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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, Q2 2024

Institutional positions in Spok Holdings, Inc as of Jun 30, 2024. 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
114
+3 vs. Q1 2024
Shares held
10.2M
+130.3K (+1.3%) vs. Q1 2024
Total value
$150.8M
−$9.51M (−5.9%) vs. Q1 2024
New holders
24
46 more added
Sold out
21
30 more reduced

Compare with Q1 2024: 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.

Institutional holdersQ2 2024: 114 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 heldQ2 2024: $150.8M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q1 2024.

Institutions holding SPOK in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.1,426,913$21.1M0.00%+9,450+0.7%Added
Vanguard Group Inc1,045,356$15.5M0.00%+19,155+1.9%Added
Renaissance Technologies LLC1,014,722$15.0M0.03%+21,500+2.2%Added
Dimensional Fund Advisors LP708,032$10.5M0.00%−6,601−0.9%Reduced
HighTower Advisors, LLC646,220$9.57M0.01%+97,591+17.8%Added
Geode Capital Management, LLC484,469$7.18M0.00%+33,307+7.4%Added
Foundry Partners, LLC433,135$6.41M0.34%−3,835−0.9%Reduced
State Street Corp403,409$5.97M0.00%−2,698−0.7%Reduced
Acadian Asset Management LLC321,157$4.75M0.01%+119,102+58.9%Added
Prudential Financial Inc312,240$4.62M0.01%−23,200−6.9%Reduced
Bank of New York Mellon Corp232,210$3.44M0.00%+2,303+1.0%Added
Morgan Stanley212,067$3.14M0.00%+24,754+13.2%Added
Uniplan Investment Counsel, Inc.209,825$3.11M0.28%+53,728+34.4%Added
Northern Trust Corp196,413$2.91M0.00%−7,083−3.5%Reduced
Fuller & Thaler Asset Management, Inc.171,478$2.54M0.01%−8,270−4.6%Reduced
Prelude Capital Management, LLC147,885$2.19M0.18%00.0%Unchanged
Gsa Capital Partners LLP146,847$2.17M0.15%+42,589+40.8%Added
Truvestments Capital LLC133,040$1.97M0.79%+15,922+13.6%Added
Nuveen Asset Management, LLC128,290$1.90M0.00%−212,070−62.3%Reduced
Goldman Sachs Group Inc105,982$1.57M0.00%+28,510+36.8%Added
Two Sigma Advisers, LP102,300$1.52M0.00%−29,400−22.3%Reduced
Allspring Global Investments Holdings, LLC83,986$1.24M0.00%−4,787−5.4%Reduced
Trexquant Investment LP77,307$1.14M0.02%+31,766+69.8%Added
Advisor Group Holdings, Inc.62,065$919.0K0.00%+5,968+10.6%Added
North Star Investment Management Corp.58,000$859.0K0.06%+58,000New
First Trust Advisors LP56,884$842.5K0.00%+263+0.5%Added
Campbell & CO Investment Adviser LLC53,211$788.1K0.07%−8,711−14.1%Reduced
Charles Schwab Investment Management Inc52,955$784.3K0.00%+3,799+7.7%Added
Invesco Ltd.52,200$773.1K0.00%−1,683−3.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.50,570$748.9K0.00%+2,605+5.4%Added
Guggenheim Capital LLC46,608$690.3K0.00%+26,227+128.7%Added
Qube Research & Technologies Ltd46,360$686.6K0.00%+21,225+84.4%Added
Keebeck Wealth Management, LLC45,000$666.5K0.10%+45,000New
Los Angeles Capital Management LLC44,400$657.6K0.00%−4,500−9.2%Reduced
SEI Investments Co39,118$579.3K0.00%+39,118New
Hennion & Walsh Asset Management, Inc.38,621$572.0K0.03%+3,883+11.2%Added
Panagora Asset Management Inc35,331$523.3K0.00%+35,331New
Magnetar Financial LLC34,608$512.5K0.01%+34,608New
Y-Intercept (Hong Kong) Ltd33,510$496.3K0.03%+12,592+60.2%Added
STRS Ohio32,200$476.9K0.00%+2,800+9.5%Added
Koss-Olinger Consulting, LLC29,428$436.0K0.04%+29,428New
Rhumbline Advisers28,208$417.7K0.00%+3,381+13.6%Added
