3 institutions reported holding $839,168 of POWER SOLUTIONS INTL INC COM NEW (PSIX) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hennion & Walsh Asset Management, Inc. ($837,924), GAMMA Investing LLC ($933), MassMutual Private Wealth & Trust, FSB ($311). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hennion & Walsh Asset Management, Inc. | $837,924 | 21,546 | Added |
| 2 | GAMMA Investing LLC | $933 | 24 | Added |
| 3 | MassMutual Private Wealth & Trust, FSB | $311 | 8 | Added |
Source: SEC Form 13F filings · as of 2026-06-30