RBLX — ROBLOX CORP
As of Q2 2026, 43 SEC-registered investment managers reported holding RBLX (ROBLOX CORP) in their latest 13F filings, with a combined reported value of $17.45B across 337.22M shares. That is +13.8% by share count (+40.79M shares) versus the previous quarter, while reported value moved +11.4%. Ownership is concentrated: the five largest holders account for 57.2% of reported value and the top ten for 74.7%.
Compared with the prior quarter, 1 opened new positions, 21 added to existing stakes, 19 trimmed, 5 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
RBLX is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Vanguard Group history | Q4 2025 | 63.46M | $5.14B | 0.07% | Add |
| Fidelity Management & Research (FMR) history | Q2 2026 | 79.72M | $4.34B | 0.21% | Add |
| BlackRock Inc history | Q2 2026 | 38.33M | $2.08B | 0.03% | Reduce |
| Capital World Investors history | Q2 2026 | 22.71M | $1.23B | 0.15% | Add |
| Morgan Stanley history | Q2 2026 | 21.74M | $1.18B | 0.07% | Reduce |
| Baillie Gifford & Co history | Q2 2026 | 21.12M | $1.15B | 1.04% | Reduce |
| AQR Capital Management history | Q2 2026 | 13.52M | $735.37M | 0.26% | Add |
| Two Sigma Investments history | Q2 2026 | 13.47M | $732.45M | 0.57% | Add |
| Arrowstreet Capital history | Q3 2025 | 4.88M | $675.78M | 0.43% | Reduce |
| Geode Capital Management history | Q2 2026 | 12.34M | $669.36M | 0.04% | Add |
| Fidelity International (FIL) history | Q2 2026 | 9.04M | $491.75M | 0.35% | Add |
| Temasek Holdings history | Q2 2026 | 7.78M | $422.95M | 1.19% | Hold |
| Goldman Sachs Group history | Q2 2026 | 7.76M | $422.08M | 0.04% | Add |
| Amundi US history | Q2 2026 | 7.08M | $384.92M | 0.10% | Add |
| Renaissance Technologies history | Q2 2026 | 6.81M | $370.55M | 0.51% | Reduce |
| ARK Invest history | Q2 2026 | 6.47M | $351.62M | 2.28% | Add |
| Citadel Advisors history | Q2 2026 | 6.42M | $348.87M | 0.04% | Add |
| Norges Bank Investment Management history | Q2 2026 | 5.12M | $278.33M | 0.03% | Reduce |
| UBS Group AG history | Q2 2026 | 4.99M | $271.51M | 0.04% | Add |
| D. E. Shaw & Co history | Q2 2026 | 4.95M | $269.05M | 0.14% | Reduce |
New Positions (Q2 2026)
- JPMorgan Chase & Co 72.30K sh · $3.93M
Fully Exited (vs previous quarter)
- Whale Rock Capital Management sold 3.53M sh · $199.78M
- Janus Henderson Group sold 54.83K sh · $3.10M
- Davidson Kempner Capital Management sold 48.53K sh · $2.75M
- Principal Global Investors sold 27.78K sh · $1.57M
- Maverick Capital sold 12.51K sh · $707.40K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fidelity Management & Research (FMR) | 13.52M | 26.11M | 6.69M | 2.38M | 6.59M | 14.89M | 16.07M | 16.37M | 7.38M | 7.03M | 17.03M | 16.83M | 20.94M | 39.66M | 43.86M | 49.51M | 46.52M | 46.43M | 46.62M | 79.72M |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 28.44M | 29.52M | 29.72M | 34.61M | 39.38M | 41.53M | 39.08M | 38.33M |
| Capital World Investors | — | — | 2.17M | 2.17M | 2.17M | 624.80K | 624.80K | — | — | — | — | 15.25K | 9.95K | 6.96K | 9.55M | 14.11M | 12.99M | 12.14M | 22.47M | 22.71M |
