VANGUARD GROUP INC
Rank #1
10.5%
- Shares
- 39.91M
- Change
- +334.39K
- Change %
- +84.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · FINANCIAL SERVICES · Holders
Riot Platforms, Inc. (RIOT) Institutional Ownership & Insider Trading History
Top RIOT institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Ownership read
RIOT insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 52 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
RIOT
Purchases—
Sales6.51M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
39.91M
VANGUARD GROUP INC
Insider stance
Net selling
$50.53M sold / — bought
Latest filing
May 27, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 27, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 77
- 35 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
Riot Platforms, Inc. (RIOT) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
7.80%
- Shares
- 29.65M
- Change
- +545.28K
- Change %
- +1.87%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
5.70%
- Shares
- 21.69M
- Change
- +21.69M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STARBOARD VALUE LP
Rank #4
4.09%
- Shares
- 15.54M
- Change
- +2.80M
- Change %
- +21.97%
- Filing
- Mar 31, 2026
Increased
FMR LLC
Rank #5
3.95%
- Shares
- 15.01M
- Change
- +2.22M
- Change %
- +17.34%
- Filing
- Mar 31, 2026
Increased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #6
3.91%
- Shares
- 14.87M
- Change
- +14.87M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
SITUATIONAL AWARENESS LP
Rank #7
3.02%
- Shares
- 11.50M
- Change
- +5.33M
- Change %
- +86.49%
- Filing
- Mar 31, 2026
Increased
SITUATIONAL AWARENESS PARTNERS LP
Rank #8
3.02%
- Shares
- 11.50M
- Change
- +11.50M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
NOMURA HOLDINGS INC
Rank #9
2.60%
- Shares
- 9.91M
- Change
- +4.81M
- Change %
- +94.32%
- Filing
- Mar 31, 2026
Increased
STATE STREET CORP
Rank #10
2.42%
- Shares
- 9.19M
- Change
- +282.70K
- Change %
- +3.17%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #11
2.36%
- Shares
- 8.96M
- Change
- +129.84K
- Change %
- +1.47%
- Filing
- Mar 31, 2026
Increased
JANE STREET GROUP
Rank #12
1.94%
- Shares
- 7.39M
- Change
- +2.42M
- Change %
- +48.73%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #13
1.84%
- Shares
- 7.02M
- Change
- +1.87M
- Change %
- +36.38%
- Filing
- Mar 31, 2026
Increased
D. E. SHAW & CO.
Rank #14
1.43%
- Shares
- 5.46M
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
VALUE ALIGNED RESEARCH ADVISORS
Rank #15
1.36%
- Shares
- 5.18M
- Change
- -4.45M
- Change %
- -46.21%
- Filing
- Mar 31, 2026
Decreased
MIZUHO MARKETS AMERICAS LLC
Rank #16
1.33%
- Shares
- 5.06M
- Change
- +809.00K
- Change %
- +19.03%
- Filing
- Mar 31, 2026
Increased
BANK OF AMERICA CORP
Rank #17
1.06%
- Shares
- 4.04M
- Change
- +3.17M
- Change %
- +3.68%
- Filing
- Mar 31, 2026
Increased
T. ROWE PRICE INVESTMENT MANAGEMENT
Rank #18
1.01%
- Shares
- 3.84M
- Change
- -443.07K
- Change %
- -10.35%
- Filing
- Mar 31, 2026
Decreased
GOLDMAN SACHS GROUP INC
Rank #19
1.00%
- Shares
- 3.81M
- Change
- -1.05M
- Change %
- -21.68%
- Filing
- Mar 31, 2026
Decreased
AZORA CAPITAL LP
Rank #20
0.98%
- Shares
- 3.73M
- Change
- +3.47M
- Change %
- +13.29%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.5% | 39.91M | +334.39K Increased | +84.00% | Dec 31, 2025 | |
| 2 | 7.80% | 29.65M | +545.28K Increased | +1.87% | Mar 31, 2026 | |
| 3 | 5.70% | 21.69M | +21.69M Initiated | — | Mar 31, 2026 | |
| 4 | STARBOARD VALUE LP | 4.09% | 15.54M | +2.80M Increased | +21.97% | Mar 31, 2026 |
| 5 | 3.95% | 15.01M | +2.22M Increased | +17.34% | Mar 31, 2026 | |
| 6 | 3.91% | 14.87M | +14.87M Initiated | — | Mar 31, 2026 | |
| 7 | SITUATIONAL AWARENESS LP | 3.02% | 11.50M | +5.33M Increased | +86.49% | Mar 31, 2026 |
| 8 | SITUATIONAL AWARENESS PARTNERS LP | 3.02% | 11.50M | +11.50M Initiated | — | Mar 31, 2026 |
| 9 | NOMURA HOLDINGS INC | 2.60% | 9.91M | +4.81M Increased | +94.32% | Mar 31, 2026 |
| 10 | 2.42% | 9.19M | +282.70K Increased | +3.17% | Mar 31, 2026 | |
| 11 | 2.36% | 8.96M | +129.84K Increased | +1.47% | Mar 31, 2026 | |
| 12 | JANE STREET GROUP | 1.94% | 7.39M | +2.42M Increased | +48.73% | Mar 31, 2026 |
| 13 | 1.84% | 7.02M | +1.87M Increased | +36.38% | Mar 31, 2026 | |
| 14 | 1.43% | 5.46M | — Unchanged | 0.00% | Mar 31, 2026 | |
| 15 | VALUE ALIGNED RESEARCH ADVISORS | 1.36% | 5.18M | -4.45M Decreased | -46.21% | Mar 31, 2026 |
| 16 | MIZUHO MARKETS AMERICAS LLC | 1.33% | 5.06M | +809.00K Increased | +19.03% | Mar 31, 2026 |
| 17 | 1.06% | 4.04M | +3.17M Increased | +3.68% | Mar 31, 2026 | |
| 18 | 1.01% | 3.84M | -443.07K Decreased | -10.35% | Mar 31, 2026 | |
| 19 | 1.00% | 3.81M | -1.05M Decreased | -21.68% | Mar 31, 2026 | |
| 20 | AZORA CAPITAL LP | 0.98% | 3.73M | +3.47M Increased | +13.29% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Riot Platforms, Inc. (RIOT) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
WERNER, RYAN D.
