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 2021
Institutional positions in Spok Holdings, Inc as of Dec 31, 2021. 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
- 71
- −16 vs. Q3 2021
- Shares held
- 11.6M
- −195.6K (−1.7%) vs. Q3 2021
- Total value
- $107.6M
- −$12.2M (−10.2%) vs. Q3 2021
- New holders
- 8
- 15 more added
- Sold out
- 24
- 33 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sageworth Trust Co | 16 | $0 | 0.00% | −54−77.1% | Reduced |
| The PNC Financial Services Group, Inc. | 20 | $0 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Sageworth Trust Co of South Dakota | 47 | $0 | 0.00% | +47 | New |
| FMR LLC | 340 | $4.00K | 0.00% | 00.0% | Unchanged |
| Professional Financial Advisors, LLC | 748 | $7.00K | 0.00% | +10+1.4% | Added |
| UBS Group AG | 1,898 | $17.0K | 0.00% | −958−33.5% | Reduced |
| Eaton Vance Management | 2,202 | $21.0K | 0.00% | −833−27.4% | Reduced |
| JPMorgan Chase & Co | 3,642 | $34.0K | 0.00% | −93,518−96.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 4,700 | $44.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 5,148 | $48.0K | 0.00% | −936−15.4% | Reduced |
| KBC Group NV | 5,284 | $49.0K | 0.00% | −2,746−34.2% | Reduced |
| Simplex Trading, LLC | 8,208 | $76.0K | 0.00% | +7,807+1,946.9% | Added |
| Advisor Group Holdings, Inc. | 8,600 | $80.0K | 0.00% | +8,500+8,500.0% | Added |
| DLD Asset Management, LP | 10,000 | $93.0K | 0.01% | 00.0% | Unchanged |
| Levin Capital Strategies, L.P. | 10,000 | $93.0K | 0.01% | +10,000 | New |
| Personal Capital Advisors Corp | 10,443 | $97.0K | 0.00% | 00.0% | Unchanged |
| Meristem Family Wealth, LLC | 11,000 | $103.0K | 0.01% | 00.0% | Unchanged |
| First Quadrant L P | 14,600 | $136.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 15,133 | $141.0K | 0.00% | +13,126+654.0% | Added |
| Parametric Portfolio Associates LLC | 15,286 | $143.0K | 0.00% | −4,992−24.6% | Reduced |
| Delphia (USA) Inc. | 16,195 | $151.0K | 0.16% | +16,195 | New |
| Walleye Capital LLC | 19,847 | $185.0K | 0.01% | −51,033−72.0% | Reduced |
| RBF Capital, LLC | 20,000 | $187.0K | 0.01% | 00.0% | Unchanged |
| Prescott Group Capital Management, L.L.C. | 21,598 | $202.0K | 0.05% | −93,099−81.2% | Reduced |
| Royal Bank of Canada | 22,600 | $211.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 22,620 | $211.0K | 0.00% | +20,720+1,090.5% | Added |
| Vazirani Asset Management LLC | 23,670 | $221.0K | 0.25% | +23,670 | New |
| Nuveen Asset Management, LLC | 25,982 | $242.0K | 0.00% | −12,981−33.3% | Reduced |
| Maven Securities LTD | 27,530 | $257.0K | 0.03% | +27,530 | New |
| Invesco Ltd. | 30,991 | $289.0K | 0.00% | −1,851−5.6% | Reduced |
| Engineers Gate Manager LP | 31,213 | $291.0K | 0.01% | −10,227−24.7% | Reduced |
| Barclays PLC | 32,009 | $299.0K | 0.00% | −2,974−8.5% | Reduced |
| Bank of America Corp | 33,483 | $312.0K | 0.00% | −172−0.5% | Reduced |
| Royce & Associates LP | 39,777 | $371.0K | 0.00% | −4,404−10.0% | Reduced |
| Prelude Capital Management, LLC | 93,485 | $375.0K | 0.02% | −1,969−2.1% | Reduced |
| Corton Capital Inc. | 41,784 | $390.0K | 0.17% | +41,784 | New |
| D. E. Shaw & Co., Inc. | 44,921 | $419.0K | 0.00% | −20,333−31.2% | Reduced |
| Verition Fund Management LLC | 46,057 | $430.0K | 0.01% | +46,057 | New |
| Blair William & Co | 48,328 | $451.0K | 0.00% | −73,157−60.2% | Reduced |
| Centiva Capital, LP | 50,000 | $467.0K | 0.03% | 00.0% | Unchanged |
| State Street Corp | 55,172 | $515.0K | 0.00% | +3,660+7.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 64,745 | $604.0K | 0.00% | −9,298−12.6% | Reduced |
