Riot Platforms, Inc. (RIOT)
Nasdaq: RIOT · Finance Services · Castle Rock, CO · filing with the SEC since 2002
Who owns Riot Platforms, Inc.
As filed with the SECHolders of 5% or more
3
Fmr LLC holds 7.6% of COMMON STOCK, as its SCHEDULE 13G/A filed Aug 6, 2026 says.
Directors and officers
12
report now, of 35 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Fmr LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · COMMON STOCK · 5.9% in May 6, 2026
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Jane Street Group, LLC
SCHEDULE 13G · filed May 11, 2026 · Common Stock, no par value per share · 3.2% in Feb 4, 2026
Goldman Sachs Group Inc.
SCHEDULE 13G/A · filed Aug 14, 2025 · Common Stock, no par value per share · reported falling below 5%, from 5.3% in May 12, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What RIOT reports owning in othersstakes of 5% or more, and other ties
Keel Infrastructure Corp. KEEL
SCHEDULE 13D/A · filed Aug 18, 2025 · Common Shares · reported falling below 5%
Other ties the annual report names
Block Mining Inc
A company bought · acquisition · Jun 2025 · owns, named in the 10-K filed Mar 2, 2026
Acquisition of ESSMetron
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
E4A Solutions
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
Rhodium Asset Acquisition
A company bought · asset acquisition · owns, named in the 10-K filed Mar 2, 2026
TXUPower Supply Agreement
A company bought · acquisition · owns, named in the 10-K filed Mar 2, 2026
5 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 2, 2026.
Insider tradesForm 4
11sales
0purchases
11sales on a scheduled plan
2people selling
$12.1Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 37 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Les Jason | CEO | 3 | $8.6M | 3 | 0 | $0 |
| Werner Ryan D. | SVP, CAO | 8 | $3.5M | 8 | 0 | $0 |