Josh Kushner's net worth has more than tripled in the past year. Forbes now estimates his fortune at approximately $16.7 billion, up from $5.2 billion, driven largely by the growth of Thrive Capital and the appreciation of investments including OpenAI and SpaceX. For family offices, however, the more interesting story is not the size of his fortune but how it was created.

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Focusing on Preservation is the Wrong Strategy  

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Much of the discussion around multigenerational wealth focuses on preservation: protecting assets, preparing heirs, and ensuring the family fortune survives another generation. Those goals are important, but they can also encourage an overly defensive mindset. Long-term success depends not only on preserving wealth but on producing people capable of creating it. We explored this in our piece The “Three Generations” Myth - And Why the Next Generation of Family Offices Looks Nothing Like the Stereotype. Josh Kushner illustrates that distinction. Although he benefited from family capital, networks, and business exposure, he did not inherit or expand the family's real estate business. Instead, he built an entirely different wealth-generation platform.

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A Platform, Not a Portfolio

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Kushner founded Thrive Capital in 2010 at age 25 with a $5 million fund. Sixteen years later, the firm manages more than $65 billion in assets, with more than half of that growth coming from investment gains rather than fundraising. According to Forbes, Thrive has generated average annual returns of roughly 33% after fees, building its reputation through a track record rather than inherited wealth. Early investments in Instagram, Spotify, Stripe, OpenAI, SpaceX, Databricks, Anduril, Ramp, Robinhood, and Nubank established Thrive as one of the leading venture firms of its generation.

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None of this suggests Kushner started on equal footing with the average entrepreneur. Family wealth provided access to capital, relationships, education, and the ability to take a longer-term view. Those advantages matter, but they are only valuable if they are compounded. For family offices, the objective is not to eliminate those advantages but to teach the next generation how to turn them into independent sources of value. Families can pass down capital, reputation, relationships, business experience, and pattern recognition; what matters is whether the next generation builds on them.

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Another lesson is that Kushner built an institution rather than simply making successful investments. A profitable investment creates wealth once, while an investment platform can continue generating opportunities for decades. Thrive has raised ten flagship funds, and its 2022 early-stage fund grew from roughly $516 million to more than $3.7 billion by mid-2026, helped by early investments in OpenAI, SpaceX, and Anduril. Instead of creating a valuable portfolio, Kushner created an organization capable of repeatedly identifying, financing, and compounding new opportunities.

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Compounding Competitive Advantages

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Kushner is now extending that model beyond venture capital. In 2025, Thrive launched Thrive Holdings, which acquires established businesses in traditional industries and modernizes them using artificial intelligence. By August 2026, the company had raised $2 billion at a valuation of roughly $12 billion and acquired more than 70 businesses, initially focusing on accounting and IT services. OpenAI also became an owner of Thrive Holdings, with employees working alongside portfolio companies to accelerate AI adoption. Rather than simply investing in companies transformed by AI, Kushner is building a platform designed to drive that transformation itself.

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Thrive's investment philosophy also reflects a willingness to concentrate capital behind exceptional businesses rather than broadly diversify. Kushner argues that a relatively small number of category-defining companies can create disproportionate value over long periods, explaining Thrive's repeated decisions to increase exposure to its highest-conviction investments. Family offices often emphasize diversification to preserve wealth, but entrepreneurial wealth creation frequently depends on conviction, concentration, and patience. The challenge is not choosing one approach over the other, but creating structures that allow entrepreneurial family members to take intelligent risks without jeopardizing the family's long-term financial security.

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Next Gens Need to Think Like Builders, Not Portfolio Managers

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Kushner's career also challenges the assumption that the next generation should simply inherit the existing family business. The Kushner family built its wealth in real estate, while Josh Kushner built his in technology investing and is now expanding into AI-enabled operating businesses. As industries and opportunities evolve, succession does not have to mean replication. The more valuable inheritance may be the ability to recognize opportunities and create new businesses rather than continuing the previous generation's strategy.

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That has implications for how family offices develop future leaders. Education should extend beyond understanding trusts, portfolios, and governance to giving the next generation responsibility, investment experience, independent networks, and opportunities to deploy capital. Allowing younger family members to test ideas, make decisions, and even fail on a manageable scale develops owners, entrepreneurs, and investors rather than simply responsible beneficiaries.

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A Better Measure of Success

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The conventional measure of multigenerational success, how much of the original fortune survives, may be incomplete. A better question is whether each generation produces people capable of creating new value. Kushner inherited meaningful advantages, but Thrive Capital was built, not inherited. A $5 million fund became a firm managing more than $65 billion, and he is now building another platform designed to transform businesses through AI. His story demonstrates that preserving an entrepreneurial legacy depends not only on protecting wealth but on developing the next generation's ability to build it again.

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Sources

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Tognini, G. (2026, August 23). Josh Kushner’s fortune tripled this year thanks to stakes in OpenAI, SpaceX and more. Forbes. https://www.forbes.com/sites/giacomotognini/2026/08/23/josh-kushners-fortune-tripled-this-year-thanks-to-stakes-in-openai-spacex-and-more/

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Forbes. (n.d.). Josh Kushner. https://www.forbes.com/profile/josh-kushner/

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Bellan, R. (2026, August 12). OpenAI-backed Thrive Holdings raises $2B to bring AI to the enterprise. TechCrunch. https://techcrunch.com/2026/08/12/openai-backed-thrive-holdings-raises-2b-to-bring-ai-to-the-enterprise/

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Bort, J. (2026, August 14). Thrive’s Joshua Kushner chides Silicon Valley VCs over AI euphoria. TechCrunch. https://techcrunch.com/2026/08/14/thrives-joshua-kushner-chides-silicon-valley-vcs-over-ai-euphoria/

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