Spok Holdings, Inc
SPOK- Exchange
- Nasdaq
- Industry
- Radiotelephone Communications
- SEC CIK
- 0001289945
In the last 90 days, Spok Holdings, Inc insiders filed 0 open-market purchases and 1 sale; 132 institutions reported holding it in 13F filings for Q2 2026, worth $110.9M in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $248.2M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $195.7K in total
- 1
- 13F holdersQ2 2026, −4 vs. previous quarter
- 132
- 13F valueReported value at the end of Q2 2026
- $110.9M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $139.7M
- +1.5% year over year
- Net income, FY2025
- $15.9M
- +6.1% year over year
- Free cash flow, FY2025
- $25.2M
- −2.0% year over year
- Revenue, Q3 FY2026
- $33.0M
- −2.6% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 661.9K
- Shares sold short
- Change
- +6.36K
- +1.0% vs. previous
- Days to cover
- 2.95
- At average daily volume
Superinvestors holding SPOK, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding SPOK at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Spok Holdings, Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 4, 2026 (view filing)4:16 PM ET | Nov 2 | 2 days | Shockley Brett ADirector | SSale | −16.2K | $12.05 | −$195.7K | −37.7%26.8K after | 2 lots |
| Aug 11, 2026 (view filing)4:30 PM ET | Aug 10 | 1 day | Cournoyer ChristineDirector | SSale | −8.32K | $11.28 | −$93.9K | −33.8%16.3K after | |
| Aug 11, 2026 (view filing)4:30 PM ET | Aug 10 | 1 day | Cournoyer ChristineDirector | SSale | 0 | – | $0 | –5.64K after | Derivative |
| Aug 11, 2026 (view filing)4:30 PM ET | Aug 10 | 1 day | Woods-Keisling SharonCorporate Secretary, Treasurer | SSale | −20.0K | $11.30 | −$225.9K | −76.8%6.04K after | |
| Aug 11, 2026 (view filing)4:30 PM ET | Aug 10 | 1 day | Woods-Keisling SharonCorporate Secretary, Treasurer | SSale | 0 | – | $0 | –58.9K after | Derivative |
| Jun 17, 2026 (view filing) | Jun 16 | 1 day | Stein Todd JDirector | PPurchase | +35.2K | $10.41 | +$366.5K | +6.6%566.9K after | 2 lots |
| Jun 17, 2026 (view filing) | Jun 16 | 1 day | Stein Todd JDirector | PPurchase | 0 | – | $0 | 0.0%48.4K after | |
| May 12, 2026 (view filing) | May 11-12 | 1 day | Kelly Vincent DPresident & CEO | PPurchase | +10.0K | $10.69 | +$106.8K | +6.3%167.6K after | 2 lots |
| May 12, 2026 (view filing) | May 11 | 1 day | Kelly Vincent DPresident & CEO | PPurchase | 0 | – | $0 | –208.7K after | Derivative |
| May 6, 2026 (view filing) | May 5 | 1 day | Woods-Keisling SharonCorporate Secretary, Treasurer | SSale | −10.0K | $11.00 | −$110.0K | −27.8%26.0K after |
Top 10 13F holders, Q2 2026
See all 132 holdersThe largest institutional positions in Spok Holdings, Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,719,219 | $17.6M | 0.00% | +42,992+2.6% | Added |
| Renaissance Technologies LLC | 1,148,579 | $11.8M | 0.02% | −113,000−9.0% | Reduced |
| Vanguard Capital Management LLC | 872,359 | $8.93M | 0.00% | +12,829+1.5% | Added |
| Dimensional Fund Advisors LP | 717,616 | $7.35M | 0.00% | +1,747+0.2% | Added |
| Geode Capital Management, LLC | 595,842 | $6.10M | 0.00% | +50,124+9.2% | Added |
| State Street Corp | 471,584 | $4.83M | 0.00% | +9,794+2.1% | Added |
| HighTower Advisors, LLC | 339,892 | $3.48M | 0.00% | −41,923−11.0% | Reduced |
| Qube Research & Technologies Ltd | 287,617 | $2.95M | 0.00% | +115,560+67.2% | Added |
| Goldman Sachs Group Inc | 281,980 | $2.89M | 0.00% | +62,399+28.4% | Added |
| Vanguard Portfolio Management LLC | 273,278 | $2.80M | 0.00% | +8,250+3.1% | Added |
Holders of 5% or more of SPOK
See all 1 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Spok Holdings, Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | 13G | 5.13%1.06M shares | – | Feb 11, 20215 filings | Aug 13, 2025 | SEC |