Riot Blockchain, Inc. (RIOT) Ownership
RIOT ownership summary
as of October 17, 2026- Institutions
- 87.4% of shares outstanding
- Insiders
- 6.84% of shares outstanding
- Shares outstanding
- 375.3M
- Float
- 349.1M shares available to trade
- Short interest
- 13.95% 48.2M shares short
- Days to cover
- 3.06 short interest down 5.7% vs prior month
- Institutions 87.42%
- Insiders 6.84%
- Other investors 5.73%
RIOT top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.52% | 32.0M | $438.8M | +2.3M (+7.9%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.79% | 21.7M | $298.1M | +39,470 (+0.2%) | June 30, 2026 |
| 3 | FMR Inc | 5.24% | 19.6M | $269.5M | +4.6M (+30.8%) | June 30, 2026 |
| 4 | Situational Awareness LP | 4.56% | 17.1M | $234.6M | +5.6M (+48.7%) | June 30, 2026 |
| 5 | Jane Street Group LLC | 4.48% | 16.8M | $230.9M | +9.4M (+127.8%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.04% | 15.1M | $207.8M | +281,057 (+1.9%) | June 30, 2026 |
| 7 | Situational Awareness Partners LP | 3.07% | 11.5M | $157.8M | +11.5M (0.0%) | March 31, 2026 |
| 8 | Starboard Value LP | 2.70% | 10.1M | $138.8M | −5.4M (−34.9%) | June 30, 2026 |
| 9 | State Street Corp | 2.52% | 9.4M | $129.5M | +248,755 (+2.7%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.47% | 9.3M | $127.3M | +310,985 (+3.5%) | June 30, 2026 |
| 11 | Dimensional Fund Advisors, Inc. | 1.86% | 7.0M | $95.9M | −28,707 (−0.4%) | June 30, 2026 |
| 12 | TOMS Capital Investment Management LP | 1.57% | 5.9M | $80.6M | +5.9M (0.0%) | June 30, 2026 |
| 13 | T. Rowe Price Investment Management,Inc. | 1.50% | 5.6M | $77.1M | +1.8M (+46.5%) | June 30, 2026 |
| 14 | D. E. Shaw & Co LP | 1.45% | 5.5M | $74.8M | — | June 30, 2026 |
| 15 | Bank of America Corp | 1.39% | 5.2M | $71.6M | +1.2M (+29.4%) | June 30, 2026 |
| 16 | MIZUHO MARKETS AMERICAS LLC | 1.37% | 5.1M | $70.5M | +81,232 (+1.6%) | June 30, 2026 |
| 17 | Nomura Holdings Inc | 1.31% | 4.9M | $67.5M | −5.0M (−50.4%) | June 30, 2026 |
| 18 | SG Americas Securities, LLC | 1.27% | 4.7M | $65.1M | +4.3M (+1,067.7%) | June 30, 2026 |
| 19 | American Century Companies Inc | 1.22% | 4.6M | $62.9M | +2.4M (+113.4%) | June 30, 2026 |
| 20 | The Goldman Sachs Group Inc | 1.13% | 4.2M | $58.2M | +430,640 (+11.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 50.5M shares and 3 cut 10.4M.
