ROBLOX CORP RBLX
CL A · Common Stock · CUSIP 771049103 · ISIN US7710491033
American video game developer
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersSan Mateo, CA
- Founded2004
- Websitecorp.roblox.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($718.1m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $105.16. Options: 51 managers hold calls ($3.2bn notional), 53 hold puts ($1.9bn).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 597 |
| Q4 2022 | 564 |
| Q1 2023 | 621 |
| Q2 2023 | 613 |
| Q3 2023 | 546 |
| Q4 2023 | 665 |
| Q1 2024 | 638 |
| Q2 2024 | 641 |
| Q3 2024 | 676 |
| Q4 2024 | 731 |
| Q1 2025 | 780 |
| Q2 2025 | 908 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 238 | 286 |
| Q4 2023 | 312 | 219 |
| Q1 2024 | 303 | 288 |
| Q2 2024 | 300 | 269 |
| Q3 2024 | 310 | 262 |
| Q4 2024 | 317 | 321 |
| Q1 2025 | 403 | 315 |
| Q2 2025 | 550 | 304 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $1.0bn | $935.1m | 0.90 |
| Q4 2024 | $1.4bn | $944.5m | 0.68 |
| Q1 2025 | $1.0bn | $767.3m | 0.75 |
| Q2 2025 | $3.2bn | $1.9bn | 0.59 |
Biggest buyers
| Capital International Investors | Added | +26.5m |
| FMR LLC | Added | +5.7m |
| BlackRock, Inc. | Added | +4.9m |
| Capital World Investors | Added | +4.6m |
| D. E. Shaw & Co., Inc. | Added | +2.5m |
| ROYAL BANK OF CANADA | Added | +2.5m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +1.8m |
| FEDERATED HERMES, INC. | Added | +1.6m |
| JPMORGAN CHASE & CO | Added | +1.6m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Added | +1.5m |
Biggest sellers
| ALTOS VENTURES MANAGEMENT, INC. | Reduced | -5.0m |
| ValueAct Holdings, L.P. | Reduced | -4.0m |
| HMI Capital Management, L.P. | Reduced | -3.4m |
| MORGAN STANLEY | Reduced | -3.4m |
| Amundi | Reduced | -2.3m |
| ARK Investment Management LLC | Reduced | -2.3m |
| TWO SIGMA ADVISERS, LP | Reduced | -2.3m |
| Dragoneer Investment Group, LLC | Sold out | -1.8m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -1.7m |
| Squarepoint Ops LLC | Reduced | -1.6m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $741.9m7.1m shares |
| PEAK6 LLC | Added | $356.9m3.4m shares |
| CITADEL ADVISORS LLC | Added | $355.8m3.4m shares |
| JANE STREET GROUP, LLC | Reduced | $216.3m2.1m shares |
| IMC-Chicago, LLC | Added | $161.5m1.5m shares |
| UBS Group AG | Added | $141.7m1.3m shares |
| Walleye Trading LLC | Added | $134.2m1.3m shares |
| BARCLAYS PLC | Added | $118.5m1.1m shares |
| SIMPLEX TRADING, LLC | Added | $100.6m956.5k shares |
| BANK OF AMERICA CORP /DE/ | Added | $98.0m931.2k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $251.4m2.4m shares |
| GOLDMAN SACHS GROUP INC | Added | $250.8m2.4m shares |
| UBS Group AG | Added | $224.8m2.1m shares |
| PEAK6 LLC | Added | $200.2m1.9m shares |
| CITADEL ADVISORS LLC | Added | $138.7m1.3m shares |
| IMC-Chicago, LLC | Added | $106.3m1.0m shares |
| ADAPT Investment Managers SA | New | $84.2m800.0k shares |
| Walleye Trading LLC | Added | $82.8m786.8k shares |
| SIMPLEX TRADING, LLC | Added | $81.2m771.6k shares |
| JANE STREET GROUP, LLC | Reduced | $62.9m598.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution +4.0 pts · filed 2026-07-08 | 11.9% |
| Baszucki David 13G · exempt (held before listing) filed 2025-08-12 | 7.0% |
