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 ($41.4m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $38.16. Options: 46 managers hold calls ($895.8m notional), 35 hold puts ($652.2m).
Trends to Q1 2024
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 |
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 2022 | 209 | 332 |
| Q1 2023 | 304 | 239 |
| Q2 2023 | 263 | 257 |
| Q3 2023 | 238 | 286 |
| Q4 2023 | 312 | 219 |
| Q1 2024 | 303 | 288 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2023 | $865.7m | $621.7m | 0.72 |
| Q3 2023 | $789.1m | $473.6m | 0.60 |
| Q4 2023 | $1.6bn | $853.1m | 0.52 |
| Q1 2024 | $895.8m | $652.2m | 0.73 |
Biggest buyers
| MORGAN STANLEY | Added | +23.9m |
| FMR LLC | Added | +10.0m |
| VANGUARD GROUP INC | Added | +4.8m |
| IEQ CAPITAL, LLC | Added | +2.7m |
| JAT Capital Mgmt LP | Added | +975.5k |
| JPMORGAN CHASE & CO | Added | +962.4k |
| BAILLIE GIFFORD & CO | Added | +867.8k |
| Balyasny Asset Management L.P. | Added | +867.0k |
| FIRST TRUST ADVISORS LP | Added | +834.5k |
| Sumitomo Mitsui Trust Group, Inc. | Added | +764.5k |
Biggest sellers
| ALTOS VENTURES MANAGEMENT, INC. | Reduced | -4.8m |
| CITADEL ADVISORS LLC | Reduced | -3.4m |
| 12 West Capital Management LP | Reduced | -2.1m |
| GOLDMAN SACHS GROUP INC | Reduced | -1.5m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -1.4m |
| Point72 Asset Management, L.P. | Reduced | -1.2m |
| Meritech Capital Associates V L.L.C. | Reduced | -1.1m |
| Holocene Advisors, LP | Reduced | -1.1m |
| Atreides Management, LP | Sold out | -766.9k |
| Woodline Partners LP | Sold out | -733.0k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $169.1m4.4m shares |
| CITADEL ADVISORS LLC | Reduced | $152.9m4.0m shares |
| JANE STREET GROUP, LLC | Reduced | $74.9m2.0m shares |
| UBS Group AG | Added | $65.3m1.7m shares |
| SIMPLEX TRADING, LLC | Reduced | $52.1m1.4m shares |
| Twin Tree Management, LP | Added | $48.1m1.3m shares |
| Squarepoint Ops LLC | Added | $39.6m1.0m shares |
| IMC-Chicago, LLC | Reduced | $33.5m878.2k shares |
| Parallax Volatility Advisers, L.P. | Reduced | $29.3m766.5k shares |
| D. E. Shaw & Co., Inc. | Reduced | $26.4m692.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $130.3m3.4m shares |
| UBS Group AG | Added | $85.6m2.2m shares |
| CITADEL ADVISORS LLC | Reduced | $84.0m2.2m shares |
| D. E. Shaw & Co., Inc. | Reduced | $46.8m1.2m shares |
| Squarepoint Ops LLC | Added | $45.8m1.2m shares |
| Walleye Trading LLC | Added | $29.0m760.2k shares |
| Twin Tree Management, LP | Added | $27.5m719.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $27.2m712.2k shares |
| JANE STREET GROUP, LLC | Reduced | $25.8m675.7k shares |
| IMC-Chicago, LLC | Reduced | $21.4m560.7k 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 Q1 2024
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 |
|---|---|---|---|---|---|
| Q2 2022 | 0 | — | 4 | $1.6m | — |
| Q3 2022 | 0 | — | 7 | $31.4m | — |
| Q4 2022 | 0 | — | 8 | $23.8m | — |
| Q1 2023 | 1 | $43 | 9 | $29.5m | — |
| Q2 2023 | 1 | $339 | 9 | $41.7m | $38.0m |
| 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 |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-03-27 | Baszucki Gregory Director · See Footnotes | Sold plan | $489.3k13.0k shares |
| 2024-03-25 | Baszucki David President & CEO, director · See Footnote | Sold plan | $1.5m41.7k shares |
