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, Q2 2023
Institutional positions in Spok Holdings, Inc as of Jun 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
- 87
- +2 vs. Q1 2023
- Shares held
- 10.2M
- +539.3K (+5.6%) vs. Q1 2023
- Total value
- $135.4M
- +$37.3M (+38.0%) vs. Q1 2023
- New holders
- 25
- 22 more added
- Sold out
- 23
- 28 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 1,230,666 | $16.4M | 0.00% | +808,001+191.2% | Added |
| Renaissance Technologies LLC | 1,198,917 | $15.9M | 0.02% | −17,105−1.4% | Reduced |
| Vanguard Group Inc | 935,227 | $12.4M | 0.00% | +78,012+9.1% | Added |
| Dimensional Fund Advisors LP | 814,544 | $10.8M | 0.00% | −42,935−5.0% | Reduced |
| HighTower Advisors, LLC | 554,227 | $7.37M | 0.01% | −1,129−0.2% | Reduced |
| Foundry Partners, LLC | 453,920 | $6.03M | 0.37% | −82,060−15.3% | Reduced |
| Geode Capital Management, LLC | 394,264 | $5.24M | 0.00% | +200,971+104.0% | Added |
| Arrowstreet Capital, Limited Partnership | 381,756 | $5.07M | 0.01% | −83,357−17.9% | Reduced |
| Two Sigma Investments, LP | 341,313 | $4.54M | 0.01% | +12,779+3.9% | Added |
| Two Sigma Advisers, LP | 298,400 | $3.97M | 0.01% | +29,600+11.0% | Added |
| State Street Corp | 286,445 | $3.81M | 0.00% | +218,091+319.1% | Added |
| Fuller & Thaler Asset Management, Inc. | 258,833 | $3.44M | 0.02% | −440−0.2% | Reduced |
| Bank of Montreal | 232,107 | $3.11M | 0.00% | +232,107 | New |
| Northern Trust Corp | 186,762 | $2.48M | 0.00% | +112,961+153.1% | Added |
| Prelude Capital Management, LLC | 185,190 | $2.46M | 0.20% | −632−0.3% | Reduced |
| EAM Investors, LLC | 180,912 | $2.40M | 0.45% | 00.0% | Unchanged |
| Penn Mutual Asset Management, LLC | 167,910 | $2.23M | 2.01% | −213,350−56.0% | Reduced |
| Bank of New York Mellon Corp | 159,446 | $2.12M | 0.00% | +45,364+39.8% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 130,573 | $1.74M | 0.00% | +130,573 | New |
| Morgan Stanley | 127,050 | $1.69M | 0.00% | +60,026+89.6% | Added |
| Jacobs Levy Equity Management, Inc | 118,899 | $1.58M | 0.01% | −124,916−51.2% | Reduced |
| Kennedy Capital Management, Inc. | 116,775 | $1.55M | 0.04% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 114,220 | $1.52M | 0.00% | +79,933+233.1% | Added |
| Gsa Capital Partners LLP | 109,691 | $1.46M | 0.15% | +34,004+44.9% | Added |
| Trexquant Investment LP | 107,114 | $1.42M | 0.04% | +12,216+12.9% | Added |
| Bridgeway Capital Management, LLC | 71,116 | $945.1K | 0.02% | −25,000−26.0% | Reduced |
| Invesco Ltd. | 63,160 | $839.4K | 0.00% | +23,825+60.6% | Added |
| Susquehanna International Group, LLP | 61,337 | $815.2K | 0.00% | −119,087−66.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 57,660 | $766.3K | 0.00% | −746−1.3% | Reduced |
| Goldman Sachs Group Inc | 54,202 | $720.3K | 0.00% | −44,384−45.0% | Reduced |
| Charles Schwab Investment Management Inc | 50,484 | $670.9K | 0.00% | +50,484 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 42,878 | $569.8K | 0.00% | −1,100−2.5% | Reduced |
| Captrust Financial Advisors | 39,961 | $531.1K | 0.00% | +39,961 | New |
| STRS Ohio | 38,300 | $509.0K | 0.00% | +38,300 | New |
| Advisor Group Holdings, Inc. | 33,678 | $445.4K | 0.00% | +33,294+8,670.3% | Added |
| Allspring Global Investments Holdings, LLC | 31,625 | $420.3K | 0.00% | −4,675−12.9% | Reduced |
| Royal Bank of Canada | 28,549 | $380.0K | 0.00% | +11,980+72.3% | Added |
| Cambridge Investment Research Advisors, Inc. | 28,339 | $377.0K | 0.00% | +28,339 | New |
| Man Group plc | 28,200 | $374.8K | 0.00% | – | – |
| Bailard, Inc. | 27,079 | $359.9K | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 26,498 | $352.2K | 0.00% | +21,459+425.9% | Added |
| Occudo Quantitative Strategies LP | 25,590 | $340.1K | 0.04% | −5,901−18.7% | Reduced |
| Rhumbline Advisers | 25,134 | $334.0K | 0.00% | +25,134 | New |
| Winton Group Ltd | 24,139 | $320.8K | 0.03% | +24,139 | New |
