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 ($31.8m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $45.69. Options: 44 managers hold calls ($1.6bn notional), 36 hold puts ($853.1m).
Trends to Q4 2023
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 |
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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2023 | $1.2bn | $858.8m | 0.71 |
| Q2 2023 | $865.7m | $621.7m | 0.72 |
| Q3 2023 | $789.1m | $473.6m | 0.60 |
| Q4 2023 | $1.6bn | $853.1m | 0.52 |
Biggest buyers
| MORGAN STANLEY | Added | +30.2m |
| CITADEL ADVISORS LLC | Added | +5.9m |
| FRANKLIN RESOURCES INC | Added | +5.2m |
| Jericho Capital Asset Management L.P. | New | +3.0m |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +2.8m |
| TWO SIGMA INVESTMENTS, LP | Added | +2.5m |
| FIRST TRUST ADVISORS LP | Added | +2.4m |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | New | +2.0m |
| TWO SIGMA ADVISERS, LP | Added | +2.0m |
| VANGUARD GROUP INC | Added | +1.7m |
Biggest sellers
| ALTOS VENTURES MANAGEMENT, INC. | Reduced | -11.3m |
| Index Venture Growth Associates III Ltd | Sold out | -5.2m |
| Nuveen Asset Management, LLC | Reduced | -2.2m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -1.6m |
| GREYLOCK 15 GP LLC | Sold out | -1.4m |
| ING GROEP NV | Sold out | -1.2m |
| Meritech Capital Associates V L.L.C. | Reduced | -1.1m |
| HMI Capital Management, L.P. | Reduced | -1.0m |
| NOMURA HOLDINGS INC | Reduced | -832.7k |
| Polar Capital Holdings Plc | Reduced | -763.1k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $253.1m5.5m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $233.9m5.1m shares |
| Yiheng Capital Management, L.P. | Added | $227.0m5.0m shares |
| JANE STREET GROUP, LLC | Added | $164.9m3.6m shares |
| SIMPLEX TRADING, LLC | Added | $126.7m2.8m shares |
| D. E. Shaw & Co., Inc. | Added | $78.5m1.7m shares |
| UBS Group AG | Added | $65.9m1.4m shares |
| IMC-Chicago, LLC | Added | $52.8m1.2m shares |
| Parallax Volatility Advisers, L.P. | Added | $50.7m1.1m shares |
| GTS SECURITIES LLC | Added | $39.4m861.6k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $146.2m3.2m shares |
| CITADEL ADVISORS LLC | Reduced | $103.7m2.3m shares |
| JANE STREET GROUP, LLC | Added | $91.2m2.0m shares |
| UBS Group AG | Added | $89.9m2.0m shares |
| SIMPLEX TRADING, LLC | Added | $68.8m1.5m shares |
| D. E. Shaw & Co., Inc. | Added | $60.8m1.3m shares |
| Walleye Trading LLC | Added | $30.2m660.1k shares |
| GTS SECURITIES LLC | Reduced | $27.9m609.2k shares |
| Optiver Holding B.V. | Added | $27.2m595.7k shares |
| IMC-Chicago, LLC | Added | $26.1m570.0k 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 Q4 2023
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 |
|---|---|---|---|---|---|
| Q1 2022 | 0 | — | 4 | $9.7m | — |
| 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 |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-12-27 | Baszucki Gregory Director · See Footnotes | Sold | $388.8k8.3k shares |
| 2023-12-22 | Baszucki David President & CEO, director | Sold | $4.8m103.8k shares |
| 2023-12-20 | Reinstra Mark Gen. Counsel & Secretary | Sold | $177.9k4.0k shares |
| 2023-12-15 | Bronstein Manuel Chief Product Officer | Sold | $262.3k5.8k shares |
| 2023-12-15 | Rawlings Amy Marie Chief Accounting Officer | Sold plan | $65.6k1.5k shares |
| 2023-12-04 | Bronstein Manuel Chief Product Officer | Bought | $401 share |
