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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, Q3 2024

Institutional positions in Spok Holdings, Inc as of Sep 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
109
−4 vs. Q2 2024
Shares held
10.1M
+1.34M (+15.3%) vs. Q2 2024
Total value
$152.0M
+$22.4M (+17.3%) vs. Q2 2024
New holders
15
42 more added
Sold out
19
33 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 109 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 heldQ3 2024: $152.0M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q2 2024.

Institutions holding SPOK in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Rothschild Investment LLC10$1510.00%−10−50.0%Reduced
The PNC Financial Services Group, Inc.12$1810.00%00.0%Unchanged
Quadrant Capital Group LLC21$3170.00%−92−81.4%Reduced
Kayne Anderson Rudnick Investment Management LLC30$4520.00%00.0%Unchanged
Nisa Investment Advisors, LLC31$4670.00%−19−38.0%Reduced
Private Wealth Management Group, LLC34$5130.00%00.0%Unchanged
Sterling Capital Management LLC58$8730.00%+58New
Capital Advisors, Ltd. LLC65$1.00K0.00%00.0%Unchanged
Parallel Advisors, LLC78$1.18K0.00%−189−70.8%Reduced
Steward Partners Investment Advisory, LLC100$1.51K0.00%00.0%Unchanged
Capital Performance Advisors LLP101$1.52K0.00%+101New
GAMMA Investing LLC146$2.20K0.00%+21+16.8%Added
Jones Financial Companies LLLP163$2.47K0.00%00.0%Unchanged
Farther Finance Advisors, LLC180$2.72K0.00%+1+0.6%Added
Signaturefd, LLC198$2.98K0.00%00.0%Unchanged
Gen-Wealth Partners Inc270$4.03K0.00%00.0%Unchanged
Macroview Investment Management LLC353$5.32K0.01%+7+2.0%Added
CWM, LLC427$6.00K0.00%+37+9.5%Added
Venturi Wealth Management, LLC498$7.50K0.00%+498New
Bank of New Hampshire570$8.58K0.00%00.0%Unchanged
Amalgamated Bank600$9.00K0.00%00.0%Unchanged
Russell Investments Group, Ltd.606$9.12K0.00%+82+15.6%Added
McIlrath & Eck, LLC630$9.49K0.00%−402−39.0%Reduced
Darwin Advisors, LLC778$11.7K0.00%+778New
Harbour Investments, Inc.830$12.5K0.00%+830New
California State Teachers Retirement System1,325$20.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,468$22.1K0.00%00.0%Unchanged
Great West Life Assurance Co1,509$23.0K0.00%+195+14.8%Added
Larson Financial Group LLC1,750$26.4K0.00%+1,750New
nVerses Capital, LLC1,800$27.1K0.01%+1,800New
Covestor Ltd1,948$29.0K0.02%−120−5.8%Reduced
Legal & General Group Plc3,515$52.9K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,837$57.8K0.00%+609+18.9%Added
Lazard Asset Management LLC4,485$67.0K0.00%−15,163−77.2%Reduced
New York State Common Retirement Fund7,450$112.2K0.00%00.0%Unchanged
SG Americas Securities, LLC7,700$116.0K0.00%+7,700New
Gladius Capital Management LP8,044$121.1K0.07%+509+6.8%Added
Tower Research Capital LLC (TRC)9,279$139.7K0.00%+5,596+151.9%Added
Corebridge Financial, Inc.9,781$147.3K0.00%−61−0.6%Reduced
Mirae Asset Global ETFs Holdings Ltd.10,046$151.3K0.00%+284+2.9%Added
MetLife Investment Management10,333$155.6K0.00%00.0%Unchanged
Grantham, Mayo, Van Otterloo & Co. LLC10,878$163.8K0.00%00.0%Unchanged
Deutsche Bank AG10,960$165.1K0.00%+5,714+108.9%Added
Virtus ETF Advisers LLC11,388$171.5K0.08%+580+5.4%Added
Cambridge Investment Research Advisors, Inc.12,754$192.0K0.00%+87+0.7%Added
Nebula Research & Development LLC12,862$193.7K0.02%−4,160−24.4%Reduced
Jane Street Group, LLC13,306$200.4K0.00%−4,246−24.2%Reduced
