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, Q2 2026
Institutional positions in Spok Holdings, Inc as of Jun 30, 2026. 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
- 132
- −4 vs. Q1 2026
- Shares held
- 10.8M
- +344.0K (+3.3%) vs. Q1 2026
- Total value
- $110.9M
- −$3.46M (−3.0%) vs. Q1 2026
- New holders
- 19
- 59 more added
- Sold out
- 23
- 39 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $146.8M |
| Q3 2025 | 143 | $199.7M |
| Q2 2025 | 130 | $194.7M |
| Q1 2025 | 125 | $173.5M |
| Q4 2024 | 116 | $162.1M |
| Q3 2024 | 109 | $155.0M |
| Q2 2024 | 115 | $150.9M |
| Q1 2024 | 111 | $166.4M |
| Q4 2023 | 107 | $161.4M |
| Q3 2023 | 97 | $143.1M |
| Q2 2023 | 87 | $135.4M |
| Q1 2023 | 85 | $98.7M |
| Q4 2022 | 78 | $82.6M |
| Q3 2022 | 60 | $68.2M |
| Q2 2022 | 62 | $61.6M |
| Q1 2022 | 62 | $89.4M |
| Q4 2021 | 71 | $109.7M |
| Q3 2021 | 87 | $119.8M |
| Q2 2021 | 103 | $130.1M |
| Q1 2021 | 102 | $146.0M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,719,219 | $17.6M | 0.00% | +42,992+2.6% | Added |
| Renaissance Technologies LLC | 1,148,579 | $11.8M | 0.02% | −113,000−9.0% | Reduced |
| Vanguard Capital Management LLC | 872,359 | $8.93M | 0.00% | +12,829+1.5% | Added |
| Dimensional Fund Advisors LP | 717,616 | $7.35M | 0.00% | +1,747+0.2% | Added |
| Geode Capital Management, LLC | 595,842 | $6.10M | 0.00% | +50,124+9.2% | Added |
| State Street Corp | 471,584 | $4.83M | 0.00% | +9,794+2.1% | Added |
| HighTower Advisors, LLC | 339,892 | $3.48M | 0.00% | −41,923−11.0% | Reduced |
| Qube Research & Technologies Ltd | 287,617 | $2.95M | 0.00% | +115,560+67.2% | Added |
| Goldman Sachs Group Inc | 281,980 | $2.89M | 0.00% | +62,399+28.4% | Added |
| Vanguard Portfolio Management LLC | 273,278 | $2.80M | 0.00% | +8,250+3.1% | Added |
| Bank of New York Mellon Corp | 234,112 | $2.40M | 0.00% | +16,309+7.5% | Added |
| Northern Trust Corp | 222,895 | $2.28M | 0.00% | +6,352+2.9% | Added |
| Uniplan Investment Counsel, Inc. | 215,764 | $2.21M | 0.21% | +6,162+2.9% | Added |
| CSM Advisors, LLC | 212,910 | $2.18M | 0.05% | −220−0.1% | Reduced |
| United Capital Financial Advisers, LLC | 194,815 | $1.99M | 0.01% | +90,092+86.0% | Added |
| Citadel Advisors LLC | 183,447 | $1.88M | 0.00% | +165,672+932.1% | Added |
| Morgan Stanley | 166,575 | $1.71M | 0.00% | +6,749+4.2% | Added |
| Jacobs Levy Equity Management, Inc | 160,312 | $1.64M | 0.01% | +43,502+37.2% | Added |
| Gsa Capital Partners LLP | 150,124 | $1.54M | 0.10% | +64,300+74.9% | Added |
| Vanguard Fiduciary Trust Co | 136,898 | $1.40M | 0.00% | +7,650+5.9% | Added |
| D. E. Shaw & Co., Inc. | 130,163 | $1.33M | 0.00% | +40,712+45.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 107,475 | $1.10M | 0.00% | −37,376−25.8% | Reduced |
| Panagora Asset Management Inc | 93,030 | $952.6K | 0.00% | +14,735+18.8% | Added |
| North Star Investment Management Corp. | 90,000 | $921.6K | 0.05% | −32,000−26.2% | Reduced |
