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.
Section freshness
Price Jun 26, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
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Data freshness
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Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
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Ownership read
RIOT insider sentiment: Mixed, buy-heavy.
VANGUARD GROUP INC is the largest institutional holder. 52 sales and 68 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
RIOT
Purchases29.02M
Sales6.51M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
39.91M
VANGUARD GROUP INC
Insider stance
Mixed, buy-heavy
$50.53M sold / $64.89K bought
Latest filing
May 27, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- May 27, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 77
- 35 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
Riot Platforms, Inc. (RIOT) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data 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 %
- +147.00%
- 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 %
- +368.02%
- 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 %
- +1328.88%
- 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 | +147.00% | 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 | +368.02% | 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 | +1328.88% | 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
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
JACKMAN, WILLIAM RICHARD
CHIEF LEGAL OFFICER (CLO)
- Shares
- 394.63K
- % company
- 0.10%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
CHUNG, JASON
EVP, CORP DEV
- Shares
- 236.78K
- % company
- 0.06%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
GIBBS, JONATHAN
CDCO
- Shares
- 236.78K
- % company
- 0.06%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
YEE, COLIN M.
EVP, CFO
- Shares
- 157.85K
- % company
- 0.04%
- Price
- Not reported
- Value
- Not reported
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
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
LES, JASON
Director, CEO
- Shares
- 947.12K
- % company
- 0.25%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
LES, JASON
Director, CEO
- Shares
- 473.56K
- % company
- 0.13%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
WERNER, RYAN D.
SVP, CAO
- Shares
- 118.39K
- % company
- 0.03%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
WERNER, RYAN D.
SVP, CAO
- Shares
- 59.19K
- % company
- 0.02%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
WERNER, RYAN D.
SVP, CAO
- Shares
- 9.94K
- % company
- <0.01%
- Price
- $12.67
- Value
- $125,978
Filed Jan 1, 2026
HOWELL, STEPHEN MITCHELL JR.
COO
- Shares
- 394.63K
- % company
- 0.10%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
HOWELL, STEPHEN MITCHELL JR.
COO
- Shares
- 197.32K
- % company
- 0.05%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
JACKMAN, WILLIAM RICHARD
CHIEF LEGAL OFFICER (CLO)
- Shares
- 197.32K
- % company
- 0.05%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
CHUNG, JASON
EVP, CORP DEV
- Shares
- 473.56K
- % company
- 0.13%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
GIBBS, JONATHAN
CDCO
- Shares
- 473.56K
- % company
- 0.13%
- Price
- Not reported
- Value
- Not reported
Filed Jan 1, 2026
GIBBS, JONATHAN
CDCO
- Shares
- 60.87K
- % company
- 0.02%
- Price
- $15.48
- Value
- $942,237
Filed Dec 1, 2025
WERNER, RYAN D.
SVP, CAO
- Shares
- 14.98K
- % company
- <0.01%
- Price
- $23.00
- Value
- $344,632
Filed Oct 10, 2025
LES, JASON
Director, CEO
- Shares
- 113.95K
- % company
- 0.03%
- Price
- $20.04
- Value
- $2,283,518
Filed Oct 3, 2025
LES, JASON
Director, CEO
- Shares
- 12.80K
- % company
- <0.01%
- Price
- $20.00
- Value
- $256,000
Filed Sep 29, 2025
LES, JASON
Director, CEO
- Shares
- 23.25K
- % company
- <0.01%
- Price
- $20.04
- Value
- $465,970
Filed Sep 24, 2025
JACKMAN, WILLIAM RICHARD
EVP, GENERAL COUNSEL
- Shares
- 248.17K
- % company
- 0.07%
- Price
- $15.78
- Value
- $3,916,091
Filed Sep 10, 2025
LES, JASON
Director, CEO
- Shares
- 100.00K
- % company
- 0.03%
- Price
- $15.12
- Value
- $1,512,000
Filed Jul 21, 2025
D'AMBROSIO, LANCE VARRO
Director
- Shares
- 16.10K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jul 11, 2025
MOUTON, DOUGLAS
Director
- Shares
- 16.10K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jul 11, 2025
LEVERTON, JAIME
Director
- Shares
- 16.10K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jul 11, 2025
TURNER, MICHAEL JOHN
Director
- Shares
- 16.10K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Jul 11, 2025
WERNER, RYAN D.
