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 | $146.0M |
| 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, 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 |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 57,510 | $588.9K | 0.00% | +14,694+34.3% | Added |
| Man Group plc | 57,712 | $591.0K | 0.00% | +9,387+19.4% | Added |
| Quantinno Capital Management LP | 63,600 | $651.3K | 0.00% | +37,450+143.2% | Added |
| JPMorgan Chase & Co | 65,653 | $686.1K | 0.00% | −4,040−5.8% | Reduced |
| First Trust Advisors LP | 69,321 | $709.8K | 0.00% | +3,823+5.8% | Added |
| Charles Schwab Investment Management Inc | 69,857 | $715.3K | 0.00% | +13,822+24.7% | Added |
| Fidelis Capital Partners, LLC | 75,072 | $768.7K | 0.04% | +71+0.1% | Added |
| FMR LLC | 89,161 | $913.0K | 0.00% | +74,132+493.3% | Added |
| North Star Investment Management Corp. | 90,000 | $921.6K | 0.05% | −32,000−26.2% | Reduced |
| Panagora Asset Management Inc | 93,030 | $952.6K | 0.00% | +14,735+18.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 107,475 | $1.10M | 0.00% | −37,376−25.8% | Reduced |
| D. E. Shaw & Co., Inc. | 130,163 | $1.33M | 0.00% | +40,712+45.5% | Added |
| Vanguard Fiduciary Trust Co | 136,898 | $1.40M | 0.00% | +7,650+5.9% | Added |
| Gsa Capital Partners LLP | 150,124 | $1.54M | 0.10% | +64,300+74.9% | Added |
| Jacobs Levy Equity Management, Inc | 160,312 | $1.64M | 0.01% | +43,502+37.2% | Added |
| Morgan Stanley | 166,575 | $1.71M | 0.00% | +6,749+4.2% | Added |
| Citadel Advisors LLC | 183,447 | $1.88M | 0.00% | +165,672+932.1% | Added |
| United Capital Financial Advisers, LLC | 194,815 | $1.99M | 0.01% | +90,092+86.0% | Added |
| CSM Advisors, LLC | 212,910 | $2.18M | 0.05% | −220−0.1% | Reduced |
| Uniplan Investment Counsel, Inc. | 215,764 | $2.21M | 0.21% | +6,162+2.9% | Added |
| Northern Trust Corp | 222,895 | $2.28M | 0.00% | +6,352+2.9% | Added |
| Bank of New York Mellon Corp | 234,112 | $2.40M | 0.00% | +16,309+7.5% | Added |
| Vanguard Portfolio Management LLC | 273,278 | $2.80M | 0.00% | +8,250+3.1% | Added |
| Goldman Sachs Group Inc | 281,980 | $2.89M | 0.00% | +62,399+28.4% | Added |
| Qube Research & Technologies Ltd | 287,617 | $2.95M | 0.00% | +115,560+67.2% | Added |
| HighTower Advisors, LLC | 339,892 | $3.48M | 0.00% | −41,923−11.0% | Reduced |
| State Street Corp | 471,584 | $4.83M | 0.00% | +9,794+2.1% | Added |
| Geode Capital Management, LLC | 595,842 | $6.10M | 0.00% | +50,124+9.2% | Added |
| Dimensional Fund Advisors LP | 717,616 | $7.35M | 0.00% | +1,747+0.2% | Added |
| Vanguard Capital Management LLC | 872,359 | $8.93M | 0.00% | +12,829+1.5% | Added |
| Renaissance Technologies LLC | 1,148,579 | $11.8M | 0.02% | −113,000−9.0% | Reduced |
| BlackRock, Inc. | 1,719,219 | $17.6M | 0.00% | +42,992+2.6% | Added |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −112,789−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −64,068−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −37,544−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −20,300−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −17,342−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −13,904−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,481−100.0% | Sold out |
| Brady Martz Wealth Solutions, LLC | 0 | $0 | 0.00% | −12,220−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −12,111−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −11,367−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −10,020−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −10,013−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −84−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Godfrey Financial Associates, Inc. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| McIlrath & Eck, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |