Among active 13F managers last quarter, 1 opened and 2 added, while none reduced or exited; the largest holder to move was Luminus Management LLC (new position). Over the last 180 days, 5 insiders sold and none bought, a net -$502K in open-market trades.
The legs disagree, or only one of them leans.
17 tracked 13F filers disclose a position in SDST as of the latest SEC 13F filings, a combined $1.1M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management LLC | 199K | $311K | —Held | Q2 2026 | |
| 2 | Luminus Management LLC | 138K | $215K | ▲New +138K sh | Q2 2026 | |
| 3 | Geode Capital Management, LLC | 74K | $115K | ▼−14% Reduced · −12K sh | Q2 2026 | |
| 4 | UBS Group AG | 70K | $165K | ▼−31% Reduced · −31K sh | Q1 2026 | |
| 5 | BRC Group Holdings, Inc. | 42K | $66K | —Held | Q2 2026 | |
| 6 | Vanguard Fiduciary Trust Co | 32K | $50K | —Held | Q2 2026 | |
| 7 | State Street Corp | 25K | $39K | —Held | Q2 2026 | |
| 8 | BancFirst Trust & Investment Management | 23K | $38K | —Held | Q2 2026 | |
| 9 | Price T Rowe Associates Inc | 23K | $36K | —Held | Q2 2026 | |
| 10 | BlackRock, Inc. | 11K | $18K | —Held | Q2 2026 | |
| 11 | Osaic Holdings, Inc. | 5K | $11K | ▼−8.7% Reduced · −430 sh | Q1 2026 | |
| 12 | Tower Research Capital LLC (TRC) | 2K | $5K | ▲+79% Added · +902 sh | Q1 2026 | |
| 13 | Vanguard Global Advisers, LLC | 349 | $544 | —Held | Q2 2026 | |
| 14 | NewEdge Advisors, LLC | 200 | $312 | —Held | Q2 2026 | |
| 15 | Royal Bank Of Canada | 11 | $0 | ▼−78% Reduced · −39 sh | Q1 2026 | |
| 16 | SBI Securities Co., Ltd. | 2 | $3 | —Held | Q2 2026 | |
| 17 | Caitong International Asset Management Co., Ltd | 2 | $3 | ▲+100% Added · +1 sh | Q2 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, 1 fund opened a new position in SDST and 2 added to an existing one, while none reduced or exited. 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 | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 5 funds | $74.5B |
| Apple IncAAPL | 5 funds | $46.5B |
| Alphabet Inc-CL AGOOGL | 5 funds | $36.4B |
| Amazon.com IncAMZN | 5 funds | $26.1B |
| Alphabet Inc-CL CGOOG | 5 funds | $21.0B |
| Eli Lilly & CoLLY | 5 funds | $16.7B |
| Tesla IncTSLA | 5 funds | $10.8B |
| Mastercard Inc - AMA | 5 funds | $9.5B |
| Applied Materials IncAMAT | 5 funds | $9.2B |
| JPMorgan Chase & CoJPM | 5 funds | $9.1B |
| Caterpillar IncCAT | 5 funds | $6.6B |
| Johnson & JohnsonJNJ | 5 funds | $5.9B |
Ranked by how many of SDST's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in SDST.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 16, 2026 | Cortegoso Pablo | Chief Technical Officer | Sell (S) | 124K | $16K |
| Sep 16, 2026 | Devasper Udaychandra | Chief Financial Officer | Sell (S) | 4K | $531 |
| Sep 16, 2026 | Celano Chris Edward | Chief Operating Officer | Sell (S) | 739 | $103 |
| Sep 10, 2026 | Devasper Udaychandra | Chief Financial Officer | Sell (S) | 49K | $8K |
| Jun 15, 2026 | Pujari Roshen | CEO and Chairman, Director, 10% Owner | Sell (S) | 861 | $2K |
| Jun 15, 2026 | Devasper Udaychandra | Chief Financial Officer | Sell (S) | 4K | $7K |
| Jun 15, 2026 | Celano Chris Edward | Chief Operating Officer | Sell (S) | 640 | $1K |
| Jun 11, 2026 | Nangolo Charlotte Nanguloshi | Director | Sell (S) | 10K | $17K |
| Jun 1, 2026 | Cortegoso Pablo | Chief Technical Officer | Sell (S) | 44K | $100K |
| May 26, 2026 | Pujari Roshen | CEO and Chairman, Director, 10% Owner | Sell (S) | 102K | $223K |
| May 19, 2026 | Devasper Udaychandra | Chief Financial Officer | Sell (S) | 36K | $73K |
| May 19, 2026 | Celano Chris Edward | Chief Operating Officer | Sell (S) | 26K | $53K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 2 | 4 | – |
Insiders Form 4 open-market | 0 | 5 | -$502K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| SDSTthis pageCommon Stock | 17 funds | $1.1M |
| SDSTWSPAC Combination | 13 funds | $100K |
| 854936101Stock | 1 funds | $850 |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for SDST
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/SDST/capital-change-brief"
Use Arkolith's capital_change_brief for SDST. 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 SDST. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.