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Sourcery with Molly O'SheaSourcery with Molly O'Shea

"We're in an Era of Agent-to-Agent War." Index Ventures on AI & Cybersecurity

Shardul Shah, Partner at $17B Index Ventures, joins Sourcery from the firm's NYC office to discuss its investments in Anthropic, Wiz, Datadog, Simile, Parallel, and the next generation of AI companies. Shardul joined Index in 2008 and has backed some of the most important companies in cloud infrastructure and cybersecurity, including Wiz, acquired by Google for $32B. We discuss why startup valuations will keep rising, how Index invests in founders before they even have a business plan, the firm's approach to conviction and concentration, the future of cybersecurity in an agent-to-agent world, and the evolving IPO and M&A markets. Shardul also shares how Index invested over $250M in Wiz, why the firm has historically underestimated its biggest winners, and how it identifies the next generation of category-defining founders. Shardul Shah: https://x.com/shardul_shah Molly O’Shea: https://x.com/MollySOShea Sourcery: ⁠https://x.com/sourceryy 𝐄𝐏𝐈𝐒𝐎𝐃𝐄 𝐋𝐈𝐍𝐊𝐒 Apple Podcasts: https://podcasts.apple.com/in/podcast/inside-%2417b-index-ventures-anthropic-wiz-datadog-the/id1738124704?i=1000799390919 Spotify: https://open.spotify.com/episode/26H725LZnqOabEuUbQylJU?si=PnYzzQPCQTicpbl2t24Bkw 𝐒𝐏𝐎𝐍𝐒𝐎𝐑𝐒 • Brex—The modern finance platform, combining the world’s smartest corporate card with integrated expense management, banking, bill pay, & travel. https://brex.com/sourcery • Harvey—The AI platform built for legal work, is helping the best firms and companies close deals faster. More than 200,000 lawyers, 80% of the Am Law 100, and over 20% of the Fortune 500 build with Harvey. Visit: http://harvey.ai/ • Zone—develops next-generation data center campuses, partnering with AI companies, site developers and technology leaders to bring compute online faster and at scale. Visit: https://zonefrontier.com • Mercor—The human intelligence behind frontier AI. Frontier labs and leading enterprises use Mercor to turn the knowledge of 5M+ experts into the data, evals and benchmarks that make AI better at real work. Visit: http://mercor.com/sourcery • VCX—VCX is the public ticker for private tech, allowing investors of all sizes to invest in venture capital. View The Portfolio at http://GetVCX.com • Deel—Deel is the global people platform that helps startups hire, manage, pay, and equip anyone, anywhere. Trusted by more than 35,000 fast-growing companies, Deel is the people platform that just works, so teams can scale without the chaos. Visit: https://www.deel.com/sourcery • Public–Investing platform Public just launched Generated Assets, which lets you turn any idea into an investable index with AI. With Generated Assets, you can build, backtest, refine, and invest in any thesis with AI. Gone are the days of one-size-fits-all ETFs. https://public.com/sourcery Follow Sourcery for the latest updates! https://www.sourcery.vc Disclosure: Paid Ad. Agents are an experimental AI tool. Its output may be inaccurate and is not investment advice. Public Holding’s, Inc. makes no guarantees about its accuracy or reliability—verify independently before use. Brokerage accounts and services provided by Open to the Public Investing, Inc. See additional disclosures at https://public.com/disclosures/agenticdisclosures. 𝐓𝐈𝐌𝐄𝐒𝐓𝐀𝐌𝐏𝐒 (00:00) Shardul Shah, Partner at Index Ventures (00:54) How venture has changed in the last 5 years (04:00) Index's biggest investments (05:35) What Index looks for when backing founders (08:41) Will AI replace venture capital? (09:17) What’s durable when AI moves this fast? (11:35) Why Index doesn't worry about valuations (15:12) "We're no longer an underdog" (16:33) The hardest part of winning deals (17:22) Inside Index's investment committee (18:25) The founder who proved his investor wrong (21:13) The lessons behind saying no and thinking bigger (22:59) The next wave of AI founders (26:10) Inside Flapping Airplanes (26:47) Did Wiz sell too early? (30:56) How much money do startups really need? (33:55) Concentration vs diversification (35:43) Why venture fund cycles are getting shorter (37:13) The changing IPO and M&A environment (39:41) What 3 decades of returns look like (41:25) The person behind Shardul's biggest decisions