| Northern Trust Corp | 70,128 | $654.0K | 0.00% | +2,406+3.6% | Added |
| Citadel Advisors LLC | 70,827 | $661.0K | 0.00% | −16,710−19.1% | Reduced |
| Marshall Wace, LLP | 73,805 | $689.0K | 0.00% | −89,549−54.8% | Reduced |
| Granite Point Capital Management, L.P. | 75,000 | $700.0K | 0.27% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 96,028 | $896.0K | 0.00% | −4,584−4.6% | Reduced |
| Employees Retirement System of Texas | 110,000 | $1.03M | 0.01% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 116,823 | $1.08M | 0.00% | −19,000−14.0% | Reduced |
| Two Sigma Advisers, LP | 124,487 | $1.16M | 0.00% | −69,500−35.8% | Reduced |
| Western Standard LLC | 134,392 | $1.25M | 0.74% | +134,392 | New |
| Kennedy Capital Management, Inc. | 136,519 | $1.27M | 0.03% | −13,905−9.2% | Reduced |
| Bridgeway Capital Management, LLC | 137,816 | $1.29M | 0.02% | −68,100−33.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 144,385 | $1.35M | 0.01% | +44,311+44.3% | Added |
| Geode Capital Management, LLC | 190,766 | $1.78M | 0.00% | +7,557+4.1% | Added |
| Bank of New York Mellon Corp | 192,736 | $1.80M | 0.00% | −64,605−25.1% | Reduced |
| Susquehanna International Group, LLP | 197,504 | $1.84M | 0.00% | +3,958+2.0% | Added |
| Franklin Resources Inc | 215,800 | $2.01M | 0.00% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 227,078 | $2.12M | 0.01% | 00.0% | Unchanged |
| Foundry Partners, LLC | 299,500 | $2.79M | 0.10% | −10,327−3.3% | Reduced |
| Millennium Management LLC | 306,049 | $2.85M | 0.00% | −185,101−37.7% | Reduced |
| BCK Capital Management LP | 325,735 | $3.04M | 2.05% | +192,090+143.7% | Added |
| Tocqueville Asset Management L.P. | 390,400 | $3.64M | 0.05% | −11,200−2.8% | Reduced |
| BlackRock Inc. | 424,385 | $3.96M | 0.00% | +5,320+1.3% | Added |
| Russell Investments Group, Ltd. | 718,937 | $6.71M | 0.01% | +392,044+119.9% | Added |
| Vanguard Group Inc | 749,256 | $6.99M | 0.00% | −89,667−10.7% | Reduced |
| Morgan Stanley | 859,844 | $8.02M | 0.00% | +579,944+207.2% | Added |
| Renaissance Technologies LLC | 1,212,522 | $11.3M | 0.01% | −21,200−1.7% | Reduced |
| Dimensional Fund Advisors LP | 1,309,236 | $12.2M | 0.00% | −19,362−1.5% | Reduced |
| Deprince Race & Zollo Inc | 1,733,996 | $16.2M | 0.41% | +220,474+14.6% | Added |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −378,487−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −211,675−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −52,923−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −39,411−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −39,463−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −26,611−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −25,200−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −19,259−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −16,295−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −15,666−100.0% | Sold out |
| Probity Advisors, Inc. | 0 | $0 | 0.00% | −13,021−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −11,954−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −10,058−100.0% | Sold out |
| Cove Street Capital, LLC | 0 | $0 | 0.00% | −8,800−100.0% | Sold out |
| Great West Life Assurance Co | 0 | $0 | 0.00% | −6,068−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −1,571−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Glen Eagle Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −518−100.0% | Sold out |
| Smithfield Trust Co | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Carroll Financial Associates, Inc. | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −19−100.0% | Sold out |