VANGUARD GROUP INC
Rank #1
10.5%
- Shares
- 39.91M
- Change
- +334.39K
- Change %
- +84.00%
- Filing
- Dec 31, 2025
Increased
Recent
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live pathsNASDAQ · FINANCIAL SERVICES · Holders
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
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
Ownership read
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
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
Top 120 institutional holders
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #1
10.5%
Increased
BLACKROCK
Rank #2
7.80%
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
5.70%
Initiated
STARBOARD VALUE LP
Rank #4
4.09%
Increased
FMR LLC
Rank #5
3.95%
Increased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #6
3.91%
Initiated
SITUATIONAL AWARENESS LP
Rank #7
3.02%
Increased
SITUATIONAL AWARENESS PARTNERS LP
Rank #8
3.02%
Initiated
NOMURA HOLDINGS INC
Rank #9
2.60%
Increased
STATE STREET CORP
Rank #10
2.42%
Increased
GEODE CAPITAL MANAGEMENT
Rank #11
2.36%
Increased
JANE STREET GROUP
Rank #12
1.94%
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #13
1.84%
Increased
D. E. SHAW & CO.
Rank #14
1.43%
Unchanged
VALUE ALIGNED RESEARCH ADVISORS
Rank #15
1.36%
Decreased
MIZUHO MARKETS AMERICAS LLC
Rank #16
1.33%
Increased
BANK OF AMERICA CORP
Rank #17
1.06%
Increased
T. ROWE PRICE INVESTMENT MANAGEMENT
Rank #18
1.01%
Decreased
GOLDMAN SACHS GROUP INC
Rank #19
1.00%
Decreased
AZORA CAPITAL LP
Rank #20
0.98%
Increased
WESTFIELD CAPITAL MANAGEMENT CO LP
Rank #21
0.92%
Initiated
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #22
0.84%
Decreased
MORGAN STANLEY
Rank #23
0.80%
Decreased
NORTHERN TRUST CORP
Rank #24
0.80%
Increased
PRINCIPAL FINANCIAL GROUP INC
Rank #25
0.78%
Increased
CITADEL ADVISORS LLC
Rank #26
0.76%
Increased
AMERIPRISE FINANCIAL INC
Rank #27
0.73%
Increased
VAN ECK ASSOCIATES CORP
Rank #28
0.72%
Decreased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #29
0.72%
Increased
INVESCO LTD.
Rank #30
0.71%
Decreased
DEFIANCE ETFS
Rank #31
0.71%
Initiated
CONNOR
Rank #32
0.69%
Increased
CIBC WORLD MARKETS CORP
Rank #33
0.66%
Increased
TIDAL INVESTMENTS LLC
Rank #34
0.63%
Increased
UBS GROUP AG
Rank #35
0.58%
Decreased
AMERICAN CENTURY COMPANIES INC
Rank #36
0.56%
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #37
0.55%
Initiated
MOORE CAPITAL MANAGEMENT
Rank #38
0.53%
Initiated
CIBC BANCORP USA INC.
