Reddit, Inc.

Reddit operates one of the world's largest online communities — a network of interest-based forums ("subreddits") where users post, vote, and comment on virtually every topic imaginable. The platform sells advertising (contextual and interest-based) to brands who want to reach these highly engaged, topic-sorted audiences. A small but growing second revenue stream comes from licensing Reddit's massive archive of human conversation to AI companies for training large language models.

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Revenue hit $2.20 billion in 2025, up 69% from $1.30 billion in 2024. That's not modest growth — that's a company accelerating hard. Advertising drove almost all of it, growing 74% to $2.1 billion. Gross margin improved slightly to 91.2% from 90.5%, which is exceptional and reflects the low marginal cost of delivering digital ads.

The profitability story is dramatic. Reddit swung from a $484 million net loss in 2024 to a $529.7 million net profit in 2025 — a nearly $1 billion turnaround in one year. Operating income came in at $442 million. Adjusted EBITDA reached $845 million, up 184% year-over-year. Operating cash flow was $690.9 million, and free cash flow was $684.2 million (CapEx is just $6.7 million — essentially nothing for a company this size).

The balance sheet is fortress-strong. Cash and equivalents plus marketable securities total roughly $2.5 billion against essentially zero debt — the $500 million revolving credit facility is almost entirely undrawn ($494.7 million available). Total shareholders' equity is $2.93 billion.

Capital return: Reddit authorized a $1 billion share buyback program in February 2026 — after the fiscal year ended, so no shares were repurchased in 2025. No dividends were paid or planned. Stock-based compensation was $343.2 million in 2025, down sharply from $801.6 million in 2024 (that spike was a one-time catch-up from IPO-related RSU vesting). SBC is now 15.6% of revenue, still meaningful but heading in the right direction.

R&D expense was $783.1 million — high in dollar terms, but also inflated by stock-based comp embedded in that figure and down 16% year-over-year after the IPO spike.

Business segments: Reddit operates as a single segment. All revenue flows through one platform, with advertising representing 95%+ of the total and content licensing making up the small but strategically important remainder.

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Better — clearly and on multiple fronts simultaneously.

Revenue growth accelerated to 69% in 2025. The company went from losing nearly half a billion dollars to generating over half a billion in profit. Free cash flow tripled. Gross margins ticked up. SBC as a percentage of revenue collapsed from 62% to 16%. The path to profitability didn't just get shorter — Reddit arrived.

User growth is real too. Daily active uniques hit 121.4 million in Q4 2025, up 19% year-over-year, with international users (57% of total) growing at 28% versus 9% domestically. ARPU grew 42% globally and 53% in the US in Q4, driven by more ad impressions and better pricing. That combination — more users and more revenue per user — is the ideal growth equation.

The remaining challenges are genuine but manageable. International ARPU lags US ARPU substantially ($10.79 US vs. much lower globally), meaning international monetization is still in early innings. Content licensing is promising but concentrated in two partners and legally murky. And management explicitly said to expect "increased losses and margin decline" as they invest — though their actual 2025 results suggest their investment has been generating real returns, not just costs.

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Reddit doesn't report SaaS-style KPIs, but here are the metrics that actually matter for an ad-supported social platform:

• Daily Active Uniques (DAUq): 121.4 million in Q4 2025, +19% YoY. US grew 9%; international grew 28%
• Weekly Active Uniques (WAUq): 471.6 million in Q4 2025 — massive top-of-funnel showing there's a large audience not yet converted to daily use
• Global ARPU (Q4 2025): $5.98, up 42% YoY from $4.21. US ARPU: $10.79, up 53% YoY
• Gross margin: 91.2% — best-in-class for digital advertising; comparable to Meta and Google at scale
• Rule of 40 score: Revenue growth of 69% + Adjusted EBITDA margin of ~38% = roughly 107. Exceptional by any measure
• Content search reach: 80+ million weekly search users in Q4 2025, underscoring Reddit's role as a destination for authentic human information — a key differentiator in the AI era
• Free cash flow conversion: $684 million FCF on $845 million Adjusted EBITDA — roughly 81% conversion, meaning earnings are real, not accounting artifacts