| 2024-03-20 | Reinstra Mark Gen. Counsel & Secretary | Sold | $146.0k4.0k shares |
| 2024-03-08 | Baszucki Gregory Director · See Footnotes | Sold plan | $525.4k13.0k shares |
| 2024-03-04 | Guthrie Michael Chief Financial Officer | Sold plan | $1.2m30.0k shares |
| 2024-02-28 | Baszucki David President & CEO, director · See Footnote | Sold plan | $1.7m41.7k shares |
| 2024-02-22 | Rawlings Amy Marie Chief Accounting Officer | Sold plan | $62.6k1.5k shares |
| 2024-02-21 | Bronstein Manuel Chief Product Officer | Sold | $1.4m35.1k shares |
| 2024-02-21 | Reinstra Mark Gen. Counsel & Secretary | Sold | $510.6k12.5k shares |
| 2024-02-21 | Guthrie Michael Chief Financial Officer | Sold | $445.9k11.0k shares |
| 2024-02-21 | Sturman Daniel Chief Technology Officer | Sold | $315.4k7.8k shares |
| 2024-02-21 | Rawlings Amy Marie Chief Accounting Officer | Sold plan | $153.5k3.8k shares |
| 2024-02-12 | Baszucki David President & CEO, director | Sold | $8.8m200.0k shares |
| 2024-02-12 | Baszucki David President & CEO, director | Sold | $1.8m40.0k shares |
| 2024-02-09 | Baszucki David President & CEO, director | Sold | $8.8m200.0k shares |
| 2024-02-09 | Baszucki David President & CEO, director · See Footnote | Sold | $1.8m40.0k shares |
| 2024-01-24 | Baszucki Gregory Director · See Footnotes | Sold | $343.0k8.3k shares |
| 2024-01-17 | Reinstra Mark Gen. Counsel & Secretary | Sold | $154.3k4.0k shares |
| 2024-01-17 | Bronstein Manuel Chief Product Officer | Sold | $381 share |
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, Q1 2024
| Manager | Shares | Change |
|---|---|---|
| MORGAN STANLEY 0.10% of their portfolio | 95.1m $3.6bn | Added +23.9m |
| VANGUARD GROUP INC 0.04% of their portfolio | 51.1m $2.0bn | Added +4.8m |
| ALTOS VENTURES MANAGEMENT, INC. 100.00% of their portfolio | 44.1m $1.7bn | Reduced -4.8m |
| BAILLIE GIFFORD & CO 0.85% of their portfolio | 28.6m $1.1bn | Added +867.8k |
| BlackRock Inc. 0.02% of their portfolio | 25.0m $954.8m | Added +672.3k |
| FMR LLC 0.04% of their portfolio | 17.0m $650.4m | Added +10.0m |
| Temasek Holdings (Private) Ltd 2.90% of their portfolio | 13.7m $523.5m | Added +421.9k |
| IEQ CAPITAL, LLC 6.81% of their portfolio | 12.4m $473.8m | Added +2.7m |
| ARK Investment Management LLC 3.12% of their portfolio | 11.8m $451.3m | Reduced -86.9k |
| STATE STREET CORP 0.02% of their portfolio | 9.8m $375.8m | Added +66.1k |
| Dragoneer Investment Group, LLC 8.18% of their portfolio | 9.3m $353.4m | Unchanged |
| Sumitomo Mitsui Trust Group, Inc. 0.22% of their portfolio | 8.5m $324.3m | Added +764.5k |
| FRANKLIN RESOURCES INC 0.10% of their portfolio | 8.3m $315.4m | Added +452.8k |
| Amova Asset Management Americas, Inc. 2.83% of their portfolio | 7.5m $284.9m | Added +739.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 7.4m $282.1m | Added +355.2k |
| HMI Capital Management, L.P. 8.63% of their portfolio | 6.1m $234.7m | Unchanged |
| TWO SIGMA ADVISERS, LP 0.53% of their portfolio | 6.0m $227.5m | Reduced -523.7k |
| CITADEL ADVISORS LLC 0.19% of their portfolio | 5.2m $198.6m | Reduced -3.4m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio | 4.7m $180.9m | Added +65.2k |
| RENAISSANCE TECHNOLOGIES LLC 0.28% of their portfolio | 4.7m $179.5m | Reduced -407.5k |
| NORGES BANK 0.03% of their portfolio | 4.7m $178.5m | Reduced -54.2k |
| Artisan Partners Limited Partnership 0.24% of their portfolio | 4.3m $164.9m | Added +481.3k |
