Ticker · CUSIP 771049103

RBLX

ROBLOX CORP
Communication Services·Electronic Gaming & Multimedia
···Share
Holders (tracked)
29
Combined shares
90,613,164
Combined value
$7.34B
Last close
$60.34
Quarter
2025Q4
Price · 1Y$60.34+0.63 (+1.06%)H $141.56 · L $51.91 · Avg Vol 9.1M
Insider sellCongress buyCongress sell
$60.00$80.00$100.00$120.00$140.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
29212024Q12025Q4
Price is -25.5% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. Reinstra Mark · Chief Legal Off. & Corp. Sec.
    2026-04-13
    Sold $1.07M @ $57.94
    Insider sell
  2. Reinstra Mark · Chief Legal Off. & Corp. Sec.
    2026-04-13
    Sold $5.8K @ $58.47
    Insider sell
  3. Kaufman Matthew D · Chief Safety Officer
    2026-04-13
    Sold $766.3K @ $57.94
    Insider sell
  4. Kaufman Matthew D · Chief Safety Officer
    2026-04-13
    Sold $5.8K @ $58.45
    Insider sell
  5. Jeremy Grantham (GMO) exited2026-02-17
    −3,220 shares · 2025Q4
    Position
  6. D.E. Shaw & Co. added2026-02-17
    +975,327 shares · 2025Q4
    Position
  7. Wellington Management added2026-02-17
    +196,484 shares · 2025Q4
    Position
  8. AQR Capital Management added2026-02-17
    +615,299 shares · 2025Q4
    Position
  9. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +274,875 shares · 2025Q4
    Position
  10. Whale Rock Capital added2026-02-17
    +385,533 shares · 2025Q4
    Position
  11. Izzy Englander (Millennium Mgmt) added2026-02-17
    +1,084,636 shares · 2025Q4
    Position
  12. ValueAct Holdings added2026-02-17
    +1,692,600 shares · 2025Q4
    Position
  13. Ken Griffin (Citadel Advisors) added2026-02-17
    +927,350 shares · 2025Q4
    Position
  14. Two Sigma Investments added2026-02-17
    +1,313,916 shares · 2025Q4
    Position
  15. Steve Cohen (Point72) trimmed2026-02-17
    −201,647 shares · 2025Q4
    Position
  16. T. Rowe Price trimmed2026-02-17
    −2,002,079 shares · 2025Q4
    Position
  17. Lee Ainslie (Maverick Capital) added2026-02-13
    +106,251 shares · 2025Q4
    Position
  18. Sands Capital Management trimmed2026-02-13
    −293,089 shares · 2025Q4
    Position
  19. George Soros (Soros Fund Mgmt) opened position2026-02-13
    +10,335 shares · 2025Q4
    Position
  20. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −69,037 shares · 2025Q4
    Position
  21. Renaissance Technologies trimmed2026-02-12
    −255,036 shares · 2025Q4
    Position
  22. Cathie Wood (ARK Invest) trimmed2026-02-11
    −478,484 shares · 2025Q4
    Position
  23. Norges Bank (Norway SWF) opened position2026-02-10
    +5,373,613 shares · 2025Q4
    Position
  24. Baillie Gifford & Co trimmed2026-01-23
    −1,753,075 shares · 2025Q4
    Position
  25. Steve Cohen (Point72) trimmed2025-11-14
    −75,991 shares · 2025Q3
    Position
  26. Two Sigma Investments trimmed2025-11-14
    −788,667 shares · 2025Q3
    Position
  27. D.E. Shaw & Co. added2025-11-14
    +98,001 shares · 2025Q3
    Position
  28. AQR Capital Management added2025-11-14
    +665,127 shares · 2025Q3
    Position
  29. Izzy Englander (Millennium Mgmt) added2025-11-14
    +103,430 shares · 2025Q3
    Position
  30. Lee Ainslie (Maverick Capital) added2025-11-14
    +16,672 shares · 2025Q3
    Position