State Board of Administration of Florida Retirement System26,738$396.0K0.00%+26,738New
Royal Bank of Canada26,591$393.0K0.00%+6,443+32.0%Added
Sanctuary Advisors, LLC23,462$372.1K0.00%+23,462New
UBS Group AG24,295$359.8K0.00%−12,037−33.1%Reduced
Cambria Investment Management, L.P.23,585$349.3K0.02%+6,873+41.1%Added
Susquehanna International Group, LLP22,385$331.5K0.00%+2,588+13.1%Added
Bank of America Corp20,709$306.7K0.00%+2,790+15.6%Added
American Century Companies Inc20,321$301.0K0.00%+4,530+28.7%Added
Lazard Asset Management LLC19,648$290.0K0.00%+8,135+70.7%Added
Jane Street Group, LLC17,552$259.9K0.00%+988+6.0%Added
Bailard, Inc.17,317$256.5K0.01%+2,592+17.6%Added
Financial Advocates Investment Management17,060$252.7K0.02%−129−0.8%Reduced
Nebula Research & Development LLC17,022$252.1K0.04%+17,022New
Triumph Capital Management16,981$251.5K0.10%+16,981New
Martingale Asset Management L P16,867$249.8K0.01%+400+2.4%Added
Wells Fargo & Company16,403$242.9K0.00%+1,734+11.8%Added
Occudo Quantitative Strategies LP16,177$239.6K0.04%+16,177New
Johnson Investment Counsel Inc16,070$238.0K0.00%00.0%Unchanged
Voya Investment Management LLC15,106$223.7K0.00%+15,106New
ExodusPoint Capital Management, LP13,575$201.0K0.00%+13,575New
Redhawk Wealth Advisors, Inc.13,223$195.8K0.03%+13,223New
Millennium Management LLC13,198$195.5K0.00%+13,198New
Cambridge Investment Research Advisors, Inc.12,667$188.0K0.00%−4,726−27.2%Reduced
Citigroup Inc12,404$183.7K0.00%+1,291+11.6%Added
Principal Financial Group Inc11,640$172.4K0.00%+959+9.0%Added
Grantham, Mayo, Van Otterloo & Co. LLC10,878$161.1K0.00%00.0%Unchanged
Virtus ETF Advisers LLC10,808$160.1K0.08%−1,391−11.4%Reduced
Two Sigma Investments, LP10,363$153.5K0.00%−7,924−43.3%Reduced
FMR LLC10,349$153.3K0.00%+881+9.3%Added
MetLife Investment Management10,333$153.0K0.00%+970+10.4%Added
Centiva Capital, LP10,265$152.0K0.01%−1,105−9.7%Reduced
Corebridge Financial, Inc.9,842$145.8K0.00%+9,842New
Mirae Asset Global ETFs Holdings Ltd.9,762$144.6K0.00%+9,762New
JPMorgan Chase & Co8,395$124.3K0.00%+1,328+18.8%Added
Gladius Capital Management LP7,535$111.6K0.11%+7,535New
New York State Common Retirement Fund7,450$110.3K0.00%+7+0.1%Added
Barclays PLC6,441$95.4K0.00%−6,031−48.4%Reduced
Deutsche Bank AG5,246$77.7K0.00%−4,227−44.6%Reduced
Tower Research Capital LLC (TRC)3,683$56.8K0.00%+3,016+452.2%Added
Legal & General Group Plc3,515$52.1K0.00%+2,089+146.5%Added
BNP Paribas Arbitrage, SA3,228$47.8K0.00%−5,349−62.4%Reduced
State of Wyoming2,806$41.6K0.01%+188+7.2%Added
EntryPoint Capital, LLC2,656$39.3K0.02%+2,656New
Covestor Ltd2,068$31.0K0.02%−148−6.7%Reduced
Ameritas Investment Partners, Inc.1,468$21.7K0.00%00.0%Unchanged
California State Teachers Retirement System1,325$19.6K0.00%−462−25.9%Reduced
Great West Life Assurance Co1,314$19.0K0.00%−6,089−82.3%Reduced
McIlrath & Eck, LLC1,032$15.3K0.00%00.0%Unchanged
Group One Trading, L.P.865$12.8K0.00%−1,065−55.2%Reduced
Amalgamated Bank600$9.00K0.00%00.0%Unchanged
Bank of New Hampshire570$8.44K0.00%00.0%Unchanged
Russell Investments Group, Ltd.524$7.77K0.00%−85−14.0%Reduced
CWM, LLC390$6.00K0.00%+84+27.5%Added
Macroview Investment Management LLC346$5.12K0.01%+14+4.2%Added
Gen-Wealth Partners Inc270$4.00K0.00%00.0%Unchanged
Parallel Advisors, LLC267$3.95K0.00%−147−35.5%Reduced
Signaturefd, LLC198$2.93K0.00%−355−64.2%Reduced
Farther Finance Advisors, LLC179$2.67K0.00%+84+88.4%Added