3 institutions reported holding $210,760 of SPOK HLDGS INC COM (SPOK) in SEC 13F filings for 2026-06-30. Largest institutional holders: Hennion & Walsh Asset Management, Inc. ($188,744), GAMMA Investing LLC ($22,016), Versant Capital Management, Inc ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Hennion & Walsh Asset Management, Inc. | $188,744 | 18,432 | Trimmed |
| 2 | GAMMA Investing LLC | $22,016 | 2,150 | Added |
| 3 | Versant Capital Management, Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30