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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 2021

Institutional positions in Spok Holdings, Inc as of Mar 31, 2021. 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
102
No complete 13F data for Q4 2020
Shares held
13.9M
No complete 13F data for Q4 2020
Total value
$145.9M
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 102 institutions
Q1 2021: 102 institutionsQ2 2021: 103 institutionsQ3 2021: 87 institutionsQ4 2021: 71 institutionsQ1 2022: 62 institutionsQ2 2022: 62 institutionsQ3 2022: 60 institutionsQ4 2022: 78 institutionsQ1 2023: 85 institutionsQ2 2023: 87 institutionsQ3 2023: 97 institutionsQ4 2023: 107 institutionsQ1 2024: 111 institutionsQ2 2024: 114 institutionsQ3 2024: 109 institutionsQ4 2024: 116 institutionsQ1 2025: 125 institutionsQ2 2025: 130 institutionsQ3 2025: 143 institutionsQ4 2025: 134 institutionsQ1 2026: 139 institutionsQ2 2026: 132 institutions
Value heldQ1 2021: $145.9M
Q1 2021: $145.9MQ2 2021: $130.0MQ3 2021: $119.8MQ4 2021: $107.6MQ1 2022: $89.4MQ2 2022: $61.6MQ3 2022: $68.2MQ4 2022: $82.6MQ1 2023: $98.1MQ2 2023: $135.4MQ3 2023: $143.1MQ4 2023: $158.2MQ1 2024: $160.3MQ2 2024: $150.8MQ3 2024: $152.0MQ4 2024: $162.1MQ1 2025: $173.5MQ2 2025: $194.4MQ3 2025: $197.7MQ4 2025: $146.0MQ1 2026: $114.4MQ2 2026: $110.9M
Institutions holding SPOK and their total value by quarter
QuarterHoldersValue
Q2 2026132$110.9M
Q1 2026139$114.4M
Q4 2025134$146.0M
Q3 2025143$197.7M
Q2 2025130$194.4M
Q1 2025125$173.5M
Q4 2024116$162.1M
Q3 2024109$152.0M
Q2 2024114$150.8M
Q1 2024111$160.3M
Q4 2023107$158.2M
Q3 202397$143.1M
Q2 202387$135.4M
Q1 202385$98.1M
Q4 202278$82.6M
Q3 202260$68.2M
Q2 202262$61.6M
Q1 202262$89.4M
Q4 202171$107.6M
Q3 202187$119.8M
Q2 2021103$130.0M
Q1 2021102$145.9M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Spok Holdings, Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding SPOK in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,085,181$32.4M0.00%––
Renaissance Technologies LLC1,520,962$16.0M0.02%––
Dimensional Fund Advisors LP1,491,194$15.6M0.01%––
Vanguard Group Inc1,276,548$13.4M0.00%––
State Street Corp566,418$5.94M0.00%––
Deprince Race & Zollo Inc526,376$5.52M0.15%––
JPMorgan Chase & Co469,855$4.93M0.00%––
Bank of New York Mellon Corp407,967$4.28M0.00%––
Tocqueville Asset Management L.P.401,600$4.21M0.06%––
Foundry Partners, LLC312,753$3.28M0.11%––
Geode Capital Management, LLC301,585$3.16M0.00%––
Invesco Ltd.233,255$2.45M0.00%––
Grantham, Mayo, Van Otterloo & Co. LLC233,178$2.45M0.01%––
Northern Trust Corp222,086$2.33M0.00%––
Nuveen Asset Management, LLC197,450$2.07M0.00%––
Arrowstreet Capital, Limited Partnership137,115$1.44M0.00%––
Parametric Portfolio Associates LLC131,774$1.38M0.00%––
Blair William & Co126,593$1.33M0.01%––
Charles Schwab Investment Management Inc126,492$1.33M0.00%––
Principal Financial Group Inc122,472$1.28M0.00%––
Bridgeway Capital Management, LLC98,400$1.03M0.02%––
Jacobs Levy Equity Management, Inc89,794$942.0K0.01%––
Bank of America Corp88,251$926.0K0.00%––
Ameriprise Financial Inc87,107$913.0K0.00%––
Morgan Stanley80,581$845.0K0.00%––
Jefferies Group LLC77,500$813.0K0.02%––
Granite Point Capital Management, L.P.75,000$787.0K0.23%––
Kennedy Capital Management, Inc.71,326$748.0K0.02%––
D. E. Shaw & Co., Inc.65,738$689.0K0.00%––
Rhumbline Advisers61,559$646.0K0.00%––
Wells Fargo & Company54,891$576.0K0.00%––
Royal Bank of Canada54,999$576.0K0.00%––
Barclays PLC54,136$568.0K0.00%––
Goldman Sachs Group Inc51,098$536.0K0.00%––
Legal & General Group Plc47,890$502.0K0.00%––
First Quadrant L P46,200$485.0K0.05%––
Public Sector Pension Investment Board45,582$478.0K0.00%––
Panagora Asset Management Inc42,879$450.0K0.00%––
New York State Teachers Retirement System42,450$445.0K0.00%––
Exchange Traded Concepts, LLC39,571$415.0K0.02%––
Two Sigma Advisers, LP39,087$410.0K0.00%––
California Public Employees Retirement System37,000$388.0K0.00%––
Invenomic Capital Management LP34,192$359.0K0.17%––
STRS Ohio30,400$318.0K0.00%––
Alliancebernstein L.P.27,483$288.0K0.00%––
California State Teachers Retirement System26,685$280.0K0.00%––
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main26,423$277.2K0.00%––
Gsa Capital Partners LLP25,790$271.0K0.04%––
State Board of Administration of Florida Retirement System24,630$258.0K0.00%––
Millennium Management LLC23,092$242.0K0.00%––
Citadel Advisors LLC22,297$233.0K0.00%––
Ergoteles LLC21,912$230.0K0.01%––
Great West Life Assurance Co21,749$228.0K0.00%––
Guggenheim Capital LLC21,190$222.0K0.00%––
Prudential Financial Inc20,387$214.0K0.00%––
RBF Capital, LLC20,000$210.0K0.01%––
Winton Group Ltd19,444$204.0K0.01%––
Comerica Bank18,217$195.0K0.00%––
Deutsche Bank AG17,981$188.0K0.00%––
6 Meridian17,896$188.0K0.02%––
Prelude Capital Management, LLC17,208$181.0K0.01%––
Manufacturers Life Insurance Company, The15,405$162.0K0.00%––
Thrivent Financial for Lutherans14,638$154.0K0.00%––
HighTower Advisors, LLC14,257$149.0K0.00%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,742$144.0K0.00%––
Texas Permanent School Fund13,313$140.0K0.00%––
UBS Group AG12,804$134.0K0.00%––
Corient Capital Partners, LLC12,510$131.0K0.01%––
Bank of Montreal12,157$129.0K0.00%––
State of Alaska, Department of Revenue12,066$126.0K0.00%––
Engineers Gate Manager LP11,936$125.0K0.01%––
American International Group, Inc.11,795$124.0K0.00%––
New York State Common Retirement Fund11,300$119.0K0.00%––
Quadrature Capital Ltd11,387$119.0K0.01%––
KBC Group NV10,361$109.0K0.00%––
BNP Paribas Arbitrage, SA9,180$96.3K0.00%––
Oregon Public Employees Retirement Fund7,198$76.0K0.00%––
State of Tennessee, Treasury Department6,351$67.0K0.00%––
Tower Research Capital LLC (TRC)4,950$52.0K0.00%––
Ensign Peak Advisors, Inc4,900$51.0K0.00%––
Teachers Retirement System of the State of Kentucky4,700$49.0K0.00%––
Citigroup Inc2,879$30.0K0.00%––
Mutual of America Capital Management LLC2,379$25.0K0.00%––
Ameritas Investment Partners, Inc.1,597$17.0K0.00%––
Group One Trading, L.P.1,500$16.0K0.00%––
The PNC Financial Services Group, Inc.1,339$15.0K0.00%––
Nisa Investment Advisors, LLC1,100$12.0K0.00%––
Meeder Asset Management Inc857$9.00K0.00%––
Quadrant Capital Group LLC814$9.00K0.00%––
Glen Eagle Advisors, LLC500$5.25K0.00%––
Versant Capital Management, Inc443$5.00K0.00%––
Parallel Advisors, LLC415$4.00K0.00%––
FMR LLC271$3.00K0.00%––
Captrust Financial Advisors186$2.00K0.00%––
Smithfield Trust Co100$1.00K0.00%––
Eaton Vance Management74$1.00K0.00%––
Parkside Financial Bank & Trust122$1.00K0.00%––
Berman Capital Advisors, LLC101$1.00K0.00%––
First Horizon Corp13$00.00%––
Harbour Investments, Inc.19$00.00%––