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 2025
Institutional positions in Spok Holdings, Inc as of Mar 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
- 125
- +10 vs. Q4 2024
- Shares held
- 10.6M
- +535.8K (+5.3%) vs. Q4 2024
- Total value
- $173.5M
- +$12.7M (+7.9%) vs. Q4 2024
- New holders
- 23
- 41 more added
- Sold out
- 13
- 39 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 0 | $33 | 0.00% | 0 | Unchanged |
| EverSource Wealth Advisors, LLC | 8 | $132 | 0.00% | −22−73.3% | Reduced |
| CoreCap Advisors, LLC | 15 | $247 | 0.00% | +15 | New |
| Kayne Anderson Rudnick Investment Management LLC | 30 | $493 | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 34 | $559 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 40 | $658 | 0.00% | +15+60.0% | Added |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 72 | $1.18K | 0.00% | +72 | New |
| Coldstream Capital Management Inc | 89 | $1.46K | 0.00% | +89 | New |
| Steward Partners Investment Advisory, LLC | 100 | $1.64K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 101 | $1.66K | 0.00% | +89+741.7% | Added |
| Farther Finance Advisors, LLC | 174 | $2.89K | 0.00% | +2+1.2% | Added |
| Geneos Wealth Management Inc. | 200 | $3.29K | 0.00% | +200 | New |
| Point72 (DIFC) Ltd | 204 | $3.35K | 0.00% | +204 | New |
| Gen-Wealth Partners Inc | 270 | $4.44K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 316 | $5.20K | 0.00% | −271−46.2% | Reduced |
| Signaturefd, LLC | 323 | $5.31K | 0.00% | −376−53.8% | Reduced |
| Covestor Ltd | 428 | $7.00K | 0.00% | −1,062−71.3% | Reduced |
| Harbour Investments, Inc. | 455 | $7.48K | 0.00% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 470 | $7.73K | 0.00% | +470 | New |
| Quadrant Capital Group LLC | 522 | $8.58K | 0.00% | +501+2,385.7% | Added |
| Jones Financial Companies LLLP | 532 | $8.70K | 0.00% | +219+70.0% | Added |
| Bank of New Hampshire | 570 | $9.37K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 595 | $9.78K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 600 | $9.86K | 0.00% | +202+50.8% | Added |
| Amalgamated Bank | 600 | $10.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 661 | $10.9K | 0.00% | −723−52.2% | Reduced |
| Lazard Asset Management LLC | 777 | $12.0K | 0.00% | −5,091−86.8% | Reduced |
| Parallel Advisors, LLC | 730 | $12.0K | 0.00% | +370+102.8% | Added |
| Darwin Advisors, LLC | 792 | $12.7K | 0.00% | 00.0% | Unchanged |
| Mechanics Financial Corp | 813 | $13.4K | 0.01% | +813 | New |
| BNP Paribas Arbitrage, SA | 1,094 | $18.0K | 0.00% | −1,467−57.3% | Reduced |
| Great West Life Assurance Co | 1,226 | $20.0K | 0.00% | +155+14.5% | Added |
| California State Teachers Retirement System | 1,325 | $21.8K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 1,451 | $23.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,468 | $24.1K | 0.00% | 00.0% | Unchanged |
| Hager Investment Management Services, LLC | 1,498 | $24.6K | 0.02% | 00.0% | Unchanged |
| CWM, LLC | 1,743 | $29.0K | 0.00% | +1,317+309.2% | Added |
| Russell Investments Group, Ltd. | 1,866 | $30.7K | 0.00% | +741+65.9% | Added |
| Larson Financial Group LLC | 2,000 | $32.9K | 0.00% | +250+14.3% | Added |
| SBI Securities Co., Ltd. | 2,200 | $36.2K | 0.00% | +844+62.2% | Added |
| US Bancorp | 2,790 | $45.9K | 0.00% | +2,500+862.1% | Added |
| Advisor Group Holdings, Inc. | 3,530 | $58.0K | 0.00% | −517−12.8% | Reduced |
| Nisa Investment Advisors, LLC | 3,790 | $62.3K | 0.00% | +3,759+12,125.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 4,304 | $70.8K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,546 | $91.2K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 6,429 | $106.0K | 0.00% | −1,592−19.8% | Reduced |
| State of Wyoming | 6,501 | $106.9K | 0.01% | +6,501 | New |
| New York State Common Retirement Fund | 7,450 | $122.5K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 8,961 | $147.3K | 0.00% | −133−1.5% | Reduced |
