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.
13F holders, Q1 2024
Institutional positions in Spok Holdings, Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 111
- +4 vs. Q4 2023
- Shares held
- 10.0M
- −169.1K (−1.7%) vs. Q4 2023
- Total value
- $160.3M
- +$2.11M (+1.3%) vs. Q4 2023
- New holders
- 20
- 34 more added
- Sold out
- 16
- 40 more reduced
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SPOK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 132 | $110.9M |
| Q1 2026 | 139 | $114.4M |
| Q4 2025 | 134 | $146.0M |
| Q3 2025 | 143 | $197.7M |
| Q2 2025 | 130 | $194.4M |
| Q1 2025 | 125 | $173.5M |
| Q4 2024 | 116 | $162.1M |
| Q3 2024 | 109 | $152.0M |
| Q2 2024 | 114 | $150.8M |
| Q1 2024 | 111 | $160.3M |
| Q4 2023 | 107 | $158.2M |
| Q3 2023 | 97 | $143.1M |
| Q2 2023 | 87 | $135.4M |
| Q1 2023 | 85 | $98.1M |
| Q4 2022 | 78 | $82.6M |
| Q3 2022 | 60 | $68.2M |
| Q2 2022 | 62 | $61.6M |
| Q1 2022 | 62 | $89.4M |
| Q4 2021 | 71 | $107.6M |
| Q3 2021 | 87 | $119.8M |
| Q2 2021 | 103 | $130.0M |
| Q1 2021 | 102 | $145.9M |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hillsdale Investment Management Inc. | 235,700 | $3.76M | 0.30% | +235,700 | New |
| Prudential Financial Inc | 335,440 | $5.35M | 0.01% | +28,700+9.4% | Added |
| Nuveen Asset Management, LLC | 340,360 | $5.44M | 0.00% | −6,040−1.7% | Reduced |
| State Street Corp | 406,107 | $6.48M | 0.00% | +14,646+3.7% | Added |
| Foundry Partners, LLC | 436,970 | $6.97M | 0.37% | −10,320−2.3% | Reduced |
| Geode Capital Management, LLC | 451,162 | $7.20M | 0.00% | +10,491+2.4% | Added |
| HighTower Advisors, LLC | 548,629 | $8.75M | 0.01% | −91,541−14.3% | Reduced |
| Dimensional Fund Advisors LP | 714,633 | $11.4M | 0.00% | −22,364−3.0% | Reduced |
| Renaissance Technologies LLC | 993,222 | $15.8M | 0.02% | +19,000+2.0% | Added |
| Vanguard Group Inc | 1,026,201 | $16.4M | 0.00% | +31,888+3.2% | Added |
| BlackRock Inc. | 1,417,463 | $22.6M | 0.00% | +8,424+0.6% | Added |
| EAM Investors, LLC | 0 | $0 | 0.00% | −34,309−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −28,713−100.0% | Sold out |
| Koss-Olinger Consulting, LLC | 0 | $0 | 0.00% | −24,843−100.0% | Sold out |
| Significant Wealth Partners LLC | 0 | $0 | 0.00% | −23,547−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −17,100−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −16,555−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −14,994−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −14,288−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −14,239−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −11,934−100.0% | Sold out |
| Thompson Davis & Co., Inc. | 0 | $0 | 0.00% | −10,800−100.0% | Sold out |
| BCJ Capital Management, LLC | 0 | $0 | 0.00% | −10,027−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −3,335−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −3,170−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −1,933−100.0% | Sold out |