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, Q1 2024
Institutional positions in Spok Holdings, Inc as of Mar 31, 2024. 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
- 111
- +4 vs. Q4 2023
- Shares held
- 10.0M
- −169.1K (−1.7%) vs. Q4 2023
- Total value
- $160.3M
- +$2.11M (+1.3%) vs. Q4 2023
- New holders
- 20
- 34 more added
- Sold out
- 16
- 40 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 1,417,463 | $22.6M | 0.00% | +8,424+0.6% | Added |
| Vanguard Group Inc | 1,026,201 | $16.4M | 0.00% | +31,888+3.2% | Added |
| Renaissance Technologies LLC | 993,222 | $15.8M | 0.02% | +19,000+2.0% | Added |
| Dimensional Fund Advisors LP | 714,633 | $11.4M | 0.00% | −22,364−3.0% | Reduced |
| HighTower Advisors, LLC | 548,629 | $8.75M | 0.01% | −91,541−14.3% | Reduced |
| Geode Capital Management, LLC | 451,162 | $7.20M | 0.00% | +10,491+2.4% | Added |
| Foundry Partners, LLC | 436,970 | $6.97M | 0.37% | −10,320−2.3% | Reduced |
| State Street Corp | 406,107 | $6.48M | 0.00% | +14,646+3.7% | Added |
| Nuveen Asset Management, LLC | 340,360 | $5.44M | 0.00% | −6,040−1.7% | Reduced |
| Prudential Financial Inc | 335,440 | $5.35M | 0.01% | +28,700+9.4% | Added |
| Hillsdale Investment Management Inc. | 235,700 | $3.76M | 0.30% | +235,700 | New |
| Bank of New York Mellon Corp | 229,907 | $3.67M | 0.00% | −13,790−5.7% | Reduced |
| Northern Trust Corp | 203,496 | $3.25M | 0.00% | +1,379+0.7% | Added |
| Acadian Asset Management LLC | 202,055 | $3.22M | 0.01% | −147,965−42.3% | Reduced |
| Morgan Stanley | 187,313 | $2.99M | 0.00% | −7,789−4.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 179,748 | $2.87M | 0.01% | −71,375−28.4% | Reduced |
| Uniplan Investment Counsel, Inc. | 156,097 | $2.49M | 0.20% | −312−0.2% | Reduced |
| Prelude Capital Management, LLC | 147,885 | $2.36M | 0.16% | −7,950−5.1% | Reduced |
| Two Sigma Advisers, LP | 131,700 | $2.10M | 0.00% | −83,700−38.9% | Reduced |
| Truvestments Capital LLC | 117,118 | $1.87M | 0.72% | +117,118 | New |
| Gsa Capital Partners LLP | 104,258 | $1.66M | 0.13% | +35,390+51.4% | Added |
| Allspring Global Investments Holdings, LLC | 88,773 | $1.42M | 0.00% | −10,512−10.6% | Reduced |
| Citadel Advisors LLC | 80,075 | $1.28M | 0.00% | +40,062+100.1% | Added |
| Goldman Sachs Group Inc | 77,472 | $1.24M | 0.00% | +16,122+26.3% | Added |
| Campbell & CO Investment Adviser LLC | 61,922 | $987.7K | 0.09% | +5,971+10.7% | Added |
| First Trust Advisors LP | 56,621 | $903.1K | 0.00% | +1,713+3.1% | Added |
| Advisor Group Holdings, Inc. | 56,097 | $894.6K | 0.00% | +290+0.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 54,459 | $868.6K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 53,883 | $859.4K | 0.00% | −20,128−27.2% | Reduced |
| Charles Schwab Investment Management Inc | 49,156 | $784.0K | 0.00% | −1,708−3.4% | Reduced |
| Los Angeles Capital Management LLC | 48,900 | $780.0K | 0.00% | −5,980−10.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 47,965 | $765.0K | 0.00% | −4,578−8.7% | Reduced |
| Trexquant Investment LP | 45,541 | $726.4K | 0.01% | +27,030+146.0% | Added |
| UBS Group AG | 36,332 | $579.5K | 0.00% | −1,200−3.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 34,738 | $554.1K | 0.03% | +13,245+61.6% | Added |
| Sierra Summit Advisors LLC | 30,328 | $483.7K | 0.13% | +30,328 | New |
| STRS Ohio | 29,400 | $468.0K | 0.00% | −7,100−19.5% | Reduced |
| Qube Research & Technologies Ltd | 25,135 | $400.9K | 0.00% | +13,128+109.3% | Added |
| Rhumbline Advisers | 24,827 | $396.0K | 0.00% | −1,141−4.4% | Reduced |
| Winton Group Ltd | 23,032 | $367.4K | 0.03% | +3,130+15.7% | Added |
| Janney Montgomery Scott LLC | 22,936 | $366.0K | 0.00% | −21,046−47.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 20,918 | $333.6K | 0.03% | +20,918 | New |
| Guggenheim Capital LLC | 20,381 | $325.1K | 0.00% | +870+4.5% | Added |
| Royal Bank of Canada | 20,148 | $321.0K | 0.00% | −5,642−21.9% | Reduced |
| Franklin Resources Inc | 19,926 | $317.8K | 0.00% | +1,188+6.3% | Added |
| Susquehanna International Group, LLP | 19,797 | $315.8K | 0.00% | −2,577−11.5% | Reduced |
