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$9.1 B
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AUM (USD)1
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United States, Institutional
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Private investing takes Unique Perspectives
At Wellington, we consider the private market from multiple angles.
As one of the world’s largest independent asset managers, we leverage the power of our deep industry research, our experts across asset classes, and our global networks in public and private markets. These resources enable us to find and support the private companies that we believe are poised to transform their industries.
At a glance
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271
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Total investments
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16+
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Average core investment team years' experience²
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9
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Sector focus areas
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Investing in bold ideas – and the people behind them
Meet our private investing team
- Co-Head, Private Investments
- Boston
- Co-Head, Private Investments
- Boston
- Director, Private Investments
- Chicago
- Portfolio Manager and Head, Private Real Estate Credit
- New York
- Head of Private Credit
- Boston
- Head of Wellington Access Ventures
- New York
- Head of Growth Lending
- San Francisco
- Head of Private Investments Capital Formation
- New York
- Head of Biotech Private Investments
- Boston
- Head of Private Placements
- New York
- Head of Portfolio Management, Private Placements
- Boston
- Head of Private Climate Investing
- New York
- Head of Late-Stage Growth
- New York
Our focus areas
Venture capital
From energy transformation to sustainable cities to next-generation agriculture, we support innovative companies helping to address the impacts of climate change.
We seek out companies at the nexus of scientific breakthroughs and medical needs with innovations that are improving the standard of care of medicine for patients.
To guide late-stage private companies through the finish line and beyond, we leverage our deep industry expertise, resources, and long-term relationships across public and private markets.
Private credit
Value creation for our portfolio companies
Portfolio support that goes far beyond capital
Our Value Creation Team offers our portfolio companies access to Wellington’s vast network of public and private market experts. From seed stage to IPO, we tailor the resources of our US$1.3 trillion investment platform to meet our portfolio companies where they are and help them minimize risk and maximize long-term value.
Climate research collaboration
We harness long-term climate research collaboration with both the Woodwell Climate Research Center and the MIT Joint Program on the Science and Policy of Global Change. These relationships allow us to gain science-based insights and make projections that inform our climate work.
Our investments
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Sector:Biotechnology
Acrivon Therapeutics
Acrivon Therapeutics Inc is a clinical-stage biopharmaceutical company developing oncology medicines that the Company matches to patients whose tumors are predicted to be sensitive to each specific medicine by utilizing its proteomics-based patient responder identification platform.
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Sector:Information technology
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Sector:Biotechnology
Affinavix
Pioneering the development of a novel class of vaccines, the most advanced of which are next-generation pneumococcal vaccines.
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Sector:Financials
Affirm
Affirm is a smarter way to pay overtime. Shop pretty much anywhere and pay at your own pace without any fees.
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Sector:Health care
Agilon Health
Transforming health care for seniors by empowering primary-care physicians to focus on the entire health of their patients.
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Sector:Consumer discretionary
Airbnb
An online marketplace that connects people who want to rent out their homes with people who are looking for accommodations in specific locales.
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Sector:Biotechnology
Aligos Therapeutics
Developing targeted therapies for NASH and Viral Diseases to address important unmet medical needs.
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Sector:Health care
Allena Pharmaceuticals
A biopharmaceutical company deploying novel oral biological platform for difficult-to-treat metabolic diseases.
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Sector:Climate technology
AMP Robotics
Founded in 2015 and headquartered in Louisville, CO. AMP Robotics offers recycling solutions pairing AI with innovative robotic technology to drive higher recycling levels while also solving critical pain points around labor shortages, processing costs, and global sustainability goals.
Wellington has unique insight to both the private and public markets. That’s something you don’t see a lot.
Dr. Ken Song is the CEO of RayzeBio, which is a portfolio company that Wellington has invested in. This statement about Wellington reflects a personal opinion that may not be shared by others. There has been no compensation provided for such statements.
Private Investing News
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Matt Witheiler named to Forbes “The Midas List: The World’s Best Venture Capital Investors in 2025.”
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Congratulations to Matt Witheiler, Head of Late-Stage Growth, who was named to Forbes’ The Midas List: The World’s Best Venture Capital Investors in 2025, for the fifth year in a row!
