49 institutions reported holding $36.6M of IDEAL POWER (IPWR) in SEC 13F filings for 2026-06-30. Largest institutional holders: AWM Investment Company, Inc. ($7.2M), AIGH Capital Management LLC ($4.8M), VANGUARD GROUP INC ($3.6M), GOLDMAN SACHS GROUP INC ($3.5M), STIFEL FINANCIAL CORP ($2.5M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30