FMR LLC14,479$218.1K0.00%+4,130+39.9%Added
Redhawk Wealth Advisors, Inc.14,631$220.3K0.03%+1,408+10.6%Added
Voya Investment Management LLC15,211$229.1K0.00%+105+0.7%Added
Johnson Investment Counsel Inc16,070$242.0K0.00%00.0%Unchanged
UBS Group AG16,595$249.9K0.00%−7,700−31.7%Reduced
Wells Fargo & Company16,886$254.3K0.00%+483+2.9%Added
Financial Advocates Investment Management17,347$261.3K0.01%+287+1.7%Added
Stifel Financial Corp17,505$263.6K0.00%+17,505New
Cambria Investment Management, L.P.17,749$267.3K0.02%−5,836−24.7%Reduced
Guggenheim Capital LLC18,158$273.5K0.00%−28,450−61.0%Reduced
Martingale Asset Management L P19,169$288.7K0.01%+2,302+13.6%Added
Bank of America Corp19,646$295.9K0.00%−1,063−5.1%Reduced
Triumph Capital Management19,651$295.9K0.11%+2,670+15.7%Added
Two Sigma Investments, LP22,115$333.1K0.00%+11,752+113.4%Added
Barclays PLC24,078$362.6K0.00%+17,637+273.8%Added
Qube Research & Technologies Ltd24,596$370.4K0.00%−21,764−46.9%Reduced
Royal Bank of Canada24,681$371.0K0.00%−1,910−7.2%Reduced
Citigroup Inc25,063$377.4K0.00%+12,659+102.1%Added
American Century Companies Inc25,949$390.8K0.00%+5,628+27.7%Added
Sanctuary Advisors, LLC25,998$421.7K0.00%+2,536+10.8%Added
Koss-Olinger Consulting, LLC29,728$448.0K0.04%+300+1.0%Added
Quest Partners LLC31,375$472.5K0.04%+31,375New
Engineers Gate Manager LP32,315$486.7K0.01%+32,315New
SEI Investments Co33,174$499.6K0.00%−5,944−15.2%Reduced
Gsa Capital Partners LLP34,324$517.0K0.04%−112,523−76.6%Reduced
Rhumbline Advisers34,960$526.5K0.00%+6,752+23.9%Added
Kingsview Wealth Management, LLC35,100$528.6K0.01%+35,100New
Hennion & Walsh Asset Management, Inc.37,750$568.5K0.03%−871−2.3%Reduced
Deerfield Management Company, L.P. (Series C)38,344$577.5K0.01%+38,344New
Millennium Management LLC38,377$578.0K0.00%+25,179+190.8%Added
Invesco Ltd.39,178$590.0K0.00%−13,022−24.9%Reduced
Los Angeles Capital Management LLC39,500$594.9K0.00%−4,900−11.0%Reduced
State Board of Administration of Florida Retirement System41,430$623.9K0.00%+14,692+54.9%Added
Connor, Clark & Lunn Investment Management Ltd.44,985$677.5K0.00%−5,585−11.0%Reduced
Keebeck Wealth Management, LLC46,600$701.8K0.10%+1,600+3.6%Added
Campbell & CO Investment Adviser LLC47,463$714.8K0.05%−5,748−10.8%Reduced
Charles Schwab Investment Management Inc52,955$797.5K0.00%00.0%Unchanged
Two Sigma Advisers, LP63,200$951.8K0.00%−39,100−38.2%Reduced
Advisor Group Holdings, Inc.65,602$987.8K0.00%+3,537+5.7%Added
Allspring Global Investments Holdings, LLC66,101$995.5K0.00%−17,885−21.3%Reduced
Trexquant Investment LP71,066$1.07M0.01%−6,241−8.1%Reduced
Citadel Advisors LLC82,457$1.24M0.00%+82,457New
Nuveen Asset Management, LLC85,337$1.29M0.00%−42,953−33.5%Reduced
North Star Investment Management Corp.122,000$1.84M0.13%+64,000+110.3%Added
Prelude Capital Management, LLC147,885$2.23M0.17%00.0%Unchanged
Truvestments Capital LLC155,965$2.35M0.63%+22,925+17.2%Added
Goldman Sachs Group Inc165,919$2.50M0.00%+59,937+56.6%Added
Morgan Stanley184,724$2.78M0.00%−27,343−12.9%Reduced
JPMorgan Chase & Co198,419$2.99M0.00%+190,024+2,263.5%Added
Northern Trust Corp198,893$3.00M0.00%+2,480+1.3%Added
Uniplan Investment Counsel, Inc.205,741$3.10M0.27%−4,084−1.9%Reduced
Prudential Financial Inc211,740$3.19M0.00%−100,500−32.2%Reduced
Bank of New York Mellon Corp228,717$3.44M0.00%−3,493−1.5%Reduced