Public Company Financial Services

Janus Henderson Investors

London, Colorado, United Kingdom

At Janus Henderson, we are investors—we help clients define and achieve superior financial outcomes through differentiated insights, disciplined investments, and world-class service. We invest based on insight-led investing across equities, fixed income and alternatives.

Focus Areas
Asset management, Equities, Fixed income

Tracked deals

9

9 tracked deals across 2021-2026.

Recent pace

4

4 tracked deals announced in the last 12 months.

Deal mix

Buyout

8 buyout · 1 growth capital

Janus Henderson Investors Acquisition Volume by Year

Last 5 years

Acquisition volume by year Annual acquisition counts for the last 5 years for Janus Henderson Investors. 1 2021 2 2022 1 2024 1 2025 ~5 est. 4 2026
Actual Full-year estimate

Supporting Data

Recent Transactions

  • Talawar Therapeutics to Go Public via Business Combination with JATT II Acquisition Corp
    June 29, 2026
    Buyer
    JATT II Acquisition Corp, Access Biotechnology, Bain Capital Life Sciences, Deep Track Capital, RA Capital Management, Janus Henderson Investors, Vianti Capital, Farallon Capital Management, JATT Ventures II L.P.
    Target
    Talawar Therapeutics, Talawar Tx Inc
    Industry
    Biotechnology
    Location
    New Jersey, United States
    Type
    Buyout

    Talawar Therapeutics entered into a definitive business combination agreement with JATT II Acquisition Corp to create a publicly listed biotechnology company focused on developing bispecific antibodies for immunology and inflammatory diseases. The transaction is expected to close in the second half of 2026 and includes an oversubscribed $225 million PIPE alongside $60 million held in JATT II’s trust account (assuming no redemptions).

  • Janus Henderson to Acquire Rantum Capital
    June 11, 2026
    Buyer
    Janus Henderson
    Target
    Rantum Capital
    Industry
    Financial Services
    Location
    Hesse, Germany
    Type
    Buyout

    Janus Henderson has entered into an agreement to acquire Rantum Capital, a Frankfurt-based private markets investment manager. The deal is intended to strengthen Janus Henderson’s presence in Germany and expand its private credit (and private equity) capabilities across the DACH region and Europe.

  • InMed Pharmaceuticals to Merge with Mentari Therapeutics in $290M All-Stock Deal
    May 20, 2026
    Buyer
    InMed Pharmaceuticals, Inc., Fairmount, Commodore Capital, Deep Track Capital, Janus Henderson Investors, a16z Bio + Health, Venrock Healthcare Capital Partners, Wellington Management, TCGX, Blackstone Multi-Asset Investing, BB Biotech, Farallon Capital, RTW Investments, Vivo Capital, Perceptive Advisors, Sirenia Capital Management LP, Oruka Therapeutics (Oruka Therapeutics executive board involvement)
    Target
    Mentari Therapeutics, Inc.
    Industry
    Biotechnology
    Location
    United States
    Type
    Buyout

    InMed Pharmaceuticals (NASDAQ: INM) entered into a definitive all-stock merger agreement with privately held Mentari Therapeutics, creating a publicly traded migraine-focused biotech under the Mentari name. The transaction is supported by an oversubscribed $290 million private placement led by Fairmount to fund operations through 2028.

  • Janus Henderson Acquires Richard Bernstein Advisors
    January 23, 2026
    Buyer
    Janus Henderson Group
    Target
    Richard Bernstein Advisors (RBA)
    Seller
    Richard Bernstein Advisors (RBA) shareholders (implied)
    Industry
    Financial Services
    Location
    New York, United States
    Type
    Buyout

    Janus Henderson Group entered into a definitive agreement to acquire 100% of Richard Bernstein Advisors (RBA), a research-driven macro multi-asset investment manager. The deal is intended to expand Janus Henderson’s model portfolio and separately managed account (SMA) capabilities and distribution reach, and it closed in early 2026.

  • QIA Leads $250M Financing in Kardium to Support Commercial Launch
    July 2, 2025
    Buyer
    Qatar Investment Authority (QIA), Janus Henderson Investors, MM Capital, Piper Heartland Healthcare Capital, Eventide Asset Management, Eckuity Capital, T. Rowe Price (funds/accounts advised), Durable Capital Partners LP, Strategic investor (unnamed)
    Target
    Kardium Inc.
    Industry
    Medical Devices
    Location
    British Columbia, Canada
    Type
    Growth capital

    Kardium Inc., a Vancouver/Burnaby-based medical device company developing the Globe Pulsed Field System for atrial fibrillation, raised USD 250 million in a financing round led by the Qatar Investment Authority (QIA). The growth-capital raise, which included new investors Janus Henderson Investors, MM Capital, Piper Heartland Healthcare Capital, Eventide Asset Management, Eckuity Capital and participation from existing investors such as T. Rowe Price and Durable Capital, will fund regulatory approvals, the commercial launch and expansion of manufacturing capabilities.

