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 2023
Institutional positions in Spok Holdings, Inc as of Mar 31, 2023. 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
- 85
- +8 vs. Q4 2022
- Shares held
- 9.65M
- −426.4K (−4.2%) vs. Q4 2022
- Total value
- $98.1M
- +$15.6M (+19.0%) vs. Q4 2022
- New holders
- 18
- 33 more added
- Sold out
- 10
- 21 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ridgewood Investments LLC | 27 | $272 | 0.00% | +27 | New |
| 25 LLC | 41 | $528 | 0.00% | +41 | New |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 179 | $1.81K | 0.00% | +179 | New |
| Steward Partners Investment Advisory, LLC | 375 | $3.80K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 384 | $3.89K | 0.00% | −8,466−95.7% | Reduced |
| FMR LLC | 384 | $3.89K | 0.00% | +43+12.6% | Added |
| Tucker Asset Management LLC | 446 | $4.52K | 0.00% | +446 | New |
| South State Corp. | 730 | $7.39K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 1,300 | $13.0K | 0.00% | +1,300 | New |
| Bank of America Corp | 2,306 | $23.4K | 0.00% | −28,164−92.4% | Reduced |
| Point72 Middle East FZE | 3,305 | $33.5K | 0.00% | +3,305 | New |
| Point72 Asset Management, L.P. | 3,810 | $38.6K | 0.00% | +3,810 | New |
| BNP Paribas Arbitrage, SA | 4,000 | $40.5K | 0.00% | −2,507−38.5% | Reduced |
| Simplex Trading, LLC | 4,579 | $46.0K | 0.00% | −7,731−62.8% | Reduced |
| UBS Group AG | 5,039 | $51.0K | 0.00% | +5,031+62,887.5% | Added |
| Wells Fargo & Company | 5,671 | $57.4K | 0.00% | +5,536+4,100.7% | Added |
| Great West Life Assurance Co | 6,068 | $61.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,634 | $67.0K | 0.00% | +2,903+77.8% | Added |
| Quantbot Technologies LP | 9,561 | $96.9K | 0.01% | +9,561 | New |
| AE Wealth Management LLC | 10,416 | $105.5K | 0.00% | −16,121−60.7% | Reduced |
| Tocqueville Asset Management L.P. | 10,500 | $106.4K | 0.00% | 00.0% | Unchanged |
| LMR Partners LLP | 10,840 | $109.8K | 0.00% | +10,840 | New |
| CM Wealth Advisors LLC | 11,049 | $130.0K | 0.03% | +11,049 | New |
| Hillsdale Investment Management Inc. | 13,900 | $140.8K | 0.01% | +1,300+10.3% | Added |
| Schonfeld Strategic Advisors LLC | 14,670 | $148.6K | 0.00% | −830−5.4% | Reduced |
| Jump Financial, LLC | 15,900 | $161.1K | 0.01% | −12,078−43.2% | Reduced |
| Royal Bank of Canada | 16,569 | $168.0K | 0.00% | +4,069+32.6% | Added |
| Public Employees Retirement System of Ohio | 17,141 | $174.0K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 17,400 | $176.0K | 0.02% | +6,788+64.0% | Added |
| Innovis Asset Management LLC | 18,312 | $185.5K | 0.08% | +5,839+46.8% | Added |
| Citadel Advisors LLC | 18,556 | $188.0K | 0.00% | −21,789−54.0% | Reduced |
| State of Tennessee, Treasury Department | 18,593 | $188.3K | 0.00% | +18,593 | New |
| HRT Financial LP | 18,985 | $192.0K | 0.00% | +18,985 | New |
| Perritt Capital Management Inc | 20,000 | $202.6K | 0.11% | 00.0% | Unchanged |
| LSV Asset Management | 21,700 | $220.0K | 0.00% | +21,700 | New |
| Squarepoint Ops LLC | 22,056 | $223.4K | 0.00% | +22,056 | New |
| Global Retirement Partners, LLC | 18,917 | $237.4K | 0.01% | +18,917 | New |
| Group One Trading, L.P. | 23,443 | $237.5K | 0.01% | +9,372+66.6% | Added |
| Qube Research & Technologies Ltd | 24,166 | $244.8K | 0.00% | +8,288+52.2% | Added |
| JPMorgan Chase & Co | 25,658 | $260.0K | 0.00% | +15,886+162.6% | Added |
| Bailard, Inc. | 27,079 | $274.3K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 31,491 | $319.0K | 0.03% | +4,467+16.5% | Added |
| Ameriprise Financial Inc | 32,195 | $326.1K | 0.00% | +13,570+72.9% | Added |
| Man Group plc | – | $344.9K | 0.00% | – | – |