| BlackRock, Inc. 13G · institution new · filed 2025-10-17 | 5.5% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 1 | $28 | 8 | $40.3m | $37.5m |
| Q4 2023 | 1 | $133 | 8 | $44.6m | $161.2k |
| Q1 2024 | 0 | — | 7 | $30.2m | $5.6m |
| Q2 2024 | 0 | — | 9 | $28.9m | $24.4m |
| Q3 2024 | 0 | — | 8 | $51.6m | $45.8m |
| Q4 2024 | 0 | — | 8 | $98.2m | $92.3m |
| Q1 2025 | 0 | — | 9 | $92.7m | $82.1m |
| Q2 2025 | 0 | — | 10 | $795.3m | $784.6m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-06-26 | Baszucki David President & CEO, director | Sold plan | $14.7m139.5k shares |
| 2025-06-26 | Baszucki David President & CEO, director | Sold plan | $2.9m27.9k shares |
| 2025-06-25 | Baszucki David President & CEO, director | Sold plan | $5.0m47.9k shares |
| 2025-06-25 | Baszucki David President & CEO, director | Sold plan | $1.0m9.6k shares |
| 2025-06-24 | Baszucki David President & CEO, director | Sold plan | $20.2m192.6k shares |
| 2025-06-24 | Baszucki David President & CEO, director · See Footnote | Sold plan | $4.0m38.5k shares |
| 2025-06-20 | Kaufman Matthew D Chief Safety Officer | Sold plan | $620.1k6.0k shares |
| 2025-06-17 | Baszucki David President & CEO, director | Sold plan | $45.8m455.0k shares |
| 2025-06-17 | Baszucki David President & CEO, director | Sold plan | $17.5m173.7k shares |
| 2025-06-16 | Baszucki David President & CEO, director | Sold plan | $23.4m232.5k shares |
| 2025-06-16 | Reinstra Mark Chief Legal Off. & Corp. Sec. | Sold plan | $15.0m150.0k shares |
| 2025-06-16 | Carvalho Christopher Director | Sold plan | $6.5m64.9k shares |
| 2025-06-16 | Baszucki David President & CEO, director · See Footnote | Sold plan | $4.7m46.5k shares |
| 2025-06-16 | Baszucki David President & CEO, director | Sold plan | $4.2m42.3k shares |
| 2025-06-16 | Bronstein Manuel Chief Product Officer | Sold plan | $284.4k2.8k shares |
| 2025-06-11 | Baszucki David President & CEO, director | Sold plan | $5.8m60.0k shares |
| 2025-06-11 | Baszucki David President & CEO, director | Sold plan | $2.2m22.9k shares |
| 2025-06-11 | Baszucki David President & CEO, director · See Footnote | Sold plan | —12.0k shares |
| 2025-06-06 | Baszucki David President & CEO, director | Sold plan | $60.3m627.5k shares |
| 2025-06-06 | Baszucki David President & CEO, director | Sold plan | $23.0m239.6k shares |
| 2025-06-05 | Baszucki David President & CEO, director | Sold plan | $63.4m687.5k shares |
| 2025-06-05 | Baszucki David President & CEO, director · See Footnote | Sold plan | $24.2m262.5k shares |
| 2025-06-05 | Guthrie Michael Chief Financial Officer | Sold plan | $4.6m50.0k shares |
| 2025-06-05 | Kaufman Matthew D Chief Safety Officer | Sold plan | $550.1k6.0k shares |
| 2025-06-03 | Bronstein Manuel Chief Product Officer | Sold plan | $2.4m26.8k shares |
| 2025-06-02 | Baszucki David President & CEO, director | Sold plan | $60.5m687.5k shares |
| 2025-06-02 | Baszucki David President & CEO, director | Sold plan | $23.1m262.5k shares |
| 2025-06-02 | Lee Anthony P Director · See footnote | Sold plan | $5.8m66.0k shares |
| 2025-06-02 | Bronstein Manuel Chief Product Officer | Sold plan | $2.2m24.3k shares |
| 2025-06-02 | Carvalho Christopher Director | Sold plan | $1.2m13.0k shares |
The latest 30 of 69 trades.
