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RBLX · NYSE

$52.35+$1.60 (+3.15%)TodayMarket closed · Oct 20, 7:58 PM ET

Prev close $50.75

Who owns RBLX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 37.9% of RBLX’s shares.

Fidelity Management & Research Company LLC10.0%
Vanguard Portfolio Management, LLC4.4%
BlackRock Institutional Trust Company, N.A.4.1%
Vanguard Capital Management, LLC4.1%
Next 6 largest institutions15.2%
All other shareholders62.1%

Top institutional holders of RBLX
Holder	Shares	% of shares	Change, last filing	Filed
Fidelity Management & Research Company LLC	71.90M	10.04%	+30.48M	Jun 30, 2026
Vanguard Portfolio Management, LLC	31.64M	4.42%	+1.04M	Jun 30, 2026
BlackRock Institutional Trust Company, N.A.	29.44M	4.11%	+533.93K	Jun 30, 2026
Vanguard Capital Management, LLC	29.20M	4.08%	+643.41K	Jun 30, 2026
Capital World Investors	22.71M	3.17%	+236.05K	Jun 30, 2026
Baillie Gifford & Co.	21.12M	2.95%	−298.08K	Jun 30, 2026
Morgan Stanley Investment Management Inc. (US)	16.75M	2.34%	−216.50K	Jun 30, 2026
IEQ Capital LLC	16.57M	2.31%	+44.31K	Jun 30, 2026
Capital International Investors	16.09M	2.25%	−13.09M	Jun 30, 2026
T. Rowe Price Associates, Inc.	15.74M	2.20%	−2.76M	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of RBLX
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	20.32M	2.84%	+58.88K	Jul 31, 2026
American Funds Growth Fund of America	14.71M	2.05%	−3.29M	Jun 30, 2026
Vanguard Mid-Cap Index Fund	13.81M	1.93%	−18.58K	Jul 31, 2026
Fidelity Global Innovators Class	11.13M	1.55%	+4.38M	Jun 30, 2026
Fidelity Advisor Growth Opportunities Fund	9.08M	1.27%	−542.10K	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $15.64M (73 trades) of RBLX on the open market, with no buys.

Latest RBLX insider transactions
Insider	Date	Type	Shares	Price	Value
Reinstra Mark	Oct 5, 2026	Sale	2.67K	$44.56	$118.79K
Reinstra Mark	Oct 5, 2026	Sale	3.00K	$43.88	$131.63K
Baszucki Gregory	Oct 1, 2026	Sale	5.33K	$43.03	$229.54K
Baszucki Gregory	Oct 1, 2026	Sale	3.00K	$42.57	$127.68K
Baszucki Gregory	Oct 1, 2026	Sale	5.33K	$43.03	$229.46K
Baszucki Gregory	Oct 1, 2026	Sale	3.00K	$42.57	$127.76K
Reinstra Mark	Sep 8, 2026	Sale	100	$45.73	$4.57K
Reinstra Mark	Sep 8, 2026	Sale	3.75K	$45.03	$169.00K
Reinstra Mark	Sep 8, 2026	Sale	1.92K	$44.30	$85.05K
Baszucki Gregory	Sep 1, 2026	Sale	3.15K	$40.69	$128.26K

Congressional trades

Disclosed by members of Congress over the last 12 months

RBLX trades disclosed by members of Congress
Member	Type	Amount	Traded	Filed
Gil CisnerosHouse	Sale	$1K–$15K	Dec 24, 2025	Jan 12, 2026
Gil CisnerosHouse	Purchase	$1K–$15K	Nov 18, 2025	Dec 15, 2025
Gil CisnerosHouse	Purchase	$1K–$15K	Nov 7, 2025	Dec 15, 2025
Julia LetlowHouse	Sale	$1K–$15K	Oct 22, 2025	Jan 13, 2026

Short interest

Settled Sep 30, 2026

Shares short: 27.64M
Days to cover: 2.03
% of shares outstanding: 3.86%
Average daily volume: 13.58M
Change since last report: +13.8%

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