| 2023-11-28 | Baszucki Gregory Director · See Footnotes | Sold | $324.7k8.3k shares |
| 2023-11-27 | Kim Han 10% owner · See Footnotes | Sold | $3.9m100.0k shares |
| 2023-11-27 | Rawlings Amy Marie Chief Accounting Officer | Sold plan | $95.6k2.5k shares |
| 2023-11-21 | Bronstein Manuel Chief Product Officer | Sold | $1.4m38.9k shares |
| 2023-11-21 | Reinstra Mark Gen. Counsel & Secretary | Sold | $583.2k15.8k shares |
| 2023-11-21 | Guthrie Michael Chief Financial Officer | Sold | $534.1k14.6k shares |
| 2023-11-21 | Sturman Daniel Chief Technology Officer | Sold | $397.7k10.8k shares |
| 2023-11-21 | Messing Barbara CMKtg & Communications Officer | Sold | $392.4k10.7k shares |
| 2023-11-21 | Rawlings Amy Marie Chief Accounting Officer | Sold | $165.0k4.5k shares |
| 2023-11-21 | Guthrie Michael Chief Financial Officer | Sold | $5.5k147 shares |
| 2023-11-13 | Baszucki David President & CEO, director | Sold | $10.4m270.2k shares |
| 2023-11-13 | Baszucki David President & CEO, director | Sold | $4.0m104.8k shares |
| 2023-11-13 | Baszucki David President & CEO, director | Sold | $2.9m75.0k shares |
| 2023-11-10 | Baszucki David President & CEO, director | Sold | $14.5m375.0k shares |
| 2023-11-10 | Baszucki David President & CEO, director · See Footnote | Sold | $2.9m75.0k shares |
| 2023-10-23 | Baszucki Gregory Director · See Footnotes | Sold | $258.7k8.3k shares |
| 2023-10-19 | Bronstein Manuel Chief Product Officer | Bought | $933 shares |
| 2023-10-18 | Reinstra Mark Gen. Counsel & Secretary | Sold | $122.5k4.0k 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, Q4 2023
| Manager | Shares | Change |
|---|---|---|
| MORGAN STANLEY 0.14% of their portfolio | 71.2m $3.3bn | Added +30.2m |
| ALTOS VENTURES MANAGEMENT, INC. 100.00% of their portfolio | 48.9m $2.2bn | Reduced -11.3m |
| VANGUARD GROUP INC 0.05% of their portfolio | 46.3m $2.1bn | Added +1.7m |
| BAILLIE GIFFORD & CO 1.01% of their portfolio | 27.7m $1.3bn | Reduced -406.5k |
| BlackRock Inc. 0.03% of their portfolio | 24.3m $1.1bn | Added +591.5k |
| Temasek Holdings (Private) Ltd 3.40% of their portfolio | 13.3m $607.6m | Added +35.1k |
| ARK Investment Management LLC 3.22% of their portfolio | 11.9m $544.4m | Reduced -67.7k |
| STATE STREET CORP 0.02% of their portfolio | 9.8m $447.0m | Added +468.7k |
| IEQ CAPITAL, LLC 7.40% of their portfolio | 9.7m $444.6m | Added +573.5k |
| Dragoneer Investment Group, LLC 9.19% of their portfolio | 9.3m $423.2m | Unchanged |
| CITADEL ADVISORS LLC 0.40% of their portfolio | 8.6m $393.9m | Added +5.9m |
| FRANKLIN RESOURCES INC 0.17% of their portfolio | 7.8m $357.0m | Added +5.2m |
| Sumitomo Mitsui Trust Group, Inc. 0.26% of their portfolio | 7.7m $353.4m | Reduced -417.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 7.0m $321.6m | Added +452.6k |
| FMR LLC 0.02% of their portfolio | 7.0m $321.6m | Reduced -350.9k |
| Amova Asset Management Americas, Inc. 2.96% of their portfolio | 6.7m $307.5m | Reduced -408.8k |
| TWO SIGMA ADVISERS, LP 0.69% of their portfolio | 6.5m $296.4m | Added +2.0m |
| HMI Capital Management, L.P. 12.19% of their portfolio | 6.1m $281.1m | Reduced -1.0m |
| Meritech Capital Associates V L.L.C. 59.92% of their portfolio | 5.4m $246.3m | Reduced -1.1m |
| RENAISSANCE TECHNOLOGIES LLC 0.36% of their portfolio | 5.1m $233.5m | Reduced -248.8k |
