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 ($672.1m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $138.37. Options: 47 managers hold calls ($3.3bn notional), 49 hold puts ($2.7bn).
Trends to Q3 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 |
| Q3 2025 | 1,027 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| 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 |
| Q3 2025 | 601 | 361 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2024 | $1.4bn | $944.5m | 0.68 |
| Q1 2025 | $1.0bn | $767.3m | 0.75 |
| Q2 2025 | $3.2bn | $1.9bn | 0.59 |
| Q3 2025 | $3.3bn | $2.7bn | 0.81 |
Biggest buyers
| JPMORGAN CHASE & CO | Added | +35.6m |
| BlackRock, Inc. | Added | +4.8m |
| VANGUARD GROUP INC | Added | +3.3m |
| Nuveen, LLC | Added | +2.2m |
| Ninety One UK Ltd | Added | +1.6m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +1.6m |
| RAYMOND JAMES FINANCIAL INC | Added | +1.4m |
| STATE STREET CORP | Added | +1.3m |
| MORGAN STANLEY | Added | +1.0m |
| Invesco Ltd. | Added | +862.8k |
Biggest sellers
| BAILLIE GIFFORD & CO | Reduced | -3.1m |
| FMR LLC | Reduced | -3.0m |
| Temasek Holdings (Private) Ltd | Reduced | -2.9m |
| TWO SIGMA ADVISERS, LP | Reduced | -2.1m |
| MARSHALL WACE, LLP | Reduced | -1.9m |
| Amova Asset Management Americas, Inc. | Reduced | -1.7m |
| ROYAL BANK OF CANADA | Reduced | -1.7m |
| Sumitomo Mitsui Trust Group, Inc. | Reduced | -1.6m |
| 1832 Asset Management L.P. | Reduced | -1.5m |
| ARK Investment Management LLC | Reduced | -1.5m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $724.3m5.2m shares |
| CITADEL ADVISORS LLC | Added | $476.1m3.4m shares |
| JANE STREET GROUP, LLC | Added | $414.6m3.0m shares |
| IMC-Chicago, LLC | Reduced | $195.6m1.4m shares |
| Squarepoint Ops LLC | Added | $165.5m1.2m shares |
| D. E. Shaw & Co., Inc. | Added | $127.1m917.2k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $115.6m834.7k shares |
| JPMORGAN CHASE & CO | Added | $107.0m772.6k shares |
| BARCLAYS PLC | Reduced | $97.7m705.1k shares |
| SIMPLEX TRADING, LLC | Reduced | $94.9m684.8k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $407.3m2.9m shares |
| CITADEL ADVISORS LLC | Added | $397.9m2.9m shares |
| GOLDMAN SACHS GROUP INC | Added | $335.6m2.4m shares |
| JANE STREET GROUP, LLC | Added | $237.6m1.7m shares |
| IMC-Chicago, LLC | Added | $207.9m1.5m shares |
| UBS Group AG | Reduced | $144.7m1.0m shares |
| ADAPT Investment Managers SA | Unchanged | $110.8m800.0k shares |
| Squarepoint Ops LLC | Added | $104.8m756.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $91.1m657.9k shares |
| D. E. Shaw & Co., Inc. | Added | $90.4m652.6k 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 Q3 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 |
|---|---|---|---|---|---|
| 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 |
| Q3 2025 | 0 | — | 8 | $54.1m | $44.2m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-09-18 | Kaufman Matthew D Chief Safety Officer | Sold plan | $819.3k6.0k shares |
| 2025-09-04 | Kaufman Matthew D Chief Safety Officer | Sold plan | $805.2k6.0k shares |
| 2025-09-02 | Lee Anthony P Director · See footnote | Sold plan | $8.1m66.0k shares |
| 2025-08-21 | Kaufman Matthew D Chief Safety Officer | Sold plan | $701.0k6.0k shares |
| 2025-08-20 | Bronstein Manuel Chief Product Officer | Sold | $2.7m22.4k shares |
