33 institutions reported holding $11.9M of IDEAL POWER INC (IPWR) in SEC 13F filings for 2026-03-31. Largest institutional holders: AWM Investment Company, Inc. ($3.4M), AIGH Capital Management LLC ($3.3M), Alyeska Investment Group, L.P. ($1.1M), VANGUARD CAPITAL MANAGEMENT LLC ($889,860), Bleichroeder LP ($849,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | AWM Investment Company, Inc. | $3.4M | 1.2M | Added |
| 2 | AIGH Capital Management LLC | $3.3M | 1.2M | Added |
| 3 | Alyeska Investment Group, L.P. | $1.1M | 385,571 | New |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $889,860 | 314,438 | New |
| 5 | Bleichroeder LP | $849,000 | 300,000 | Added |
| 6 | GOLDMAN SACHS GROUP INC | $671,415 | 237,249 | New |
| 7 | BlackRock, Inc. | $343,921 | 121,527 | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $280,907 | 99,245 | Added |
| 9 | STIFEL FINANCIAL CORP | $230,510 | 81,452 | Added |
| 10 | Cable Car Capital, LP | $141,500 | 50,000 | Hold |
| 11 | VANGUARD FIDUCIARY TRUST CO | $120,312 | 42,513 | New |
| 12 | NORTHERN TRUST CORP | $75,556 | 26,698 | Added |
| 13 | JANE STREET GROUP, LLC | $68,076 | 24,055 | Added |
| 14 | UBS Group AG | $63,417 | 22,409 | Trimmed |
| 15 | STATE STREET CORP | $61,827 | 21,847 | Hold |
| 16 | MORGAN STANLEY | $59,600 | 21,060 | Added |
| 17 | BAILARD, INC. | $57,633 | 20,365 | Hold |
| 18 | Resurgent Financial Advisors LLC | $56,713 | 20,040 | New |
| 19 | AlphaCore Capital LLC | $40,282 | 14,234 | Trimmed |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $33,292 | 11,764 | Trimmed |
| 21 | FNY Investment Advisers, LLC | $9,000 | 3,402 | New |
| 22 | Vanguard Global Advisers, LLC | $6,051 | 2,138 | New |
| 23 | Westside Investment Management, Inc. | $1,092 | 386 | Trimmed |
| 24 | Royal Bank of Canada | $1,000 | 500 | Hold |
| 25 | JONES FINANCIAL COMPANIES LLLP | $884 | 307 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31