로블록스 주식회사
MX ˙ BMV ˙ US7710491033
SecurityMX:RBLX / Roblox Corporation
InstitutionUBS Group AG
Latest Disclosed Ownership1,866,297 shares
Latest Disclosed Value $ 105,557,758
UBS Group AG ownership in RBLX / Roblox Corporation

On May 5, 2026 - UBS Group AG filed a 13F-HR form disclosing ownership of 1,866,297 shares of Roblox Corporation (MX:RBLX) valued at $105,557,758 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 2,537,094 shares of Roblox Corporation. This represents a change in shares of -26.44% during the quarter.

UBS Group AG has a history of taking positions in derivatives of the underlying security (RBLX) in the form of stock options. The firm currently holds call options representing 239,400 of underlying shares valued at $13,540,464 USD and put options representing 631,800 of underlying shares valued at $35,734,608 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:RBLX / Roblox Corporation Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-05 2026-03-31 13F ROBLOX CL A 771049103 1,866,297 -670,797 -26.44 105,558 -48.65 0.0030
2026-01-29 2025-12-31 13F ROBLOX CL A 771049103 2,537,094 946,773 59.53 205,581 -6.68 0.0333
2025-11-13 2025-09-30 13F ROBLOX CL A 771049103 1,590,321 -1,117,253 -41.26 220,291 -22.66 0.0345
2025-08-14 2025-06-30 13F ROBLOX CL A 771049103 2,707,574 1,290,265 91.04 284,837 244.78 0.0493
2025-05-13 2025-03-31 13F ROBLOX CL A 771049103 1,417,309 641,815 82.76 82,615 84.12 0.0152
2025-02-14 2024-12-31 13F ROBLOX CL A 771049103 775,494 -260,401 -25.14 44,870 -2.13 0.0083
2024-11-14 2024-09-30 13F ROBLOX CL A 771049103 1,035,895 -473,236 -31.36 45,849 -18.35 0.0100
2024-08-14 2024-06-30 13F ROBLOX CL A 771049103 1,509,131 414,597 37.88 56,155 34.38 0.0139
2024-05-13 2024-03-31 13F ROBLOX CL A 771049103 1,094,534 649,488 145.94 41,789 105.38 0.0104
2024-02-09 2023-12-31 13F ROBLOX CL A 771049103 445,046 -483,523 -52.07 20,348 -24.34 0.0061
2023-11-09 2023-09-30 13F ROBLOX CL A 771049103 928,569 263,758 39.67 26,891 0.37 0.0093
2023-08-11 2023-06-30 13F ROBLOX CL A 771049103 664,811 218,548 48.97 26,792 33.47 0.0090
2023-05-12 2023-03-31 13F ROBLOX CL A 771049103 446,263 104,326 30.51 20,073 106.27 0.0073
2023-02-08 2022-12-31 13F ROBLOX CL A 771049103 341,937 -213,470 -38.43 9,732 -51.12 0.0036
2022-11-10 2022-09-30 13F ROBLOX CL A 771049103 555,407 -183,552 -24.84 19,906 -18.02 0.0087
2022-08-10 2022-06-30 13F ROBLOX CL A 771049103 738,959 -46,807 -5.96 24,283 -33.17 0.0100
2022-05-16 2022-03-31 13F ROBLOX CL A 771049103 785,766 637,225 428.99 36,334 137.12 0.0121
2022-02-14 2021-12-31 13F ROBLOX CL A 771049103 148,541 24,721 19.97 15,323 63.81 0.0044
2021-11-15 2021-09-30 13F ROBLOX CL A 771049103 123,820 34,620 38.81 9,354 16.55 0.0029
2021-08-13 2021-06-30 13F ROBLOX CL A 771049103 89,200 86,043 2,725.47 8,026 3,815.12 0.0026
2021-05-12 2021-03-31 13F ROBLOX CL A 771049103 3,157 3,157 205 0.0001
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-05 2026-03-31 13F ROBLOX CL A Call 239,400 -56.03 13,540 -69.31 n/a n/a n/a
2026-01-29 2025-12-31 13F ROBLOX CL A Call 544,500 -4.10 44,121 -43.90 n/a n/a n/a