RIOT top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.89% | 10.8M | $148.6M | −12,355 (−0.1%) | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.47% | 9.3M | $127.0M | −106,752 (−1.1%) | September 30, 2026 |
| 3 | Vanguard Small Cap Index | 2.09% | 7.8M | $107.5M | +6,599 (+0.1%) | August 31, 2026 |
| 4 | Vanguard Information Technology ETF | 1.50% | 5.6M | $77.2M | −38,992 (−0.7%) | August 31, 2026 |
| 5 | Fidelity Select Software & IT Svcs Port | 1.41% | 5.3M | $72.5M | −68,100 (−1.3%) | August 31, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 1.20% | 4.5M | $61.7M | −35,068 (−0.8%) | August 31, 2026 |
| 7 | Fidelity Small Cap Index | 1.04% | 3.9M | $53.6M | +32,437 (+0.8%) | July 31, 2026 |
| 8 | American Century Small Cap Growth Inv | 0.79% | 2.9M | $40.4M | +1.4M (+95.3%) | June 30, 2026 |
| 9 | T. Rowe Price Small-Cap Stock | 0.61% | 2.3M | $31.4M | −1,526 (−0.1%) | August 31, 2026 |
| 10 | iShares Russell 2000 Growth ETF | 0.59% | 2.2M | $30.4M | −2,805 (−0.1%) | September 30, 2026 |
| 11 | Vanguard Russell 2000 ETF | 0.55% | 2.1M | $28.2M | +48,746 (+2.4%) | August 31, 2026 |
| 12 | Schwab US Small-Cap ETF™ | 0.48% | 1.8M | $24.9M | +1,224 (+0.1%) | September 30, 2026 |
| 13 | Columbia Small Cap Growth Inst | 0.48% | 1.8M | $24.9M | −882,996 (−32.7%) | August 31, 2026 |
| 14 | Invesco CoinShares Global Blockchain ETF | 0.45% | 1.7M | $23.3M | — | September 30, 2026 |
| 15 | iShares Expanded Tech-Software Sect ETF | 0.45% | 1.7M | $23.0M | +15,875 (+1.0%) | September 30, 2026 |
| 16 | DFA US Small Cap I | 0.43% | 1.6M | $22.2M | — | August 31, 2026 |
| 17 | Fidelity Extended Market Index | 0.42% | 1.6M | $21.8M | −16,380 (−1.0%) | August 31, 2026 |
| 18 | Fidelity Stock Selector Small Cap | 0.41% | 1.6M | $21.3M | −93,800 (−5.7%) | July 31, 2026 |
| 19 | T. Rowe Price Small-Cap Value | 0.41% | 1.5M | $20.9M | −269,910 (−15.1%) | August 31, 2026 |
| 20 | Fidelity Capital Appreciation | 0.39% | 1.5M | $20.1M | +197,300 (+15.5%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
RIOT insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-10 | Ryan D Werner | Sell | $23.00 | 14,984 | $344,632 |
| 2025-10-03 | Jason Les | Sell | $20.04 | 113,948 | $2.3M |
| 2025-09-29 | Jason Les | Sell | $20.00 | 12,800 | $256,000 |
| 2025-09-24 | Jason Les | Sell | $20.04 | 23,252 | $465,970 |
| 2025-09-10 | William Richard Jackman | Sell | $15.78 | 248,168 | $3.9M |
| 2025-07-21 | Jason Les | Sell | $15.12 | 100,000 | $1.5M |
| 2025-07-07 | Ryan D Werner | Sell | $11.88 | 3,747 | $44,514 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
RIOT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns RIOT
Institutional investors own 87.4% of Riot Blockchain's shares and insiders 6.84%. The largest holder is BlackRock Inc with 8.52% of the shares (32.0M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 3 reduced their stake in the latest filings. Short interest is 13.95% of the float, or 3.06 days of average trading volume. The share count rose 9,484.1% since 2014.
Related: RIOT analyst forecast, RIOT key metrics. See the RIOT stock overview for the latest quote and news.
RIOT ownership FAQ
Who owns the most Riot Blockchain stock?
The largest shareholders of Riot Blockchain are BlackRock Inc (8.52%), Vanguard Portfolio Management, LLC (5.79%), FMR Inc (5.24%), Situational Awareness LP (4.56%), Jane Street Group LLC (4.48%).
What percentage of Riot Blockchain is owned by institutions?
Institutions hold 87.4% of Riot Blockchain's shares outstanding; insiders hold 6.84%.
Which funds own Riot Blockchain?
The largest fund holders of Riot Blockchain are Vanguard MStar Total Stk Mkt Idx Invest (2.89%), iShares Russell 2000 ETF (2.47%), Vanguard Small Cap Index (2.09%), Vanguard Information Technology ETF (1.50%), Fidelity Select Software & IT Svcs Port (1.41%).
What is Riot Blockchain's short interest?
48.2M shares of Riot Blockchain were sold short, 13.95% of the float; at the average daily volume it would take 3.06 days to cover.
Are insiders buying or selling Riot Blockchain?
Of the latest 7 reported insider transactions in Riot Blockchain (since July 7, 2025), 0 were purchases and 7 were sales.
How many shares of Riot Blockchain are outstanding?
Riot Blockchain has 375.3M shares outstanding, of which 349.1M are in the public float.