
Healthcare investment from angel entrepreneur backing to management and M&A. Our fund focuses on healthcare innovation with strategic expertise.
WHO WE ARE
Founded by physicians who have built, scaled, and exited healthcare companies, FUND 41 brings a rare combination of clinical credibility and entrepreneurial execution to private investment.
We understand healthcare from the inside — the regulatory hurdles, the reimbursement dynamics, the clinical workflows, and the patient outcomes that ultimately drive enterprise value.
FUND 41 is a physician-led private investment fund that brings unparalleled medical expertise and strategic insight to healthcare investing. Our unique approach combines clinical knowledge with business acumen to identify and nurture the most promising healthcare innovations.
From angel entrepreneur backing to management buyouts and mergers & acquisitions, we provide comprehensive support across the entire investment lifecycle. Our team's deep understanding of healthcare operations, regulatory landscapes, and market dynamics positions us to create exceptional value.
We partner with visionary entrepreneurs and established healthcare companies to accelerate growth, optimize operations, and drive meaningful impact in patient care and healthcare delivery.
The global healthcare market represents one of the largest and most resilient investment opportunities of our generation. With aging populations, rising chronic disease burdens, and rapid technological disruption, the demand for innovative healthcare solutions has never been greater. FUND 41 is uniquely positioned to capitalize on these secular tailwinds through disciplined, physician-guided investment.
FUND OVERVIEW
FUND 41 deploys capital across the full spectrum of healthcare — from early-stage startups disrupting care delivery to established companies pursuing strategic acquisitions. Our physician-led investment committee evaluates every opportunity through both a clinical and financial lens, ensuring we back companies with genuine medical merit and strong commercial potential.
We concentrate our healthcare investment activity in sectors where physician insight creates a decisive advantage — areas where understanding clinical workflows, patient outcomes, and regulatory pathways is the difference between a good investment and a great one.
Comprehensive support from early-stage angel backing through growth capital to management buyouts and strategic acquisitions. We meet founders and operators wherever they are in their journey and provide the capital, expertise, and network they need to reach the next level.
Diversified healthcare investments with active management and strategic guidance from experienced physician-investors. We don't just write checks — we roll up our sleeves and work alongside management teams to build lasting enterprise value.
What sets FUND 41 apart is not just what we invest in, but how we invest. Our physician-led model creates structural advantages that traditional financial investors simply cannot replicate.
Clinical expertise driving investment decisions. Our managing partners have practiced medicine, built healthcare companies, and navigated FDA pathways — giving us an edge in evaluating true clinical and commercial viability.
Multiple successful exits and NASDAQ listings. Our portfolio companies have gone on to serve millions of patients, generate hundreds of millions in revenue, and deliver strong risk-adjusted returns to our investors.
Deep healthcare industry connections and partnerships spanning hospital systems, payer organizations, regulatory bodies, and leading academic medical centers across the United States.
OUR APPROACH
Our investment process is rigorous, transparent, and built on decades of combined experience in both medicine and finance. Every decision is informed by clinical insight, market analysis, and a deep commitment to improving patient outcomes while generating superior returns for our limited partners.
Leveraging our extensive healthcare network to identify high-potential investment opportunities across the healthcare ecosystem. We receive proprietary deal flow through our relationships with hospital systems, academic medical centers, physician networks, and industry conferences — giving us access to opportunities before they reach the broader market.
Comprehensive clinical, operational, and financial analysis combining medical expertise with rigorous business evaluation. Our due diligence process includes clinical advisory reviews, regulatory pathway assessments, competitive landscape mapping, and detailed financial modeling to ensure every investment meets our high standards.
Active partnership with portfolio companies providing strategic guidance, operational support, and industry connections. We work alongside management teams to refine go-to-market strategies, build key partnerships, recruit top talent, and navigate the complex regulatory and reimbursement landscape unique to healthcare.
Strategic exit planning through IPOs, strategic acquisitions, or secondary sales to maximize returns for all stakeholders. Our track record includes successful public listings on NASDAQ and strategic sales to leading healthcare corporations, delivering meaningful liquidity events for founders and investors alike.
INVESTMENT THESIS
Healthcare represents approximately 18% of U.S. GDP and is undergoing its most significant transformation in a generation. The convergence of artificial intelligence, genomics, value-based care models, and digital health infrastructure is creating extraordinary investment opportunities for those with the expertise to identify and evaluate them.
By 2030, all Baby Boomers will be over 65, driving unprecedented demand for healthcare services, medical devices, and pharmaceutical innovations. This demographic shift creates durable, long-term tailwinds for healthcare investment across virtually every sub-sector.
Artificial intelligence, machine learning, and digital health platforms are fundamentally reshaping how care is delivered, diagnosed, and managed. Companies at the intersection of technology and clinical medicine represent some of the most compelling investment opportunities in the market today.
