Stem
Operates PowerTrack software and services for clean-energy assets.
$5.51
After-hours close+0.08 (+1.44%)
At close$5.43(−4.74%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 24.60%2.20M sharesInsiders 2.48%222.4K sharesOther 72.92%6.53M shares
Shares outstanding 8.96M · Float 8.66M · 96.6% free float
Institutions13F, as of Jun 30, 2026
77 holders · 2.20M shares · 10 new positions · 27 increased · 20 reduced · 13 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Marshall Wace, LLP | 405.6K | 4.53% | +114.3K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 361.2K | 4.03% | +17.4K | Aug 13, 2026 |
| BlackRock, Inc. | 164.5K | 1.84% | +29.8K | Aug 7, 2026 |
| Trexquant Investment LP | 110.6K | 1.24% | +19.0K | Aug 14, 2026 |
| Two Sigma Investments, LP | 103.2K | 1.15% | −72.2K | Aug 14, 2026 |
| Gsa Capital Partners LLP | 102.3K | 1.14% | −6.2K | Aug 6, 2026 |
| BNP Paribas Arbitrage, SNC | 93.1K | 1.04% | +40.0K | Aug 13, 2026 |
| Geode Capital Management, LLC | 93.0K | 1.04% | +962 | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| David S. Buzby | director | 45.1K | 0.50% | Aug 11, 2026 |
| Saul R. Laureles | officer: Chief Legal Officer | 34.5K | 0.39% | Jul 2, 2026 |
| Michael James Carlson | officer: President, Managed Services | 25.9K | 0.29% | Jul 2, 2026 |
| Adam Daley | director | 19.5K | 0.22% | Aug 11, 2026 |
| Arun Narayanan | officer: Chief Executive Officer | 19.1K | 0.21% | Jul 2, 2026 |
| Laura D. Tyson | director | 15.5K | 0.17% | Aug 11, 2026 |
| Anil Tammineedi | director | 15.5K | 0.17% | Aug 11, 2026 |
| Ira M. Birns | director | 14.2K | 0.16% | Aug 11, 2026 |
| Vasudevan Guruswamy | director | 10.6K | 0.12% | Aug 11, 2026 |
| Krishna Shivram | director | 10.6K | 0.12% | Aug 11, 2026 |
4 ten-percent owners hold 1.57M shares by Form 4, outside the officers-and-directors figure above · 25 people have not refiled in the last 18 months (566.5K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 20, 2026 | Brian Musfeldtofficer: Chief Financial Officer | Sale | 996 | $6.11 | 2,379 |
| Jul 2, 2026 | Arun Narayananofficer: Chief Executive Officer | Sale | 1,996 | $7.85 | 19,109 |
| Jul 2, 2026 | Michael James Carlsonofficer: President, Managed Services | Sale | 1,347 | $7.85 | 25,861 |
| Jul 2, 2026 | Matthew Tappinofficer: President, Software Products | Sale | 996 | $7.85 | 9,577 |
| Jul 2, 2026 | Saul R. Laurelesofficer: Chief Legal Officer | Sale | 675 | $7.85 | 34,525 |
| Mar 11, 2026 | Matthew Tappinofficer: President, Software Products | Sale | 402 | $10.83 | 2,823 |
| Mar 10, 2026 | Arun Narayananofficer: Chief Executive Officer | Sale | 5,145 | $11.12 | 12,980 |
| Mar 10, 2026 | Michael James Carlsonofficer: President, Managed Services | Sale | 2,079 | $11.12 | 19,458 |
| Mar 10, 2026 | Saul R. Laurelesofficer: Chief Legal Officer | Sale | 942 | $11.12 | 27,450 |
| Mar 10, 2026 | Matthew Tappinofficer: President, Software Products | Sale | 655 | $11.12 | 3,225 |
CongressHouse and Senate disclosures
Not reported.