| Two Sigma Investments, LP | 18,287 | $291.7K | 0.00% | −124,841−87.2% | Reduced |
| Bank of America Corp | 17,919 | $285.8K | 0.00% | −8,022−30.9% | Reduced |
| Semanteon Capital Management, LP | 17,822 | $284.3K | 0.18% | +17,822 | New |
| Quest Partners LLC | 17,548 | $279.9K | 0.05% | +17,548 | New |
| Cambridge Investment Research Advisors, Inc. | 17,393 | $277.0K | 0.00% | −4,929−22.1% | Reduced |
| Financial Advocates Investment Management | 17,189 | $274.2K | 0.02% | +17,189 | New |
| Cambria Investment Management, L.P. | 16,712 | $266.6K | 0.02% | +16,712 | New |
| Jane Street Group, LLC | 16,564 | $264.2K | 0.00% | +1,687+11.3% | Added |
| Martingale Asset Management L P | 16,467 | $262.6K | 0.01% | +1,350+8.9% | Added |
| Johnson Investment Counsel Inc | 16,070 | $256.3K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 15,791 | $251.9K | 0.00% | +15,791 | New |
| Bailard, Inc. | 14,725 | $234.9K | 0.01% | +14,725 | New |
| Wells Fargo & Company | 14,669 | $234.0K | 0.00% | −843−5.4% | Reduced |
| Barclays PLC | 12,472 | $198.9K | 0.00% | −11,941−48.9% | Reduced |
| Virtus ETF Advisers LLC | 12,199 | $194.6K | 0.10% | +12,199 | New |
| Nisa Investment Advisors, LLC | 12,115 | $193.2K | 0.00% | +12,100+80,666.7% | Added |
| Aviva PLC | 11,961 | $190.8K | 0.00% | −27,006−69.3% | Reduced |
| Lazard Asset Management LLC | 11,513 | $183.0K | 0.00% | −613−5.1% | Reduced |
| Centiva Capital, LP | 11,370 | $181.4K | 0.01% | +11,370 | New |
| DekaBank Deutsche Girozentrale | 11,442 | $180.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 11,113 | $177.3K | 0.00% | +1,083+10.8% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 10,878 | $173.5K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 10,681 | $170.4K | 0.00% | +10,681 | New |
| Deutsche Bank AG | 9,473 | $151.1K | 0.00% | +255+2.8% | Added |
| FMR LLC | 9,468 | $151.0K | 0.00% | +95+1.0% | Added |
| MetLife Investment Management | 9,363 | $149.3K | 0.00% | 00.0% | Unchanged |
| LSV Asset Management | 8,755 | $140.0K | 0.00% | −12,945−59.7% | Reduced |
| American International Group, Inc. | 8,761 | $139.7K | 0.00% | −75−0.8% | Reduced |
| BNP Paribas Arbitrage, SA | 8,577 | $136.8K | 0.00% | +3,884+82.8% | Added |
| New York State Common Retirement Fund | 7,443 | $118.7K | 0.00% | −7−0.1% | Reduced |
| Great West Life Assurance Co | 7,403 | $118.0K | 0.00% | −81−1.1% | Reduced |
| JPMorgan Chase & Co | 7,067 | $112.7K | 0.00% | −4,770−40.3% | Reduced |
| Tucker Asset Management LLC | 3,126 | $49.9K | 0.01% | −5,037−61.7% | Reduced |
| State of Wyoming | 2,618 | $41.8K | 0.01% | −6,987−72.7% | Reduced |
| Covestor Ltd | 2,216 | $35.0K | 0.02% | +346+18.5% | Added |
| Group One Trading, L.P. | 1,930 | $30.8K | 0.00% | +442+29.7% | Added |
| Simplex Trading, LLC | 1,879 | $29.0K | 0.00% | −1,210−39.2% | Reduced |
| California State Teachers Retirement System | 1,787 | $28.5K | 0.00% | −1,139−38.9% | Reduced |
| US Bancorp | 1,732 | $27.6K | 0.00% | +466+36.8% | Added |
| Ameritas Investment Partners, Inc. | 1,468 | $23.4K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 1,426 | $22.7K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 1,032 | $16.5K | 0.00% | +821+389.1% | Added |
| Metropolitan Life Insurance Co | 970 | $15.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 667 | $10.3K | 0.00% | −4,246−86.4% | Reduced |
| Amalgamated Bank | 600 | $10.0K | 0.00% | −951−61.3% | Reduced |
| Russell Investments Group, Ltd. | 609 | $9.71K | 0.00% | 00.0% | Unchanged |
| Bank of New Hampshire | 570 | $9.09K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 553 | $8.82K | 0.00% | +481+668.1% | Added |
| Parallel Advisors, LLC | 414 | $6.60K | 0.00% | +277+202.2% | Added |
| Macroview Investment Management LLC | 332 | $5.30K | 0.01% | +332 | New |
| CWM, LLC | 306 | $5.00K | 0.00% | +14+4.8% | Added |
| Gen-Wealth Partners Inc | 270 | $4.31K | 0.00% | +270 | New |
| Harbour Investments, Inc. | 250 | $3.99K | 0.00% | +250 | New |
| WealthCollab, LLC | 185 | $2.95K | 0.00% | 00.0% | Unchanged |