| 2025-08-20 | Chakravarthy Arvind Chief People & Systems Officer | Sold | $2.4m20.6k shares |
| 2025-08-20 | Reinstra Mark Chief Legal Off. & Corp. Sec. | Sold | $1.9m15.8k shares |
| 2025-08-20 | Kaufman Matthew D Chief Safety Officer | Sold plan | $1.7m14.2k shares |
| 2025-08-20 | Baszucki David President & CEO, director | Sold | $1.2m10.4k shares |
| 2025-08-20 | Rawlings Amy Marie Chief Accounting Officer | Sold | $773.0k6.6k shares |
| 2025-08-07 | Kaufman Matthew D Chief Safety Officer | Sold plan | $802.0k6.0k shares |
| 2025-08-05 | Lee Anthony P Director · See footnote | Sold plan | $8.5m66.0k shares |
| 2025-08-05 | Baszucki David President & CEO, director · See Footnote | Sold | $110.9k875 shares |
| 2025-08-04 | Wong Andrea L Director · See footnote | Sold | $752.4k5.8k shares |
| 2025-08-01 | Lee Anthony P Director · See footnote | Sold plan | $14.6m111.1k shares |
| 2025-07-17 | Kaufman Matthew D Chief Safety Officer | Sold plan | $711.1k6.0k shares |
| 2025-07-03 | Kaufman Matthew D Chief Safety Officer | Sold plan | $615.5k6.0k shares |
| 2025-07-01 | Lee Anthony P Director · See footnote | Sold plan | $6.6m63.9k shares |
| 2025-07-01 | Lee Anthony P Director · See Footnotes | Sold plan | $225.1k2.1k shares |
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, Q3 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.13% of their portfolio | 62.4m $8.6bn | Added +3.3m |
| FMR LLC 0.34% of their portfolio | 46.5m $6.4bn | Reduced -3.0m |
| JPMORGAN CHASE & CO 0.18% of their portfolio | 39.8m $5.5bn | Added +35.6m |
| BlackRock, Inc. 0.10% of their portfolio | 39.4m $5.5bn | Added +4.8m |
| Capital International Investors 0.67% of their portfolio | 29.8m $4.1bn | Reduced -644.0k |
| BAILLIE GIFFORD & CO 2.39% of their portfolio | 23.3m $3.2bn | Reduced -3.1m |
| MORGAN STANLEY 0.16% of their portfolio | 19.2m $2.7bn | Added +1.0m |
| IEQ CAPITAL, LLC 7.35% of their portfolio | 17.5m $2.4bn | Reduced -1.3m |
| STATE STREET CORP 0.06% of their portfolio | 13.4m $1.9bn | Added +1.3m |
| Capital World Investors 0.25% of their portfolio | 13.0m $1.8bn | Reduced -1.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.10% of their portfolio | 11.7m $1.6bn | Added +1.6m |
| AQR CAPITAL MANAGEMENT LLC 0.84% of their portfolio | 9.7m $1.3bn | Added +665.1k |
| Temasek Holdings (Private) Ltd 3.76% of their portfolio | 7.8m $1.1bn | Reduced -2.9m |
| FRANKLIN RESOURCES INC 0.24% of their portfolio | 7.0m $964.6m | Added +619.0k |
| RENAISSANCE TECHNOLOGIES LLC 1.26% of their portfolio | 6.9m $953.5m | Added +781.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.09% of their portfolio | 5.9m $817.1m | Added +734.7k |
| ARK Investment Management LLC 4.38% of their portfolio | 5.3m $735.9m | Reduced -1.5m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.22% of their portfolio | 5.1m $713.1m | Added +360.0k |
| D. E. Shaw & Co., Inc. 0.56% of their portfolio | 5.0m $697.9m | Added +98.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.43% of their portfolio | 4.9m $675.8m | Reduced -826.1k |
| Sumitomo Mitsui Trust Group, Inc. 0.36% of their portfolio | 4.5m $617.7m | Reduced -1.6m |
| ValueAct Holdings, L.P. 10.01% of their portfolio | 4.3m $593.3m | Reduced -448.8k |
| GOLDMAN SACHS GROUP INC 0.09% of their portfolio | 4.3m $591.5m | Reduced -417.6k |
| Nuveen, LLC 0.15% of their portfolio | 4.1m $571.5m | Added +2.2m |
