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, Q3 2023
Institutional positions in Spok Holdings, Inc as of Sep 30, 2023. 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
- 97
- +10 vs. Q2 2023
- Shares held
- 10.0M
- −175.0K (−1.7%) vs. Q2 2023
- Total value
- $143.1M
- +$7.70M (+5.7%) vs. Q2 2023
- New holders
- 24
- 30 more added
- Sold out
- 14
- 30 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| The PNC Financial Services Group, Inc. | 12 | $171 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 17 | $243 | 0.00% | +17 | New |
| Quadrant Capital Group LLC | 43 | $614 | 0.00% | +43 | New |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 88 | $1.26K | 0.00% | +88 | New |
| Citadel Advisors LLC | 111 | $1.58K | 0.00% | −16,796−99.3% | Reduced |
| Covestor Ltd | 197 | $3.00K | 0.00% | +197 | New |
| CWM, LLC | 288 | $4.00K | 0.00% | +211+274.0% | Added |
| US Bancorp | 325 | $4.64K | 0.00% | +325 | New |
| Steward Partners Investment Advisory, LLC | 375 | $5.35K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 550 | $7.85K | 0.00% | +550 | New |
| IFP Advisors, Inc | 600 | $8.56K | 0.00% | +200+50.0% | Added |
| South State Corp. | 730 | $10.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 910 | $13.0K | 0.00% | +642+239.6% | Added |
| Metropolitan Life Insurance Co | 970 | $13.8K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,468 | $20.9K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 1,500 | $21.0K | 0.00% | +1,500 | New |
| Legal & General Group Plc | 1,659 | $23.7K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,729 | $25.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 2,380 | $34.0K | 0.00% | −6,263−72.5% | Reduced |
| Qube Research & Technologies Ltd | 2,510 | $35.8K | 0.00% | +2,510 | New |
| Barclays PLC | 3,044 | $43.4K | 0.00% | −508−14.3% | Reduced |
| Citigroup Inc | 3,332 | $47.5K | 0.00% | −1,975−37.2% | Reduced |
| California State Teachers Retirement System | 3,923 | $56.0K | 0.00% | −1,991−33.7% | Reduced |
| Nisa Investment Advisors, LLC | 5,015 | $71.6K | 0.00% | +3,105+162.6% | Added |
| State of Wyoming | 5,187 | $74.0K | 0.02% | +5,187 | New |
| Advisor Group Holdings, Inc. | 5,198 | $74.2K | 0.00% | −28,480−84.6% | Reduced |
| Deutsche Bank AG | 5,533 | $79.0K | 0.00% | +5,533 | New |
| Great West Life Assurance Co | 6,068 | $86.0K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 6,766 | $96.6K | 0.01% | +6,766 | New |
| New York State Common Retirement Fund | 7,486 | $106.8K | 0.00% | +186+2.5% | Added |
| Public Employees Retirement System of Ohio | 7,777 | $111.0K | 0.00% | −9,364−54.6% | Reduced |
| American International Group, Inc. | 8,872 | $126.6K | 0.00% | +316+3.7% | Added |
| MetLife Investment Management | 9,363 | $133.6K | 0.00% | 00.0% | Unchanged |
| Corton Capital Inc. | 10,444 | $149.0K | 0.08% | +10,444 | New |
| Lazard Asset Management LLC | 10,517 | $150.0K | 0.00% | +5,722+119.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 10,878 | $155.2K | 0.00% | −32,000−74.6% | Reduced |
| DekaBank Deutsche Girozentrale | 11,442 | $167.0K | 0.00% | −5,015−30.5% | Reduced |
| BNP Paribas Arbitrage, SA | 11,789 | $168.2K | 0.00% | +5,619+91.1% | Added |
| Wells Fargo & Company | 12,104 | $172.7K | 0.00% | −3,897−24.4% | Reduced |
| JPMorgan Chase & Co | 12,105 | $172.7K | 0.00% | −1,679−12.2% | Reduced |
| SG Americas Securities, LLC | 12,183 | $174.0K | 0.00% | +12,183 | New |
| Balyasny Asset Management LLC | 12,217 | $174.3K | 0.00% | +12,217 | New |
| Susquehanna International Group, LLP | 13,285 | $189.6K | 0.00% | −48,052−78.3% | Reduced |
| Bayesian Capital Management, LP | 13,617 | $194.3K | 0.02% | +13,617 | New |
| Martingale Asset Management L P | 14,717 | $210.0K | 0.00% | +14,717 | New |
| XTX Topco Ltd | 14,719 | $210.0K | 0.04% | +14,719 | New |
| Man Group plc | – | $222.5K | 0.00% | – | – |
| Natixis Advisors, L.P. | 15,800 | $225.0K | 0.00% | +15,800 | New |