Shardul ShahguestMolly O'Sheahost
Nov 2, 202644mWatch on YouTube ↗

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At a glance

WHAT IT’S REALLY ABOUT

Index Ventures on taste-driven VC, AI durability, and conviction-led deals

  1. Shardul Shah says venture has “industrialized” over the past five years, and Index Ventures tries to stand out through taste, relationships, and judgment rather than pattern-based filtering.
  2. He describes Index’s early-stage approach as primarily founder-driven—sometimes investing even before a business plan or metrics exist—by listening for who the entrepreneur is and building conviction.
  3. He argues AI’s rapid capability shifts make “durability” harder to assess, so Index prioritizes adaptable founders, especially those who can hold “duality” (creative imagination plus operational excellence).
  4. He says Index doesn’t focus much on valuation sensitivity, believing more capital will continue chasing a limited set of massive outcomes, and that “being cute on price” can cause firms to miss the best companies.
  5. He outlines Index’s fast, conversational investment committee process and emphasizes that major inflection points—like whether to accept acquisition offers—depend on nuanced judgment rather than a single ‘truth.’

IDEAS WORTH REMEMBERING

5 ideas

Venture is “industrializing,” and Index tries to differentiate via taste over pattern-filters.

He describes the last five years as meaningfully different from the prior 25, with venture becoming more driven by scale, process, and pattern-matching. He positions Index as leaning into “taste” and deep listening rather than running entrepreneurs through filters.

Early-stage investing is mostly a people bet—sometimes before plans or metrics exist.

Using Wiz as an example, he says Index invested before there was a business plan, market, model, or metrics—because the decision was based on conviction in the people. He argues the early-stage craft is listening for who founders are, not checking pre-defined traits.

In fast-moving AI markets, adaptability—and founder “duality”—is what stays durable.

He says durability is harder to judge when model capabilities change from yearly to every few months, so “what was retentive yesterday may not be retentive tomorrow.” What remains is backing founders who adapt fast, including those who can comfortably hold “duality” (imagination plus operational detail).

Index worries less about valuation and more about belief—“being cute on price” is a costly omission.

He argues private markets will see more capital chasing a finite set of big outcomes, so prices will be high and likely go higher. Index’s mistake, he says, has been “being cute on price,” which reduced exposure to the best outcomes; within ~25% on price, he believes you should generally proceed if conviction is high.

Winning deals is about conviction and founder-connection more than marketing or price tactics.

He frames the hardest part of winning deals as finding belief and connection with the entrepreneur, not negotiating price. He also emphasizes Index’s equal-partnership culture with low internal credit-seeking, aiming to match founders with the partner who connects most strongly.

WORDS WORTH SAVING

5 quotes

The industry of venture is industrializing, and it's something very different over the last five years than the prior 25.

— Shardul Shah

We try to really listen to entrepreneurs to, to find belief in them versus looking for phenotypes or specific attributes that we check a, a list of.

— Shardul Shah

I look for people who can hold duality with comfort.

— Shardul Shah

It's perfectly rational to have irrational behavior in markets, in, in highly competitive markets. So prices are high, fact. Prices will get higher. That's a fact.

— Shardul Shah

One of our sins of omission is being cute on price.

— Shardul Shah

Venture “industrialization” vs taste-driven investingFounder-first underwriting and deep listeningAI-era durability and rapid model changeAdaptability and “duality” in entrepreneursValuations, price discipline, and sins of omissionDeal-winning through conviction and connectionInvestment committee structure, speed, and mentorship

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