| FMR LLC | 89,161 | $913.0K | 0.00% | +74,132+493.3% | Added |
| Fidelis Capital Partners, LLC | 75,072 | $768.7K | 0.04% | +71+0.1% | Added |
| Charles Schwab Investment Management Inc | 69,857 | $715.3K | 0.00% | +13,822+24.7% | Added |
| First Trust Advisors LP | 69,321 | $709.8K | 0.00% | +3,823+5.8% | Added |
| JPMorgan Chase & Co | 65,653 | $686.1K | 0.00% | −4,040−5.8% | Reduced |
| Quantinno Capital Management LP | 63,600 | $651.3K | 0.00% | +37,450+143.2% | Added |
| Man Group plc | 57,712 | $591.0K | 0.00% | +9,387+19.4% | Added |
| Victory Capital Management Inc | 57,510 | $588.9K | 0.00% | +14,694+34.3% | Added |
| Keebeck Wealth Management, LLC | 50,000 | $512.0K | 0.05% | 00.0% | Unchanged |
| Nuveen, LLC | 49,408 | $505.9K | 0.00% | −23,928−32.6% | Reduced |
| Campbell & CO Investment Adviser LLC | 48,083 | $492.4K | 0.03% | −2,786−5.5% | Reduced |
| Numerai GP LLC | 46,223 | $473.3K | 0.04% | −22,793−33.0% | Reduced |
| AQR Capital Management LLC | 44,987 | $460.7K | 0.00% | +1,855+4.3% | Added |
| Atom Investors LP | 44,289 | $453.5K | 0.04% | +44,289 | New |
| American Century Companies Inc | 42,490 | $435.1K | 0.00% | −878−2.0% | Reduced |
| Trexquant Investment LP | 39,184 | $401.2K | 0.00% | −89,672−69.6% | Reduced |
| Ameriprise Financial Inc | 39,014 | $399.5K | 0.00% | +22,133+131.1% | Added |
| Russell Investments Group, Ltd. | 38,801 | $397.3K | 0.00% | +30,950+394.2% | Added |
| Invesco Ltd. | 34,792 | $356.3K | 0.00% | +4,317+14.2% | Added |
| Bridgeway Capital Management, LLC | 34,600 | $354.3K | 0.01% | +8,000+30.1% | Added |
| Rhumbline Advisers | 31,535 | $322.9K | 0.00% | +341+1.1% | Added |
| UBS Group AG | 30,573 | $313.1K | 0.00% | +1,555+5.4% | Added |
| Alliancebernstein L.P. | 27,860 | $303.7K | 0.00% | −300−1.1% | Reduced |
| EntryPoint Capital, LLC | 28,852 | $295.4K | 0.07% | +14,002+94.3% | Added |
| Wells Fargo & Company | 28,343 | $290.2K | 0.00% | +9,352+49.2% | Added |
| Guggenheim Capital LLC | 27,026 | $276.7K | 0.00% | +27,026 | New |
| Bank of America Corp | 26,094 | $267.2K | 0.00% | −434−1.6% | Reduced |
| Martingale Asset Management L P | 26,091 | $267.2K | 0.01% | +3,066+13.3% | Added |
| Cambria Investment Management, L.P. | 25,586 | $262.0K | 0.01% | +5,842+29.6% | Added |
| Schonfeld Strategic Advisors LLC | 24,450 | $250.4K | 0.00% | +24,450 | New |
| Two Sigma Investments, LP | 23,150 | $237.1K | 0.00% | +3,250+16.3% | Added |
| Millennium Management LLC | 22,380 | $229.2K | 0.00% | −14,775−39.8% | Reduced |
| Public Employees Retirement System of Ohio | 20,788 | $212.9K | 0.00% | +10,115+94.8% | Added |
| Deutsche Bank AG | 20,075 | $205.6K | 0.00% | +2,101+11.7% | Added |
| Redhawk Wealth Advisors, Inc. | 19,155 | $196.1K | 0.02% | +9,021+89.0% | Added |
| Point72 Asset Management, L.P. | 19,105 | $195.6K | 0.00% | −70,522−78.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 18,432 | $188.7K | 0.01% | −275−1.5% | Reduced |