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.10% of their portfolio | 59.2m $6.2bn | Added +1.5m |
| FMR LLC 0.29% of their portfolio | 49.5m $5.2bn | Added +5.7m |
| BlackRock, Inc. 0.07% of their portfolio | 34.6m $3.6bn | Added +4.9m |
| Capital International Investors 0.55% of their portfolio | 30.4m $3.2bn | Added +26.5m |
| BAILLIE GIFFORD & CO 2.07% of their portfolio | 26.4m $2.8bn | Reduced -1.1m |
| IEQ CAPITAL, LLC 12.09% of their portfolio | 18.8m $2.0bn | Reduced -111.3k |
| MORGAN STANLEY 0.12% of their portfolio | 18.1m $1.9bn | Reduced -3.4m |
| Capital World Investors 0.22% of their portfolio | 14.1m $1.5bn | Added +4.6m |
| STATE STREET CORP 0.05% of their portfolio | 12.0m $1.3bn | Added +708.8k |
| Temasek Holdings (Private) Ltd 4.36% of their portfolio | 10.7m $1.1bn | Reduced -859.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.07% of their portfolio | 10.0m $1.1bn | Added +834.2k |
| AQR CAPITAL MANAGEMENT LLC 0.78% of their portfolio | 9.0m $948.2m | Added +262.0k |
| ARK Investment Management LLC 5.22% of their portfolio | 6.8m $712.1m | Reduced -2.3m |
| FRANKLIN RESOURCES INC 0.18% of their portfolio | 6.3m $667.5m | Added +570.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.85% of their portfolio | 6.1m $641.9m | Added +10.2k |
| Sumitomo Mitsui Trust Group, Inc. 0.40% of their portfolio | 6.1m $641.6m | Reduced -1.1m |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.42% of their portfolio | 5.7m $600.1m | Added +1.1m |
| MARSHALL WACE, LLP 0.67% of their portfolio | 5.3m $559.7m | Reduced -1.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.06% of their portfolio | 5.2m $543.3m | Added +1.8m |
| TWO SIGMA ADVISERS, LP 1.09% of their portfolio | 5.0m $529.8m | Reduced -2.3m |
| D. E. Shaw & Co., Inc. 0.52% of their portfolio | 4.9m $519.7m | Added +2.5m |
| Amova Asset Management Americas, Inc. 5.12% of their portfolio | 4.9m $513.0m | Reduced -1.3m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.16% of their portfolio | 4.8m $503.7m | Added +1.5m |
| ValueAct Holdings, L.P. 8.89% of their portfolio | 4.7m $497.8m | Reduced -4.0m |
| GOLDMAN SACHS GROUP INC 0.08% of their portfolio | 4.7m $493.1m | Added +335.8k |
| Durable Capital Partners LP 3.66% of their portfolio | 4.6m $482.7m | Added +1.1m |
| JPMORGAN CHASE & CO 0.03% of their portfolio | 4.2m $441.9m | Added +1.6m |
| SANDS CAPITAL MANAGEMENT, LLC 1.08% of their portfolio | 3.6m $377.3m | Reduced -419.8k |
| ROYAL BANK OF CANADA 0.04% of their portfolio | 3.5m $365.2m | Added +2.5m |
| Whale Rock Capital Management LLC 5.01% of their portfolio | 3.4m $361.0m | Reduced -753.4k |
| NORGES BANK 0.04% of their portfolio | 3.3m $350.7m | Added +557.9k |
| NORTHERN TRUST CORP 0.05% of their portfolio | 3.3m $342.1m | Added +87.1k |
| FEDERATED HERMES, INC. 0.64% of their portfolio | 3.2m $341.4m | Added +1.6m |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 3.2m $335.3m | Added +1.0m |
| Foxhaven Asset Management, LP 7.62% of their portfolio | 3.0m $315.7m | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.23% of their portfolio | 2.8m $290.7m | Reduced -258.9k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.06% of their portfolio | 2.8m $290.6m | Added +591.0k |
| UBS Group AG 0.06% of their portfolio | 2.7m $284.8m | Added +1.3m |
| Amundi 0.09% of their portfolio | 2.6m $270.1m | Reduced -2.3m |
| TWO SIGMA INVESTMENTS, LP 0.47% of their portfolio | 2.5m $261.1m | Reduced -1.5m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.04% of their portfolio | 2.4m $257.7m | Added +125.9k |
| Legal & General Group Plc 0.06% of their portfolio | 2.4m $251.9m | Added +198.1k |
| FIRST TRUST ADVISORS LP 0.20% of their portfolio | 2.4m $249.6m | Reduced -94.2k |
| Artisan Partners Limited Partnership 0.36% of their portfolio | 2.3m $243.2m | Added +864.1k |
| SOMA EQUITY PARTNERS LP 13.38% of their portfolio | 2.3m $240.8m | Reduced -347.8k |
| Nuveen, LLC 0.06% of their portfolio | 1.9m $204.1m | Added +734.7k |
| Qube Research & Technologies Ltd 0.28% of their portfolio | 1.9m $200.6m | Added +119.8k |
| FRED ALGER MANAGEMENT, LLC 0.89% of their portfolio | 1.9m $197.9m | Added +1.4m |
| 1832 Asset Management L.P. 0.33% of their portfolio | 1.8m $191.3m | Added +1.4m |
| Ninety One UK Ltd 0.44% of their portfolio | 1.8m $187.7m | Reduced -572.3k |
| Invesco Ltd. 0.03% of their portfolio | 1.8m $185.5m | Added +64.1k |
