Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in RBLX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 46.6M | $2.64B | +0.4% | 6.513% | 0.14% |
| 2 | BlackRock, Inc. | 39.1M | $2.21B | -5.9% | 5.460% | 0.04% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 30.6M | $1.73B | β | 4.275% | 0.09% |
| 4 | Capital International Investors | 29.2M | $1.65B | -8.7% | 4.076% | 0.39% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 28.6M | $1.61B | β | 3.989% | 0.04% |
| 6 | MORGAN STANLEY | 23.1M | $1.31B | +11.3% | 3.223% | 0.08% |
| 7 | Capital World Investors | 22.5M | $1.27B | +85.2% | 3.140% | 0.17% |
| 8 | BAILLIE GIFFORD & CO | 21.4M | $1.21B | -0.6% | 2.993% | 1.24% |
| 9 | IEQ CAPITAL, LLC | 16.5M | $935.0M | -4.2% | 2.309% | 4.34% |
| 10 | STATE STREET CORP | 14.2M | $805.2M | +3.1% | 1.989% | 0.03% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 12.3M | $692.1M | +0.4% | 1.714% | 0.04% |
| 12 | TWO SIGMA INVESTMENTS, LP | 12.2M | $687.3M | +304.1% | 1.698% | 0.56% |
| 13 | AQR CAPITAL MANAGEMENT LLC | 8.3M | $449.9M | -19.7% | 1.157% | 0.21% |
| 14 | Temasek Holdings (Private) Ltd | 7.8M | $439.9M | 0.0% | 1.087% | 1.44% |
| 15 | GOLDMAN SACHS GROUP INC | 7.5M | $423.6M | -0.4% | 1.046% | 0.05% |
| 16 | RENAISSANCE TECHNOLOGIES LLC | 7.1M | $403.1M | +7.5% | 0.996% | 0.63% |
| 17 | SRS Investment Management, LLC | 6.6M | $373.4M | +124.7% | 0.922% | 3.94% |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 6.2M | $352.0M | -27.5% | 0.869% | 0.04% |
| 19 | D. E. Shaw & Co., Inc. | 5.9M | $336.4M | -21.1% | 0.831% | 0.32% |
| 20 | ARK Investment Management LLC | 5.9M | $333.5M | +22.0% | 0.824% | 2.59% |
| 21 | ValueAct Holdings, L.P. | 5.8M | $330.8M | -2.1% | 0.817% | 5.79% |
| 22 | Artisan Partners Limited Partnership | 5.8M | $328.7M | +153.6% | 0.812% | 0.53% |
| 23 | Amundi | 5.8M | $326.6M | +83.7% | 0.807% | 0.09% |
| 24 | FIL Ltd | 5.7M | $320.4M | +4666.9% | 0.791% | 0.25% |
| 25 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 5.3M | $301.1M | -8.3% | 0.742% | 0.10% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in RBLX β a direct measure of their conviction.
Filings activity in RBLX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new RBLX position in Q1 2026
Institutions that fully closed their RBLX position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 819 | 12% | 95.53% | 47.98 pp | $29.62B | 33% |
| Q4 2025 | 926 | 6.6% | 143.51% | 56.48 pp | $44.49B | 40% |
| Q3 2025 | 991 | +12% | 199.99% | +21.19 pp | $74.23B | +34% |
| Q2 2025 | 884 | +17% | 178.80% | +88.31 pp | $55.43B | +98% |
| Q1 2025 | 756 | +6.8% | 90.49% | 1.51 pp | $28.05B | 1.6% |
| Q4 2024 | 708 | +9.4% | 92.00% | +27.39 pp | $28.52B | +42% |
| Q3 2024 | 647 | +5.5% | 64.61% | 5.73 pp | $20.03B | 8.1% |
| Q2 2024 | 613 | β | 70.34% | β | $21.81B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RBLX stock.
Based on Q1 2026 13F filings, institutional ownership of Roblox Corporation stands at 95.5%, held across 819 reporting institutions.
FMR LLC is the largest reported institutional holder of RBLX, with approximately 46,619,099 shares worth $2.64B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of RBLX, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, ARK Investment Management LLC.
Our composite Smart Money Score for RBLX is 35 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
127 institutions opened new positions in RBLX during Q1 2026, while 234 fully exited. 110 added to existing positions and 579 trimmed.
RBLX institutional ownership fell by 47.98 percentage points quarter-over-quarter, with a net change of -107 holders.
The top 10 institutions account for 51.9% of all reported 13F value in RBLX, and the top 25 account for 72.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.