2025-11-13 2025-09-30 13F ROBLOX CL A Call 567,800 -57.84 78,652 -44.49 n/a n/a n/a
2025-08-14 2025-06-30 13F ROBLOX CL A Call 1,346,830 46.92 141,687 165.16 n/a n/a n/a
2025-05-13 2025-03-31 13F ROBLOX CL A Call 916,700 -39.75 53,434 -39.30 n/a n/a n/a
2025-02-14 2024-12-31 13F ROBLOX CL A Call 1,521,500 -23.07 88,034 0.57 n/a n/a n/a
2024-11-14 2024-09-30 13F ROBLOX CL A Call 1,977,671 20.42 87,532 43.24 n/a n/a n/a
2024-08-14 2024-06-30 13F ROBLOX CL A Call 1,642,265 -4.02 61,109 -6.46 n/a n/a n/a
2024-05-13 2024-03-31 13F ROBLOX CL A Call 1,710,988 18.64 65,326 -0.93 n/a n/a n/a
2024-02-09 2023-12-31 13F ROBLOX CL A Call 1,442,176 15.52 65,936 82.39 n/a n/a n/a
2023-11-09 2023-09-30 13F ROBLOX CL A Call 1,248,376 148.68 36,153 78.70 n/a n/a n/a
2023-08-11 2023-06-30 13F ROBLOX CL A Call 502,000 9.85 20,231 -1.58 n/a n/a n/a
2023-05-12 2023-03-31 13F ROBLOX CL A Call 457,000 110.58 20,556 232.82 n/a n/a n/a
2023-02-08 2022-12-31 13F ROBLOX CL A Call 217,019 2.31 6,176 -18.76 n/a n/a n/a
2022-11-10 2022-09-30 13F ROBLOX CL A Call 212,110 4.34 7,602 13.80 n/a n/a n/a
2022-08-10 2022-06-30 13F ROBLOX CL A Call 203,278 187.89 6,680 104.59 n/a n/a n/a
2022-05-16 2022-03-31 13F ROBLOX CL A Call 70,610 3,430.50 3,265 1,484.95 n/a n/a n/a
2022-02-14 2021-12-31 13F ROBLOX CL A Call 2,000 -98.52 206 -97.98 n/a n/a n/a
2021-11-15 2021-09-30 13F ROBLOX CL A Call 134,858 42.89 10,189 19.98 n/a n/a n/a
2021-08-13 2021-06-30 13F ROBLOX CL A Call 94,378 8,492 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-05 2026-03-31 13F ROBLOX CL A Put 631,800 -41.27 35,735 -59.01 n/a n/a n/a
2026-01-29 2025-12-31 13F ROBLOX CL A Put 1,075,800 3.02 87,172 -39.74 n/a n/a n/a
2025-11-13 2025-09-30 13F ROBLOX CL A Put 1,044,300 -51.13 144,656 -35.65 n/a n/a n/a
2025-08-14 2025-06-30 13F ROBLOX CL A Put 2,136,830 93.38 224,795 249.00 n/a n/a n/a
2025-05-13 2025-03-31 13F ROBLOX CL A Put 1,105,000 -32.42 64,410 -31.91 n/a n/a n/a
2025-02-14 2024-12-31 13F ROBLOX CL A Put 1,635,000 -35.34 94,601 -15.48 n/a n/a n/a
2024-11-14 2024-09-30 13F ROBLOX CL A Put 2,528,771 24.17 111,923 47.69 n/a n/a n/a
2024-08-14 2024-06-30 13F ROBLOX CL A Put 2,036,565 -9.14 75,781 -11.45 n/a n/a n/a
2024-05-13 2024-03-31 13F ROBLOX CL A Put 2,241,434 14.04 85,578 -4.77 n/a n/a n/a
2024-02-09 2023-12-31 13F ROBLOX CL A Put 1,965,500 20.57 89,863 90.35 n/a n/a n/a
2023-11-09 2023-09-30 13F ROBLOX CL A Put 1,630,200 165.72 47,211 90.95 n/a n/a n/a
2023-08-11 2023-06-30 13F ROBLOX CL A Put 613,500 -24.12 24,724 -32.01 n/a n/a n/a
2023-05-12 2023-03-31 13F ROBLOX CL A Put 808,500 23.25 36,366 94.79 n/a n/a n/a
2023-02-08 2022-12-31 13F ROBLOX CL A Put 656,000 17.99 18,670 -6.31 n/a n/a n/a
2022-11-10 2022-09-30 13F ROBLOX CL A Put 556,000 0.00 19,927 9.07 n/a n/a n/a
2022-08-10 2022-06-30 13F ROBLOX CL A Put 556,000 -33.49 18,270 -52.74 n/a n/a n/a
2022-05-16 2022-03-31 13F ROBLOX CL A Put 836,000 1,186.15 38,657 476.54 n/a n/a n/a
2022-02-14 2021-12-31 13F ROBLOX CL A Put 65,000 6,705 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.