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