| LSV Asset Management | 21,700 | $288.0K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 20,757 | $275.9K | 0.01% | +1,840+9.7% | Added |
| Cubist Systematic Strategies, LLC | 20,467 | $272.0K | 0.00% | −98,782−82.8% | Reduced |
| Parallax Volatility Advisers, L.P. | 18,582 | $247.0K | 0.01% | +18,582 | New |
| Public Employees Retirement System of Ohio | 17,141 | $228.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 17,153 | $228.0K | 0.00% | +14,847+643.8% | Added |
| Engineers Gate Manager LP | 17,087 | $227.1K | 0.01% | −22,909−57.3% | Reduced |
| Citadel Advisors LLC | 16,907 | $224.7K | 0.00% | −1,649−8.9% | Reduced |
| DekaBank Deutsche Girozentrale | 16,457 | $217.0K | 0.00% | +16,457 | New |
| Prudential Financial Inc | 16,040 | $213.2K | 0.00% | +16,040 | New |
| Wells Fargo & Company | 16,001 | $212.7K | 0.00% | +10,330+182.2% | Added |
| Millennium Management LLC | 14,341 | $190.6K | 0.00% | −139,587−90.7% | Reduced |
| JPMorgan Chase & Co | 13,784 | $183.2K | 0.00% | −11,874−46.3% | Reduced |
| Jump Financial, LLC | 13,500 | $179.4K | 0.01% | −2,400−15.1% | Reduced |
| Tocqueville Asset Management L.P. | 10,500 | $139.5K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 10,323 | $137.2K | 0.00% | −21,872−67.9% | Reduced |
| MetLife Investment Management | 9,363 | $124.4K | 0.00% | +9,363 | New |
| FMR LLC | 8,643 | $114.9K | 0.00% | +8,259+2,150.8% | Added |
| American International Group, Inc. | 8,556 | $113.7K | 0.00% | +8,556 | New |
| New York State Common Retirement Fund | 7,300 | $97.0K | 0.00% | +7,300 | New |
| BNP Paribas Arbitrage, SA | 6,170 | $82.0K | 0.00% | +2,170+54.3% | Added |
| Great West Life Assurance Co | 6,068 | $81.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 5,914 | $78.6K | 0.00% | +5,914 | New |
| Citigroup Inc | 5,307 | $70.5K | 0.00% | −34,405−86.6% | Reduced |
| Lazard Asset Management LLC | 4,795 | $63.0K | 0.00% | +4,795 | New |
| Barclays PLC | 3,552 | $47.2K | 0.00% | −59,095−94.3% | Reduced |
| Group One Trading, L.P. | 3,128 | $41.6K | 0.00% | −20,315−86.7% | Reduced |
| Clear Street Markets LLC | 2,500 | $33.0K | 0.01% | +1,200+92.3% | Added |
| Nisa Investment Advisors, LLC | 1,910 | $25.4K | 0.00% | +1,910 | New |
| Amalgamated Bank | 1,729 | $23.0K | 0.00% | +1,729 | New |
| Legal & General Group Plc | 1,659 | $22.0K | 0.00% | +1,659 | New |
| Ameritas Investment Partners, Inc. | 1,468 | $19.5K | 0.00% | +1,468 | New |
| Metropolitan Life Insurance Co | 970 | $12.9K | 0.00% | +970 | New |
| South State Corp. | 730 | $9.70K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 400 | $6.16K | 0.00% | +400 | New |
| Steward Partners Investment Advisory, LLC | 375 | $4.98K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 268 | $3.56K | 0.00% | −6,366−96.0% | Reduced |
| GWM Advisors LLC | 189 | $2.51K | 0.00% | +189 | New |
| Federated Hermes, Inc. | 155 | $2.06K | 0.00% | −24−13.4% | Reduced |
| Capital Advisors, Ltd. LLC | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 77 | $1.00K | 0.00% | +77 | New |
| Ridgewood Investments LLC | 27 | $356 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 12 | $159 | 0.00% | +12 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −181,875−100.0% | Sold out |
| PCG Wealth Advisors, LLC | 0 | $0 | 0.00% | −162,471−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −109,059−100.0% | Sold out |
| Formidable Asset Management, LLC | 0 | $0 | 0.00% | −56,430−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −56,430−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −24,166−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −22,056−100.0% | Sold out |
| Perritt Capital Management Inc | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −18,985−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −18,593−100.0% | Sold out |
| Innovis Asset Management LLC | 0 | $0 | 0.00% | −18,312−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −14,670−100.0% | Sold out |