Stem, Inc. (STEM) shareholders
STEMNYSEServices-Computer Integrated Systems DesignFiscal year ends December 31
$2.49+0.13 (+5.51%)
Close on Nov 11, 2026Market cap $23.97MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
22.9%
2M of 10M shares
Institutional holders
73
10 new, 11 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 16 sales
Net sold $219.87K
Shares held by institutions
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of STEM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Marshall Wace, Llp | 405,608 | 4.21% | $3.17M | +114,268 | 0.00% |
| Vanguard Capital Management LLC | 361,249 | 3.75% | $2.82M | +17,436 | 0.00% |
| BlackRock, Inc. | 164,477 | 1.71% | $1.28M | +29,765 | 0.00% |
| Trexquant Investment LP | 110,640 | 1.15% | $864.10K | +18,964 | 0.01% |
| Two Sigma Investments, LP | 103,234 | 1.07% | $806.26K | −72,155 | 0.00% |
| Gsa Capital Partners Llp | 102,321 | 1.06% | $799.00K | −6,181 | 0.05% |
| Bnp Paribas Arbitrage, Snc | 93,094 | 0.97% | $727.06K | +40,000 | 0.00% |
| Geode Capital Management, LLC | 93,014 | 0.97% | $726.79K | +962 | 0.00% |
| Acadian Asset Management LLC | 74,646 | 0.78% | $579.00K | +64,083 | 0.00% |
| Renaissance Technologies LLC | 66,482 | 0.69% | $519.22K | +7,907 | 0.00% |
| Bridgeway Capital Management, LLC | 59,600 | 0.62% | $465.48K | −10,000 | 0.01% |
| Vanguard Fiduciary Trust Co | 56,898 | 0.59% | $444.37K | +7,180 | 0.00% |
| Longaeva Partners L.P. | 48,186 | 0.50% | $376.33K | New | 0.01% |
| State Street Corp | 38,278 | 0.40% | $298.95K | −1 | 0.00% |
| Morgan Stanley | 37,661 | 0.39% | $294.13K | −10,374 | 0.00% |
| Cohen & Steers, Inc. | 31,887 | 0.33% | $249.00K | – | 0.00% |
| Royal Bank of Canada | 29,636 | 0.31% | $231.00K | +1,423 | 0.00% |
| XTX Topco Ltd | 29,482 | 0.31% | $230.25K | +19,310 | 0.00% |
| Citigroup Inc | 28,526 | 0.30% | $222.79K | −8,688 | 0.00% |
| Hsbc Holdings PLC | 28,424 | 0.30% | $221.42K | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 73 | 2M | 22.9% | 10 / 16 | 19 / 11 | 0M | 0M |
| Q1 2026 | 75 | 2M | 20.4% | 12 / 16 | 22 / 20 | 1M | 0M |
| Q4 2025 | 86 | 2M | 19.6% | 20 / 18 | 25 / 18 | 0M | 0M |
| Q3 2025 | 85 | 2M | 20.4% | 24 / 20 | 20 / 19 | 1M | 0M |
| Q2 2025 | 80 | 2M | 16.9% | 79 / 0 | 0 / 0 | 2M | 0M |
| Q1 2025 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2024 | 1 | 0M | 0.0% | 0 / 0 | 1 / 0 | 0M | 0M |
| Q3 2024 | 1 | 0M | 0.0% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q2 2024 | 1 | 0M | 0.0% | 1 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
19 funds held STEM in Q2 2026, 69% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of STEM | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 245,987 | 2.56% | $1.92M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 96,283 | 1.00% | $751.97K | 0.00% | Jun 30, 2026 |
| Ultra-Small Company Fund | 44,000 | 0.46% | $343.64K | 0.35% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 42,764 | 0.44% | $415.67K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 27,987 | 0.29% | $218.58K | 0.01% | Jun 30, 2026 |
| Ultra-Small Company Market Fund | 15,600 | 0.16% | $121.84K | 0.08% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 14,950 | 0.16% | $145.31K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 12,948 | 0.13% | $125.85K | 0.00% | May 31, 2026 |
