StemSTEM
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 72 institutions reported holding Stem Inc. (STEM) in their 13F filings, down 3 from Q1 2026. 9 opened new positions and 11 sold out. The largest holders were Marshall Wace, LLP ($3.2M), Vanguard Capital Management LLC ($2.8M) and BlackRock, Inc. ($1.3M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Stem Inc.
- CUSIP
- 85859N300
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $839K |
| Exits | 11 | $606K |
All 13F filers, Q1 2026 → Q2 2026: 446,120 shares bought and 207,579 shares sold, net +238,541 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 72 holders
| Marshall Wace, LLP | 0.00% | Add +39.2% | 405,608 | $3.2M |
| Vanguard Capital Management LLC | 0.00% | Add +5.1% | 361,249 | $2.8M |
| BlackRock, Inc. | 0.00% | Add +22.1% | 164,477 | $1.3M |
| Trexquant Investment LP | 0.01% | Add +20.7% | 110,640 | $864K |
| Two Sigma Investments, LP | 0.00% | Reduce -41.1% | 103,234 | $806K |
| Gsa Capital Partners LLP | 0.05% | Reduce -5.7% | 102,321 | $799K |
| BNP Paribas Financial Markets | 0.00% | Add +75.3% | 93,094 | $727K |
| Geode Capital Management, LLC | 0.00% | Add +1.1% | 93,014 | $727K |
| Acadian Asset Management LLC | 0.00% | Add +606.7% | 74,646 | $579K |
| Renaissance Technologies | 0.00% | Add +13.5% | 66,482 | $519K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -14.4% | 59,600 | $465K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +14.4% | 56,898 | $444K |
| Longaeva Partners L.P. | 0.01% | New | 48,186 | $376K |
| State Street Corp. | 0.00% | Reduce 0.0% | 38,278 | $299K |
| Morgan Stanley | 0.00% | Reduce -21.6% | 37,661 | $294K |
| Cohen & Steers, Inc. | 0.00% | No change | 31,887 | $249K |
| Royal Bank of Canada | 0.00% | Add +5.0% | 29,636 | $231K |
| XTX Topco Ltd | 0.00% | Add +189.8% | 29,482 | $230K |
| Citigroup Inc. | 0.00% | Reduce -23.4% | 28,526 | $223K |
| HSBC Holdings PLC | 0.00% | No change | 28,424 | $221K |
| T. Rowe Price Associates Inc. | 0.00% | Add +91.6% | 26,655 | $209K |
| Keyframe Capital Partners, L.P. | 100.00% | No change | 25,924 | $202K |
| UBS Group AG | 0.00% | Reduce -52.8% | 25,132 | $196K |
| Citadel Advisors | 0.00% | New | 23,727 | $185K |
| Nomura Holdings Inc. | 0.00% | No change | 23,713 | $185K |
| Northern Trust Corp. | 0.00% | Add +14.0% | 21,241 | $166K |
| HighTower Advisors, LLC | 0.00% | No change | 16,147 | $126K |
| Engineers Gate Manager LP | 0.00% | New | 12,700 | $99K |
| Bank of America Corp. | 0.00% | Reduce -0.3% | 11,385 | $89K |
| Goldman Sachs Group Inc. | 0.00% | New | 11,346 | $89K |
| Balyasny Asset Management L.P. | 0.00% | New | 9,717 | $76K |
| Zweig-DiMenna Associates LLC | 0.01% | No change | 8,302 | $65K |
| Wells Fargo & Company | 0.00% | Add +29.4% | 4,630 | $36K |
| Group One Trading LLC | 0.00% | Reduce -19.7% | 4,054 | $32K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +40.2% | 3,487 | $27K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 2,852 | $22K |
| International Assets Investment Management, LLC | 0.00% | Reduce -1.6% | 1,870 | $15K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 1,080 | $8K |
| Simplex Trading, LLC | 0.00% | New | 840 | $7K |
| Osaic Holdings, Inc. | 0.00% | Reduce -14.6% | 703 | $5K |
| JPMorgan Chase & Co. | 0.00% | New | 712 | $5K |
| FMR LLC | 0.00% | Reduce -22.7% | 648 | $5K |
| National Bank of Canada | 0.00% | Reduce -47.8% | 514 | $4K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -2.5% | 392 | $3K |
| Deutsche Bank AG | 0.00% | No change | 347 | $3K |
| CKW Financial Group | 0.00% | No change | 192 | $2K |
| Hurley Capital, LLC | 0.00% | No change | 245 | $2K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 199 | $2K |
| Barclays PLC | 0.00% | New | 167 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.7% | 149 | $1K |
| GAMMA Investing LLC | 0.00% | Reduce -40.6% | 120 | $937 |
| Cornerstone Financial Management LLC | 0.00% | No change | 66 | $515 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | No change | 62 | $484 |
| US Bancorp \de | 0.00% | Reduce -9.1% | 60 | $469 |
| Harbour Investments, Inc. | 0.00% | No change | 57 | $445 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 50 | $391 |
| Wilmington Savings Fund Society, FSB | 0.00% | No change | 35 | $273 |
| Jones Financial Companies LLLP | 0.00% | Reduce -62.5% | 36 | $265 |
| HM Payson & Co. | 0.00% | No change | 25 | $196 |
| CoreCap Advisors, LLC | 0.00% | No change | 25 | $195 |
| Quent Capital, LLC | 0.00% | No change | 25 | $195 |
| Strategic Investment Solutions, Inc. | 0.00% | No change | 25 | $195 |
| American Capital Advisory, LLC | 0.00% | New | 24 | $188 |
| Strategic Wealth Partners, Ltd. | 0.00% | No change | 19 | $148 |
| Allworth Financial LP | 0.00% | Reduce -76.9% | 12 | $94 |
| Dogwood Wealth Management LLC | 0.00% | No change | 11 | $86 |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 10 | $78 |
| Mather Group, Llc. | 0.00% | No change | 10 | $78 |
| Ascentis Wealth Management, LLC | 0.00% | No change | 7 | $54 |
| IFP Advisors, Inc | 0.00% | Reduce -99.7% | 5 | $39 |
| Smallwood Wealth Investment Management, LLC | 0.00% | No change | 2 | $15 |
| Russell Investments Group, Ltd. | 0.00% | No change | 1 | $8 |
"% of holder's portfolio" is STEM's weight in each manager's 13F, not the share of Stem Inc. the manager owns.