| GILDER GAGNON HOWE & CO LLC 1.94% of their portfolio | 1.7m $182.6m | Reduced -9.8k |
| Balyasny Asset Management L.P. 0.40% of their portfolio | 1.7m $176.0m | Reduced -319.0k |
| DEUTSCHE BANK AG\ 0.06% of their portfolio | 1.7m $174.7m | Reduced -182.8k |
| Swiss National Bank 0.10% of their portfolio | 1.6m $170.5m | Added +250.1k |
| Bank of New York Mellon Corp 0.03% of their portfolio | 1.6m $170.3m | Reduced -130.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.17% of their portfolio | 1.6m $167.4m | Reduced -1.3m |
| National Pension Service 0.14% of their portfolio | 1.6m $166.5m | Added +860.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.14% of their portfolio | 1.6m $164.7m | Added +765.5k |
| CITADEL ADVISORS LLC 0.14% of their portfolio | 1.5m $155.9m | Reduced -890.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.03% of their portfolio | 1.4m $146.9m | Reduced -669.2k |
| ACADIAN ASSET MANAGEMENT LLC 0.30% of their portfolio | 1.4m $143.0m | Reduced -46.1k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.55% of their portfolio | 1.3m $140.8m | Reduced -95.6k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.51% of their portfolio | 1.3m $138.6m | Reduced -749.1k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.50% of their portfolio | 1.1m $120.0m | New |
| 12 West Capital Management LP 12.61% of their portfolio | 1.1m $119.2m | Reduced -50.0k |
| Squarepoint Ops LLC 0.26% of their portfolio | 1.1m $119.0m | Reduced -1.6m |
| Greenvale Capital LLP 10.58% of their portfolio | 1.1m $118.3m | Reduced -325.0k |
| Meritech Capital Associates V L.L.C. 47.35% of their portfolio | 1.1m $113.4m | Unchanged |
| Atreides Management, LP 3.07% of their portfolio | 1.1m $110.5m | Reduced -971.0k |
| VAN ECK ASSOCIATES CORP 0.12% of their portfolio | 985.4k $103.7m | Reduced -195.8k |
| BARCLAYS PLC 0.04% of their portfolio | 971.5k $102.2m | Added +237.1k |
| California Public Employees Retirement System 0.06% of their portfolio | 930.8k $97.9m | Added +112.2k |
| Connor, Clark & Lunn Investment Management Ltd. 0.34% of their portfolio | 919.1k $96.7m | Added +108.9k |
| WT Asset Management Ltd 6.42% of their portfolio | 870.9k $91.6m | New |
| RHUMBLINE ADVISERS 0.08% of their portfolio | 865.5k $91.1m | Added +104.0k |
| MILLENNIUM MANAGEMENT LLC 0.08% of their portfolio | 863.1k $90.8m | Reduced -1.7m |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.45% of their portfolio | 856.2k $90.1m | Reduced -54.2k |
| Woodline Partners LP 0.47% of their portfolio | 853.7k $89.8m | Added +550.0k |
| Robeco Institutional Asset Management B.V. 0.14% of their portfolio | 847.5k $89.2m | Added +271.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.07% of their portfolio | 840.0k $88.4m | Added +376.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.10% of their portfolio | 837.7k $88.1m | Added +96.6k |
| NEUBERGER BERMAN GROUP LLC 0.07% of their portfolio | 835.1k $87.8m | Reduced -411.2k |
| Man Group plc 0.19% of their portfolio | 816.5k $85.9m | Reduced -758.7k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 809.0k $85.1m | New |
| PANAGORA ASSET MANAGEMENT INC 0.37% of their portfolio | 784.5k $82.5m | Added +195.0k |
| Jasper Ridge Partners, L.P. 1.96% of their portfolio | 744.9k $78.4m | Added +39.2k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 697.8k $73.4m | Added +58.1k |
| Fullerton Fund Management Co Ltd. 2.95% of their portfolio | 692.4k $72.8m | Added +685.0k |
| National Philanthropic Trust 0.97% of their portfolio | 686.0k $72.2m | Unchanged |
| JENNISON ASSOCIATES LLC 0.04% of their portfolio | 675.9k $71.1m | New |
| KBC Group NV 0.19% of their portfolio | 656.2k $69.0m | Added +537.0k |
| BANK OF NOVA SCOTIA 0.14% of their portfolio | 654.6k $68.9m | Added +633.3k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.63% of their portfolio | 643.0k $67.6m | New |
| Allspring Global Investments Holdings, LLC 0.11% of their portfolio | 641.2k $64.5m | Reduced -477.8k |
| Walleye Capital LLC 0.59% of their portfolio | 610.2k $64.2m | Added +424.4k |
| Mitsubishi UFJ Trust & Banking Corp 0.14% of their portfolio | 584.4k $61.5m | Reduced -22.7k |
| TD Asset Management Inc 0.05% of their portfolio | 551.8k $58.1m | Added +415.6k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 548.2k $57.7m | Added +471.6k |
| Korea Investment CORP 0.13% of their portfolio | 534.5k $56.2m | Added +170.2k |