| T. Rowe Price Extended Equity Market Index Fund | 9,510 | 0.10% | $74.27K | 0.01% | Jun 30, 2026 |
| Goldman Sachs Absolute Return Tracker Fund | 6,438 | 0.07% | $50.28K | 0.00% | Jun 30, 2026 |
| Vanguard Institutional Total Stock Market Index Fund | 4,672 | 0.05% | $36.49K | 0.00% | Jun 30, 2026 |
| Corgi Battery Energy Storage Systems ETF | 4,640 | 0.05% | $36.24K | 1.70% | Jun 30, 2026 |
| Vanguard Balanced Index Fund | 4,280 | 0.04% | $33.43K | 0.00% | Jun 30, 2026 |
| 1290 VT Micro Cap Portfolio | 1,866 | 0.02% | $14.57K | 0.01% | Jun 30, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 300 | 0.00% | $2.34K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Michael James Carlson | President, Managed Services | 26,020 | 0.27% | Sep 29, 2026 |
| Brian Musfeldt | Chief Financial Officer | 2,379 | 0.02% | Jul 21, 2026 |
| Arun Narayanan | Chief Executive Officer | 19,109 | 0.20% | Jul 2, 2026 |
| Matthew Tappin | President, Software Products | 9,577 | 0.10% | Jul 2, 2026 |
| Saul R. Laureles | Chief Legal Officer | 34,525 | 0.36% | Jul 2, 2026 |
| Jeffrey T. Cabot | Chief Accounting Officer | – | – | Jan 7, 2026 |
| Rahul Shukla | Chief Accounting Officer | 0 | – | Nov 19, 2025 |
| Hofeldt Albert | Chief Technology Officer | 185,863 | 1.93% | Feb 21, 2025 |
| Kim Homenock | Chief People Officer | 184,568 | 1.92% | Feb 21, 2025 |
| Ira M. Birns | Director | 14,207 | 0.15% | Aug 11, 2026 |
| Vasudevan Guruswamy | Director | 10,597 | 0.11% | Aug 11, 2026 |
| Adam Daley | Director | 28,985 | 0.30% | Aug 11, 2026 |
| David S. Buzby | Director | 51,046 | 0.53% | Aug 11, 2026 |
| Anil Tammineedi | Director | 229,965 | 2.39% | Aug 11, 2026 |
| Krishna Shivram | Director | 10,597 | 0.11% | Aug 11, 2026 |
| Laura D. Tyson | Director | 15,473 | 0.16% | Aug 11, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Michael James Carlson President, Managed Services | Sep 29, 2026 | Sale | −146 | $4.67 | $682 | 26,020 |
| Michael James Carlson President, Managed Services | Sep 26, 2026 | Option exercise | +305 | $4.48 | $1.37K | 26,166 |
| Laura D. Tyson Director | Aug 7, 2026 | Award | +7,486 | – | – | 15,473 |
| Ira M. Birns Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 14,207 |
| Vasudevan Guruswamy Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 10,597 |
| Krishna Shivram Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 10,597 |
| Adam Daley Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 19,535 |
| David S. Buzby Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 7,486 |
| Anil Tammineedi Director | Aug 7, 2026 | Option exercise | +7,486 | – | – | 15,473 |
| Brian Musfeldt Chief Financial Officer | Jul 20, 2026 | Sale | −996 | $6.11 | $6.09K | 2,379 |
| Brian Musfeldt Chief Financial Officer | Jul 17, 2026 | Option exercise | +3,375 | $6.26 | $21.13K | 3,375 |
| Michael James Carlson President, Managed Services | Jul 2, 2026 | Sale | −1,347 | $7.85 | $10.57K | 25,861 |
| Saul R. Laureles Chief Legal Officer | Jul 2, 2026 | Sale | −675 | $7.85 | $5.30K | 34,525 |
| Arun Narayanan Chief Executive Officer | Jul 2, 2026 | Sale | −1,996 | $7.85 | $15.67K | 19,109 |
| Matthew Tappin President, Software Products | Jul 2, 2026 | Sale | −996 | $7.85 | $7.82K | 9,577 |
| Michael James Carlson President, Managed Services | Jun 30, 2026 | Option exercise | +2,750 | $7.81 | $21.48K | 27,208 |
