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 |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 1,216,022 | $12.3M | 0.02% | −75,900−5.9% | Reduced |
| Dimensional Fund Advisors LP | 857,479 | $8.69M | 0.00% | −203,961−19.2% | Reduced |
| Vanguard Group Inc | 857,215 | $8.68M | 0.00% | +23,054+2.8% | Added |
| HighTower Advisors, LLC | 555,356 | $5.62M | 0.01% | +247,697+80.5% | Added |
| Foundry Partners, LLC | 535,980 | $5.43M | 0.34% | +15,115+2.9% | Added |
| Arrowstreet Capital, Limited Partnership | 465,113 | $4.71M | 0.01% | +47,289+11.3% | Added |
| BlackRock Inc. | 422,665 | $4.28M | 0.00% | −32,095−7.1% | Reduced |
| Penn Mutual Asset Management, LLC | 381,260 | $3.86M | 3.66% | −20,000−5.0% | Reduced |
| Two Sigma Investments, LP | 328,534 | $3.33M | 0.01% | −26,835−7.6% | Reduced |
| Two Sigma Advisers, LP | 268,800 | $2.72M | 0.01% | −65,000−19.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 259,273 | $2.63M | 0.02% | −945−0.4% | Reduced |
| Jacobs Levy Equity Management, Inc | 243,815 | $2.47M | 0.02% | −68,231−21.9% | Reduced |
| Geode Capital Management, LLC | 193,293 | $1.96M | 0.00% | +6,826+3.7% | Added |
| Prelude Capital Management, LLC | 185,822 | $1.88M | 0.13% | +1,082+0.6% | Added |
| Marshall Wace, LLP | 181,875 | $1.84M | 0.00% | +109,622+151.7% | Added |
| EAM Investors, LLC | 180,912 | $1.83M | 0.36% | +180,912 | New |
| Susquehanna International Group, LLP | 180,424 | $1.83M | 0.00% | +109,072+152.9% | Added |
| PCG Wealth Advisors, LLC | 162,471 | $1.65M | 1.04% | +116,571+254.0% | Added |
| Millennium Management LLC | 153,928 | $1.56M | 0.00% | −8,737−5.4% | Reduced |
| Cubist Systematic Strategies, LLC | 119,249 | $1.21M | 0.01% | +84,202+240.3% | Added |
| Kennedy Capital Management, Inc. | 116,775 | $1.18M | 0.03% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 114,082 | $1.16M | 0.00% | +701+0.6% | Added |
| Jane Street Group, LLC | 109,059 | $1.10M | 0.00% | +109,059 | New |
| Goldman Sachs Group Inc | 98,586 | $998.7K | 0.00% | +44,175+81.2% | Added |
| Bridgeway Capital Management, LLC | 96,116 | $973.7K | 0.03% | 00.0% | Unchanged |
| Trexquant Investment LP | 94,898 | $961.3K | 0.03% | +29,641+45.4% | Added |
| Gsa Capital Partners LLP | 75,687 | $767.0K | 0.08% | +22,626+42.6% | Added |
| Northern Trust Corp | 73,801 | $747.6K | 0.00% | +2,522+3.5% | Added |
| State Street Corp | 68,354 | $692.4K | 0.00% | +3,600+5.6% | Added |
| Morgan Stanley | 67,024 | $679.0K | 0.00% | −215,765−76.3% | Reduced |
| Barclays PLC | 62,647 | $634.6K | 0.00% | +24,894+65.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 58,406 | $591.7K | 0.00% | +25,935+79.9% | Added |
| 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 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 43,978 | $445.5K | 0.00% | −6,300−12.5% | Reduced |
| Engineers Gate Manager LP | 39,996 | $405.2K | 0.02% | −7,270−15.4% | Reduced |
| Citigroup Inc | 39,712 | $402.3K | 0.00% | +39,712 | New |
| Invesco Ltd. | 39,335 | $398.5K | 0.00% | −7,626−16.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 36,300 | $367.7K | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 34,287 | $347.0K | 0.00% | 00.0% | Unchanged |
| Man Group plc | – | $344.9K | 0.00% | – | – |
| Ameriprise Financial Inc | 32,195 | $326.1K | 0.00% | +13,570+72.9% | Added |
