5 institutions reported holding $176,195 of Whitestone REIT (WSR) in SEC 13F filings for 2026-06-30. Largest institutional holders: GAMMA Investing LLC ($122,975), MassMutual Private Wealth & Trust, FSB ($21,121), Grove Bank & Trust ($18,960), Versant Capital Management, Inc ($12,400), Cedar Mountain Advisors, LLC ($739). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GAMMA Investing LLC | $122,975 | 6,486 | Added |
| 2 | MassMutual Private Wealth & Trust, FSB | $21,121 | 1,114 | Hold |
| 3 | Grove Bank & Trust | $18,960 | 1,000 | New |
| 4 | Versant Capital Management, Inc | $12,400 | 654 | Hold |
| 5 | Cedar Mountain Advisors, LLC | $739 | 39 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30