Rank #39
0.49%
Increased
MARK ASSET MANAGEMENT LP
Rank #40
0.46%
Increased
WELLINGTON MANAGEMENT GROUP LLP
Rank #41
0.43%
Increased
SENATOR INVESTMENT GROUP LP
Rank #42
0.39%
Initiated
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
Rank #43
0.38%
Decreased
BROAD PEAK INVESTMENT ADVISERS PTE LTD
Rank #44
0.38%
Increased
JPMORGAN CHASE & CO
Rank #45
0.34%
Increased
MILLENNIUM MANAGEMENT LLC
Rank #46
0.33%
Increased
BANK OF NEW YORK MELLON CORP
Rank #47
0.30%
Decreased
EXCHANGE TRADED CONCEPTS
Rank #48
0.29%
Decreased
VIDENT ADVISORY
Rank #49
0.24%
Decreased
NUVEEN
Rank #50
0.23%
Decreased
CLEARFIELD CAPITAL MANAGEMENT LP
Rank #51
0.23%
Increased
BIT CAPITAL GMBH
Rank #52
0.21%
Decreased
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
Rank #53
0.21%
Initiated
SUSQUEHANNA INTERNATIONAL GROUP
Rank #54
0.21%
Decreased
SEGALL BRYANT & HAMILL
Rank #55
0.19%
Increased
IMC-CHICAGO
Rank #56
0.18%
Decreased
UBS AM
Rank #57
0.18%
Increased
SWISS NATIONAL BANK
Rank #58
0.18%
Increased
LMR PARTNERS LLP
Rank #59
0.17%
Initiated
AQR CAPITAL MANAGEMENT LLC
Rank #60
0.17%
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 |
| 21 | WESTFIELD CAPITAL MANAGEMENT CO LP | 0.92% | 3.50M | +3.50M Initiated | — | Mar 31, 2026 |
| 22 | 0.84% | 3.19M | -163.18K Decreased | -4.87% | Mar 31, 2026 | |
| 23 | 0.80% | 3.04M | -1.02M Decreased | -25.11% | Mar 31, 2026 | |
| 24 | 0.80% | 3.03M | +240.51K Increased | +8.63% | Mar 31, 2026 | |
| 25 | PRINCIPAL FINANCIAL GROUP INC | 0.78% | 2.96M | +1.05M Increased | +55.00% | Mar 31, 2026 |
| 26 | CITADEL ADVISORS LLC | 0.76% | 2.91M | +1.29M Increased | +79.78% | Mar 31, 2026 |
| 27 | AMERIPRISE FINANCIAL INC | 0.73% | 2.79M | +2.69M Increased | +2782.89% | Mar 31, 2026 |
| 28 | VAN ECK ASSOCIATES CORP | 0.72% | 2.74M | -347.81K Decreased | -11.25% | Mar 31, 2026 |
| 29 | MASSACHUSETTS FINANCIAL SERVICES CO | 0.72% | 2.72M | +439.91K Increased | +19.25% | Mar 31, 2026 |
| 30 | 0.71% | 2.71M | -74.08K Decreased | -2.66% | Mar 31, 2026 | |
| 31 | DEFIANCE ETFS | 0.71% | 2.71M | +2.71M Initiated | — | Mar 31, 2026 |
| 32 | CONNOR | 0.69% | 2.64M | +1.09M Increased | +70.97% | Mar 31, 2026 |
| 33 | CIBC WORLD MARKETS CORP | 0.66% | 2.52M | +2.48M Increased | +6092.98% | Dec 31, 2025 |
| 34 | TIDAL INVESTMENTS LLC | 0.63% | 2.39M | +359.82K Increased | +17.68% | Mar 31, 2026 |
| 35 | 0.58% | 2.21M | -743.86K Decreased | -25.16% | Mar 31, 2026 | |
| 36 | AMERICAN CENTURY COMPANIES INC | 0.56% | 2.15M | +830.36K Increased | +63.01% | Mar 31, 2026 |
| 37 | 0.55% | 2.11M | +2.11M Initiated | — | Mar 31, 2026 | |
| 38 | MOORE CAPITAL MANAGEMENT | 0.53% | 2.01M | +2.01M Initiated | — | Mar 31, 2026 |
| 39 | CIBC BANCORP USA INC. | 0.49% | 1.87M | +1.83M Increased | +4922.97% | Mar 31, 2026 |
| 40 | MARK ASSET MANAGEMENT LP | 0.46% | 1.74M | +307.03K Increased | +21.42% | Mar 31, 2026 |