| Morgan Stanley | 38.59M | 40.56M | 39.82M | 41.65M | 40.05M | 38.53M | 36.74M | 36.09M | 41.01M | 35.61M | 31.70M | 29.99M | 25.70M | 25.74M | 21.49M | 18.13M | 19.17M | 20.73M | 23.07M | 21.74M |
| Baillie Gifford & Co | — | — | 7.84M | 14.78M | 20.91M | 29.44M | 29.00M | 28.55M | 28.15M | 27.74M | 28.61M | 29.14M | 28.78M | 28.03M | 27.48M | 26.38M | 23.30M | 21.54M | 21.42M | 21.12M |
| AQR Capital Management | — | — | — | — | — | — | — | 19.80K | 7.81K | — | 165.05K | 217.59K | 2.78M | 2.76M | 8.77M | 9.03M | 9.70M | 10.31M | 8.28M | 13.52M |
| Two Sigma Investments | — | 22.90K | 232.84K | — | 2.55M | 171.60K | 4.58M | 5.04M | 1.31M | 3.81M | 2.43M | 2.44M | 3.59M | 4.51M | 4.00M | 2.48M | 1.70M | 3.01M | 12.15M | 13.47M |
| Geode Capital Management | — | — | — | 1.48M | 4.57M | 4.80M | 4.97M | 5.44M | 6.59M | 7.04M | 7.40M | 7.92M | 8.33M | 8.58M | 9.21M | 10.04M | 11.67M | 12.22M | 12.27M | 12.34M |
| Fidelity International (FIL) | 5.44K | — | — | — | — | 3.21M | — | — | — | — | — | — | — | — | — | 214.72K | 151.96K | 118.85K | 5.67M | 9.04M |
| Temasek Holdings | 12.79M | 12.76M | 13.04M | 13.53M | 11.36M | 11.36M | 11.36M | 11.36M | 13.25M | 13.29M | 13.71M | 14.02M | 13.77M | 12.59M | 11.55M | 10.70M | 7.78M | 7.78M | 7.78M | 7.78M |
| Goldman Sachs Group | 933.25K | 1.31M | 1.70M | 1.68M | 1.96M | 2.99M | 2.39M | 3.74M | 4.03M | 3.44M | 1.99M | 4.58M | 7.26M | 4.68M | 6.52M | 7.47M | 7.10M | 7.52M | 7.49M | 7.76M |
| Amundi US | 26.83K | 30.58K | 81.16K | 214.19K | 229.50K | 292.33K | 296.56K | 910.88K | 720.67K | 1.64M | 1.19M | 571.91K | 1.51M | 3.19M | 4.96M | 2.64M | 1.90M | 3.14M | 5.77M | 7.08M |
| Renaissance Technologies | 4.10K | 5.40M | 4.44M | 11.58M | 10.62M | 10.15M | 8.78M | 7.13M | 5.36M | 5.11M | 4.70M | 4.30M | 6.09M | 7.57M | 6.09M | 6.10M | 6.88M | 6.63M | 7.13M | 6.81M |
| ARK Invest | 1.30M | 2.02M | 6.09M | 7.41M | 8.47M | 8.46M | 9.03M | 9.32M | 11.97M | 11.91M | 11.82M | 13.34M | 11.84M | 10.14M | 9.07M | 6.77M | 5.31M | 4.83M | 5.90M | 6.47M |
| Citadel Advisors | 5.36M | 5.26M | 7.09M | 12.30M | 10.48M | 11.72M | 12.57M | 8.35M | 10.71M | 16.42M | 11.41M | 9.09M | 9.60M | 6.98M | 6.03M | 6.18M | 7.14M | 8.20M | 4.70M | 6.42M |
| Norges Bank Investment Management | — | — | — | — | — | 2.85M | — | — | — | 4.73M | — | 4.56M | — | 2.89M | — | 3.33M | — | 5.37M | — | 5.12M |
| UBS Group AG | 258.68K | 215.54K | 1.69M | 1.50M | 1.32M | 1.21M | 1.71M | 1.78M | 3.81M | 3.85M | 5.05M | 5.19M | 5.54M | 3.93M | 3.44M | 6.19M | 3.20M | 4.16M | 2.74M | 4.99M |
| D. E. Shaw & Co | 87.52K | 2.48M | 1.70M | 1.91M | 5.47M | 6.49M | 3.61M | 2.07M | 1.94M | 3.05M | 2.06M | 1.73M | 3.05M | 3.70M | 3.23M | 6.09M | 6.61M | 7.54M | 5.95M | 4.95M |
| Northern Trust Corp | 138.08K | 88.81K | 100.18K | 1.52M | 2.32M | 2.36M | 2.40M | 2.48M | 2.68M | 2.67M | 2.56M | 2.77M | 2.69M | 3.10M | 3.16M | 3.25M | 3.63M | 2.62M | 3.72M | 3.81M |
| Bank of America Corp | 2.75M | 4.85M | 2.92M | 5.67M | 1.68M | 2.00M | 2.60M | 2.02M | 2.54M | 1.77M | 1.70M | 1.53M | 1.79M | 1.09M | 2.14M | 4.18M | 2.87M | 3.31M | 2.35M | 3.66M |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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