| Nuveen Asset Management, LLC | 34,287 | $347.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 36,300 | $367.7K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 39,335 | $398.5K | 0.00% | −7,626−16.2% | Reduced |
| Citigroup Inc | 39,712 | $402.3K | 0.00% | +39,712 | New |
| Engineers Gate Manager LP | 39,996 | $405.2K | 0.02% | −7,270−15.4% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 43,978 | $445.5K | 0.00% | −6,300−12.5% | Reduced |
| Toroso Investments, LLC | 56,430 | $572.0K | 0.02% | +3,192+6.0% | Added |
| Formidable Asset Management, LLC | 56,430 | $572.0K | 0.12% | +7,448+15.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 58,406 | $591.7K | 0.00% | +25,935+79.9% | Added |
| Barclays PLC | 62,647 | $634.6K | 0.00% | +24,894+65.9% | Added |
| Morgan Stanley | 67,024 | $679.0K | 0.00% | −215,765−76.3% | Reduced |
| State Street Corp | 68,354 | $692.4K | 0.00% | +3,600+5.6% | Added |
| Northern Trust Corp | 73,801 | $747.6K | 0.00% | +2,522+3.5% | Added |
| Gsa Capital Partners LLP | 75,687 | $767.0K | 0.08% | +22,626+42.6% | Added |
| Trexquant Investment LP | 94,898 | $961.3K | 0.03% | +29,641+45.4% | Added |
| Bridgeway Capital Management, LLC | 96,116 | $973.7K | 0.03% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 98,586 | $998.7K | 0.00% | +44,175+81.2% | Added |
| Jane Street Group, LLC | 109,059 | $1.10M | 0.00% | +109,059 | New |
| Bank of New York Mellon Corp | 114,082 | $1.16M | 0.00% | +701+0.6% | Added |
| Kennedy Capital Management, Inc. | 116,775 | $1.18M | 0.03% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 119,249 | $1.21M | 0.01% | +84,202+240.3% | Added |
| Millennium Management LLC | 153,928 | $1.56M | 0.00% | −8,737−5.4% | Reduced |
| PCG Wealth Advisors, LLC | 162,471 | $1.65M | 1.04% | +116,571+254.0% | Added |
| Susquehanna International Group, LLP | 180,424 | $1.83M | 0.00% | +109,072+152.9% | Added |
| EAM Investors, LLC | 180,912 | $1.83M | 0.36% | +180,912 | New |
| Marshall Wace, LLP | 181,875 | $1.84M | 0.00% | +109,622+151.7% | Added |
| Prelude Capital Management, LLC | 185,822 | $1.88M | 0.13% | +1,082+0.6% | Added |
| Geode Capital Management, LLC | 193,293 | $1.96M | 0.00% | +6,826+3.7% | Added |
| Jacobs Levy Equity Management, Inc | 243,815 | $2.47M | 0.02% | −68,231−21.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 259,273 | $2.63M | 0.02% | −945−0.4% | Reduced |
| Two Sigma Advisers, LP | 268,800 | $2.72M | 0.01% | −65,000−19.5% | Reduced |
| Two Sigma Investments, LP | 328,534 | $3.33M | 0.01% | −26,835−7.6% | Reduced |
| Penn Mutual Asset Management, LLC | 381,260 | $3.86M | 3.66% | −20,000−5.0% | Reduced |
| BlackRock Inc. | 422,665 | $4.28M | 0.00% | −32,095−7.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 465,113 | $4.71M | 0.01% | +47,289+11.3% | Added |
| Foundry Partners, LLC | 535,980 | $5.43M | 0.34% | +15,115+2.9% | Added |
| HighTower Advisors, LLC | 555,356 | $5.62M | 0.01% | +247,697+80.5% | Added |
| Vanguard Group Inc | 857,215 | $8.68M | 0.00% | +23,054+2.8% | Added |
| Dimensional Fund Advisors LP | 857,479 | $8.69M | 0.00% | −203,961−19.2% | Reduced |
| Renaissance Technologies LLC | 1,216,022 | $12.3M | 0.02% | −75,900−5.9% | Reduced |
| Franklin Resources Inc | 0 | $0 | 0.00% | −202,951−100.0% | Sold out |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −38,378−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −21,800−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −21,361−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −12,580−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −10,025−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Jenkins Wealth | – | – | – | – | Not filed |