Roblox Corporation
Roblox Corporation (RBLX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · RBLX · as of Mar 31, 2025
Ownership Breakdown
854
Institutional Holders
▲ 46 vs Q4
$28.50B
Total Inst. Value
▲ $1.15B vs Q4
715.98M
Shares Outstanding
freeFloat 90.03%
489.02M
13F Shares Held
▲ 16.40M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
RBLX largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-prepackaged software | 57.64M | 8.58% | 8.58% | $3.36T | May 9, 2025 | ▲ 4.40M |
FMR LLC services-prepackaged software | 43.86M | 6.53% | 6.53% | $2.56T | May 12, 2025 | ▲ 4.20M |
BLACKROCK, INC. services-prepackaged software | 29.72M | 4.42% | 4.42% | $1.73T | May 2, 2025 | ▲ 203.7K |
BAILLIE GIFFORD & CO services-prepackaged software | 27.48M | 4.09% | 4.09% | $1.60T | May 7, 2025 | ▼ 553.2K |
MORGAN STANLEY services-prepackaged software | 21.49M | 3.20% | 3.20% | $1.25T | May 15, 2025 | ▼ 4.25M |
IEQ CAPITAL, LLC services-prepackaged software | 18.89M | 2.81% | 2.81% | $1.10T | May 14, 2025 | ▲ 2.30M |
TEMASEK HOLDINGS (PRIVATE) LTD services-prepackaged software | 11.55M | 1.72% | 1.72% | $673.51B | May 16, 2025 | ▼ 1.04M |
STATE STREET CORP services-prepackaged software | 11.33M | 1.69% | 1.69% | $660.68B | May 15, 2025 | ▲ 85.6K |
CAPITAL WORLD INVESTORS services-prepackaged software | 9.55M | 1.42% | 1.42% | $556.73B | May 12, 2025 | ▲ 9.54M |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 9.21M | 1.37% | 1.37% | $535.49B | May 13, 2025 | ▲ 626.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
21
Increased
+40.67M shares2
New Positions
first time holders27
Decreased
−28.53M shares0
Sold Out
fully exitedNet shares change (top 50)
+12.14M
+40.67M / −28.53M
Net new holders
-4
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
RBLX insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
12
Buy transactions
42
Sell transactions
0.29
Buy/Sell ratio
$3M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Baszucki Gregory director | Jun 1, 2026 | Sale | 5,200 | $46.32 | $240.9K | 8.97M | Form 4 ↗ |
Baszucki Gregory director | Jun 1, 2026 | Sale | 3,133 | $47.14 | $147.7K | 8.97M | Form 4 ↗ |
Baszucki Gregory director | Jun 1, 2026 | Sale | 5,200 | $46.32 | $240.9K | 1.29M | Form 4 ↗ |
Baszucki Gregory director | Jun 1, 2026 | Sale | 3,133 | $47.14 | $147.7K | 1.29M | Form 4 ↗ |
Lee Anthony P director | May 28, 2026 | Award | 5,185 | — | — | 5.2K | Form 4 ↗ |
Mastantuono Gina director | May 28, 2026 | Award | 5,185 | — | — | 19.6K | Form 4 ↗ |
Mastantuono Gina director | May 27, 2026 | J-Other | 1,126 | — | — | 14.4K | Form 4 ↗ |
Mastantuono Gina director | May 27, 2026 | J-Other | 1,126 | — | — | 4.5K | Form 4 ↗ |
Baszucki Gregory director | May 28, 2026 | Award | 5,185 | — | — | 5.2K | Form 4 ↗ |
Baszucki Gregory director | May 27, 2026 | J-Other | 1,126 | — | — | 4.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Roblox Corporation (RBLX) is primarily owned by institutional investors, who hold approximately 68.3% of total shares outstanding. Company insiders own approximately 9.97%, while retail and public investors account for the remaining 21.73%.
The largest institutional shareholder of Roblox Corporation is VANGUARD GROUP INC, holding approximately 57.64 million shares — equal to 8.58% of outstanding shares — as of March 31, 2025.
A total of 854 institutional investors currently hold RBLX stock, with a combined institutional value of approximately $28.50 billion as of the most recent 13F filing period.
Frequently asked questions
RBLX ownershipRoblox Corporation (RBLX) is primarily owned by institutional investors, who hold approximately 68.3% of shares. The largest shareholder is VANGUARD GROUP INC with a 8.58% stake. Company insiders hold 9.97%. Data sourced from SEC Form 13F as of March 31, 2025.