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 |
|---|---|---|---|---|---|
| Deprince Race & Zollo Inc | 1,733,996 | $16.2M | 0.41% | +220,474+14.6% | Added |
| Dimensional Fund Advisors LP | 1,309,236 | $12.2M | 0.00% | −19,362−1.5% | Reduced |
| Renaissance Technologies LLC | 1,212,522 | $11.3M | 0.01% | −21,200−1.7% | Reduced |
| Morgan Stanley | 859,844 | $8.02M | 0.00% | +579,944+207.2% | Added |
| Vanguard Group Inc | 749,256 | $6.99M | 0.00% | −89,667−10.7% | Reduced |
| Russell Investments Group, Ltd. | 718,937 | $6.71M | 0.01% | +392,044+119.9% | Added |
| BlackRock Inc. | 424,385 | $3.96M | 0.00% | +5,320+1.3% | Added |
| Tocqueville Asset Management L.P. | 390,400 | $3.64M | 0.05% | −11,200−2.8% | Reduced |
| BCK Capital Management LP | 325,735 | $3.04M | 2.05% | +192,090+143.7% | Added |
| Millennium Management LLC | 306,049 | $2.85M | 0.00% | −185,101−37.7% | Reduced |
| Foundry Partners, LLC | 299,500 | $2.79M | 0.10% | −10,327−3.3% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 227,078 | $2.12M | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 215,800 | $2.01M | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 197,504 | $1.84M | 0.00% | +3,958+2.0% | Added |
| Bank of New York Mellon Corp | 192,736 | $1.80M | 0.00% | −64,605−25.1% | Reduced |
| Geode Capital Management, LLC | 190,766 | $1.78M | 0.00% | +7,557+4.1% | Added |
| Jacobs Levy Equity Management, Inc | 144,385 | $1.35M | 0.01% | +44,311+44.3% | Added |
| Bridgeway Capital Management, LLC | 137,816 | $1.29M | 0.02% | −68,100−33.1% | Reduced |
| Kennedy Capital Management, Inc. | 136,519 | $1.27M | 0.03% | −13,905−9.2% | Reduced |
| Western Standard LLC | 134,392 | $1.25M | 0.74% | +134,392 | New |
| Two Sigma Advisers, LP | 124,487 | $1.16M | 0.00% | −69,500−35.8% | Reduced |
| HighTower Advisors, LLC | 116,823 | $1.08M | 0.00% | −19,000−14.0% | Reduced |
| Employees Retirement System of Texas | 110,000 | $1.03M | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 96,028 | $896.0K | 0.00% | −4,584−4.6% | Reduced |
| Granite Point Capital Management, L.P. | 75,000 | $700.0K | 0.27% | 00.0% | Unchanged |
| Marshall Wace, LLP | 73,805 | $689.0K | 0.00% | −89,549−54.8% | Reduced |
| Citadel Advisors LLC | 70,827 | $661.0K | 0.00% | −16,710−19.1% | Reduced |
| Northern Trust Corp | 70,128 | $654.0K | 0.00% | +2,406+3.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 64,745 | $604.0K | 0.00% | −9,298−12.6% | Reduced |
| State Street Corp | 55,172 | $515.0K | 0.00% | +3,660+7.1% | Added |
| Centiva Capital, LP | 50,000 | $467.0K | 0.03% | 00.0% | Unchanged |
| Blair William & Co | 48,328 | $451.0K | 0.00% | −73,157−60.2% | Reduced |
| Verition Fund Management LLC | 46,057 | $430.0K | 0.01% | +46,057 | New |
| D. E. Shaw & Co., Inc. | 44,921 | $419.0K | 0.00% | −20,333−31.2% | Reduced |
| Corton Capital Inc. | 41,784 | $390.0K | 0.17% | +41,784 | New |
| Prelude Capital Management, LLC | 93,485 | $375.0K | 0.02% | −1,969−2.1% | Reduced |
| Royce & Associates LP | 39,777 | $371.0K | 0.00% | −4,404−10.0% | Reduced |
| Bank of America Corp | 33,483 | $312.0K | 0.00% | −172−0.5% | Reduced |
| Barclays PLC | 32,009 | $299.0K | 0.00% | −2,974−8.5% | Reduced |
| Engineers Gate Manager LP | 31,213 | $291.0K | 0.01% | −10,227−24.7% | Reduced |
| Invesco Ltd. | 30,991 | $289.0K | 0.00% | −1,851−5.6% | Reduced |
| Maven Securities LTD | 27,530 | $257.0K | 0.03% | +27,530 | New |
| Nuveen Asset Management, LLC | 25,982 | $242.0K | 0.00% | −12,981−33.3% | Reduced |
| Vazirani Asset Management LLC | 23,670 | $221.0K | 0.25% | +23,670 | New |
| 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 |
| Prescott Group Capital Management, L.L.C. | 21,598 | $202.0K | 0.05% | −93,099−81.2% | Reduced |
| RBF Capital, LLC | 20,000 | $187.0K | 0.01% | 00.0% | Unchanged |
| Walleye Capital LLC | 19,847 | $185.0K | 0.01% | −51,033−72.0% | Reduced |
| Delphia (USA) Inc. | 16,195 | $151.0K | 0.16% | +16,195 | New |
| Parametric Portfolio Associates LLC | 15,286 | $143.0K | 0.00% | −4,992−24.6% | Reduced |
| Tower Research Capital LLC (TRC) | 15,133 | $141.0K | 0.00% | +13,126+654.0% | Added |
| First Quadrant L P | 14,600 | $136.0K | 0.01% | 00.0% | Unchanged |
| Meristem Family Wealth, LLC | 11,000 | $103.0K | 0.01% | 00.0% | Unchanged |
| Personal Capital Advisors Corp | 10,443 | $97.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Advisor Group Holdings, Inc. | 8,600 | $80.0K | 0.00% | +8,500+8,500.0% | Added |
| Simplex Trading, LLC | 8,208 | $76.0K | 0.00% | +7,807+1,946.9% | Added |
| KBC Group NV | 5,284 | $49.0K | 0.00% | −2,746−34.2% | Reduced |
| Wells Fargo & Company | 5,148 | $48.0K | 0.00% | −936−15.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 4,700 | $44.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 3,642 | $34.0K | 0.00% | −93,518−96.3% | Reduced |
| Eaton Vance Management | 2,202 | $21.0K | 0.00% | −833−27.4% | Reduced |
| UBS Group AG | 1,898 | $17.0K | 0.00% | −958−33.5% | Reduced |
| Professional Financial Advisors, LLC | 748 | $7.00K | 0.00% | +10+1.4% | Added |
| FMR LLC | 340 | $4.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |