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 2 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $110.9M in total; no superinvestor holds it.
Q4 2023 vs. Q3 2023
How the institutions holding Spok Holdings, Inc changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Q4 2023 | Change |
|---|---|---|---|
| Holders | 97 | 107 | +10 |
| Shares | 10.0M | 10.2M | +207.9K (+2.1%) |
| Value | $143.1M | $158.2M | +$15.1M (+10.5%) |
New holders (26)
Institutions that held Spok Holdings, Inc at the end of Q4 2023 but not at the end of Q3 2023.
Sold out (16)
Institutions that held Spok Holdings, Inc at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| EVR Research LP | 150,000 | $2.14M |
| Arrowstreet Capital, Limited Partnership | 110,414 | $1.58M |
| Penn Mutual Asset Management, LLC | 110,025 | $1.57M |
| Occudo Quantitative Strategies LP | 26,780 | $382.2K |
| Cubist Systematic Strategies, LLC | 23,147 | $330.3K |
| Parallax Volatility Advisers, L.P. | 17,659 | $252.0K |
| Natixis Advisors, L.P. | 15,800 | $225.0K |
| XTX Topco Ltd | 14,719 | $210.0K |
| Bayesian Capital Management, LP | 13,617 | $194.3K |
| Balyasny Asset Management LLC | 12,217 | $174.3K |
| Corton Capital Inc. | 10,444 | $149.0K |
| Caption Management, LLC | 6,766 | $96.6K |
| Aquatic Capital Management LLC | 1,500 | $21.0K |
| South State Corp. | 730 | $10.4K |
| IFP Advisors, Inc | 600 | $8.56K |
| Venturi Wealth Management, LLC | 88 | $1.26K |