The shift from fee-for-service to value-based care models is creating new winners and losers across the healthcare landscape. FUND 41 identifies companies positioned to thrive in this new paradigm — those that improve outcomes, reduce costs, and align incentives across the care continuum.

LEADERSHIP
Founder & Managing Partner
Dr. Adam Nadelson is a visionary physician-entrepreneur with a proven track record of building and scaling successful healthcare ventures. As the CEO and Founder of The IV Doc, he revolutionized mobile healthcare delivery, creating a nationwide network that has served hundreds of thousands of patients.
He is the Co-Founder of Pasithea Therapeutics (NASDAQ: KTTA), a publicly-traded biopharmaceutical company focused on developing innovative treatments for psychiatric and neurological disorders. His leadership has guided the company through successful IPO and regulatory milestones.
With multiple successful exits and a reputation as a strategic investor, Dr. Nadelson has been recognized as one of America's Top Healthcare Entrepreneurs. His unique combination of clinical expertise, business acumen, and investment experience positions FUND 41 at the forefront of healthcare innovation.
Dr. Nadelson's investment philosophy centers on identifying transformative healthcare solutions that improve patient outcomes while generating exceptional returns. His extensive network and deep industry knowledge enable FUND 41 to access premier deal flow and provide unparalleled value to portfolio companies.
A board-certified physician with training from leading academic medical institutions, Dr. Nadelson brings a rare perspective to private investment — one grounded in the realities of clinical practice and the demands of building scalable healthcare businesses. He is a sought-after speaker at healthcare investment conferences and a trusted advisor to founders navigating the complex intersection of medicine and entrepreneurship.
FREQUENTLY ASKED QUESTIONS
Everything you need to know about our physician-led healthcare investment fund, our process, and how we partner with entrepreneurs and investors.
GET IN TOUCH
Explore investment opportunities and strategic partnerships with FUND 41. Let's discuss how we can power tomorrow's health together.
Important Information — Please Read Carefully
Nothing on this website constitutes an offer to sell, or a solicitation of an offer to buy, any securities or investment products. Any such offer or solicitation will be made only by means of a confidential Private Placement Memorandum ("PPM") and only to qualified investors in jurisdictions where such an offer is permitted by law. This website is for informational purposes only and does not constitute investment advice.
Interests in FUND 41 are offered exclusively to "accredited investors" as defined under Rule 501(a) of Regulation D promulgated under the Securities Act of 1933, as amended, and/or "qualified purchasers" as defined under the Investment Company Act of 1940. Participation in the fund is subject to eligibility verification and suitability assessment. Prospective investors must satisfy applicable legal and regulatory requirements.
Certain statements on this website may constitute "forward-looking statements" within the meaning of applicable securities laws. These statements involve known and unknown risks, uncertainties, and other factors that may cause actual results, performance, or achievements to differ materially from those expressed or implied. Forward-looking statements are based on current expectations and assumptions and are subject to change without notice. FUND 41 undertakes no obligation to update any forward-looking statements.
Past performance is not indicative of future results. All investments involve risk, including the possible loss of the entire principal amount invested. Private fund investments are illiquid, speculative, and suitable only for investors who can bear the risk of losing their entire investment. There is no guarantee that any investment strategy will achieve its objectives. Prospective investors should carefully review all risk factors described in the PPM before investing.
FUND 41 and its affiliates may be exempt from registration as an investment adviser under the Investment Advisers Act of 1940 pursuant to applicable exemptions. This website has not been reviewed or approved by the U.S. Securities and Exchange Commission (SEC), the Financial Industry Regulatory Authority (FINRA), or any other federal or state regulatory authority. Registration with the SEC does not imply a certain level of skill or training.
The information contained on this website is provided for general informational purposes only and does not constitute investment, legal, tax, or accounting advice. Prospective investors should consult with their own independent legal counsel, tax advisors, and financial advisors before making any investment decision. FUND 41 makes no representations regarding the tax consequences of any investment.
The information on this website is confidential and intended solely for the use of the individual or entity to whom it is directed. This website and its contents are not directed at, and should not be relied upon by, any person in any jurisdiction where the publication or availability of this website or its contents would be contrary to applicable law or regulation. It is the responsibility of any person accessing this website to satisfy themselves as to full observance of the laws of any relevant jurisdiction, including obtaining any governmental or other consent which may be required, or observing any other formality which needs to be observed in that jurisdiction.
IMPORTANT NOTICE: This website is for informational purposes only. It does not constitute an offer or solicitation to buy or sell any security. Investments in private funds are speculative, involve a high degree of risk, and are suitable only for sophisticated investors who can afford to lose their entire investment. By accessing this website, you acknowledge that you have read, understood, and agree to be bound by these terms. FUND 41 reserves the right to modify this disclaimer at any time without notice. © 2026 FUND 41. All rights reserved.
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