| Whale Rock Capital Management LLC 6.07% of their portfolio | 3.7m $515.2m | Added +287.5k |
| NORTHERN TRUST CORP 0.06% of their portfolio | 3.6m $503.1m | Added +380.5k |
| Durable Capital Partners LP 3.62% of their portfolio | 3.5m $489.0m | Reduced -1.1m |
| SANDS CAPITAL MANAGEMENT, LLC 1.33% of their portfolio | 3.5m $481.6m | Reduced -110.1k |
| MARSHALL WACE, LLP 0.52% of their portfolio | 3.4m $475.8m | Reduced -1.9m |
| Ninety One UK Ltd 0.52% of their portfolio | 3.4m $474.1m | Added +1.6m |
| FEDERATED HERMES, INC. 0.79% of their portfolio | 3.2m $447.5m | Reduced -14.6k |
| Amova Asset Management Americas, Inc. 4.25% of their portfolio | 3.2m $439.0m | Reduced -1.7m |
| TWO SIGMA ADVISERS, LP 0.80% of their portfolio | 2.9m $401.0m | Reduced -2.1m |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 2.8m $385.3m | Reduced -406.2k |
| Legal & General Group Plc 0.08% of their portfolio | 2.7m $371.3m | Added +285.5k |
| Invesco Ltd. 0.06% of their portfolio | 2.6m $363.7m | Added +862.8k |
| FIRST TRUST ADVISORS LP 0.26% of their portfolio | 2.6m $354.8m | Added +189.3k |
| Foxhaven Asset Management, LP 8.53% of their portfolio | 2.5m $341.2m | Reduced -538.2k |
| FRED ALGER MANAGEMENT, LLC 1.30% of their portfolio | 2.4m $332.8m | Added +521.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.07% of their portfolio | 2.3m $324.7m | Reduced -418.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.05% of their portfolio | 2.2m $303.6m | Reduced -257.6k |
| Artisan Partners Limited Partnership 0.38% of their portfolio | 1.9m $267.0m | Reduced -384.4k |
| Amundi 0.08% of their portfolio | 1.9m $239.3m | Reduced -742.5k |
| DEUTSCHE BANK AG\ 0.09% of their portfolio | 1.9m $260.9m | Added +222.6k |
| RAYMOND JAMES FINANCIAL INC 0.08% of their portfolio | 1.8m $254.8m | Added +1.4m |
| ROYAL BANK OF CANADA 0.04% of their portfolio | 1.8m $250.1m | Reduced -1.7m |
| Qube Research & Technologies Ltd 0.35% of their portfolio | 1.8m $246.6m | Reduced -127.1k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 1.7m $239.5m | Added +110.4k |
| GILDER GAGNON HOWE & CO LLC 2.41% of their portfolio | 1.7m $236.8m | Reduced -26.6k |
| National Pension Service 0.18% of their portfolio | 1.7m $235.2m | Added +115.1k |
| SOMA EQUITY PARTNERS LP 11.79% of their portfolio | 1.7m $234.8m | Reduced -593.7k |
| TWO SIGMA INVESTMENTS, LP 0.36% of their portfolio | 1.7m $234.6m | Reduced -788.7k |
| BNP PARIBAS FINANCIAL MARKETS 0.18% of their portfolio | 1.7m $234.6m | Reduced -1.1m |
| Swiss National Bank 0.13% of their portfolio | 1.6m $226.4m | Added +13.5k |
| UBS Group AG 0.04% of their portfolio | 1.6m $220.3m | Reduced -1.1m |
| CANADA PENSION PLAN INVESTMENT BOARD 0.15% of their portfolio | 1.6m $218.7m | Added +13.7k |
| WELLINGTON MANAGEMENT GROUP LLP 0.04% of their portfolio | 1.6m $217.2m | Added +171.9k |
| ACADIAN ASSET MANAGEMENT LLC 0.32% of their portfolio | 1.3m $185.7m | Reduced -18.9k |
| AMERICAN CENTURY COMPANIES INC 0.09% of their portfolio | 1.3m $183.1m | Added +512.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.18% of their portfolio | 1.3m $176.2m | Reduced -320.5k |
| Fullerton Fund Management Co Ltd. 6.74% of their portfolio | 1.3m $174.5m | Added +567.5k |
| BANK OF NOVA SCOTIA 0.30% of their portfolio | 1.2m $171.3m | Added +582.2k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.69% of their portfolio | 1.2m $164.8m | Added +48.5k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.64% of their portfolio | 1.2m $161.7m | Reduced -171.1k |
