Spok HoldingsSPOK
13F holders, Q1 2026 (March 31)139holders +5
21new positions
17sold out
7famous investors
$10.91avg. 13F price*
At the end of Q1 2026, 139 institutions reported holding Spok Holdings Inc. (SPOK) in their 13F filings, up 5 from Q4 2025. 21 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($18.3M), Renaissance Technologies ($13.8M) and Vanguard Capital Management LLC ($9.4M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Spok Holdings Inc.
- Filed as
- SPOK HLDGS INC (Q1 2026)
- CUSIP
- 84863T106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $5.7M |
| Exits | 17 | $7.0M |
All 13F filers, Q4 2025 → Q1 2026: 994,258 shares bought and 1,549,303 shares sold, net −555,045 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 139 holders
| BlackRock, Inc. | 0.00% | Reduce -6.8% | 1,676,227 | $18.3M |
| Renaissance Technologies | 0.02% | Add +1.2% | 1,261,579 | $13.8M |
| Vanguard Capital Management LLC | 0.00% | — | 859,530 | $9.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +1.7% | 715,869 | $7.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -8.8% | 545,718 | $5.9M |
| State Street Corp. | 0.00% | Add +3.3% | 461,790 | $5.0M |
| HighTower Advisors, LLC | 0.00% | Reduce -0.1% | 381,815 | $4.2M |
| Vanguard Portfolio Management LLC | 0.00% | — | 265,028 | $2.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -39.4% | 219,581 | $2.4M |
| Bank of New York Mellon Corp | 0.00% | Add +2.3% | 217,803 | $2.4M |
| Northern Trust Corp. | 0.00% | Reduce -0.3% | 216,543 | $2.4M |
| CSM Advisors, LLC | 0.06% | Reduce -18.9% | 213,130 | $2.3M |
| Uniplan Investment Counsel, Inc. | 0.24% | Add +30.2% | 209,602 | $2.3M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -3.4% | 172,057 | $1.9M |
| Morgan Stanley | 0.00% | Reduce -10.1% | 159,826 | $1.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -26.4% | 144,851 | $1.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 129,248 | $1.4M |
| Trexquant Investment LP | 0.01% | Reduce -24.5% | 128,856 | $1.4M |
| North Star Investment Management Corp. | 0.08% | No change | 122,000 | $1.3M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -1.8% | 116,810 | $1.3M |
| Marshall Wace, LLP | 0.00% | New | 112,789 | $1.2M |
| United Capital Financial Advisors, LLC | 0.01% | New | 104,723 | $1.1M |
| Point72 Asset Management | 0.00% | Add +378.6% | 89,627 | $977K |
| D. E. Shaw & Co. | 0.00% | Add +26.6% | 89,451 | $975K |
| Jane Street Group, LLC | 0.00% | Add +528.6% | 86,524 | $943K |
| Gsa Capital Partners LLP | 0.06% | Add +114.4% | 85,824 | $935K |
| Panagora Asset Management Inc. | 0.00% | Reduce -15.9% | 78,295 | $853K |
| Fidelis Capital Partners, LLC | 0.06% | New | 75,001 | $818K |
| Nuveen, LLC | 0.00% | Add +0.7% | 73,336 | $799K |
| JPMorgan Chase & Co. | 0.00% | Reduce -24.1% | 69,693 | $783K |
| Numerai GP LLC | 0.08% | New | 69,016 | $752K |
| First Trust Advisors LP | 0.00% | Add +0.6% | 65,498 | $714K |
| Engineers Gate Manager LP | 0.01% | Add +76.2% | 64,068 | $698K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -8.1% | 56,035 | $611K |
| Campbell & CO Investment Adviser LLC | 0.03% | Add +3.7% | 50,869 | $554K |
| Keebeck Wealth Management | 0.06% | Add +25.0% | 50,000 | $545K |
| Man Group plc | 0.00% | Add +82.8% | 48,325 | $527K |
| American Century Companies Inc. | 0.00% | Reduce -0.7% | 43,368 | $473K |
| AQR Capital Management | 0.00% | Add +163.6% | 43,132 | $470K |
| Victory Capital Management Inc. | 0.00% | Add +15.6% | 42,816 | $467K |
| HSBC Holdings PLC | 0.00% | Reduce -31.2% | 41,499 | $458K |
| Dynamic Technology Lab Private Ltd | 0.07% | New | 37,544 | $409K |
| Millennium Management | 0.00% | Reduce -70.5% | 37,155 | $405K |
| Alliancebernstein L.P. | 0.00% | Add +16.6% | 28,160 | $371K |
| Rhumbline Advisers | 0.00% | Reduce -1.1% | 31,194 | $340K |
