STEM STEM, INC.: institutional ownership and insider trading
77 funds reported holding $24.3M of STEM, INC. in their latest 13F filings; in Q2 2026 funds net bought $756K, with 8 new positions and 12 funds selling out; over the last 12 months insiders bought $0 and sold $390K on the open market.
Famous investors holding STEM
- Two Sigma (Two Sigma Investments): $806K, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $519K, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $384K, 0.0% of the portfolio
Largest institutional holders of STEM
- VANGUARD GROUP INC — $5.97M
- MARSHALL WACE, LLP — $3.17M
- VANGUARD CAPITAL MANAGEMENT LLC — $2.82M
- BlackRock, Inc. (BLK) — $1.28M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP — $887K
- Trexquant Investment LP — $864K
- TWO SIGMA INVESTMENTS, LP — $806K
- GSA CAPITAL PARTNERS LLP — $799K
- BNP PARIBAS FINANCIAL MARKETS — $727K
- GEODE CAPITAL MANAGEMENT, LLC — $727K
Recent STEM insider trades
- Sep 29, 2026: Carlson Michael James sold 146 shares ($682)
- Jul 20, 2026: Musfeldt Brian sold 996 shares ($6.09K)
- Jul 2, 2026: Laureles Saul R. sold 675 shares ($5.30K)
- Jul 2, 2026: Carlson Michael James sold 1,347 shares ($10.6K)