| NORGES BANK 0.04% of their portfolio | 4.7m $216.2m | Added +203.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 4.7m $213.6m | Added +764.4k |
| Artisan Partners Limited Partnership 0.28% of their portfolio | 3.8m $175.4m | Added +569.0k |
| TWO SIGMA INVESTMENTS, LP 0.42% of their portfolio | 3.8m $174.0m | Added +2.5m |
| 12 West Capital Management LP 15.89% of their portfolio | 3.7m $168.3m | Added +837.0k |
| GOLDMAN SACHS GROUP INC 0.03% of their portfolio | 3.4m $153.3m | Reduced -591.1k |
| VOYA INVESTMENT MANAGEMENT LLC 0.15% of their portfolio | 3.2m $147.9m | Added +2.8m |
| Jericho Capital Asset Management L.P. 4.18% of their portfolio | 3.0m $136.4m | New |
| FIRST TRUST ADVISORS LP 0.14% of their portfolio | 2.7m $125.3m | Added +2.4m |
| NORTHERN TRUST CORP 0.02% of their portfolio | 2.7m $121.9m | Reduced -15.4k |
| Holocene Advisors, LP 0.42% of their portfolio | 2.3m $106.9m | Added +1.1m |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 2.3m $104.6m | Added +884.9k |
| GILDER GAGNON HOWE & CO LLC 1.43% of their portfolio | 2.3m $104.1m | Reduced -72.2k |
| SOMA EQUITY PARTNERS LP 6.00% of their portfolio | 2.2m $102.6m | Reduced -505.4k |
| Legal & General Group Plc 0.03% of their portfolio | 2.1m $95.6m | Reduced -92.0k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.36% of their portfolio | 2.0m $91.7m | New |
| ValueAct Holdings, L.P. 1.65% of their portfolio | 1.8m $82.3m | Unchanged |
| Balyasny Asset Management L.P. 0.22% of their portfolio | 1.8m $80.1m | Added +1.0m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 1.7m $77.9m | Added +100.6k |
| Bank of New York Mellon Corp 0.02% of their portfolio | 1.7m $75.5m | Added +16.0k |
| Amundi 0.03% of their portfolio | 1.6m $69.3m | Added +919.4k |
| CITIGROUP INC 0.10% of their portfolio | 1.6m $71.9m | Added +415.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.03% of their portfolio | 1.5m $68.2m | Added +60.0k |
| MILLENNIUM MANAGEMENT LLC 0.06% of their portfolio | 1.4m $65.4m | Reduced -1.6m |
| Nuveen Asset Management, LLC 0.02% of their portfolio | 1.4m $62.5m | Reduced -2.2m |
| Accredited Investors Inc. 4.35% of their portfolio | 1.3m $61.3m | Reduced -8.5k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 1.3m $61.1m | Reduced -347.3k |
| Swiss National Bank 0.04% of their portfolio | 1.3m $60.8m | Reduced -23.5k |
| Point72 Asset Management, L.P. 0.18% of their portfolio | 1.3m $59.8m | Added +684.4k |
| Mitsubishi UFJ Trust & Banking Corp 0.13% of their portfolio | 1.2m $56.1m | Reduced -94.0k |
| Invesco Ltd. 0.01% of their portfolio | 1.2m $55.9m | Added +540.2k |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 1.0m $47.1m | Added +146.2k |
| Yiheng Capital Management, L.P. 5.70% of their portfolio | 1.0m $46.1m | Unchanged |
| VAN ECK ASSOCIATES CORP 0.08% of their portfolio | 949.8k $43.4m | Reduced -385.1k |
| APG Asset Management N.V. 0.08% of their portfolio | 941.1k $39.0m | Reduced -324.0k |
| EXCHANGE TRADED CONCEPTS, LLC 1.09% of their portfolio | 893.9k $40.9m | Reduced -351.4k |
| Atreides Management, LP 1.26% of their portfolio | 766.9k $35.1m | New |
| Woodline Partners LP 0.37% of their portfolio | 733.0k $33.5m | New |
| National Philanthropic Trust 0.83% of their portfolio | 688.7k $31.5m | First filing |
| CREDIT SUISSE AG/ 0.03% of their portfolio | 687.7k $31.4m | Reduced -46.4k |
| California Public Employees Retirement System 0.02% of their portfolio | 679.1k $31.0m | Added +883 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 664.3k $30.4m | Added +2.9k |
