Stem
STEM · NYSE
$3.50+$0.09 (+2.64%)TodayMarket closed ·
Prev close $3.41
Who owns STEM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 19.2% of STEM’s shares.
- Marshall Wace LLP4.5%
- Vanguard Capital Management, LLC4.0%
- Angeleno Group, LLC2.4%
- BlackRock Institutional Trust Company, N.A.1.8%
- Next 6 largest institutions6.4%
- All other shareholders80.8%
| Holder | Shares | % of shares |
|---|---|---|
| Marshall Wace LLP | 405.61K | 4.53% |
| Vanguard Capital Management, LLC | 361.25K | 4.03% |
| Angeleno Group, LLC | 214.49K | 2.39% |
| BlackRock Institutional Trust Company, N.A. | 160.17K | 1.79% |
| Trexquant Investment LP | 110.64K | 1.23% |
| Two Sigma Investments, LP | 103.23K | 1.15% |
| GSA Capital Partners LLP | 102.32K | 1.14% |
| BNP Paribas Securities Corp. North America | 93.09K | 1.04% |
| Geode Capital Management, L.L.C. | 93.01K | 1.04% |
| Acadian Asset Management LLC | 74.65K | 0.83% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 245.99K | 2.75% |
| Vanguard Extended Market Index Fund | 106.31K | 1.19% |
| Fidelity Extended Market Index Fund | 46.36K | 0.52% |
| Bridgeway Ultra-Small Company Fund | 44.00K | 0.49% |
| Cohen & Steers Infrastructure Fund | 31.89K | 0.36% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $46.13K (6 trades) of STEM on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Carlson Michael James | Sale | 146 | $682 |
| Carlson Michael James | Option exercise | 305 | — |
| Carlson Michael James | Option exercise | 305 | $1.37K |
| Guruswamy Vasudevan | Option exercise | 7.49K | — |
| Guruswamy Vasudevan | Option exercise | 7.49K | — |
| Tammineedi Anil | Option exercise | 7.49K | — |
| Tammineedi Anil | Option exercise | 7.49K | — |
| Daley Adam | Option exercise | 7.49K | — |
| Daley Adam | Option exercise | 7.49K | — |
| Shivram Krishna | Option exercise | 7.49K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.15M
- Days to cover
- 5.06
- % of shares outstanding
- 12.83%
- Average daily volume
- 227.03K
- Change since last report
- −2.8%
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