TL;DR
Damir Becirovic, a 10-year veteran of Index Ventures who was promoted to Partner in 2020 and helped lead bets on Discord, Patreon, Outschool, and Rec Room, has closed an $80M debut seed fund called Relentless. The vehicle is positioned as concentrated, founder-aligned seed capital for "founders doing their life's work," signaling another senior Index alum departing to set up their own shop while big firms scale into multi-billion mega-funds.
Key Takeaways
Another tier-one partner walks the founder-empathy plank. Becirovic's exit follows a broader pattern of senior partners at top-tier firms (Index, Benchmark, Sequoia alumni) leaving to launch focused, high-conviction seed vehicles. The marginal seed dollar is increasingly being raised by individuals with brand equity, not just institutions.
$80M is the new sweet spot for solo-GP-style seed. Big enough to lead $3M-$5M rounds with reserves, small enough to return on a single $1B-plus outcome. It mirrors the size discipline Boldstart, Long Journey Ventures, and other elite seed funds use, and stands in stark contrast to Founders Fund's $6B Growth IV closed this same week.
Index loses one of its consumer/marketplace minds. Becirovic was Index's go-to thesis owner for marketplaces and real-world services, including operationally-complex categories like salons, mobility and appointment-based local businesses. Discord and Patreon sit in his attribution. That's a meaningful brain-drain for Index's NYC bench.
The bull case: brand + concentrated checks beat platform. Founders pitching seed in 2026 increasingly reject committee-style firms in favor of partners who write the check, take the board seat, and never get reassigned. Relentless is built for that buyer.
Fund Overview
Fund Name: Relentless Fund I
Fund Size: ~$80 million
Stage: Seed
Check Size: Estimated $2M-$5M lead checks with reserves for follow-on
Geography: US-focused, NYC and SF dual presence
Focus: Mission-driven founders building category-defining companies; historically strong in marketplaces, consumer, and software for offline industries
Key LPs: Not publicly disclosed; SEC Form D filing on record
Why This Fund Matters
The seed market in 2026 is bifurcating. On one end, mega-funds like a16z, Sequoia, and Founders Fund are deploying multi-billion-dollar growth vehicles where seed is an afterthought option-value bet. On the other end, single-thesis seed funds in the $40M-$120M range are charging premium ownership terms and taking the lead position on the best deals before the multi-stage firms can sharpen their pencils.
Relentless slots into that second camp with a meaningful weapon: Becirovic's roughly decade of pattern recognition from Index's NYC office, where he sat directly inside one of the most successful consumer franchises of the 2010s and 2020s. Index portfolio companies under his attribution — Discord, Patreon, Outschool, Rec Room — span a thesis around community, creator economy, and software-enabled services. That's a coherent worldview, and one that's still under-funded relative to AI infrastructure and defense.
The deeper question is whether $80M is enough firepower in an environment where the median seed round in NYC and SF has crept past $4M pre-money. The answer is yes, if Relentless plays as a high-conviction lead with 8-12 portfolio companies per fund and aggressive reserves, and no, if it tries to spray-and-pray. Becirovic's CV — Apax, Morgan Stanley, Wharton MBA — suggests he's a portfolio constructor, not a volume player.
It also matters because Index has had a quiet but real partner departure problem over the past 36 months, with several senior names spinning out. The franchise still has Mike Volpi, Danny Rimer and others, but the seed-stage bench is thinning at exactly the moment the firm needs senior partners to lead its next consumer wave.
The Team
Damir Becirovic spent 10 years at Index Ventures, joining in 2014 and being promoted to Partner in November 2020. He was based in Index's New York office and led or participated in investments including Discord, Patreon, Outschool, Rec Room, and other consumer and marketplace companies. Before Index, he was an investor at Accel and earlier worked at private equity firm Apax Partners and in investment banking at Morgan Stanley. He holds an MBA from The Wharton School at the University of Pennsylvania and a BSc in Economics from the London School of Economics.
Co-founder Dino Becirovic is named in early Relentless materials and SEC filings. The firm operates from New York with West Coast presence, mirroring the increasingly common bicoastal seed model.
What This Means for Founders
If you're raising a seed round and your company falls in the consumer, marketplace, creator economy, or software-for-services bucket, Relentless should be on your shortlist. Becirovic is the rare partner who sat inside both Discord (community-driven product) and Patreon (creator monetization) — and that institutional memory is hard to replicate at a multi-stage firm or a generalist seed fund.
What you'd be giving up by going to Relentless instead of Index, Sequoia, or a16z is platform: scaled recruiting teams, in-house comms, GTM partnerships. What you'd gain is a partner who's not splitting attention across 12 boards and an LP base that didn't pay for "support staff" hours. For founders who've heard the platform pitch and decided they don't need it, this is the inversion.
Fund Momentum Take
The Becirovic spinout is a leading indicator, not a trailing one. The pattern of senior partners leaving tier-one firms to start concentrated seed vehicles has been building for years, and it's now reaching critical mass — Pax Ventures (ex-a16z Michelle Volz), Operator Circle, Zero Shot Fund (ex-OpenAI), Hyperion, Boldstart's continued growth, and now Relentless. The thesis behind the spinouts is consistent: seed-stage carry economics at a $50M-$100M fund are dramatically better for the partner than at a $4B platform fund, and founders are increasingly willing to pay premium ownership for partner attention.
The risk for Becirovic is that Index will not stay quiet. Tier-one firms have been more aggressive in protecting attribution and LP relationships when partners spin out, and the LP universe willing to back yet another debut seed fund — even from a brand-name partner — is finite. Mighty Capital, Lucid Capital, Yonder, and a dozen others are all chasing the same family-office and fund-of-funds dollars.
Our bet: Relentless raises Fund II at $150M+ within three years, on the strength of a single mark-up in the existing portfolio, and Becirovic ends up as a primary node in NYC's seed graph alongside Boldstart's Ed Sim and Lerer Hippeau. The Index alum playbook works.
Frequently Asked Questions
What is Relentless and who is behind it?
Relentless is a New York-headquartered seed-stage venture capital firm founded by Damir Becirovic, a former 10-year veteran and Partner at Index Ventures. His brother Dino Becirovic is named as co-founder.
How big is the fund?
Approximately $80 million for the debut Fund I, according to Venture Capital Journal reporting and SEC Form D filings.
What stage and check size does Relentless write?
The fund is positioned as a seed-stage lead investor. Specific check sizes have not been publicly disclosed, but a $80M fund typically supports lead checks in the $2M-$5M range with reserves for follow-on.
What sectors will Relentless focus on?
While Relentless markets itself as thesis-flexible ("founders doing their life's work"), Becirovic's track record at Index skews heavily toward consumer, community, marketplaces, creator economy, and software for traditionally offline industries.
Why did Becirovic leave Index Ventures?
He has not publicly elaborated, but the move follows an established industry pattern of senior partners at tier-one multi-stage firms launching their own focused seed vehicles to capture better partner economics and run a less-diluted thesis.
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