| Significant Wealth Partners LLC | 18,145 | $185.8K | 0.20% | +1,462+8.8% | Added |
| Mercer Global Advisors Inc | 15,330 | $157.0K | 0.00% | +15,330 | New |
| Occudo Quantitative Strategies LP | 15,215 | $155.8K | 0.01% | −3,733−19.7% | Reduced |
| Canada Pension Plan Investment Board | 15,200 | $155.6K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 15,193 | $155.6K | 0.00% | −71,331−82.4% | Reduced |
| Empowered Funds, LLC | 15,119 | $154.8K | 0.00% | −84−0.6% | Reduced |
| Price T Rowe Associates Inc | 14,791 | $152.0K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 14,010 | $143.5K | 0.00% | +14,010 | New |
| Susquehanna International Group, LLP | 13,927 | $142.6K | 0.00% | +863+6.6% | Added |
| Cetera Investment Advisers | 13,899 | $142.3K | 0.00% | +13,899 | New |
| Amundi | 12,242 | $125.4K | 0.00% | +12,242 | New |
| HSBC Holdings PLC | 12,054 | $124.5K | 0.00% | −29,445−71.0% | Reduced |
| JustInvest LLC | 12,130 | $124.2K | 0.00% | +12,130 | New |
| MetLife Investment Management | 11,276 | $115.5K | 0.00% | +4,804+74.2% | Added |
| Los Angeles Capital Management LLC | 10,905 | $111.7K | 0.00% | +10,905 | New |
| Citigroup Inc | 10,602 | $108.6K | 0.00% | +8,975+551.6% | Added |
| Axq Capital, LP | 10,538 | $107.9K | 0.01% | +255+2.5% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 10,473 | $107.2K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 9,649 | $98.8K | 0.00% | −34−0.4% | Reduced |
| Vanguard Global Advisers, LLC | 8,987 | $92.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 6,840 | $70.0K | 0.03% | −285−4.0% | Reduced |
| Truvestments Capital LLC | 6,795 | $69.6K | 0.01% | −219−3.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 6,597 | $67.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 6,509 | $66.7K | 0.00% | −8,811−57.5% | Reduced |
| Advisor Group Holdings, Inc. | 6,042 | $61.9K | 0.00% | +5,892+3,928.0% | Added |
| New Age Alpha Advisors, LLC | 5,855 | $60.0K | 0.00% | 00.0% | Unchanged |
| Triumph Capital Management | 4,971 | $50.9K | 0.01% | −530−9.6% | Reduced |
| The PNC Financial Services Group, Inc. | 3,924 | $40.2K | 0.00% | +3,374+613.5% | Added |
| BNP Paribas Arbitrage, SA | 3,471 | $35.5K | 0.00% | −918−20.9% | Reduced |
| SBI Securities Co., Ltd. | 2,753 | $28.2K | 0.00% | +894+48.1% | Added |
| Rockefeller Capital Management L.P. | 2,744 | $28.1K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,549 | $26.0K | 0.00% | +1,793+237.2% | Added |
| Tower Research Capital LLC (TRC) | 2,395 | $24.5K | 0.00% | −1,773−42.5% | Reduced |
| Great West Life Assurance Co | 2,386 | $24.0K | 0.00% | −179−7.0% | Reduced |
| IFG Advisory, LLC | 2,231 | $22.8K | 0.00% | +2,231 | New |
| GAMMA Investing LLC | 2,150 | $22.0K | 0.00% | +1,678+355.5% | Added |
| Ameritas Investment Partners, Inc. | 2,080 | $21.3K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 2,000 | $20.5K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,851 | $19.0K | 0.00% | −2,103−53.2% | Reduced |