| Invesco Ltd. | 0.00% | Reduce -1.5% | 30,475 | $332K |
| UBS Group AG | 0.00% | Reduce -49.0% | 29,018 | $316K |
| Bridgeway Capital Management, LLC | 0.01% | New | 26,600 | $290K |
| Bank of America Corp. | 0.00% | Reduce -27.3% | 26,528 | $289K |
| Quantinno Capital Management LP | 0.00% | Reduce -71.8% | 26,150 | $285K |
| Martingale Asset Management L P | 0.01% | Reduce -2.8% | 23,025 | $251K |
| State of Wisconsin Investment Board | 0.00% | Add +82.9% | 20,300 | $221K |
| Two Sigma Investments, LP | 0.00% | Reduce -68.2% | 19,900 | $217K |
| Cambria Investment Management, L.P. | 0.01% | Add +62.5% | 19,744 | $215K |
| Wells Fargo & Company | 0.00% | Reduce -35.9% | 18,991 | $207K |
| Hennion & Walsh Asset Management, Inc. | 0.01% | Reduce -0.7% | 18,707 | $204K |
| Occudo Quantitative Strategies LP | 0.01% | Add +40.0% | 18,948 | $203K |
| Deutsche Bank AG | 0.00% | Add +36.6% | 17,974 | $196K |
| Citadel Advisors | 0.00% | Reduce -64.2% | 17,775 | $194K |
| Aquatic Capital Management LLC | 0.01% | Add +249.2% | 17,342 | $189K |
| Ameriprise Financial Inc. | 0.00% | Reduce -15.6% | 16,881 | $184K |
| Significant Wealth Partners LLC | 0.22% | Add +12.7% | 16,683 | $182K |
| Barclays PLC | 0.00% | Reduce -65.6% | 15,320 | $167K |
| Empowered Funds, LLC | 0.00% | New | 15,203 | $166K |
| Canada Pension Plan Investment Board | 0.00% | No change | 15,200 | $166K |
| FMR LLC | 0.00% | Reduce -88.2% | 15,029 | $164K |
| T. Rowe Price Associates Inc. | 0.00% | Add +37.7% | 14,791 | $162K |
| EntryPoint Capital, LLC | 0.05% | New | 14,850 | $162K |
| Magnetar Financial LLC | 0.00% | Reduce -35.3% | 13,904 | $152K |
| Susquehanna International Group, LLP | 0.00% | New | 13,064 | $142K |
| Squarepoint Ops LLC | 0.00% | Reduce -22.5% | 12,481 | $136K |
| Brady Martz Wealth Solutions, LLC | 0.02% | New | 12,220 | $133K |
| Focus Partners Advisor Solutions, LLC | 0.00% | New | 12,111 | $132K |
| Quadrature Capital Ltd | 0.00% | New | 11,367 | $124K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 10,673 | $116K |
| GMO | 0.00% | Reduce -14.9% | 10,473 | $114K |
| Axq Capital, LP | 0.01% | New | 10,283 | $112K |
| Redhawk Wealth Advisors, Inc. | 0.01% | New | 10,134 | $110K |
| Oxford Asset Management LLP | 0.04% | Reduce -3.2% | 10,020 | $109K |
| State of Wyoming | 0.01% | Add +160.3% | 10,013 | $109K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.5% | 9,683 | $106K |
| Vanguard Global Advisers, LLC | 0.00% | — | 8,987 | $98K |
| Russell Investments Group, Ltd. | 0.00% | Add +110.0% | 7,851 | $86K |
| Virtus Advisers, LLC | 0.04% | Reduce -51.4% | 7,125 | $78K |
| Truvestments Capital LLC | 0.01% | Reduce -20.6% | 7,014 | $76K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 6,597 | $72K |
| MetLife Investment Management, LLC | 0.00% | Reduce -41.4% | 6,472 | $71K |
| Cwm, LLC | 0.00% | Add +585.4% | 5,874 | $64K |
| New Age Alpha Advisors, LLC | 0.00% | No change | 5,855 | $64K |
| Triumph Capital Management | 0.01% | Add +14.6% | 5,501 | $60K |
| BNP Paribas Financial Markets | 0.00% | Reduce -6.3% | 4,389 | $48K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +54.3% | 4,168 | $45K |
| Legal & General Group Plc | 0.00% | No change | 3,954 | $43K |
| Rockefeller Capital Management L.P. | 0.00% | Add +398.9% | 2,744 | $30K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +4.1% | 2,565 | $28K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,080 | $23K |
| Larson Financial Group LLC | 0.00% | No change | 2,000 | $22K |
| SBI Securities Co., Ltd. | 0.00% | Add +6.4% | 1,859 | $21K |
| Citigroup Inc. | 0.00% | Reduce -76.9% | 1,627 | $18K |
| California State Teachers Retirement System | 0.00% | Reduce -12.0% | 1,102 | $12K |
"% of holder's portfolio" is SPOK's weight in each manager's 13F, not the share of Spok Holdings Inc. the manager owns.