  • Janus Henderson Group Acquires Majority Stake in Victory Park Capital Advisors
    August 12, 2024
    Buyer
    Janus Henderson Group
    Target
    Victory Park Capital Advisors
    Industry
    Financial Services
    Location
    Illinois, United States
    Type
    Buyout

    Janus Henderson Group entered into a definitive agreement to acquire a majority stake in Victory Park Capital Advisors (VPC), a global private credit manager headquartered in Chicago. The deal is expected to close in the fourth quarter of 2024 and is subject to customary regulatory approvals, with consideration paid via cash and Janus Henderson common stock.

  • Gemini Therapeutics and Disc Medicine Announce Definitive Merger Agreement
    August 10, 2022
    Buyer
    Gemini Therapeutics, Inc., Access Biotechnology, OrbiMed, Atlas Venture, 5AM Ventures, Novo Holdings A/S, Arix Bioscience, Rock Springs Capital, Janus Henderson Investors, Healthcare investors syndicate led by Access Biotechnology
    Target
    Disc Medicine, Inc.
    Industry
    Healthcare Services
    Location
    Massachusetts, United States
    Type
    Buyout

    Gemini Therapeutics (Gemini) and Disc Medicine (Disc) entered into a definitive, all-stock merger agreement to combine the companies into a NASDAQ-listed, clinical-stage biopharmaceutical focused on advancing Disc’s hematology pipeline. The merged company is expected to have about $175 million in cash at closing, including $53.5 million from a concurrent financing led by Access Biotechnology and including OrbiMed and other healthcare investors, with the merger expected to close in Q4 2022.

  • Inspirato to Go Public via Merger With Thayer Ventures Acquisition Corp
    February 11, 2022
    Buyer
    Thayer Ventures Acquisition Corporation, Janus Henderson Investors, Rodina, Kleiner Perkins, IVP, Company founders Brent Handler and Brad Handler, Certain other existing investors
    Target
    Inspirato LLC
    Industry
    Consumer Products
    Location
    Colorado, United States
    Type
    Buyout

    Luxury travel subscription brand Inspirato entered into a definitive merger agreement with Thayer Ventures Acquisition Corp, with the combined company expected to trade on Nasdaq under the ticker “ISPO.” The transaction included a committed ~$100 million PIPE led by Janus Henderson Investors and Rodina, valuing the pro forma company at an estimated enterprise value of ~$1.1 billion.

  • Altimeter Growth Corp Completes Business Combination with Grab; $4.5B Raised
    December 1, 2021
    Buyer
    Altimeter Growth Corp (AGC), Altimeter Capital Management (funds managed by Altimeter), BlackRock, Counterpoint Global (Morgan Stanley Investment Management), T. Rowe Price Associates, Inc., Fidelity International / Fidelity Management and Research LLC, Janus Henderson Investors, Mubadala, Nuveen, Permodalan Nasional Berhad (PNB), Temasek, K3 Ventures, Djarum (family group), Sariaatmadja family (family group), Sinar Mas (family group)
    Target
    Grab Holdings Limited
    Industry
    Transportation
    Location
    Singapore
    Type
    Buyout

    Grab Holdings Limited completed a business combination with Altimeter Growth Corp (AGC) and will begin trading on the Nasdaq following the transaction. The deal raised gross proceeds of approximately US$4.5 billion, including a US$4.0 billion PIPE led by funds managed by Altimeter Capital, to fund expansion of Grab's superapp ecosystem across ride-hailing, deliveries and digital financial services.

Related Acquisition Pages

Financial Services Buyers & Acquisitions 3 tracked deals by Janus Henderson Investors. Biotechnology Buyers & Acquisitions 2 tracked deals by Janus Henderson Investors. Consumer Products Buyers & Acquisitions 1 tracked deal by Janus Henderson Investors. Healthcare Services Buyers & Acquisitions 1 tracked deal by Janus Henderson Investors. Acquisitions in Colorado 1 tracked deal by Janus Henderson Investors. Acquisitions in Illinois 1 tracked deal by Janus Henderson Investors. Acquisitions in Massachusetts 1 tracked deal by Janus Henderson Investors. Acquisitions in New Jersey 1 tracked deal by Janus Henderson Investors.

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