| Meritech Capital Associates V L.L.C. 55.02% of their portfolio | 4.3m $164.6m | Reduced -1.1m |
| FIRST TRUST ADVISORS LP 0.14% of their portfolio | 3.6m $136.5m | Added +834.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.12% of their portfolio | 3.3m $124.4m | Added +21.7k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 3.3m $124.1m | Added +962.4k |
| Jericho Capital Asset Management L.P. 3.21% of their portfolio | 3.1m $120.1m | Added +162.6k |
| Balyasny Asset Management L.P. 0.26% of their portfolio | 2.6m $100.0m | Added +867.0k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.36% of their portfolio | 2.6m $99.0m | Added +588.6k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 2.6m $97.6m | Reduced -109.6k |
| TWO SIGMA INVESTMENTS, LP 0.23% of their portfolio | 2.4m $92.8m | Reduced -1.4m |
| ValueAct Holdings, L.P. 1.93% of their portfolio | 2.3m $87.8m | Added +500.0k |
| SOMA EQUITY PARTNERS LP 5.02% of their portfolio | 2.2m $85.7m | Unchanged |
| Legal & General Group Plc 0.02% of their portfolio | 2.1m $80.2m | Added +7.8k |
| CITIGROUP INC 0.08% of their portfolio | 2.0m $77.0m | Added +444.9k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 1.9m $73.1m | Added +263.4k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.8m $70.2m | Reduced -1.5m |
| GILDER GAGNON HOWE & CO LLC 0.87% of their portfolio | 1.8m $69.6m | Reduced -454.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 1.8m $67.8m | Added +72.6k |
| 12 West Capital Management LP 5.52% of their portfolio | 1.6m $60.6m | Reduced -2.1m |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 1.5m $57.6m | Added +172.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 1.5m $57.5m | Added +15.4k |
| Invesco Ltd. 0.01% of their portfolio | 1.4m $51.9m | Added +136.9k |
| Nuveen Asset Management, LLC 0.02% of their portfolio | 1.3m $51.4m | Reduced -22.1k |
| Swiss National Bank 0.03% of their portfolio | 1.3m $49.3m | Reduced -38.9k |
| VAN ECK ASSOCIATES CORP 0.07% of their portfolio | 1.3m $49.2m | Added +338.9k |
| Holocene Advisors, LP 0.18% of their portfolio | 1.3m $49.1m | Reduced -1.1m |
| Accredited Investors Inc. 3.11% of their portfolio | 1.3m $48.4m | Reduced -74.2k |
| Yiheng Capital Management, L.P. 6.69% of their portfolio | 1.2m $46.6m | Added +212.5k |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 1.2m $46.5m | Added +188.8k |
| Amundi 0.02% of their portfolio | 1.2m $42.1m | Reduced -454.5k |
| Mitsubishi UFJ Trust & Banking Corp 0.10% of their portfolio | 1.1m $43.3m | Reduced -93.3k |
| UBS Group AG 0.01% of their portfolio | 1.1m $41.8m | Added +649.5k |
| TWINBEECH CAPITAL LP 0.86% of their portfolio | 1.1m $41.7m | Added +565.4k |
| JAT Capital Mgmt LP 5.53% of their portfolio | 1.1m $41.7m | Added +975.5k |
| APG Asset Management N.V. 0.06% of their portfolio | 957.9k $33.9m | Added +16.8k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 866.3k $33.1m | Added +323.9k |
| EXCHANGE TRADED CONCEPTS, LLC 0.83% of their portfolio | 842.3k $32.2m | Reduced -51.5k |
| MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio | 795.9k $30.4m | Reduced -634.6k |
| Blue Whale Capital LLP 3.09% of their portfolio | 767.0k $29.3m | Added +310.0k |
| Kora Management LP 6.05% of their portfolio | 765.0k $29.2m | Added +334.0k |
| National Pension Service 0.03% of their portfolio | 742.7k $28.4m | New |
