RBLX Roblox Corp: institutional ownership and insider trading
850 funds reported holding $38.0B of Roblox Corp in their latest 13F filings; in Q2 2026 funds net bought $1.34B, with 105 new positions and 151 funds selling out; over the last 12 months insiders bought $0 and sold $106M on the open market.
Famous investors holding RBLX
- Mason Morfit (ValueAct Capital): $171M, 3.0% of the portfolio
- Cathie Wood (ARK Investment Management): $352M, 2.3% of the portfolio
- Two Sigma (Two Sigma Investments): $732M, 0.5% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $371M, 0.5% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $269M, 0.1% of the portfolio
- Ken Griffin (Citadel Advisors): $349M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $113M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $697K, 0.0% of the portfolio
Largest institutional holders of RBLX
- VANGUARD GROUP INC — $5.14B
- FMR LLC — $4.34B
- BlackRock, Inc. (BLK) — $2.08B
- VANGUARD PORTFOLIO MANAGEMENT LLC — $1.72B
- VANGUARD CAPITAL MANAGEMENT LLC — $1.59B
- Capital World Investors — $1.23B
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $1.18B
- BAILLIE GIFFORD & CO — $1.15B
- IEQ CAPITAL, LLC — $901M
- PRICE T ROWE ASSOCIATES INC /MD/ — $893M
Recent RBLX insider trades
- Oct 5, 2026: Reinstra Mark sold 5,666 shares ($250K)
- Oct 1, 2026: Baszucki Gregory sold 16,666 shares ($714K)
- Sep 8, 2026: Reinstra Mark sold 5,773 shares ($259K)
- Sep 1, 2026: Baszucki Gregory sold 16,666 shares ($674K)
Members of Congress trading RBLX
- Dec 24, 2025: Gilbert Ray Cisneros, Jr. sold $1.00K–$15.0K
- Nov 18, 2025: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Nov 7, 2025: Gilbert Ray Cisneros, Jr. bought $1.00K–$15.0K
- Oct 22, 2025: Julia Letlow sold $1.00K–$15.0K
- Oct 16, 2025: Julia Letlow bought $1.00K–$15.0K
- Sep 23, 2025: Val T. Hoyle sold $1.00K–$15.0K
5%+ owners
- FMR LLC: 11.9% (Schedule 13G/A, filed Jul 8, 2026)
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 30, 2026)