| Virtus Investment Advisers, Inc. | 9,392 | $154.4K | 0.04% | +9,392 | New |
| Alliancebernstein L.P. | 10,060 | $165.4K | 0.00% | +10,060 | New |
| Cambridge Investment Research Advisors, Inc. | 10,297 | $169.0K | 0.00% | −10−0.1% | Reduced |
| EntryPoint Capital, LLC | 10,322 | $169.7K | 0.08% | +10,322 | New |
| MetLife Investment Management | 10,333 | $169.9K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 10,623 | $174.6K | 0.01% | +8,480+395.7% | Added |
| Public Employees Retirement System of Ohio | 10,673 | $175.5K | 0.00% | −1,530−12.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 10,970 | $180.3K | 0.00% | +468+4.5% | Added |
| DekaBank Deutsche Girozentrale | 11,442 | $183.0K | 0.00% | +11,442 | New |
| Cerity Partners LLC | 11,940 | $196.3K | 0.00% | +555+4.9% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 12,307 | $202.3K | 0.00% | +1,429+13.1% | Added |
| Quest Partners LLC | 12,737 | $209.4K | 0.02% | +6,570+106.5% | Added |
| Franklin Resources Inc | 13,464 | $221.3K | 0.00% | +13,464 | New |
| Citigroup Inc | 13,764 | $226.3K | 0.00% | −6,281−31.3% | Reduced |
| Jump Financial, LLC | 16,144 | $265.4K | 0.00% | +16,144 | New |
| Financial Advocates Investment Management | 16,349 | $268.8K | 0.02% | −662−3.9% | Reduced |
| AQR Capital Management LLC | 16,464 | $270.7K | 0.00% | +16,464 | New |
| Occudo Quantitative Strategies LP | 17,513 | $286.5K | 0.04% | +17,513 | New |
| Deutsche Bank AG | 17,429 | $286.5K | 0.00% | −2,646−13.2% | Reduced |
| FMR LLC | 19,343 | $318.0K | 0.00% | −947−4.7% | Reduced |
| Martingale Asset Management L P | 19,516 | $320.8K | 0.01% | +206+1.1% | Added |
| Truvestments Capital LLC | 20,471 | $336.5K | 0.07% | −109,061−84.2% | Reduced |
| Bank of America Corp | 21,116 | $347.1K | 0.00% | −5,862−21.7% | Reduced |
| Significant Wealth Partners LLC | 22,167 | $364.4K | 0.19% | +3,768+20.5% | Added |
| Stifel Financial Corp | 22,993 | $378.0K | 0.00% | +4,202+22.4% | Added |
| Wells Fargo & Company | 23,407 | $384.8K | 0.00% | +3,975+20.5% | Added |
| Royal Bank of Canada | 23,675 | $389.0K | 0.00% | −1,355−5.4% | Reduced |
| Barclays PLC | 23,776 | $390.9K | 0.00% | −3,737−13.6% | Reduced |
| Gsa Capital Partners LLP | 25,677 | $422.0K | 0.04% | −11,059−30.1% | Reduced |
| Susquehanna International Group, LLP | 25,673 | $422.1K | 0.00% | +11,428+80.2% | Added |
| Engineers Gate Manager LP | 26,906 | $442.3K | 0.01% | −3,634−11.9% | Reduced |
| Man Group plc | 27,244 | $447.9K | 0.00% | +27,244 | New |
| Los Angeles Capital Management LLC | 28,350 | $466.1K | 0.00% | −4,150−12.8% | Reduced |
| Jane Street Group, LLC | 28,394 | $466.8K | 0.00% | +28,394 | New |
| Ameriprise Financial Inc | 30,779 | $506.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 30,836 | $506.9K | 0.00% | −13,328−30.2% | Reduced |
| Rhumbline Advisers | 33,032 | $543.0K | 0.00% | −1,822−5.2% | Reduced |
| State Board of Administration of Florida Retirement System | 33,473 | $550.3K | 0.00% | −11,145−25.0% | Reduced |
| Panagora Asset Management Inc | 33,863 | $556.7K | 0.00% | +33,863 | New |
| American Century Companies Inc | 34,097 | $560.6K | 0.00% | +4,170+13.9% | Added |
| Cubist Systematic Strategies, LLC | 36,604 | $601.8K | 0.01% | +36,604 | New |
| Invesco Ltd. | 38,094 | $626.3K | 0.00% | −2,022−5.0% | Reduced |
| Millennium Management LLC | 48,503 | $797.4K | 0.00% | −4,426−8.4% | Reduced |
| CWM Advisors, LLC | 48,600 | $799.0K | 0.09% | −1,314−2.6% | Reduced |
| Keebeck Wealth Management, LLC | 50,000 | $822.0K | 0.12% | 00.0% | Unchanged |
| Marshall Wace, LLP | 53,257 | $875.5K | 0.00% | +53,257 | New |
| Hennion & Walsh Asset Management, Inc. | 54,061 | $888.8K | 0.04% | +3,840+7.6% | Added |
| Charles Schwab Investment Management Inc | 55,314 | $909.4K | 0.00% | +1,966+3.7% | Added |
| Two Sigma Investments, LP | 63,830 | $1.05M | 0.00% | +63,830 | New |
| Two Sigma Advisers, LP | 66,300 | $1.09M | 0.00% | +33,500+102.1% | Added |