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Wellington Management did not pay a fee to be considered. Winners were selected by a data-driven approach, the Midas List is produced from a combination of public data sources and the submissions of hundreds of investment partners across hundreds of firms each year. This award was announced on May 27, 2025, a submission made in April 2025 and is based on 5 years of trailing data. Wellington Management was a winner in the Top Tech Investors category, which was judged based on Forbes’ criteria. The award may not be representative of any one client’s experience. The award is not indicative of Wellington Management’s future performance. Past performance is no guarantee of future results.
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Bloomberg Zero | How to invest in climate in the Trump era
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Head of Private Climate Investing Greg Wasserman recently appeared on the Bloomberg Zero podcast, which covers the policies, tactics, and clean technologies taking us to a future of zero emissions, among other climate-change-related topics. In the episode, Greg outlines private market investment opportunities and innovation in this space.
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Wellington Management expands private investing capabilities with formation of a private real estate credit platform
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Ravi S. Anand appointed Head of Private Real Estate Credit and is joined by team of seasoned industry veterans.
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Wellington Management reports the final close of its inaugural Wellington CLO Partners Fund.
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Wellington Management reports the final close of its inaugural Wellington CLO Partners Fund. Discover how this exciting milestone positions the firm to expand its platform and demonstrate its commitment to serving our clients as a CLO manager.
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Private Market Talks: Pacing Growth and Maintaining Discipline with Wellington Management’s Shanna O’Reilly
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Shanna O'Reilly, Co-head, Private Investments joined the Proskauer podcast, Private Market Talks during their first episode of the podcast's fourth season discussing Wellington's disciplined approach to future growth areas, investing in talent, and much more. The episode also dives into "the nuances of venture investing," risk diversification, and navigating today's competitive landscape.
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Wellington Management hires a new head of Investor Relations, Private Investments.
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We are pleased to welcome Laura Kirk to our Private Investing Team to help support and lead the acceleration and expansion of the Private Investing platform. Laura joins, joining us from Goldman Sachs where she most recently served as the Chief of Staff for President & COO, following 14 years in leadership positions within GSAM.
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Private Equity International | AI drives transformational technology shift
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Head of Late-Stage Growth, Matt Witheiler and Sector Lead, Rob Mazzoni spoke with Private Equity International during a Keynote Interview about how advances in artificial intelligence offers new use cases and productivity gains, opening opportunities for late-stage companies.
Source: Private Equity International
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Invested in Climate | Wellington Management’s $385m Climate Fund with Greg Wasserman
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Greg Wasserman, Head of Private Climate Investing, joined Invested in Climate’s podcast in their 92nd episode to discuss his personal journey as a private climate investor, how climate investing has changed, what he is currently excited about, opportunities for the future, and more.
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Bloomberg Markets: The Close | Tech IPO’s ‘on the rebound’ despite market volatility: Witheiler
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Watch Matt Witheiler, Head of Late-Stage Growth, on Bloomberg Markets: The Close discussing his latest “on the rebound” IPO markets outlook, AI, and broad venture capital themes.
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Preqin | Lessons from raising an inaugural private climate fund
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Greg Wasserman, Head of Private Climate Investing, sat down for a Q&A interview with Preqin to discuss raising a $385m climate fund, the opportunities in climate investing, and lessons learned.
Source: Preqin
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Shanna O’Reilly named to GrowthCap’s “Top Women Leaders in Growth Investing.”
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Congratulations to Shanna O’Reilly, Co-head, Private Investments, who was named to GrowthCap’s “Top Women Leaders in Growth Investing” list. This recognition highlights her impact building Wellington’s global private investing business and her mentorship both within our firm and across the industry.
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Wellington Management did not pay a fee to be considered. The selection of winners was carried out through a nomination process that involved reviewing feedback from colleagues, portfolio company executives, and others in the industry for each nominee. The evaluation of each candidate was based on factors such as their success in their roles, the breadth of their experience, their longevity in the field, and their consistent performance. This award was announced on June 18, 2024, a submission made in January 2024. The award may not be representative of any one client’s experience. The award is not indicative of Wellington Management’s future performance. Past performance is no guarantee of future results.
Source: GrowthCap
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Matt Witheiler named to Forbes “The Midas List: The World’s Best Venture Capital Investors in 2024.”
