Stem Inc
Ownership
Ownership Structure
Who owns Stem Inc (STEM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.3% of the shares are freely tradable; institutional investors hold 24.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Marshall Wace Asset Management Ltd | 4.21 | 405,608 | +39.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.75 | 361,249 | +5.1 | 06/30/2026 |
| BlackRock Inc | 1.71 | 164,477 | +22.1 | 06/30/2026 |
| Trexquant Investment LP | 1.15 | 110,640 | +20.7 | 06/30/2026 |
| Two Sigma Investments LLC | 1.07 | 103,234 | -41.1 | 06/30/2026 |
| GSA Capital Partners LLP | 1.06 | 102,321 | -5.7 | 06/30/2026 |
| BNP Paribas Arbitrage, SA | 0.97 | 93,094 | +75.3 | 06/30/2026 |
| Geode Capital Management, LLC | 0.97 | 93,014 | +1.0 | 06/30/2026 |
| Acadian Asset Management LLC | 0.78 | 74,646 | +606.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.56 | 245,987 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Carlson Michael James | President, Managed Services | 26,020 | 57,244 $ | Sep 29, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | Carlson Michael James | President, Managed Services | Sell | 146 | 4.67 | 682 |
| Sep 26, 2026 | Carlson Michael James | President, Managed Services | Other | 305 | 4.48 | 1,366 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.