SVP, CAO
- Shares
- 37.62K
- % company
- <0.01%
- Price
- $26.50
- Value
- $996,824
Filed May 27, 2026
LES, JASON
Director, CEO
- Shares
- 175.00K
- % company
- 0.05%
- Price
- $25.19
- Value
- $4,408,250
Filed May 11, 2026
GIBBS, JONATHAN
CDCO (See Remarks)
- Shares
- 1.15M
- % company
- 0.30%
- Price
- Not reported
- Value
- Not reported
Filed Apr 12, 2026
YI, SOO IL BENJAMIN
Director, EXECUTIVE CHAIRMAN
- Shares
- 473.56K
- % company
- 0.13%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
JACKMAN, WILLIAM RICHARD
CHIEF LEGAL OFFICER (CLO)
- Shares
- 394.63K
- % company
- 0.10%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
CHUNG, JASON
EVP, CORP DEV
- Shares
- 236.78K
- % company
- 0.06%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
GIBBS, JONATHAN
CDCO
- Shares
- 236.78K
- % company
- 0.06%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
YEE, COLIN M.
EVP, CFO
- Shares
- 157.85K
- % company
- 0.04%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
HOWELL, STEPHEN MITCHELL JR.
COO
- Shares
- 29.48K
- % company
- <0.01%
- Price
- $12.67
- Value
- $373,537
Filed Jan 1, 2026
YI, SOO IL BENJAMIN
Director, EXECUTIVE CHAIRMAN
- Shares
- 947.12K
- % company
- 0.25%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
LES, JASON
Director, CEO
- Shares
- 947.12K
- % company
- 0.25%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
LES, JASON
Director, CEO
- Shares
- 473.56K
- % company
- 0.13%
- Price
- No cash value
- Value
- No cash value
Filed Jan 1, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WERNER, RYAN D. SVP, CAO | <0.01% | Sale to issuer | 37.62K | $26.50 | $996,824 | May 27, 2026 |
| 2 | LES, JASON Director, CEO | 0.05% | Sale to issuer | 175.00K | $25.19 | $4,408,250 | May 11, 2026 |
| 3 | GIBBS, JONATHAN CDCO (See Remarks) | 0.30% | Sale to issuer | 1.15M | Not reported | Not reported | Apr 12, 2026 |
| 4 | YI, SOO IL BENJAMIN Director, EXECUTIVE CHAIRMAN | 0.13% | Award / grant | 473.56K | No cash value | No cash value | Jan 1, 2026 |
| 5 | JACKMAN, WILLIAM RICHARD CHIEF LEGAL OFFICER (CLO) | 0.10% | Award / grant | 394.63K | No cash value | No cash value | Jan 1, 2026 |
| 6 | CHUNG, JASON EVP, CORP DEV | 0.06% | Award / grant | 236.78K | No cash value | No cash value | Jan 1, 2026 |
| 7 | GIBBS, JONATHAN CDCO | 0.06% | Award / grant | 236.78K | No cash value | No cash value | Jan 1, 2026 |
| 8 | YEE, COLIN M. EVP, CFO | 0.04% | Award / grant | 157.85K | No cash value | No cash value | Jan 1, 2026 |
| 9 | HOWELL, STEPHEN MITCHELL JR. COO | <0.01% | Sale to issuer | 29.48K | $12.67 | $373,537 | Jan 1, 2026 |
| 10 | YI, SOO IL BENJAMIN Director, EXECUTIVE CHAIRMAN | 0.25% | Award / grant | 947.12K | No cash value | No cash value | Jan 1, 2026 |
| 11 | LES, JASON Director, CEO | 0.25% | Award / grant | 947.12K | No cash value | No cash value | Jan 1, 2026 |
| 12 | LES, JASON Director, CEO | 0.13% | Award / grant | 473.56K | No cash value | No cash value | Jan 1, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest RIOT shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded RIOT ownership feed, with 39.91 million shares, or about 10.49% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of RIOT?
The current TECHi snapshot has 120 loaded institutional rows for Riot Platforms, Inc.. 77 rows are marked increased or initiated, while 35 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Riot Platforms, Inc. insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for RIOT, with the latest insider filing dated May 27, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are RIOT insiders buying or selling?
The loaded RIOT Form 4 rows currently read Net selling: 52 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active RIOT insider in the loaded filings?
LES, JASON is the most active insider by absolute share movement in the loaded RIOT rows, with 10.60 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.