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 |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | 3.57 | 343,813 | +0.0 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 3.03 | 291,340 | +74.2 | 03/31/2026 |
| BlackRock Inc | 1.40 | 134,712 | -2.5 | 03/31/2026 |
| 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 |
| Geode Capital Management, LLC | 0.96 | 92,052 | +4.3 | 03/31/2026 |
| Trexquant Investment LP | 0.95 | 91,676 | +258.4 | 03/31/2026 |
| Bridgeway Capital Management, LLC | 0.72 | 69,600 | +0.0 | 03/31/2026 |
| Renaissance Technologies Corp | 0.61 | 58,575 | +423.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.56 | 245,987 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 28, 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.