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, Q4 2022
Institutional positions in Spok Holdings, Inc as of Dec 31, 2022. 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
- 78
- +18 vs. Q3 2022
- Shares held
- 10.1M
- +1.16M (+13.0%) vs. Q3 2022
- Total value
- $82.6M
- +$14.4M (+21.1%) vs. Q3 2022
- New holders
- 24
- 23 more added
- Sold out
- 6
- 19 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 1,291,922 | $10.6M | 0.01% | +159,892+14.1% | Added |
| Dimensional Fund Advisors LP | 1,061,440 | $8.69M | 0.00% | −54,104−4.9% | Reduced |
| Vanguard Group Inc | 834,161 | $6.83M | 0.00% | +68,149+8.9% | Added |
| Man Group plc | 666,775 | $5.46M | 0.02% | −57,150−7.9% | Reduced |
| Foundry Partners, LLC | 520,865 | $4.27M | 0.24% | −375−0.1% | Reduced |
| BlackRock Inc. | 454,760 | $3.72M | 0.00% | −24,371−5.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 417,824 | $3.42M | 0.00% | +327,780+364.0% | Added |
| Penn Mutual Asset Management, LLC | 401,260 | $3.29M | 3.67% | +401,260 | New |
| Two Sigma Investments, LP | 355,369 | $2.91M | 0.01% | +161,487+83.3% | Added |
| Two Sigma Advisers, LP | 333,800 | $2.73M | 0.01% | +126,000+60.6% | Added |
| Jacobs Levy Equity Management, Inc | 312,046 | $2.56M | 0.02% | +148,268+90.5% | Added |
| HighTower Advisors, LLC | 307,659 | $2.50M | 0.01% | +155,519+102.2% | Added |
| Morgan Stanley | 282,789 | $2.32M | 0.00% | −560,455−66.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 260,218 | $2.13M | 0.01% | +26,343+11.3% | Added |
| Franklin Resources Inc | 202,951 | $1.66M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 186,467 | $1.53M | 0.00% | +1,892+1.0% | Added |
| Prelude Capital Management, LLC | 184,740 | $1.51M | 0.09% | +58,496+46.3% | Added |
| Millennium Management LLC | 162,665 | $1.33M | 0.00% | −50,424−23.7% | Reduced |
| Kennedy Capital Management, Inc. | 116,775 | $956.4K | 0.03% | −170.0% | Reduced |
| Bank of New York Mellon Corp | 113,381 | $928.6K | 0.00% | −83,607−42.4% | Reduced |
| Bridgeway Capital Management, LLC | 96,116 | $787.2K | 0.02% | −41,800−30.3% | Reduced |
| Granite Point Capital Management, L.P. | 75,000 | $614.3K | 0.74% | 00.0% | Unchanged |
| Marshall Wace, LLP | 72,253 | $591.8K | 0.00% | +72,253 | New |
| Susquehanna International Group, LLP | 71,352 | $584.4K | 0.00% | +71,352 | New |
| Northern Trust Corp | 71,279 | $583.8K | 0.00% | +1,340+1.9% | Added |
| Trexquant Investment LP | 65,257 | $534.5K | 0.02% | +65,257 | New |
| State Street Corp | 64,754 | $530.3K | 0.00% | +5,700+9.7% | Added |
| Goldman Sachs Group Inc | 54,411 | $445.6K | 0.00% | −5,020−8.4% | Reduced |
| Toroso Investments, LLC | 53,238 | $436.0K | 0.02% | −18,322−25.6% | Reduced |
| Gsa Capital Partners LLP | 53,061 | $435.0K | 0.05% | +53,061 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 50,278 | $411.8K | 0.00% | −6,900−12.1% | Reduced |
| Formidable Asset Management, LLC | 48,982 | $401.0K | 0.09% | −22,578−31.6% | Reduced |
| Engineers Gate Manager LP | 47,266 | $387.1K | 0.02% | +24,315+105.9% | Added |
| Invesco Ltd. | 46,961 | $384.6K | 0.00% | −240−0.5% | Reduced |
| PCG Wealth Advisors, LLC | 45,900 | $375.9K | 0.24% | +45,900 | New |
| Citadel Advisors LLC | 40,345 | $330.4K | 0.00% | +21,159+110.3% | Added |
| Blair William & Co | 38,378 | $314.3K | 0.00% | −1,500−3.8% | Reduced |
