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Wellington Partners

Dr. Rainer Strohmenger and Dr. Johannes Fischer have run Wellington Partners since 1998, raising EUR 590M across dedicated life-science funds.

Wellington Partners logo

Wellington Partners

Founded in 1998 in Munich, Wellington Partners has spent nearly three decades as a dedicated life-science venture investor. The firm's leadership rests with Managing Partners Dr. Rainer Strohmenger and Dr. Johannes Fischer, who oversee a team that includes Partners Dr. Varun Gupta, CFO Harald Keller, and Legal Counsel Ernst Mannheimer. The group raised its fifth and largest fund, WPLS V, at EUR 210 million after a heavily oversubscribed close. Wellington's investment strategy covers early- and growth-stage therapeutics, medical devices, diagnostics, and digital health. It also invests in industrial biotechnology. The firm writes initial checks at seed through Series B and follows on in later rounds across Germany, Switzerland, and broader European innovation hubs. Its current portfolio includes Confo Therapeutics, NUCLIDIUM, and AMB, while exits and IPOs span Actelion, Definiens, and Rigontec. In July 2025, Wellington co-led an EUR 84 million Series B for NUCLIDIUM to advance its copper-based radiopharmaceutical platform. The firm also participated in a $50 million Series C for Polares Medical in March 2026. Wellington deploys capital through a lean, science-heavy team of roughly 19 professionals operating from Munich and Zurich. The partnership includes a deep bench of venture partners — among them Dr. Bo Jesper Hansen, Stuart Essig, and Dr. Peter Hirth — who extend the firm's sourcing reach across European research institutions. In May 2026, portfolio company NUCLIDIUM closed a Series B extension that brought its total round to CHF 105 million, demonstrating Wellington's capacity to support portfolio companies through multiple financing cycles. The firm's administrative scale includes dedicated sustainability, finance, and project management functions. Wellington Partners' structural differentiator is its single-sector concentration in life sciences, a posture that yields a portfolio of pure-play therapeutics, devices, and diagnostics. Unlike multi-stage or multi-sector venture firms, the partnership carries no exposure to software, consumer, or industrial assets, making it a concentrated proxy for European healthtech innovation and creating a co-investment lane for institutional allocators seeking undiluted therapeutic exposure.

General information

Firm type

Private Equity

Year founded

1998

AUM

Undisclosed

Location

Region

Europe

Country

Germany

City

Munich

Corporate office

Türkenstraße 5, 80333 Munich, Germany

Additional offices

Seidengasse 16, 8001 Zurich, Switzerland

Principals

Dr. Rainer Strohmenger

Managing Partner

Dr. Johannes Fischer

Managing Partner

Dr. Varun Gupta

Partner

Harald Keller

Managing Partner, CFO

Ernst Mannheimer

Managing Partner, Legal Counsel

Sabine Kannegiesser

Partner

Dr. Regina Hodits

Venture Advisor

Sector focus

Digital HealthMedical DevicesDiagnosticsIndustrial Biotechnology

Frequently asked questions

Who runs investment decisions at Wellington Partners?

Managing Partners Dr. Rainer Strohmenger and Dr. Johannes Fischer lead the investment team. Dr. Varun Gupta, Sabine Kannegiesser, and Venture Advisor Dr. Regina Hodits are also named as senior deal professionals. The firm's website lists no separate investment committee, suggesting decisions rest with the managing partner group.

Does Wellington Partners invest outside of Europe?

Wellington states it focuses on companies from Germany, Europe, and beyond. Its Zurich office and portfolio companies like Polares Medical, which is U.S.-focused, indicate the firm will back European-origin companies that pursue global regulatory pathways, including FDA approval in the United States.

Is Wellington Partners structured as a single family office or does it operate more like a venture firm?

Wellington Partners is a venture capital firm, not a family office. It manages multiple closed-end funds raised from external institutional investors and was founded as an independent asset manager in 1998. The firm's latest vehicle, WPLS V, closed at EUR 210 million and was described by the firm as considerably oversubscribed.

What investment stages does Wellington Partners typically target?

The firm targets early- and growth-stage life science companies. Its portfolio spans seed, Series A, and Series B rounds (such as the EUR 84 million Series B for NUCLIDIUM in July 2025 and the CHF 105 million total for the same company by May 2026), as well as later-stage expansion financings.

How is Wellington Partners' current fund different from its predecessors?

WPLS V, the firm's fifth fund, closed at EUR 210 million, which the firm reports is more than double the volume of its predecessor. It was considerably oversubscribed and remains focused on biotechnology and medical technology.

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