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CEO Steve Huffman is Reddit's co-founder and controls approximately 75% of voting power through a voting agreement with major shareholders Advance Magazine Publishers (Condé Nast's parent, ~22% of shares outstanding) and Tencent/Jojoba Investment. This is a founder-controlled company in practice, regardless of public ownership. Advance holds board seat designation rights and veto power over major transactions including CEO removal and board expansion — unusual governance that investors should understand clearly.

Insider ownership in the traditional sense (executives buying shares on the open market) isn't highlighted, but the multi-class structure means Huffman's influence is essentially permanent until Advance drops below 5% ownership. This is a feature for investors who trust the founder and a risk for those who don't.

No CEO or CFO changes are noted in the filing. Leadership appears stable. The company is 2,555 employees as of December 31, 2025, up from 2,233 — modest, controlled headcount growth.

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• International monetization is the big unlock. International users are 57% of DAUq but generate a fraction of US ARPU. Machine translation is live in 35 languages. Closing even part of that ARPU gap would add enormous revenue without needing significant new user growth
• AI and content licensing as a new revenue layer. Reddit's 20+ years of human conversation — 2 billion posts, 22 billion comments — is uniquely valuable training data. They're early in monetizing it, currently dependent on two partners, but this could become a meaningful second revenue stream
• Converting passive browsers to daily users. With 471 million weekly users but only 121 million daily users, there's a massive untapped engagement opportunity. Converting even a fraction of that gap materially moves the DAUq and ARPU numbers
• Expanding advertiser diversity beyond tech and finance. Reddit has historically over-indexed to endemic tech and finance advertisers. Broadening into automotive, CPG, pharma, retail, and food & beverage diversifies revenue and reduces cyclicality

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• Voting control concentration: CEO Huffman controls ~75% of votes. Advance Magazine Publishers has veto rights over major decisions. Public shareholders have limited ability to influence governance. This is structural, not temporary
• Content licensing dependency: Substantially all content licensing revenue comes from two unnamed partners. These contracts may not renew on favorable terms. The legal framework around AI training data licensing is actively contested, and some companies are using Reddit content without paying
• Securities class action lawsuit: Filed June 2025 related to disclosures about Google Search and AI Overviews impact. Outcome is uncertain; no loss has been accrued. Worth monitoring
• Stock-based compensation: $343.2 million in 2025 is 15.6% of revenue — down dramatically from 2024 but still substantial. 62.4 million shares are reserved for future equity awards. Dilution is ongoing
• Search engine dependency: A meaningful chunk of Reddit's traffic comes from appearing in Google search results. Algorithm changes — including Google's own AI Overviews potentially replacing Reddit links — are a real risk to user growth. A lawsuit exists on this specific disclosure point
• Full valuation allowance on deferred tax assets: $779 million allowance against $2.5 billion+ in NOLs means Reddit hasn't yet recognized these tax assets on its books. The good news: management says there's a "reasonable possibility" of releasing a significant portion within 18 months, which would generate a large one-time income tax benefit

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Reddit is a genuine inflection story: a 20-year-old platform that went public in 2024 and promptly delivered 69% revenue growth and a $1 billion profit swing in its first full year as a public company. The core ad business is working, margins are elite, the balance sheet is clean, and the international monetization opportunity is early and large. The things to watch are the governance structure (founder control is real), the fragility of content licensing (two partners, evolving legal landscape), and whether management can keep growth compounding without losing discipline — they've already guided for higher investment spending ahead. For this to be a great investment, you need to believe that international ARPU can converge toward US levels over time and that Reddit's unique human-generated content becomes increasingly valuable in a world flooded with AI-generated noise.