| Barclays PLC | 37,753 | $309.2K | 0.00% | −697−1.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 36,300 | $297.3K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 35,047 | $287.0K | 0.00% | +35,047 | New |
| Nuveen Asset Management, LLC | 34,287 | $281.0K | 0.00% | +34,287 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 32,471 | $265.9K | 0.00% | −35,084−51.9% | Reduced |
| Bank of America Corp | 30,470 | $249.5K | 0.00% | +18+0.1% | Added |
| Jump Financial, LLC | 27,978 | $229.1K | 0.01% | +13,278+90.3% | Added |
| Bailard, Inc. | 27,079 | $221.8K | 0.01% | +27,079 | New |
| Occudo Quantitative Strategies LP | 27,024 | $221.3K | 0.03% | +27,024 | New |
| AE Wealth Management LLC | 26,537 | $217.3K | 0.00% | +16,257+158.1% | Added |
| Bank of Montreal | 21,800 | $179.6K | 0.00% | +21,800 | New |
| XTX Topco Ltd | 21,361 | $174.9K | 0.04% | +21,361 | New |
| Jenkins Wealth | 21,121 | $173.0K | 0.07% | +21,121 | New |
| RBF Capital, LLC | 20,000 | $164.0K | 0.01% | 00.0% | Unchanged |
| Perritt Capital Management Inc | 20,000 | $163.8K | 0.09% | +20,000 | New |
| Ameriprise Financial Inc | 18,625 | $153.0K | 0.00% | +18,625 | New |
| Public Employees Retirement System of Ohio | 17,141 | $140.0K | 0.00% | +17,141 | New |
| Qube Research & Technologies Ltd | 15,878 | $130.0K | 0.00% | −2,490−13.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 15,500 | $126.9K | 0.00% | +15,500 | New |
| Group One Trading, L.P. | 14,071 | $115.2K | 0.00% | +14,071 | New |
| Hillsdale Investment Management Inc. | 12,600 | $103.2K | 0.01% | +200+1.6% | Added |
| D. E. Shaw & Co., Inc. | 12,580 | $103.0K | 0.00% | +12,580 | New |
| Innovis Asset Management LLC | 12,473 | $102.2K | 0.05% | +12,473 | New |
| Royal Bank of Canada | 12,500 | $102.0K | 0.00% | −12,100−49.2% | Reduced |
| Simplex Trading, LLC | 12,310 | $100.0K | 0.00% | +12,310 | New |
| Dynamic Technology Lab Private Ltd | 10,612 | $87.0K | 0.01% | +10,612 | New |
| Tocqueville Asset Management L.P. | 10,500 | $86.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 10,025 | $82.1K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 9,772 | $80.0K | 0.00% | +9,772 | New |
| Advisor Group Holdings, Inc. | 8,850 | $72.0K | 0.00% | +250+2.9% | Added |
| BNP Paribas Arbitrage, SA | 6,507 | $53.3K | 0.00% | +6,407+6,407.0% | Added |
| Great West Life Assurance Co | 6,068 | $50.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,731 | $30.0K | 0.00% | +564+17.8% | Added |
| South State Corp. | 730 | $5.98K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 375 | $3.07K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 341 | $2.79K | 0.00% | +1+0.3% | Added |
| Wells Fargo & Company | 135 | $1.10K | 0.00% | +4+3.1% | Added |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | +65 | New |
| The PNC Financial Services Group, Inc. | 20 | $164 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 8 | $66 | 0.00% | 00.0% | Unchanged |
| Quent Capital, LLC | 1 | $15 | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −124,800−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Personal Capital Advisors Corp | 0 | $0 | 0.00% | −13,825−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −12,731−100.0% | Sold out |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Professional Financial Advisors, LLC | 0 | $0 | 0.00% | −3,817−100.0% | Sold out |