| National Philanthropic Trust 0.57% of their portfolio | 686.7k $26.2m | Reduced -2.0k |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 686.6k $26.2m | Added +90.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 670.0k $25.6m | Added +5.6k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.11% of their portfolio | 668.9k $25.5m | Added +657.8k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 659.3k $25.2m | Added +23.7k |
| California Public Employees Retirement System 0.02% of their portfolio | 645.5k $24.6m | Reduced -33.5k |
| READYSTATE ASSET MANAGEMENT LP 0.85% of their portfolio | 625.8k $23.9m | Added +272.4k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 614.5k $23.5m | Added +138.4k |
| Schonfeld Strategic Advisors LLC 0.17% of their portfolio | 575.1k $22.0m | New |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 561.5k $21.4m | Added +118.7k |
| Assenagon Asset Management S.A. 0.06% of their portfolio | 558.0k $21.3m | New |
| Tidal Investments LLC 0.36% of their portfolio | 549.4k $21.0m | Reduced -64.4k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.05% of their portfolio | 531.3k $20.3m | Reduced -12.9k |
| Man Group plc 0.05% of their portfolio | 523.2k $20.0m | Added +425.1k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.02% of their portfolio | 522.0k $19.9m | Added +492 |
| CREDIT SUISSE AG/ 0.02% of their portfolio | 520.4k $19.9m | Reduced -167.3k |
| BARCLAYS PLC 0.01% of their portfolio | 502.5k $19.2m | Added +83.6k |
| Strategic Family Wealth Counselors, L.L.C. 7.55% of their portfolio | 500.7k $19.1m | Added +26 |
| Ardmore Road Asset Management LP 3.36% of their portfolio | 500.0k $19.1m | Added +400.0k |
| Engineers Gate Manager LP 0.49% of their portfolio | 491.0k $18.7m | Added +355.6k |
| StepStone Group LP 3.78% of their portfolio | 466.7k $17.8m | Reduced -111.9k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.05% of their portfolio | 463.6k $20.9m | Reduced -4.5k |
| Jasper Ridge Partners, L.P. 0.52% of their portfolio | 436.7k $16.7m | Added +50.0k |
| Walleye Capital LLC 0.18% of their portfolio | 431.2k $16.5m | Added +401.3k |
| Generali Powszechne Towarzystwo Emerytalne 5.90% of their portfolio | 425.0k $16.2m | New |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.19% of their portfolio | 396.3k $15.1m | Added +318.0k |
| Connor, Clark & Lunn Investment Management Ltd. 0.06% of their portfolio | 378.9k $14.5m | Reduced -142.6k |
| Quadrature Capital Ltd 0.24% of their portfolio | 371.2k $14.2m | Added +341.4k |
| Erste Asset Management GmbH 0.19% of their portfolio | 370.0k $14.1m | Reduced -60.0k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio | 355.3k $13.6m | Added +25.0k |
| Mirae Asset Global Investments Co., Ltd. 0.03% of their portfolio | 351.2k $14.4m | Reduced -10.0k |
| Polar Capital Holdings Plc 0.07% of their portfolio | 337.0k $12.9m | Reduced -107.7k |
| Ensign Peak Advisors, Inc 0.02% of their portfolio | 335.9k $12.8m | Added +12.5k |
| Parkwood LLC 1.32% of their portfolio | 331.6k $12.7m | Added +213.5k |
| Alyeska Investment Group, L.P. 0.08% of their portfolio | 330.4k $12.6m | New |
| Susquehanna Portfolio Strategies, LLC 0.29% of their portfolio | 327.6k $12.5m | Unchanged |
| Squarepoint Ops LLC 0.05% of their portfolio | 325.8k $12.4m | New |
| AlpInvest Partners B.V. 4.76% of their portfolio | 319.3k $12.2m | Reduced -145.5k |