.

  Action taken

  Cook Medical sold the Reproductive Health business to The Cooper Companies in February 2022.

  Aftermath

  The reported transaction value was $875 million, transferring the business to The Cooper Companies.

  Reported transaction value. $875 million (February 2022)

  Source

• 2017

  Divestiture of Cook PharmicaM&A

  Background

  Cook Group’s portfolio included Cook Pharmica, a biopharmaceutical manufacturing business operating alongside the group’s medical-device activities.

  Action taken

  Cook sold Cook Pharmica to Catalent in September 2017.

  Aftermath

  The reported transaction value was $950 million, and the business became part of Catalent.

  Reported transaction value. $950 million (September 2017)

  Source

• 2022

  Cook Medical sold its Reproductive Health business to The Cooper Companies[1]Cook Groupen.wikipedia.org

  M&A

  Cook Medical sold its Reproductive Health business to The Cooper Companies in February 2022. The transaction was reported at $875 million.

• 2017

  Catalent acquired Cook Pharmica[1]Cook Groupen.wikipedia.org

  M&A

  Catalent purchased Cook Pharmica, a Cook Group biopharmaceutical manufacturing business, in September 2017. The transaction was reported at $950 million.

1. 1Cook Groupen.wikipedia.org
2. 2Cook Medicalcookmedical.com