Insider activity

Last 30 days
Net (open-market)
−$1.85M
Buys
0 · $0
Sells
4 · $1.85M
Unique insiders
2
DateInsiderCodeSharesPriceValue
04-13Reinstra Mark
Chief Legal Off. & Corp. Sec. · Officer
S18,553$57.94$1.07M
04-13Reinstra Mark
Chief Legal Off. & Corp. Sec. · Officer
S100$58.47$5.8K
04-13Kaufman Matthew D
Chief Safety Officer · Officer
S13,225$57.94$766.3K
04-13Kaufman Matthew D
Chief Safety Officer · Officer
S100$58.45$5.8K
View full insider history for RBLX →
Follow-the-investor returns
If you'd copied each holder of RBLX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Baillie Gifford & Co2022Q1$35.87+68.2%$1.30B
Sands Capital Management2024Q3$44.26+36.3%$192.1M
Cathie Wood (ARK Invest)2021Q1$45.17+33.6%$291.7M
Steve Cohen (Point72)2021Q1$48.23+25.1%$15.2M
Steve Cohen (Point72)2021Q1$48.23+25.1%$15.2M
Steve Cohen (Point72)2021Q1$48.23+25.1%$15.2M
ValueAct Holdings2023Q3$52.51+14.9%$360.6M
AQR Capital Management2023Q2$61.41-1.7%$622.3M
Norges Bank (Norway SWF)2021Q1$63.35-4.7%$324.2M
Renaissance Technologies2021Q2$65.22-7.5%$400.0M
Wellington Management2021Q3$65.44-7.8%$106.5M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.6%$17.4M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.6%$17.4M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.6%$17.4M
Whale Rock Capital2021Q2$77.00-21.6%$247.7M
George Soros (Soros Fund Mgmt)2025Q4$81.03-25.5%$624K
Izzy Englander (Millennium Mgmt)2021Q1$82.66-27.0%$12.1M
Izzy Englander (Millennium Mgmt)2021Q1$82.66-27.0%$12.1M
Izzy Englander (Millennium Mgmt)2021Q1$82.66-27.0%$12.1M
T. Rowe Price2021Q1$84.75-28.8%$235.1M
D.E. Shaw & Co.2021Q2$87.54-31.1%$47.0M
D.E. Shaw & Co.2021Q2$87.54-31.1%$47.0M
D.E. Shaw & Co.2021Q2$87.54-31.1%$47.0M
Lee Ainslie (Maverick Capital)2023Q1$94.17-35.9%$31.2M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.9%$268.6M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.9%$268.6M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.9%$268.6M
Two Sigma Investments2021Q1$113.28-46.7%$181.5M
Ray Dalio (Bridgewater Associates)2025Q3$138.52-56.4%$1.2M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions3
Added to9
Trimmed7
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
21
$39.41B
2022Q2
18
$2.84B
2022Q3
19
$3.59B
2022Q4
19
$2.99B
2023Q1
21
$4.67B
2023Q2
24
$4.09B
2023Q3
20
$2.83B
2023Q4
18
$4.76B
2024Q1
21
$3.71B
2024Q2
23
$3.73B
2024Q3
22
$4.17B
2024Q4
21
$5.44B
2025Q1
22
$5.28B
2025Q2
24
$9.27B
2025Q3
25
$11.37B
2025Q4
29
$7.34B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-12-24Gilbert CisnerosSell$1K – $15KPDF ↗
2025-11-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-11-07Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-10-22Julia LetlowSell$1K – $15KPDF ↗
2025-10-16Julia LetlowBuy$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗

Who owns RBLX

29 super-investors · 2025Q4
Tracked stake
90.61M
shares
Combined value
$7.34B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added15Trim9
#ManagerSharesValue
1Baillie Gifford & Co21.54M$1.75B
2AQR Capital Management10.31M$833M
3Renaissance Technologies6.63M$537M
4D.E. Shaw & Co.6.01M$487M
5ValueAct Holdings5.98M$484M
6Norges Bank
Norway SWF
5.37M$435M
7Cathie Wood
ARK Invest
4.83M$392M
8Ken Griffin
Citadel Advisors
4.45M$361M
9Whale Rock Capital4.11M$333M
10T. Rowe Price3.90M$316M
11Sands Capital Management3.18M$258M
12Two Sigma Investments3.01M$244M
13Izzy Englander
Millennium Mgmt
2.05M$166M
14Ken Griffin
Citadel Advisors
1.99M$161M
15Wellington Management1.76M$143M
16Ken Griffin
Citadel Advisors
1.76M$143M
17D.E. Shaw & Co.778.4K$63M
18D.E. Shaw & Co.744.3K$60M
19Lee Ainslie
Maverick Capital
517.8K$42M
20Paul Tudor Jones
Tudor Investment
288.9K$23M
21Steve Cohen
Point72
276.6K$22M
22Paul Tudor Jones
Tudor Investment
274.9K$22M
23Steve Cohen
Point72
251.7K$20M
24Steve Cohen
Point72
208.0K$17M
25Izzy Englander
Millennium Mgmt
200.5K$16M
26Paul Tudor Jones
Tudor Investment
74.9K$6M
27Izzy Englander
Millennium Mgmt
73.8K$6M
28Ray Dalio
Bridgewater Associates
20.7K$2M
29George Soros
Soros Fund Mgmt
10.3K$837K

Recent moves

20 transactions
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