400 tracked 13F filers disclose a position in RIOT as of the latest SEC 13F filings, a combined $3.9B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $366.5M | 29.7M | ▲+1.9% Added · +545K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $268.0M | 21.7M | →First observed position No prior filed position | Q1 2026 | |
| 3 | Starboard Value LP | $192.1M | 15.5M | ▲+22% Added · +2.8M sh | Q1 2026 | |
| 4 | FMR LLC | $185.6M | 15.0M | ▲+17% Added · +2.2M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $183.7M | 14.9M | →First observed position No prior filed position | Q1 2026 | |
| 6 | Situational Awareness LP | $142.2M | 11.5M | ▲+86% Added · +5.3M sh | Q1 2026 | |
| 7 | Situational Awareness Partners LP | $142.2M | 11.5M | ▲New +11.5M sh | Q1 2026 | |
| 8 | STATE STREET CORP | $258.4M | 9.4M | ▲+2.7% Added · +249K sh | Q2 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $287.8M | 9.3M | ▲+3.5% Added · +311K sh | Q2 2026 | |
| 10 | JANE STREET GROUP, LLC | $91.3M | 7.4M | ▲+49% Added · +2.4M sh | Q1 2026 | |
| 11 | DIMENSIONAL FUND ADVISORS LP | $86.7M | 7.0M | ▲+36% Added · +1.9M sh | Q1 2026 | |
| 12 | D. E. Shaw & Co., Inc. | $67.4M | 5.5M | —Held | Q1 2026 | |
| 13 | Value Aligned Research Advisors, LLC | $64.0M | 5.2M | ▼−46% Reduced · −4.4M sh | Q1 2026 | |
| 14 | BANK OF AMERICA CORP /DE/ | $49.9M | 4.0M | ▲+368% Added · +3.2M sh | Q1 2026 | |
| 15 | T. Rowe Price Investment Management, Inc. | Withheld | 3.8M | ▼−10% Reduced · −443K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $47.1M | 3.8M | ▼−22% Reduced · −1.1M sh | Q1 2026 | |
| 17 | Connor, Clark & Lunn Investment Management Ltd. | $92.9M | 3.4M | ▲+29% Added · +758K sh | Q2 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $39.4M | 3.2M | ▼−4.9% Reduced · −163K sh | Q1 2026 | |
| 19 | MORGAN STANLEY | $37.5M | 3.0M | ▼−25% Reduced · −1.0M sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $37.4M | 3.0M | ▲+8.6% Added · +241K sh | Q1 2026 | |
| 21 | PRINCIPAL FINANCIAL GROUP INC | $36.6M | 3.0M | ▲+55% Added · +1.0M sh | Q1 2026 | |
| 22 | CITADEL ADVISORS LLC | $36.0M | 2.9M | ▲+80% Added · +1.3M sh | Q1 2026 | |
| 23 | AMERIPRISE FINANCIAL INC | $34.5M | 2.8M | ▲29× Added · +2.7M sh | Q1 2026 | |
| 24 | VAN ECK ASSOCIATES CORP | Withheld | 2.7M | ▼−11% Reduced · −348K sh | Q1 2026 | |
| 25 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $33.7M | 2.7M | ▲+19% Added · +440K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 14 funds opened a new position in RIOT and 21 added to an existing one, while 17 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 215 funds | $246.7B |
| AMAZON.COM INCAMZN | 214 funds | $186.2B |
| NVIDIA CORPNVDA | 213 funds | $364.8B |
| META PLATFORMS INC-CLASS AMETA | 211 funds | $105.2B |
| ALPHABET INC-CL AGOOGL | 210 funds | $152.5B |
| ADVANCED MICRO DEVICESAMD | 206 funds | $35.6B |
| MICRON TECHNOLOGY INCMU | 205 funds | $36.8B |
| BROADCOM INCAVGO | 203 funds | $146.1B |
| ALPHABET INC-CL CGOOG | 202 funds | $113.9B |
| TESLA INCTSLA | 201 funds | $67.1B |
| JPMORGAN CHASE & COJPM | 200 funds | $57.3B |
| VISA INC-CLASS A SHARESV | 199 funds | $57.9B |
Ranked by how many of RIOT's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 5, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 35K | $779K |
| Aug 5, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 10K | $224K |
| Aug 5, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 3K | $59K |
| Jul 7, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 10K | $217K |
| Jul 7, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 8K | $167K |
| Jun 22, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 25K | $761K |
| Jun 22, 2026 | Les Jason | CEO, Director | Sell (S) | 63K | $1.9M |
| May 27, 2026 | Werner Ryan D. | SVP, CAO | Sell (S) | 38K | $997K |
| May 11, 2026 | Les Jason | CEO, Director | Sell (S) | 175K | $4.4M |
| Oct 10, 2025 | Werner Ryan D. | SVP, CAO | Sell (S) | 15K | $345K |
| Oct 3, 2025 | Les Jason | CEO, Director | Sell (S) | 114K | $2.3M |
| Sep 29, 2025 | Les Jason | CEO, Director | Sell (S) | 13K | $256K |
| Class | 13F holders | Value held |
|---|---|---|
| RIOTthis pagecs | 400 funds | $3.9B |
| RIOT 0.75 01/15/30SDBCV | 38 funds | $748.3M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for RIOT
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RIOT/capital-change-brief"
Use Arkolith's capital_change_brief for RIOT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RIOT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.