RBLX
Roblox Corp -class A
2 of the 83 super-investors we track hold RBLX, worth a combined $284M per their latest 13F filings. The largest position: Jeffrey Ubben et al at 3.0% of their portfolio. This quarter the cohort logged 0 buys and 1 sell on the name. Conviction score: 18 of 100 (how strongly the cohort backs it) — ranked #670 of 742 stocks. Conviction easing: 2 fewer super-investors hold it than in 2026Q1.
Why super-investors own RBLX
RBLX is held by 2 super-investors in our cohort, with a combined position value of $284M. The highest-conviction owner is Jeffrey Ubben et al at 3.0% of their portfolio. Cohort ownership has shrunk from 4 to 2 over the last four quarters — net interest is fading. This quarter the cohort registered 1 trimmed.
AI-synthesized from 13F filings. Not investment advice.
Cohort owners over time
2021Q1 → 2026Q2How many of the cohort members held this stock each quarter.
Owners (2) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Jeffrey Ubben et al | 3.0% | 12q | $171M | 3,147,421 |
| 2 | Joel Greenblatt | 0.1% | 22q | $113M | 2,075,525 |
Owners of RBLX also hold
Congress is trading RBLX
Congress tracker →- Gilbert Cisnerossold$1,001 - $15,000 · 2025-12-24
- Gilbert Cisnerosbought$1,001 - $15,000 · 2025-11-18
- Gilbert Cisnerosbought$1,001 - $15,000 · 2025-11-07
- Julia Letlowsold$1,001 - $15,000 · 2025-10-22 · late
- Julia Letlowbought$1,001 - $15,000 · 2025-10-16 · late
- Valerie Hoylesold$1,001 - $15,000 · 2025-09-23
STOCK Act periodic transaction reports; amounts are disclosed ranges. Who files late →
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Jeffrey Ubben et al | TRIM | 3.0% | -46% | $171M | Aug 14, 2026 |
Long US equity 13F-HR filings only. CUSIP 771049103. Not investment advice.