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Congratulations to Matt Witheiler, Sector Lead, Consumer & Technology who was named to Forbes’ The Midas List: The World’s Best Venture Capital Investors in 2024, for the fourth year in a row!
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Wellington Management did not pay a fee to be considered. Winners were selected by a data-driven approach, the Midas List is produced from a combination of public data sources and the submissions of hundreds of investment partners across hundreds of firms each year. This award was announced on June 4, 2024, a submission made in January 2023 and is based on 5 years of trailing data. Wellington Management was the only winner in the Top Tech Investors category, which was judged based on Forbes’ criteria. The award may not be representative of any one client’s experience. The award is not indicative of Wellington Management’s future performance. Past performance is no guarantee of future results.
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Pensions&Investments | Wellington, the quiet giant, wades into private credit amid boom in lending
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Director, Private Credit, Emily Bannister and Head of Client Group, Scott Geary, spoke with Pensions&Investments on the firm’s move into Private Credit as part of its growing Private Investing platform. In 2023, the firm launched its Private Credit capability with the investment-grade private placements strategy and is expanding into growth lending this year.
Source: Pensions&Investments
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Axios | Exclusive: Wellington raises $385M for first private climate fund
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Greg Wasserman, Head of Private Climate, sat down with Alan Neuhauser at Axios to discuss the final close of the private investing platforms first climate innovation fund and the sector opportunities the investment team is focusing on.
Source: Axios
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Wellington Management announces US$385 million final close for Climate Innovation I
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We are pleased to announce the final close of Wellington’s inaugural fund to invest solely in private companies developing solutions to help mitigate and adapt to climate change.
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Insights
Showing
of
Insights Posts
Preparing to go public: Five IPO lessons learned
Our Value Creation Team highlights five IPO preparation lessons learned for private companies aiming for successful public market entry.
3
min
Article
2026-05-31
SeatGeek deal overview
Head of Late-stage Growth Matt Witheiler and Equity Research Analyst Peter Blain highlight their insights on Wellington’s investment in SeatGeek, discussing the company's potential in primary and secondary ticketing in the growing ticketing landscape.
7
min
Video
2026-04-30
Databricks deal overview
Head of Late-stage Growth Matt Witheiler and Global Industry Analyst James McNay discuss their work together on Wellington’s investment in Databricks, highlighting the company’s innovation in AI and data analytics amid the evolving tech landscape.
6
min
Video
2026-05-01
Venture capital roundtable: 2025 outlook
In this roundtable, we explore the short- and longer-term implications of Trump 2.0, share our views on the IPO and M&A environments, and dive into the potential impact of tariffs, labor scarcity, and a higher-for-longer interest-rate environment.
18
min
Video
2026-01-31
Private market perspectives
Hear from private market experts across our early-stage venture, climate growth, late-stage biomedical, late-stage growth, private credit, and ESG teams.
5
min
Video
2026-01-28
Investing for a next-gen workforce
Learn how Wellington's early-stage venture team discovers startups empowering the next-gen workforce with AI-driven upskilling, career-matching, and entrepreneurial tools.
5
min
Article
2026-01-09
Alternative Investment Outlook
This collection provides timely ideas across the spectrum of alternative investments -- including hedge funds, private equity, and private credit.
Article
2025-12-31
Governance best practices in public markets
For private companies approaching the public markets, we highlight the corporate governance best practices that can help pave strong relationships with public market investors.
7
min
Article
2025-12-31
Private biotech: Immunology and inflammation’s third wave
Our experts discuss how I&I is building on industry progress to offer new treatment solutions and interesting opportunities for private biotech investors.
5
min
Article
2025-12-01
Venture capital outlook for 2025: 5 key trends
Our venture capital experts are encouraged by the healthier environment for venture capital in 2025. In this year's outlook, they explore key themes for the year ahead, including: higher deployment, AI, rebounding IPOs, and impacts of the 2024 election.
7
min
Article
2025-12-31
Private Investment Outlook
In our private market outlook collection, we explore the themes driving the rapid evolution of private credit and private equity markets.
Article
2025-12-31
URL References
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1 As of 30 April 2025. This reflects the committed capital to, and investments made by the private investing platform.
2 Reflects general investment industry experience.
