Roblox Corp -Class A
Held by 4 superinvestors (RBLX).
Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.
Roblox Corp -Class A (RBLX) is held by 4 of the superinvestors tracked on Compounder, with a combined $368.8M in reported 13F value. The largest position belongs to Mason Morfit, where it makes up 5.8% of the portfolio.
Other notable holders by value include Henry Ellenbogen (0.4% of its book), Ray Dalio (0.0% of its book) and Lee Ainslie (0.0% of its book).
Over the latest quarter, 0 of the tracked filers opened a new position in RBLX, 0 added to existing ones, 4 trimmed, and 0 sold out entirely.
Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.
Superinvestors holding this security over the last 8 quarters: 1 → 4.
Early quarters may understate holder counts due to data backfill — read the slope with care.
- Value$330.8MWeight (prev→now)6.9% → 5.8% ▼
- Value$36.6MWeight (prev→now)0.9% → 0.4% ▼
- Value$724,873Weight (prev→now)0.0% → 0.0% ▼
- Value$707,396Weight (prev→now)0.5% → 0.0% ▼
Sources· SEC EDGAR 13F as of 2026-05-15
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