| 41 | 0.43% | 1.62M | +262.08K Increased | +19.32% | Mar 31, 2026 | |
| 42 | SENATOR INVESTMENT GROUP LP | 0.39% | 1.50M | +1.50M Initiated | — | Mar 31, 2026 |
| 43 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0.38% | 1.45M | -330.70K Decreased | -18.54% | Mar 31, 2026 |
| 44 | BROAD PEAK INVESTMENT ADVISERS PTE LTD | 0.38% | 1.45M | +40.00K Increased | +2.84% | Mar 31, 2026 |
| 45 | 0.34% | 1.31M | +92.28K Increased | +7.58% | Mar 31, 2026 | |
| 46 | MILLENNIUM MANAGEMENT LLC | 0.33% | 1.24M | +624.98K Increased | +101.80% | Mar 31, 2026 |
| 47 | BANK OF NEW YORK MELLON CORP | 0.30% | 1.15M | -110.20K Decreased | -8.74% | Mar 31, 2026 |
| 48 | EXCHANGE TRADED CONCEPTS | 0.29% | 1.11M | -105.08K Decreased | -8.68% | Mar 31, 2026 |
| 49 | VIDENT ADVISORY | 0.24% | 918.75K | -296.72K Decreased | -24.41% | Mar 31, 2026 |
| 50 | NUVEEN | 0.23% | 892.73K | -431.08K Decreased | -32.56% | Mar 31, 2026 |
| 51 | CLEARFIELD CAPITAL MANAGEMENT LP | 0.23% | 879.18K | +476.78K Increased | +118.48% | Mar 31, 2026 |
| 52 | BIT CAPITAL GMBH | 0.21% | 813.84K | -23.45K Decreased | -2.80% | Mar 31, 2026 |
| 53 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.21% | 806.00K | +806.00K Initiated | — | Mar 31, 2026 |
| 54 | SUSQUEHANNA INTERNATIONAL GROUP | 0.21% | 783.33K | -533.35K Decreased | -40.51% | Mar 31, 2026 |
| 55 | SEGALL BRYANT & HAMILL | 0.19% | 712.22K | +114.54K Increased | +19.16% | Mar 31, 2026 |
| 56 | IMC-CHICAGO | 0.18% | 699.78K | -188.64K Decreased | -21.23% | Mar 31, 2026 |
| 57 | 0.18% | 683.90K | +32.38K Increased | +4.97% | Mar 31, 2026 | |
| 58 | SWISS NATIONAL BANK | 0.18% | 671.80K | +2.60K Increased | +39.00% | Mar 31, 2026 |
| 59 | LMR PARTNERS LLP | 0.17% | 654.09K | +654.09K Initiated | — | Mar 31, 2026 |
| 60 | AQR CAPITAL MANAGEMENT LLC | 0.17% | 633.79K | +510.75K Increased | +415.09% | Mar 31, 2026 |
Recent insider transactions
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
WERNER, RYAN D.
SVP, CAO
Filed May 27, 2026
LES, JASON
Director, CEO
Filed May 11, 2026
GIBBS, JONATHAN
CDCO (See Remarks)
Filed Apr 12, 2026
YI, SOO IL BENJAMIN
Director, EXECUTIVE CHAIRMAN
Filed Jan 1, 2026
JACKMAN, WILLIAM RICHARD
CHIEF LEGAL OFFICER (CLO)
Filed Jan 1, 2026
CHUNG, JASON
EVP, CORP DEV
Filed Jan 1, 2026
GIBBS, JONATHAN
CDCO
Filed Jan 1, 2026
YEE, COLIN M.
EVP, CFO
Filed Jan 1, 2026
HOWELL, STEPHEN MITCHELL JR.
COO
Filed Jan 1, 2026
YI, SOO IL BENJAMIN
Director, EXECUTIVE CHAIRMAN
Filed Jan 1, 2026
LES, JASON
Director, CEO
Filed Jan 1, 2026
LES, JASON
Director, CEO
Filed Jan 1, 2026
| # | 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 |
Frequently asked
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.
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.
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.
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.
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.