| Michael James Carlson President, Managed Services | Jun 30, 2026 | Option exercise | +5,000 | $7.81 | $39.05K | 24,458 |
| Saul R. Laureles Chief Legal Officer | Jun 30, 2026 | Option exercise | +5,000 | $7.81 | $39.05K | 32,450 |
| Saul R. Laureles Chief Legal Officer | Jun 30, 2026 | Option exercise | +2,750 | $7.81 | $21.48K | 35,200 |
| Arun Narayanan Chief Executive Officer | Jun 30, 2026 | Option exercise | +8,125 | $7.81 | $63.46K | 21,105 |
| Matthew Tappin President, Software Products | Jun 30, 2026 | Option exercise | +5,000 | $7.81 | $39.05K | 7,823 |
| Matthew Tappin President, Software Products | Jun 30, 2026 | Option exercise | +2,750 | $7.81 | $21.48K | 10,573 |
| Matthew Tappin President, Software Products | Mar 11, 2026 | Sale(10b5-1 plan) | −402 | $10.83 | $4.35K | 2,823 |
| Saul R. Laureles Chief Legal Officer | Mar 10, 2026 | Sale | −942 | $11.12 | $10.48K | 27,450 |
| Michael James Carlson President, Managed Services | Mar 10, 2026 | Sale | −2,079 | $11.12 | $23.12K | 19,458 |
| Matthew Tappin President, Software Products | Mar 10, 2026 | Sale | −655 | $11.12 | $7.28K | 3,225 |
| Arun Narayanan Chief Executive Officer | Mar 10, 2026 | Sale | −5,145 | $11.12 | $57.21K | 12,980 |
| Saul R. Laureles Chief Legal Officer | Mar 7, 2026 | Option exercise | +2,916 | – | – | 28,392 |
| Michael James Carlson President, Managed Services | Mar 7, 2026 | Option exercise | +3,541 | – | – | 21,537 |
| Matthew Tappin President, Software Products | Mar 7, 2026 | Option exercise | +1,458 | – | – | 3,880 |
| Arun Narayanan Chief Executive Officer | Mar 7, 2026 | Option exercise | +12,500 | – | – | 12,500 |
| Arun Narayanan Chief Executive Officer | Mar 7, 2026 | Option exercise | +5,625 | – | – | 18,125 |
| Matthew Tappin President, Software Products | Mar 4, 2026 | Sale | −185 | $10.00 | $1.85K | 2,422 |
| Matthew Tappin President, Software Products | Mar 3, 2026 | Sale | −300 | $9.67 | $2.90K | 2,607 |
| Saul R. Laureles Chief Legal Officer | Mar 3, 2026 | Sale | −292 | $9.67 | $2.82K | 25,476 |
| Saul R. Laureles Chief Legal Officer | Mar 1, 2026 | Option exercise | +904 | – | – | 25,768 |
| Matthew Tappin President, Software Products | Mar 1, 2026 | Option exercise | +670 | – | – | 2,907 |
| Matthew Tappin President, Software Products | Feb 20, 2026 | Sale | −366 | $11.40 | $4.17K | 2,237 |
| Michael James Carlson President, Managed Services | Feb 19, 2026 | Tax withholding | −730 | $11.30 | $8.25K | 17,996 |
| Saul R. Laureles Chief Legal Officer | Feb 19, 2026 | Tax withholding | −536 | $11.30 | $6.06K | 24,864 |
| Matthew Tappin President, Software Products | Feb 19, 2026 | Tax withholding | −522 | $11.30 | $5.90K | 2,603 |
| Matthew Tappin President, Software Products | Feb 15, 2026 | Option exercise | +1,253 | – | – | 3,125 |
| Michael James Carlson President, Managed Services | Feb 15, 2026 | Option exercise | +1,342 | – | – | 18,726 |
| Saul R. Laureles Chief Legal Officer | Feb 15, 2026 | Option exercise | +1,790 | – | – | 25,400 |
| Rahul Shukla Chief Accounting Officer | Nov 18, 2025 | Sale | −3,674 | $16.21 | $59.56K | 0 |
| Matthew Tappin President, Software Products | Nov 11, 2025 | Sale | −9,584 | $17.70 | $169.64K | 1,872 |
| Rahul Shukla Chief Accounting Officer | Nov 10, 2025 | Tax withholding | −2,076 | $18.27 | $37.93K | 3,674 |