| Occudo Quantitative Strategies LP | 31,491 | $319.0K | 0.03% | +4,467+16.5% | Added |
| Bailard, Inc. | 27,079 | $274.3K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 25,658 | $260.0K | 0.00% | +15,886+162.6% | Added |
| Qube Research & Technologies Ltd | 24,166 | $244.8K | 0.00% | +8,288+52.2% | Added |
| Group One Trading, L.P. | 23,443 | $237.5K | 0.01% | +9,372+66.6% | Added |
| Global Retirement Partners, LLC | 18,917 | $237.4K | 0.01% | +18,917 | New |
| Squarepoint Ops LLC | 22,056 | $223.4K | 0.00% | +22,056 | New |
| LSV Asset Management | 21,700 | $220.0K | 0.00% | +21,700 | New |
| Perritt Capital Management Inc | 20,000 | $202.6K | 0.11% | 00.0% | Unchanged |
| HRT Financial LP | 18,985 | $192.0K | 0.00% | +18,985 | New |
| State of Tennessee, Treasury Department | 18,593 | $188.3K | 0.00% | +18,593 | New |
| Citadel Advisors LLC | 18,556 | $188.0K | 0.00% | −21,789−54.0% | Reduced |
| Innovis Asset Management LLC | 18,312 | $185.5K | 0.08% | +5,839+46.8% | Added |
| Dynamic Technology Lab Private Ltd | 17,400 | $176.0K | 0.02% | +6,788+64.0% | Added |
| Public Employees Retirement System of Ohio | 17,141 | $174.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 16,569 | $168.0K | 0.00% | +4,069+32.6% | Added |
| Jump Financial, LLC | 15,900 | $161.1K | 0.01% | −12,078−43.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 14,670 | $148.6K | 0.00% | −830−5.4% | Reduced |
| Hillsdale Investment Management Inc. | 13,900 | $140.8K | 0.01% | +1,300+10.3% | Added |
| CM Wealth Advisors LLC | 11,049 | $130.0K | 0.03% | +11,049 | New |
| LMR Partners LLP | 10,840 | $109.8K | 0.00% | +10,840 | New |
| Tocqueville Asset Management L.P. | 10,500 | $106.4K | 0.00% | 00.0% | Unchanged |
| AE Wealth Management LLC | 10,416 | $105.5K | 0.00% | −16,121−60.7% | Reduced |
| Quantbot Technologies LP | 9,561 | $96.9K | 0.01% | +9,561 | New |
| Tower Research Capital LLC (TRC) | 6,634 | $67.0K | 0.00% | +2,903+77.8% | Added |
| Great West Life Assurance Co | 6,068 | $61.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 5,671 | $57.4K | 0.00% | +5,536+4,100.7% | Added |
| UBS Group AG | 5,039 | $51.0K | 0.00% | +5,031+62,887.5% | Added |
| Simplex Trading, LLC | 4,579 | $46.0K | 0.00% | −7,731−62.8% | Reduced |
| BNP Paribas Arbitrage, SA | 4,000 | $40.5K | 0.00% | −2,507−38.5% | Reduced |
| Point72 Asset Management, L.P. | 3,810 | $38.6K | 0.00% | +3,810 | New |
| Point72 Middle East FZE | 3,305 | $33.5K | 0.00% | +3,305 | New |
| Bank of America Corp | 2,306 | $23.4K | 0.00% | −28,164−92.4% | Reduced |
| Clear Street Markets LLC | 1,300 | $13.0K | 0.00% | +1,300 | New |
| South State Corp. | 730 | $7.39K | 0.00% | 00.0% | Unchanged |
| Tucker Asset Management LLC | 446 | $4.52K | 0.00% | +446 | New |
| FMR LLC | 384 | $3.89K | 0.00% | +43+12.6% | Added |
| Advisor Group Holdings, Inc. | 384 | $3.89K | 0.00% | −8,466−95.7% | Reduced |
| Steward Partners Investment Advisory, LLC | 375 | $3.80K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 179 | $1.81K | 0.00% | +179 | New |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| 25 LLC | 41 | $528 | 0.00% | +41 | New |
| Ridgewood Investments LLC | 27 | $272 | 0.00% | +27 | New |
| 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 |