RBLX Roblox Corporation
Roblox Corporation (RBLX) Institutional Ownership
What the institutions did with RBLX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| FMR LLC | 79.7M | 13.9% |
| BlackRock, Inc. | 38.3M | 6.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31.6M | 5.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 29.2M | 5.1% |
| Capital World Investors | 22.7M | 4.0% |
| MORGAN STANLEY | 21.7M | 3.8% |
| BAILLIE GIFFORD & CO | 21.1M | 3.7% |
| IEQ CAPITAL, LLC | 16.6M | 2.9% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 16.4M | 2.9% |
| Capital International Investors | 16.1M | 2.8% |
| STATE STREET CORP | 14.9M | 2.6% |
| AQR CAPITAL MANAGEMENT LLC | 13.5M | 2.4% |
| TWO SIGMA INVESTMENTS, LP | 13.4M | 2.3% |
| SRS Investment Management, LLC | 13.1M | 2.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 12.3M | 2.2% |
| Linonia Partnership LP | 12.1M | 2.1% |
| FIL Ltd | 9.0M | 1.6% |
| Temasek Holdings (Private) Ltd | 7.8M | 1.4% |
| GOLDMAN SACHS GROUP INC | 7.3M | 1.3% |
| Amundi | 7.1M | 1.2% |
| RENAISSANCE TECHNOLOGIES LLC | 6.8M | 1.2% |
| ARK Investment Management LLC | 6.5M | 1.1% |
| NORGES BANK | 5.1M | 0.9% |
| JPMORGAN CHASE & CO | 4.7M | 0.8% |
| Sumitomo Mitsui Trust Group, Inc. | 4.6M | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| FMR LLC | Increased | 46.6M | 79.7M | +33.1M |
| Capital International Investors | Reduced | 29.2M | 16.1M | -13.1M |
| Linonia Partnership LP | New | 0 | 12.1M | +12.1M |
| SRS Investment Management, LLC | Increased | 6.6M | 13.1M | +6.5M |
| Artisan Partners Limited Partnership | Sold Out | 5.8M | 0 | -5.8M |
| AQR CAPITAL MANAGEMENT LLC | Increased | 8.3M | 13.5M | +5.2M |
| Whale Rock Capital Management LLC | Sold Out | 3.5M | 0 | -3.5M |
| FIL Ltd | Increased | 5.7M | 9.0M | +3.4M |
| Assenagon Asset Management S.A. | Increased | 1.0M | 3.8M | +2.8M |
| Slate Path Capital LP | New | 0 | 2.7M | +2.7M |
| SANDS CAPITAL MANAGEMENT, LLC | Sold Out | 2.7M | 0 | -2.7M |
| ValueAct Holdings, L.P. | Reduced | 5.8M | 3.1M | -2.7M |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 19.1M | 16.4M | -2.7M |
| UBS Group AG | Increased | 1.9M | 4.5M | +2.7M |
| Qube Research & Technologies Ltd | Sold Out | 2.3M | 0 | -2.3M |
| Foxhaven Asset Management, LP | Sold Out | 2.1M | 0 | -2.1M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | 5.3M | 3.2M | -2.1M |
| JPMORGAN CHASE & CO | Reduced | 6.7M | 4.7M | -2.1M |
| FRANKLIN RESOURCES INC | Reduced | 3.4M | 1.7M | -1.7M |
| SOMA EQUITY PARTNERS LP | Sold Out | 1.6M | 0 | -1.6M |
| CITADEL ADVISORS LLC | Increased | 503.7K | 2.1M | +1.6M |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | 1.6M | 63.1K | -1.5M |
| TWO SIGMA INVESTMENTS, LP | Increased | 12.0M | 13.4M | +1.4M |
| Atreides Management, LP | Sold Out | 1.4M | 0 | -1.4M |
| MORGAN STANLEY | Reduced | 23.1M | 21.7M | -1.3M |
| BANK OF AMERICA CORP /DE/ | Increased | 2.4M | 3.7M | +1.3M |
| Amundi | Increased | 5.8M | 7.1M | +1.3M |
| GOLDMAN SACHS GROUP INC | Increased | 6.1M | 7.3M | +1.2M |
| WORLDQUANT MILLENNIUM ADVISORS LLC | Increased | 2.3M | 3.4M | +1.1M |
| Robeco Institutional Asset Management B.V. | Reduced | 1.7M | 654.1K | -1.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 30.6M | 31.6M | +1.0M |
| WESTFIELD CAPITAL MANAGEMENT CO LP | New | 0 | 985.8K | +985.8K |
| RAYMOND JAMES FINANCIAL INC | Reduced | 1.9M | 967.2K | -961.2K |
| Allspring Global Investments Holdings, LLC | Reduced | 921.4K | 16.0K | -905.4K |
| GILDER GAGNON HOWE & CO LLC | Reduced | 1.7M | 841.8K | -838.8K |
| SEI INVESTMENTS CO | Reduced | 1.1M | 257.1K | -823.2K |
| ROYAL BANK OF CANADA | Reduced | 1.7M | 856.6K | -823.1K |
| JANE STREET GROUP, LLC | Reduced | 1.1M | 285.4K | -800.8K |
| Spyglass Capital Management LLC | Sold Out | 780.0K | 0 | -780.0K |
| Clearbridge Investments, LLC | Reduced | 2.2M | 1.4M | -768.7K |
| HMI Capital Management, L.P. | Sold Out | 767.3K | 0 | -767.3K |
| BlackRock, Inc. | Reduced | 39.1M | 38.3M | -752.2K |
| Tidal Investments LLC | Reduced | 749.3K | 12.5K | -736.8K |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 2.3M | 1.6M | -706.5K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Increased | 2.9M | 3.5M | +670.6K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Increased | 1.2M | 1.9M | +666.7K |
| Durable Capital Partners LP | Sold Out | 646.4K | 0 | -646.4K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 28.6M | 29.2M | +643.4K |
| STATE STREET CORP | Increased | 14.2M | 14.9M | +617.2K |
| Contour Asset Management LLC | Increased | 2.5M | 3.1M | +605.0K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 720.6K | 1.3M | +588.6K |
| D. E. Shaw & Co., Inc. | Reduced | 4.5M | 3.9M | -577.4K |
| ARK Investment Management LLC | Increased | 5.9M | 6.5M | +569.8K |
| Nuveen, LLC | Reduced | 2.1M | 1.5M | -543.1K |
| MARSHALL WACE, LLP | Reduced | 2.2M | 1.7M | -490.0K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 1.6M | 1.1M | -481.7K |
| Trexquant Investment LP | Sold Out | 475.1K | 0 | -475.1K |
| Y-Intercept (Hong Kong) Ltd | Sold Out | 472.1K | 0 | -472.1K |
| Islander Capital Partners, L.P. | Sold Out | 458.0K | 0 | -458.0K |
| VAN ECK ASSOCIATES CORP | Increased | 679.7K | 1.1M | +446.3K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.