| WT Asset Management Ltd 7.30% of their portfolio | 1.1m $158.2m | Added +271.4k |
| Meritech Capital Associates V L.L.C. 52.76% of their portfolio | 1.1m $149.3m | Unchanged |
| Greenvale Capital LLP 11.91% of their portfolio | 1.1m $148.9m | Reduced -50.0k |
| 12 West Capital Management LP 15.30% of their portfolio | 1.1m $147.5m | Reduced -68.0k |
| Polar Capital Holdings Plc 0.70% of their portfolio | 1.0m $145.1m | Added +637.6k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.61% of their portfolio | 1.0m $142.2m | Added +170.5k |
| California Public Employees Retirement System 0.08% of their portfolio | 1.0m $141.9m | Added +93.4k |
| AMERIPRISE FINANCIAL INC 0.03% of their portfolio | 967.9k $134.1m | Added +419.7k |
| MILLENNIUM MANAGEMENT LLC 0.11% of their portfolio | 966.5k $133.9m | Added +103.4k |
| NEUBERGER BERMAN GROUP LLC 0.10% of their portfolio | 942.6k $130.6m | Added +107.5k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.44% of their portfolio | 935.7k $129.6m | Reduced -382.1k |
| RHUMBLINE ADVISERS 0.10% of their portfolio | 913.4k $126.5m | Added +47.8k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.13% of their portfolio | 900.8k $124.8m | Added +63.2k |
| Robeco Institutional Asset Management B.V. 0.18% of their portfolio | 883.2k $122.3m | Added +35.7k |
| CITIGROUP INC 0.08% of their portfolio | 880.6k $122.0m | Added +558.7k |
| CITADEL ADVISORS LLC 0.09% of their portfolio | 833.0k $115.4m | Reduced -649.4k |
| LORD, ABBETT & CO. LLC 0.34% of their portfolio | 815.9k $113.0m | New |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.08% of their portfolio | 807.1k $111.8m | Reduced -32.9k |
| Man Group plc 0.20% of their portfolio | 757.7k $105.0m | Reduced -58.8k |
| KBC Group NV 0.25% of their portfolio | 751.2k $104.1m | Added +95.0k |
| Jasper Ridge Partners, L.P. 2.31% of their portfolio | 739.4k $102.4m | Reduced -5.5k |
| Atreides Management, LP 2.65% of their portfolio | 737.0k $102.1m | Reduced -313.5k |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. 7.82% of their portfolio | 730.6k $101.2m | New |
| Quantinno Capital Management LP 0.27% of their portfolio | 717.5k $99.4m | Added +249.1k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 709.2k $98.3m | Added +11.3k |
| Walleye Capital LLC 0.79% of their portfolio | 700.6k $97.0m | Added +90.3k |
| National Philanthropic Trust 1.08% of their portfolio | 694.2k $96.2m | Added +8.2k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.79% of their portfolio | 633.3k $87.7m | Reduced -9.7k |
| Allspring Global Investments Holdings, LLC 0.13% of their portfolio | 625.7k $83.9m | Reduced -15.5k |
| WELLS FARGO & COMPANY/MN 0.02% of their portfolio | 616.7k $85.4m | Added +390.4k |
| TD Asset Management Inc 0.07% of their portfolio | 590.6k $81.8m | Added +38.8k |
| Mitsubishi UFJ Trust & Banking Corp 0.17% of their portfolio | 573.3k $79.4m | Reduced -11.1k |
| MANE GLOBAL CAPITAL MANAGEMENT LP 3.66% of their portfolio | 563.7k $78.1m | Added +167.8k |
| Russell Investments Group, Ltd. 0.09% of their portfolio | 562.1k $78.1m | Added +44.8k |
| VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio | 558.1k $77.3m | Added +389.4k |
| Korea Investment CORP 0.15% of their portfolio | 531.9k $73.7m | Reduced -2.6k |