Companies / Spok Holdings, Inc
Spok Holdings, Inc
Nasdaq: SPOKCIK 1289945PLANO, TX
Insider flow · last 90 daysNet buys $366.7K
Financials · FY2025
Ownership
20.9M shares outstanding · as of Jul 24, 2026
Ownership
| Institutions | 53.00% | 11,086,967 |
| Public float | 47.00% | 9,831,170 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Stein Todd JFormerDirector | 5.49% | 1,148,047 |
Kelly Vincent DCEOFormerPresident & CEO · Director | 1.39% | 290,273 |
Wallace Michael WFormerChief Operating Officer | 0.35% | 74,034 |
Byrne Barbara PetersonFormerDirector | 0.21% | 43,952 |
Shockley Brett aFormerDirector | 0.18% | 38,238 |
Hyun RandyFormerDirector | 0.17% | 36,561 |
Woods-Keisling SharonFormerCorporate Secretary, Treasurer | 0.12% | 26,036 |
Cournoyer ChristineFormerDirector | 0.11% | 22,140 |
Rice CalvinFormerChief Financial Officer & CAO | 0.10% | 21,359 |
Institutional holders 134
View all →| Holder | Value | % of shares |
|---|---|---|
| $17.60M | 8.22% | |
| $16.21M | 5.88% | |
| $13.75M | 6.03% | |
| $9.28M | 3.36% | |
| $5.95M | 2.61% | |
| $5.04M | 1.83% | |
| $4.83M | 2.25% | |
| $4.78M | 1.73% | |
| $2.86M | 1.04% | |
| $2.60M | 0.94% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Los Angeles Capital Management LLC 13F manager | Exit | Common stock | $-1.41M | -102K -100.00% | 0 | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common stock | $1.23M | +113K | 112,789 0.54% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-966.3K | -89K -70.47% | 37,155 0.18% of shares | low |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-822.6K | -80K -4.46% | 1,719,219 8.22% of shares | low |
| Q2 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-785.4K | -59K -94.33% | 3,552 0.02% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Trim | Common stock | $-576.0K | -53K -8.83% | 545,718 2.61% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-465.3K | -43K -68.20% | 19,900 0.10% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $355.7K | +20K +84.63% | 43,897 0.21% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SPOK | — | 84863T106 |