SVP, CAO
- Shares
- 3.75K
- % company
- <0.01%
- Price
- $11.88
- Value
- $44,514
Filed Jul 7, 2025
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WERNER, RYAN D. SVP, CAO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 37.62K | $26.50 | $996,824 | May 27, 2026 |
| 2 | LES, JASON Director, CEO | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 175.00K | $25.19 | $4,408,250 | May 11, 2026 |
| 3 | GIBBS, JONATHAN CDCO (See Remarks) | 0.30% | SaleOpen-market or direct sale reported on Form 4. | 1.15M | Not reported | Not reported | Apr 12, 2026 |
| 4 | YI, SOO IL BENJAMIN Director, EXECUTIVE CHAIRMAN | 0.13% | PurchaseOpen-market or direct purchase reported on Form 4. | 473.56K | Not reported | Not reported | Jan 1, 2026 |
| 5 | JACKMAN, WILLIAM RICHARD CHIEF LEGAL OFFICER (CLO) | 0.10% | PurchaseOpen-market or direct purchase reported on Form 4. | 394.63K | Not reported | Not reported | Jan 1, 2026 |
| 6 | CHUNG, JASON EVP, CORP DEV | 0.06% | PurchaseOpen-market or direct purchase reported on Form 4. | 236.78K | Not reported | Not reported | Jan 1, 2026 |
| 7 | GIBBS, JONATHAN CDCO | 0.06% | PurchaseOpen-market or direct purchase reported on Form 4. | 236.78K | Not reported | Not reported | Jan 1, 2026 |
| 8 | YEE, COLIN M. EVP, CFO | 0.04% | PurchaseOpen-market or direct purchase reported on Form 4. | 157.85K | Not reported | Not reported | Jan 1, 2026 |
| 9 | HOWELL, STEPHEN MITCHELL JR. COO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 29.48K | $12.67 | $373,537 | Jan 1, 2026 |
| 10 | YI, SOO IL BENJAMIN Director, EXECUTIVE CHAIRMAN | 0.25% | PurchaseOpen-market or direct purchase reported on Form 4. | 947.12K | Not reported | Not reported | Jan 1, 2026 |
| 11 | LES, JASON Director, CEO | 0.25% | PurchaseOpen-market or direct purchase reported on Form 4. | 947.12K | Not reported | Not reported | Jan 1, 2026 |
| 12 | LES, JASON Director, CEO | 0.13% | PurchaseOpen-market or direct purchase reported on Form 4. | 473.56K | Not reported | Not reported | Jan 1, 2026 |
| 13 | WERNER, RYAN D. SVP, CAO | 0.03% | PurchaseOpen-market or direct purchase reported on Form 4. | 118.39K | Not reported | Not reported | Jan 1, 2026 |
| 14 | WERNER, RYAN D. SVP, CAO | 0.02% | PurchaseOpen-market or direct purchase reported on Form 4. | 59.19K | Not reported | Not reported | Jan 1, 2026 |
| 15 | WERNER, RYAN D. SVP, CAO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 9.94K | $12.67 | $125,978 | Jan 1, 2026 |
| 16 | HOWELL, STEPHEN MITCHELL JR. COO | 0.10% | PurchaseOpen-market or direct purchase reported on Form 4. | 394.63K | Not reported | Not reported | Jan 1, 2026 |
| 17 | HOWELL, STEPHEN MITCHELL JR. COO | 0.05% | PurchaseOpen-market or direct purchase reported on Form 4. | 197.32K | Not reported | Not reported | Jan 1, 2026 |
| 18 | JACKMAN, WILLIAM RICHARD CHIEF LEGAL OFFICER (CLO) | 0.05% | PurchaseOpen-market or direct purchase reported on Form 4. | 197.32K | Not reported | Not reported | Jan 1, 2026 |
| 19 | CHUNG, JASON EVP, CORP DEV | 0.13% | PurchaseOpen-market or direct purchase reported on Form 4. | 473.56K | Not reported | Not reported | Jan 1, 2026 |
| 20 | GIBBS, JONATHAN CDCO | 0.13% | PurchaseOpen-market or direct purchase reported on Form 4. | 473.56K | Not reported | Not reported | Jan 1, 2026 |
| 21 | GIBBS, JONATHAN CDCO | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 60.87K | $15.48 | $942,237 | Dec 1, 2025 |
| 22 | WERNER, RYAN D. SVP, CAO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 14.98K | $23.00 | $344,632 | Oct 10, 2025 |
| 23 | LES, JASON Director, CEO | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 113.95K | $20.04 | $2,283,518 | Oct 3, 2025 |
| 24 | LES, JASON Director, CEO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 12.80K | $20.00 | $256,000 | Sep 29, 2025 |
| 25 | LES, JASON Director, CEO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 23.25K | $20.04 | $465,970 | Sep 24, 2025 |
| 26 | JACKMAN, WILLIAM RICHARD EVP, GENERAL COUNSEL | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 248.17K | $15.78 | $3,916,091 | Sep 10, 2025 |
| 27 | LES, JASON Director, CEO | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 100.00K | $15.12 | $1,512,000 | Jul 21, 2025 |
| 28 | D'AMBROSIO, LANCE VARRO Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 16.10K | Not reported | Not reported | Jul 11, 2025 |
| 29 | MOUTON, DOUGLAS Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 16.10K | Not reported | Not reported | Jul 11, 2025 |
| 30 | LEVERTON, JAIME Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 16.10K | Not reported | Not reported | Jul 11, 2025 |
| 31 | TURNER, MICHAEL JOHN Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 16.10K | Not reported | Not reported | Jul 11, 2025 |
| 32 | WERNER, RYAN D. SVP, CAO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 3.75K | $11.88 | $44,514 | Jul 7, 2025 |
Showing 32 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 of RIOT, with 39.91 million shares, or about 10.49% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of RIOT?
Riot Platforms, Inc. (RIOT) has 120 institutional holders on file — 77 that increased or initiated positions and 35 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see Riot Platforms, Inc. insider transactions?
Riot Platforms, Inc. (RIOT) has 120 Form 4 insider transactions on file, most recently on May 27, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are RIOT insiders buying or selling?
Recent RIOT insider activity reads Mixed, buy-heavy: 52 sales and 68 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active RIOT insider?
LES, JASON is the most active RIOT insider by absolute share movement, with 10.60 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.