| Parallax Volatility Advisers, L.P. | 17,659 | $252.0K | 0.01% | −923−5.0% | Reduced |
| Bank of America Corp | 21,225 | $302.9K | 0.00% | +4,072+23.7% | Added |
| LSV Asset Management | 21,700 | $310.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 23,147 | $330.3K | 0.00% | +2,680+13.1% | Added |
| Captrust Financial Advisors | 24,038 | $343.0K | 0.00% | −15,923−39.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 25,845 | $369.0K | 0.00% | −2,494−8.8% | Reduced |
| Rhumbline Advisers | 25,947 | $370.3K | 0.00% | +813+3.2% | Added |
| Occudo Quantitative Strategies LP | 26,780 | $382.2K | 0.05% | +1,190+4.7% | Added |
| Royal Bank of Canada | 27,105 | $387.0K | 0.00% | −1,444−5.1% | Reduced |
| Winton Group Ltd | 31,561 | $450.4K | 0.04% | +7,422+30.7% | Added |
| UBS Group AG | 33,431 | $477.1K | 0.00% | +6,933+26.2% | Added |
| STRS Ohio | 37,300 | $532.0K | 0.00% | −1,000−2.6% | Reduced |
| Campbell & CO Investment Adviser LLC | 49,559 | $707.2K | 0.08% | +49,559 | New |
| Charles Schwab Investment Management Inc | 52,328 | $746.7K | 0.00% | +1,844+3.7% | Added |
| Jacobs Levy Equity Management, Inc | 53,134 | $758.2K | 0.00% | −65,765−55.3% | Reduced |
| First Trust Advisors LP | 53,569 | $764.4K | 0.00% | +53,569 | New |
| Goldman Sachs Group Inc | 56,760 | $810.0K | 0.00% | +2,558+4.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 57,880 | $825.9K | 0.00% | +220+0.4% | Added |
| Uniplan Investment Counsel, Inc. | 63,589 | $928.0K | 0.07% | +63,589 | New |
| Los Angeles Capital Management LLC | 66,600 | $950.4K | 0.00% | +66,600 | New |
| Trexquant Investment LP | 74,700 | $1.07M | 0.03% | −32,414−30.3% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 76,661 | $1.09M | 0.00% | −53,912−41.3% | Reduced |
| Invesco Ltd. | 80,130 | $1.14M | 0.00% | +16,970+26.9% | Added |
| EAM Investors, LLC | 97,422 | $1.39M | 0.27% | −83,490−46.1% | Reduced |
| Gsa Capital Partners LLP | 99,761 | $1.42M | 0.12% | −9,930−9.1% | Reduced |
| Prudential Financial Inc | 104,640 | $1.49M | 0.00% | +88,600+552.4% | Added |
| Penn Mutual Asset Management, LLC | 110,025 | $1.57M | 1.47% | −57,885−34.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 110,414 | $1.58M | 0.00% | −271,342−71.1% | Reduced |
| Kennedy Capital Management, Inc. | 116,775 | $1.67M | 0.04% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 132,581 | $1.89M | 0.00% | +100,956+319.2% | Added |
| EVR Research LP | 150,000 | $2.14M | 0.57% | +150,000 | New |
| Morgan Stanley | 153,884 | $2.20M | 0.00% | +26,834+21.1% | Added |
| Bank of New York Mellon Corp | 182,745 | $2.61M | 0.00% | +23,299+14.6% | Added |
| Prelude Capital Management, LLC | 185,822 | $2.65M | 0.24% | +632+0.3% | Added |
| Northern Trust Corp | 186,295 | $2.66M | 0.00% | −467−0.3% | Reduced |
| Nuveen Asset Management, LLC | 232,986 | $3.32M | 0.00% | +118,766+104.0% | Added |
| Two Sigma Investments, LP | 247,996 | $3.54M | 0.01% | −93,317−27.3% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 251,323 | $3.59M | 0.02% | −7,510−2.9% | Reduced |
| Acadian Asset Management LLC | 269,976 | $3.85M | 0.02% | +269,976 | New |
| Two Sigma Advisers, LP | 299,900 | $4.28M | 0.01% | +1,500+0.5% | Added |
| State Street Corp | 306,569 | $4.37M | 0.00% | +20,124+7.0% | Added |
| Geode Capital Management, LLC | 417,225 | $5.95M | 0.00% | +22,961+5.8% | Added |
| Foundry Partners, LLC | 455,165 | $6.50M | 0.40% | +1,245+0.3% | Added |
| HighTower Advisors, LLC | 471,793 | $6.73M | 0.01% | −82,434−14.9% | Reduced |
| Dimensional Fund Advisors LP | 758,725 | $10.8M | 0.00% | −55,819−6.9% | Reduced |
| Vanguard Group Inc | 968,574 | $13.8M | 0.00% | +33,347+3.6% | Added |
| Renaissance Technologies LLC | 1,090,222 | $15.6M | 0.03% | −108,695−9.1% | Reduced |
| BlackRock Inc. | 1,338,805 | $19.1M | 0.00% | +108,139+8.8% | Added |
| Bank of Montreal | 0 | $0 | 0.00% | −232,107−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −71,116−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −27,079−100.0% | Sold out |