# ROBLOX CORP (RBLX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 771049103
Page URL: https://superinvestorclub.com/stock/RBLX
Last updated: 2026-07-08T12:26:27.122Z

## Summary

As of the most recent 13F filing period, ROBLOX CORP (RBLX) is held by 4 tracked superinvestors with an aggregate position value of $368.8M representing 058486216464291281612507 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Mason Morfit](https://superinvestorclub.com/manager/50) | ValueAct Capital | 5848621 | $330.8M | 5.79% | 2026-03-31 |
| 2 | [Henry Ellenbogen](https://superinvestorclub.com/manager/64) | Durable Capital Partners | 646429 | $36.6M | 0.38% | 2026-03-31 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 12816 | $724,873 | 0.00% | 2026-03-31 |
| 4 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 12507 | $707,396 | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $87.8M aggregate, 02300000 shares
- 2024-06-30: 1 holders, $85.6M aggregate, 02300000 shares
- 2024-09-30: 1 holders, $448.6M aggregate, 010135921 shares
- 2024-12-31: 2 holders, $833.0M aggregate, 0101359214261329 shares
- 2025-03-31: 2 holders, $713.0M aggregate, 087649213466575 shares
- 2025-06-30: 3 holders, $1.02B aggregate, 047320214588728394875 shares
- 2025-09-30: 4 holders, $1.15B aggregate, 04283221352998241154789728 shares
- 2025-12-31: 4 holders, $622.1M aggregate, 05975821116273051779820691 shares
- 2026-03-31: 4 holders, $368.8M aggregate, 058486216464291281612507 shares

## Recent congressional trades (6)

- 2025-12-24: Gil Cisneros (Democrat-CA) sale $1,001 - $15,000
- 2025-11-18: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-11-07: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-10-22: Julia Letlow (Republican-LA) sale $1,001 - $15,000
- 2025-10-16: Julia Letlow (Republican-LA) purchase $1,001 - $15,000
- 2025-06-16: Jim Banks (Republican-IN) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "ROBLOX CORP (RBLX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/RBLX), aggregating SEC 13F, Form 4, and congressional disclosures."