| RHUMBLINE ADVISERS 0.03% of their portfolio | 635.5k $29.1m | Added +17.5k |
| Tidal Investments LLC 0.67% of their portfolio | 613.8k $28.1m | Added +239.5k |
| Twin Tree Management, LP 0.51% of their portfolio | 612.1k $28.0m | Added +539.1k |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 596.4k $27.3m | Reduced -85.6k |
| StepStone Group LP 4.76% of their portfolio | 578.6k $26.5m | Added +111.0k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.06% of their portfolio | 544.1k $24.9m | Added +26.2k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 542.4k $24.8m | Added +302.5k |
| Candlestick Capital Management LP 0.78% of their portfolio | 531.7k $24.3m | New |
| TWINBEECH CAPITAL LP 0.39% of their portfolio | 527.6k $24.1m | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.11% of their portfolio | 521.5k $23.8m | Added +300.0k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.03% of their portfolio | 521.5k $23.8m | Added +12.7k |
| Strategic Family Wealth Counselors, L.L.C. 9.59% of their portfolio | 500.7k $22.9m | Unchanged |
| MANE GLOBAL CAPITAL MANAGEMENT LP 2.10% of their portfolio | 476.4k $21.8m | New |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 476.1k $21.8m | Reduced -350.9k |
| Alta Park Capital, LP 2.22% of their portfolio | 472.1k $21.6m | New |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.04% of their portfolio | 468.1k $21.4m | Added +8.8k |
| AlpInvest Partners B.V. 4.85% of their portfolio | 464.7k $21.2m | Reduced -85.3k |
| Blue Whale Capital LLP 2.68% of their portfolio | 457.0k $20.9m | New |
| UBS Group AG 0.01% of their portfolio | 445.0k $20.3m | Reduced -483.5k |
| Polar Capital Holdings Plc 0.13% of their portfolio | 444.7k $20.3m | Reduced -763.1k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 442.8k $20.3m | Added +59.3k |
| Kora Management LP 4.85% of their portfolio | 431.0k $19.7m | Unchanged |
| Erste Asset Management GmbH 0.29% of their portfolio | 430.0k $19.7m | Added +40.0k |
| BARCLAYS PLC 0.01% of their portfolio | 418.9k $19.2m | Reduced -667.4k |
| Douglas Lane & Associates, LLC 0.29% of their portfolio | 416.6k $19.0m | Reduced -105.5k |
| Jasper Ridge Partners, L.P. 0.71% of their portfolio | 386.7k $17.7m | Reduced -153.8k |
| NATIONAL BANK OF CANADA /FI/ 0.03% of their portfolio | 382.0k $16.4m | Added +372.7k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 362.0k $16.8m | Added +270.2k |
| Mirae Asset Global Investments Co., Ltd. 0.03% of their portfolio | 361.2k $16.5m | Added +56.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.02% of their portfolio | 354.7k $16.2m | Reduced -32.3k |
| READYSTATE ASSET MANAGEMENT LP 0.96% of their portfolio | 353.4k $16.2m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.03% of their portfolio | 340.1k $15.5m | Added +42.0k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.02% of their portfolio | 330.3k $15.1m | Reduced -70.7k |
| Susquehanna Portfolio Strategies, LLC 0.27% of their portfolio | 327.6k $15.0m | First filing |
| Ensign Peak Advisors, Inc 0.03% of their portfolio | 323.4k $14.8m | Added +75.4k |
| J. Goldman & Co LP 0.82% of their portfolio | 321.0k $14.7m | Reduced -252.4k |
| CI INVESTMENTS INC. 0.07% of their portfolio | 301.7k $13.8m | Added +152 |
| Renaissance Capital LLC 6.67% of their portfolio | 296.6k $13.6m | Added +64.3k |