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Ken Griffin's Roblox Corporation (RBLX) position

Yes: as of Q1 2026, Ken Griffin holds 504K shares of RBLX worth $28M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$28M
Shares held
504K
% of portfolio
0.0%
Est. average buy price (i)
$73.83
est. since Q1 2022
Quarter-end price
$56.56

Estimated trade prices

Average price in quarters with purchases
$43.74
Average prices in quarters with sales
  • Q1 2026: $67.16 (1.3M shares sold)
  • Q3 2025: $124.28 (649K shares sold)
  • Q2 2025: $78.55 (891K shares sold)
  • Q1 2025: $62.86 (930K shares sold)
  • Q3 2024: $41.71 (2.2M shares sold)
  • Q2 2024: $35.60 (169K shares sold)
  • Q1 2024: $40.58 (3.4M shares sold)
  • Q2 2023: $40.14 (1.6M shares sold)
  • Q1 2023: $38.22 (694K shares sold)
  • Q3 2022: $41.36 (4.1M shares sold)

RBLX price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$20$50$100$15020222023202420252026Added 42K shares (2.1%) · Q3 2021. Average closing price $82.10 · Price range $75.55–$90.3442KsharespurchasedAdded 3.8M shares (365.2%) · Q2 2022. Average closing price $33.59 · Price range $23.19–$50.023.8MsharespurchasedSold 4.1M shares (84.3%) · Q3 2022. Average closing price $41.36 · Price range $35.07–$51.154.1MsharessoldAdded 2.0M shares (268.0%) · Q4 2022. Average closing price $35.12 · Price range $26.16–$46.502.0MsharespurchasedSold 694K shares (24.7%) · Q1 2023. Average closing price $38.22 · Price range $27.85–$45.33694KsharessoldSold 1.6M shares (77.5%) · Q2 2023. Average closing price $40.14 · Price range $34.23–$46.431.6MsharessoldAdded 2.2M shares (471.4%) · Q3 2023. Average closing price $33.23 · Price range $25.31–$45.542.2MsharespurchasedAdded 5.9M shares (217.4%) · Q4 2023. Average closing price $36.95 · Price range $28.42–$46.855.9MsharespurchasedSold 3.4M shares (39.6%) · Q1 2024. Average closing price $40.58 · Price range $36.20–$44.873.4MsharessoldSold 169K shares (3.3%) · Q2 2024. Average closing price $35.60 · Price range $30.42–$40.54169KsharessoldSold 2.2M shares (43.0%) · Q3 2024. Average closing price $41.71 · Price range $36.18–$47.642.2MsharessoldAdded 432K shares (15.0%) · Q4 2024. Average closing price $50.32 · Price range $39.86–$61.45432KsharespurchasedSold 930K shares (28.2%) · Q1 2025. Average closing price $62.86 · Price range $53.77–$75.47930KsharessoldSold 891K shares (37.5%) · Q2 2025. Average closing price $78.55 · Price range $51.22–$105.59891KsharessoldSold 649K shares (43.8%) · Q3 2025. Average closing price $124.28 · Price range $100.65–$141.56649KsharessoldAdded 927K shares (111.3%) · Q4 2025. Average closing price $106.17 · Price range $80.99–$138.56927KsharespurchasedSold 1.3M shares (71.4%) · Q1 2026. Average closing price $67.16 · Price range $51.91–$87.281.3Msharessold← Earlier —1 purchase
Average closing price · filing quarter
$67.16
Price range · filing quarter
$51.91 – $87.28
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −1.3M −$84M −71.4% 504K May 15, 2026
Q4 2025 Added +927K +$98M +111.3% 1.8M Feb 17, 2026
Q3 2025 Reduced −649K −$81M −43.8% 833K Nov 14, 2025
Q2 2025 Reduced −891K −$70M −37.5% 1.5M Aug 14, 2025
Q1 2025 Reduced −930K −$58M −28.2% 2.4M May 15, 2025
Q4 2024 Added +432K +$22M +15.0% 3.3M Feb 14, 2025
Q3 2024 Reduced −2.2M −$90M −43.0% 2.9M Nov 14, 2024
Q2 2024 Reduced −169K −$6.0M −3.3% 5.0M Aug 14, 2024
Q1 2024 Reduced −3.4M −$139M −39.6% 5.2M May 15, 2024
Q4 2023 Added +5.9M +$218M +217.4% 8.6M Feb 14, 2024
Q3 2023 Added +2.2M +$74M +471.4% 2.7M Nov 14, 2023
Q2 2023 Reduced −1.6M −$66M −77.5% 475K Aug 14, 2023
Q1 2023 Reduced −694K −$27M −24.7% 2.1M May 15, 2023
Q4 2022 Added +2.0M +$72M +268.0% 2.8M Feb 14, 2023
Q3 2022 Reduced −4.1M −$169M −84.3% 762K Nov 14, 2022
Q2 2022 Added +3.8M +$128M +365.2% 4.9M Aug 15, 2022
Q1 2022 First covered – – – 1.0M May 16, 2022
Q4 2021 First covered – – – 763K Feb 14, 2022
Q3 2021 Added +42K +$3.4M +2.1% 2.0M Nov 15, 2021
Q2 2021 Added +1.6M +$127M +414.9% 2.0M Aug 16, 2021
Q1 2021 First covered – – – 380K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

More Griffin positions

NVIDIA Corporation(NVDA)
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Amazon.com, Inc.(AMZN)
$1.7B
1.2% of portfolio

Micron Technology, Inc.(MU)
$1.6B
1.1% of portfolio

Taiwan Semiconductor Manufacturing Company Limited(TSM)
$1.4B
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Apple Inc.(AAPL)
$1.3B
0.9% of portfolio

Meta Platforms, Inc.(META)
$1.0B
0.7% of portfolio

Common questions

Does Ken Griffin own RBLX?

Yes. As of Q1 2026, Ken Griffin disclosed 504K shares of RBLX, worth $28M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy RBLX?

Ken Griffin held RBLX since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell RBLX?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in RBLX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of RBLX does Ken Griffin own?

Ken Griffin disclosed 504K shares of RBLX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for RBLX?

Ken Griffin began building the RBLX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.