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 2025
Institutional positions in Spok Holdings, Inc as of Dec 31, 2025. 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
- 134
- −6 vs. Q3 2025
- Shares held
- 11.1M
- −362.8K (−3.2%) vs. Q3 2025
- Total value
- $146.0M
- −$51.1M (−25.9%) vs. Q3 2025
- New holders
- 22
- 40 more added
- Sold out
- 28
- 54 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 2 | $26 | 0.00% | −38−95.0% | Reduced |
| Essential Partners LLC | 3 | $40 | 0.00% | −72−96.0% | Reduced |
| Allworth Financial LP | 9 | $119 | 0.00% | −184−95.3% | Reduced |
| SRS Capital Advisors, Inc. | 16 | $211 | 0.00% | −975−98.4% | Reduced |
| Fifth Third Bancorp | 16 | $211 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 24 | $317 | 0.00% | +24 | New |
| Quadrant Capital Group LLC | 27 | $357 | 0.00% | −1,269−97.9% | Reduced |
| IFP Advisors, Inc | 28 | $369 | 0.00% | −189−87.1% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 30 | $396 | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 34 | $449 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 45 | $594 | 0.00% | +45 | New |
| EverSource Wealth Advisors, LLC | 48 | $633 | 0.00% | −85−63.9% | Reduced |
| Godfrey Financial Associates, Inc. | 50 | $660 | 0.00% | +50 | New |
| SageView Advisory Group, LLC | 60 | $792 | 0.00% | +60 | New |
| Zions Bancorporation, National Association | 61 | $805 | 0.00% | +61 | New |
| TD Waterhouse Canada Inc. | 68 | $898 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 70 | $923 | 0.00% | −418−85.7% | Reduced |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 76 | $1.00K | 0.00% | −310−80.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 100 | $1.32K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 105 | $1.39K | 0.00% | +105 | New |
| Harbour Investments, Inc. | 120 | $1.58K | 0.00% | −335−73.6% | Reduced |
| UBS Asset Management Americas Inc | 138 | $1.82K | 0.00% | +138 | New |
| Geneos Wealth Management Inc. | 200 | $2.64K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 209 | $2.76K | 0.00% | −87−29.4% | Reduced |
| Parallel Advisors, LLC | 258 | $3.40K | 0.00% | −1,538−85.6% | Reduced |
| Optiver Holding B.V. | 266 | $3.51K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 313 | $4.13K | 0.00% | −170−35.2% | Reduced |
| Advisor Group Holdings, Inc. | 350 | $4.62K | 0.00% | −2,706−88.5% | Reduced |
| New York State Common Retirement Fund | 450 | $5.94K | 0.00% | −7,000−94.0% | Reduced |
| Covestor Ltd | 486 | $7.00K | 0.00% | +28+6.1% | Added |
| Rockefeller Capital Management L.P. | 550 | $7.25K | 0.00% | +550 | New |
| State of Alaska, Department of Revenue | 653 | $8.00K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 640 | $8.00K | 0.00% | +40+6.7% | Added |
| GWM Advisors LLC | 643 | $8.48K | 0.00% | +194+43.2% | Added |
| Nisa Investment Advisors, LLC | 792 | $10.4K | 0.00% | +746+1,621.7% | Added |
| CWM, LLC | 857 | $11.0K | 0.00% | −2,453−74.1% | Reduced |
| Sterling Capital Management LLC | 1,174 | $15.5K | 0.00% | −232−16.5% | Reduced |
| California State Teachers Retirement System | 1,252 | $16.5K | 0.00% | −17−1.3% | Reduced |
| McIlrath & Eck, LLC | 1,451 | $19.1K | 0.00% | −715−33.0% | Reduced |
| Kestra Advisory Services, LLC | 1,738 | $22.9K | 0.00% | +1,738 | New |
| SBI Securities Co., Ltd. | 1,747 | $23.0K | 0.00% | −569−24.6% | Reduced |
| GAMMA Investing LLC | 1,839 | $24.3K | 0.00% | +1,207+191.0% | Added |
| Larson Financial Group LLC | 2,000 | $26.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,080 | $27.4K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 2,465 | $33.0K | 0.00% | +1,013+69.8% | Added |
| Tower Research Capital LLC (TRC) | 2,702 | $35.6K | 0.00% | +1,607+146.8% | Added |
| Royal Bank of Canada | 3,100 | $40.0K | 0.00% | +2,004+182.8% | Added |
| Russell Investments Group, Ltd. | 3,738 | $49.3K | 0.00% | −813−17.9% | Reduced |
| State of Wyoming | 3,846 | $50.7K | 0.01% | −19,525−83.5% | Reduced |
