4 institutions reported holding $1.4M of BARRETT BUSINESS SVCS INC COM (BBSI) in SEC 13F filings for 2026-06-30. Largest institutional holders: WILLNER & HELLER, LLC ($1.3M), GAMMA Investing LLC ($78,357), Versant Capital Management, Inc ($9,839), MassMutual Private Wealth & Trust, FSB ($1,883). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | WILLNER & HELLER, LLC | $1.3M | 37,666 | Trimmed |
| 2 | GAMMA Investing LLC | $78,357 | 2,206 | Added |
| 3 | Versant Capital Management, Inc | $9,839 | 277 | Added |
| 4 | MassMutual Private Wealth & Trust, FSB | $1,883 | 53 | New |
Source: SEC Form 13F filings · as of 2026-06-30