84 institutions reported holding $18.3M of STEM INC (STEM) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($3.3M), MARSHALL WACE, LLP ($3.2M), BlackRock, Inc. ($1.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($887,216), Trexquant Investment LP ($864,098). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $3.3M | 420,999 | Added |
| 2 | MARSHALL WACE, LLP | $3.2M | 405,608 | Added |
| 3 | BlackRock, Inc. | $1.3M | 164,477 | Added |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $887,216 | 113,600 | Trimmed |
| 5 | Trexquant Investment LP | $864,098 | 110,640 | Added |
| 6 | TWO SIGMA INVESTMENTS, LP | $806,258 | 103,234 | Trimmed |
| 7 | GSA CAPITAL PARTNERS LLP | $799,000 | 102,321 | Trimmed |
| 8 | BNP PARIBAS FINANCIAL MARKETS | $727,064 | 93,094 | Added |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $726,785 | 93,014 | Added |
| 10 | ACADIAN ASSET MANAGEMENT LLC | $579,000 | 74,646 | Added |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $519,224 | 66,482 | Added |
| 12 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $465,476 | 59,600 | Trimmed |
| 13 | CITADEL ADVISORS LLC | $383,682 | 49,127 | Added |
| 14 | Longaeva Partners L.P. | $376,333 | 48,186 | New |
| 15 | STATE STREET CORP | $298,951 | 38,278 | Trimmed |
| 16 | MORGAN STANLEY | $294,132 | 37,661 | Trimmed |
| 17 | COHEN & STEERS, INC. | $249,000 | 31,887 | Hold |
| 18 | Royal Bank of Canada | $231,000 | 29,636 | Added |
| 19 | XTX Topco Ltd | $230,254 | 29,482 | Added |
| 20 | CITIGROUP INC | $222,788 | 28,526 | Trimmed |
| 21 | HSBC HOLDINGS PLC | $221,423 | 28,424 | Hold |
| 22 | PRICE T ROWE ASSOCIATES INC /MD/ | $209,000 | 26,655 | Added |
| 23 | Keyframe Capital Partners, L.P. | $202,466 | 25,924 | Hold |
| 24 | UBS Group AG | $196,281 | 25,132 | Trimmed |
| 25 | NOMURA HOLDINGS INC | $185,199 | 23,713 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30