| Legal & General Group Plc | 3,954 | $52.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,686 | $61.8K | 0.00% | −13,715−74.5% | Reduced |
| Triumph Capital Management | 4,801 | $63.3K | 0.01% | +4,801 | New |
| Aquatic Capital Management LLC | 4,966 | $65.5K | 0.00% | +4,966 | New |
| New Age Alpha Advisors, LLC | 5,855 | $77.2K | 0.00% | −715−10.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 6,597 | $87.0K | 0.00% | +394+6.4% | Added |
| Versant Capital Management, Inc | 6,650 | $87.7K | 0.01% | +6,650 | New |
| Citigroup Inc | 7,032 | $92.8K | 0.00% | +156+2.3% | Added |
| Truvestments Capital LLC | 8,828 | $116.4K | 0.02% | −2,923−24.9% | Reduced |
| Quest Partners LLC | 9,168 | $120.9K | 0.01% | +217+2.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 9,445 | $124.6K | 0.00% | −108−1.1% | Reduced |
| Oxford Asset Management LLP | 10,352 | $136.5K | 0.05% | +10,352 | New |
| Public Employees Retirement System of Ohio | 10,673 | $140.8K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 10,744 | $142.0K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 11,051 | $145.8K | 0.00% | −645−5.5% | Reduced |
| State of Wisconsin Investment Board | 11,100 | $146.4K | 0.00% | +11,100 | New |
| Carlson Financial, Inc. | 11,233 | $148.2K | 0.09% | +11,233 | New |
| Algert Global LLC | 12,080 | $159.3K | 0.00% | +1,080+9.8% | Added |
| Cambria Investment Management, L.P. | 12,154 | $160.3K | 0.01% | +12,154 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 12,307 | $162.3K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 13,154 | $173.5K | 0.00% | −238−1.8% | Reduced |
| Occudo Quantitative Strategies LP | 13,532 | $178.5K | 0.01% | +754+5.9% | Added |
| Jane Street Group, LLC | 13,764 | $181.5K | 0.00% | −26,336−65.7% | Reduced |
| Hillsdale Investment Management Inc. | 14,100 | $186.0K | 0.01% | −2,400−14.5% | Reduced |
| Virtus ETF Advisers LLC | 14,663 | $193.4K | 0.09% | +8,313+130.9% | Added |
| Significant Wealth Partners LLC | 14,798 | $195.2K | 0.22% | −11,171−43.0% | Reduced |
| Canada Pension Plan Investment Board | 15,200 | $200.5K | 0.00% | +15,200 | New |
| Squarepoint Ops LLC | 16,112 | $212.5K | 0.00% | +16,112 | New |
| AQR Capital Management LLC | 16,366 | $215.9K | 0.00% | −26,914−62.2% | Reduced |
| Point72 Asset Management, L.P. | 18,725 | $247.0K | 0.00% | +18,725 | New |
| Hennion & Walsh Asset Management, Inc. | 18,846 | $248.6K | 0.01% | −31,092−62.3% | Reduced |
| Brevan Howard Capital Management LP | 19,185 | $253.1K | 0.00% | +19,185 | New |
| Ameriprise Financial Inc | 20,009 | $263.9K | 0.00% | +912+4.8% | Added |
| Magnetar Financial LLC | 21,481 | $283.3K | 0.00% | +21,481 | New |
| Boothbay Fund Management, LLC | 22,231 | $293.2K | 0.01% | +22,231 | New |
| State Board of Administration of Florida Retirement System | 22,698 | $299.4K | 0.00% | −9,016−28.4% | Reduced |
| Martingale Asset Management L P | 23,694 | $312.5K | 0.01% | −9,182−27.9% | Reduced |
| Alliancebernstein L.P. | 24,160 | $318.7K | 0.00% | +3,500+16.9% | Added |
| Man Group plc | 26,439 | $348.7K | 0.00% | +1,065+4.2% | Added |
| Wells Fargo & Company | 29,634 | $390.9K | 0.00% | +6,745+29.5% | Added |
| Invesco Ltd. | 30,930 | $408.0K | 0.00% | −1,854−5.7% | Reduced |
| Rhumbline Advisers | 31,534 | $415.9K | 0.00% | −8,429−21.1% | Reduced |
| Engineers Gate Manager LP | 36,356 | $479.5K | 0.01% | +3,104+9.3% | Added |
| Bank of America Corp | 36,487 | $481.3K | 0.00% | −22,929−38.6% | Reduced |
| Victory Capital Management Inc | 37,037 | $488.5K | 0.00% | +14,149+61.8% | Added |
| Keebeck Wealth Management, LLC | 40,000 | $527.6K | 0.06% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 40,028 | $528.0K | 0.05% | +13,080+48.5% | Added |
| Two Sigma Advisers, LP | 42,072 | $554.9K | 0.00% | −25,728−37.9% | Reduced |
| American Century Companies Inc | 43,683 | $576.2K | 0.00% | +276+0.6% | Added |
| Barclays PLC | 44,520 | $587.2K | 0.00% | +2,313+5.5% | Added |