| Matthew Tappin President, Software Products | Nov 10, 2025 | Tax withholding | −5,416 | $18.27 | $98.95K | 11,456 |
| Michael James Carlson President, Managed Services | Nov 10, 2025 | Tax withholding | −6,743 | $18.27 | $123.19K | 17,384 |
| Saul R. Laureles Chief Legal Officer | Nov 10, 2025 | Tax withholding | −3,379 | $18.27 | $61.73K | 23,610 |
| Rahul Shukla Chief Accounting Officer | Nov 7, 2025 | Option exercise | +5,750 | – | – | 5,750 |
| Matthew Tappin President, Software Products | Nov 7, 2025 | Option exercise | +15,000 | – | – | 16,872 |
| Michael James Carlson President, Managed Services | Nov 7, 2025 | Option exercise | +13,750 | – | – | 24,127 |
| Saul R. Laureles Chief Legal Officer | Nov 7, 2025 | Option exercise | +13,750 | – | – | 26,989 |
| David S. Buzby Director | Jul 3, 2025 | Gift | +5,511 | – | – | 37,571 |
| David S. Buzby Director | Jul 3, 2025 | Gift | −5,511 | – | – | 478 |
| Matthew Tappin President, Software Division | Jun 16, 2025 | Sale(10b5-1 plan) | −20,823 | $0.45 | $9.37K | 37,458 |
| Matthew Tappin President, Software Division | May 30, 2025 | Sale(10b5-1 plan) | −1,164 | $0.45 | $524 | 58,281 |
| Matthew Tappin President, Software Division | May 29, 2025 | Option exercise | +2,775 | – | – | 59,445 |
| Anil Tammineedi Director | May 29, 2025 | Option exercise | +110,236 | – | – | 159,747 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
12.12%
1M shares short
Days to cover
5.2
At 0M shares a day
Change since last report
-10.8%
From 1M shares
Short volume, 20 days
53.1%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Stem's stock actually held short. Settlement fails (shares not delivered on time) peaked at 7,427 shares on Sep 10, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Michael James Carlson Officer | Sep 29, 2026 | 146 | $671 | Sep 29, 2026 | Restricted Stock Vesting |
| Saul R. Laureles Officer | Aug 10, 2026 | 1,841 | $10.03K | Aug 10, 2026 | Restricted Stock Vesting |
| Michael James Carlson Officer | Aug 10, 2026 | 3,673 | $20.02K | Aug 10, 2026 | Restricted Stock Vesting |
| Brian Musfeldt Officer | Aug 10, 2026 | 1,138 | $6.20K | Aug 10, 2026 | Restricted Stock Vesting |
| Matthew Tappin Officer | Aug 10, 2026 | 2,712 | $14.78K | Aug 10, 2026 | Restricted Stock Vesting |
| Saul R. Laureles Officer | Jul 29, 2026 | 1,277 | $6.49K | Jul 29, 2026 | Restricted Stock Vesting |
| Michael James Carlson Officer | Jul 29, 2026 | 2,548 | $12.96K | Jul 29, 2026 | Restricted Stock Vesting |
| Matthew Tappin Officer | Jul 29, 2026 | 1,881 | $9.57K | Jul 29, 2026 | Restricted Stock Vesting |
| Brian Musfeldt Officer | Jul 20, 2026 | 996 | $6.09K | Jul 20, 2026 | Restricted Stock Vesting |
| Arun Narayanan Officer, Director | Jul 2, 2026 | 1,996 | $15.47K | Jul 2, 2026 | Restricted Stock Vesting |
| Michael James Carlson Officer | Jul 2, 2026 | 1,347 | $10.44K | Jul 2, 2026 | Restricted Stock Vesting |
| Saul R. Laureles Officer | Jul 2, 2026 | 675 | $5.23K | Jul 2, 2026 | Restricted Stock Vesting |
| Matthew Tappin Officer | Jul 2, 2026 | 996 | $7.72K | Jul 2, 2026 | Restricted Stock Vesting |
| Matthew Tappin Officer | Mar 11, 2026 | 402 | $4.35K | Mar 11, 2026 | Restricted Stock Vesting |
| Matthew Tappin Officer | Mar 10, 2026 | 655 | $7.28K | Mar 10, 2026 | Restricted Stock Vesting |
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