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Spok (SPOK) Institutional Ownership

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$10.41 +0.04 (+0.39%)
Closing price 09/29/2026 04:00 PM Eastern
Extended Trading
$10.40 -0.01 (-0.05%)
As of 09/29/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Spok (NASDAQ:SPOK)

Current
Institutional Ownership
Percentage
50.81%
Number of
Institutional Buyers
(last 12 months)
55
Total
Institutional Inflows
(last 12 months)
$18.53M
Number of
Institutional Sellers
(last 12 months)
32
Total
Institutional Outflows
(last 12 months)
$12.00M
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SPOK Institutional Buying and Selling by Quarter

Spok Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/26/2026Amundi12,242$125K0.0%N/A0.059%
8/26/2026HighTower Advisors LLC339,892$3.48M0.0%-11.0%1.625%
8/19/2026Hsbc Holdings PLC12,054$125K0.0%-71.0%0.058%
8/18/2026Public Employees Retirement System of Ohio20,788$213K0.0%N/A0.099%
8/6/2026Bank of New York Mellon Corp234,112$2.40M0.0%N/A1.119%
7/10/2026Redhawk Wealth Advisors Inc.19,155$196K0.0%+89.0%0.092%
6/16/2026Empowered Funds LLC15,203$166K0.0%N/A0.073%
5/19/2026Bank of America Corp DE26,528$289K0.0%-27.3%0.127%
5/18/2026Empowered Funds LLC15,203$166K0.0%N/A0.073%
5/16/2026Quantinno Capital Management LP26,150$285K0.0%-71.8%0.125%
5/14/2026Renaissance Technologies LLC1,261,579$13.75M0.0%+1.2%6.039%
5/14/2026Keebeck Wealth Management50,000$545K0.1%+25.0%0.239%
5/14/2026State of Wyoming10,013$109K0.0%+160.3%0.048%
5/7/2026Dimensional Fund Advisors LP715,869$7.80M0.0%+1.7%3.427%
5/5/2026Bank of New York Mellon Corp217,803$2.37M0.0%+2.3%1.051%
4/30/2026Hsbc Holdings PLC41,499$458K0.0%-31.2%0.200%
4/15/2026Brady Martz Wealth Solutions LLC12,220$133K0.0%N/A0.059%
3/20/2026Hsbc Holdings PLC60,331$797K0.0%+11.6%0.291%
2/19/2026Invesco Ltd.30,930$408K0.0%-5.7%0.150%
2/18/2026Uniplan Investment Counsel Inc.153,824$2.03M0.6%-4.6%0.747%
2/18/2026Occudo Quantitative Strategies LP13,532$178K0.0%+5.9%0.066%
2/18/2026Oxford Asset Management LLP10,352$137K0.1%N/A0.050%
2/18/2026Millennium Management LLC125,808$1.66M0.0%+344.7%0.611%
2/18/2026Man Group plc26,439$349K0.0%+4.2%0.128%
2/18/2026Engineers Gate Manager LP36,356$480K0.0%+9.3%0.177%
2/18/2026Boothbay Fund Management LLC22,231$293K0.0%N/A0.108%
2/17/2026AQR Capital Management LLC16,366$216K0.0%-62.2%0.079%
2/17/2026Trexquant Investment LP170,653$2.25M0.0%+92.0%0.828%
2/17/2026Russell Investments Group Ltd.3,738$49K0.0%-17.9%0.018%
2/17/2026State of Wisconsin Investment Board11,100$146K0.0%N/A0.054%
2/17/2026Royal Bank of Canada3,100$40K0.0%+182.8%0.015%
2/17/2026Magnetar Financial LLC21,481$283K0.0%N/A0.104%
2/16/2026Squarepoint Ops LLC16,112$213K0.0%N/A0.078%
2/16/2026Truvestments Capital LLC8,828$116K0.0%-24.9%0.043%
2/16/2026Panagora Asset Management Inc.93,085$1.23M0.0%+52.0%0.452%
2/16/2026Barclays PLC44,520$587K0.0%+5.5%0.216%
2/13/2026CANADA LIFE ASSURANCE Co2,465$33K0.0%+69.8%0.012%
2/13/2026Virtus Advisers LLC14,663$193K0.1%+130.9%0.071%
2/13/2026Jacobs Levy Equity Management Inc.118,967$1.57M0.0%+85.4%0.578%
2/13/2026First Trust Advisors LP65,119$859K0.0%+2.5%0.316%
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2/13/2026State Street Corp446,919$5.90M0.0%-2.3%2.170%
2/13/2026Martingale Asset Management L P23,694$313K0.0%-27.9%0.115%
2/13/2026Wells Fargo & Company MN29,634$391K0.0%+29.5%0.144%
2/12/2026Jane Street Group LLC13,764$182K0.0%-65.7%0.067%
2/12/2026Triumph Capital Management4,801$63K0.0%-21.3%0.023%
2/12/2026State Board of Administration of Florida Retirement System22,698$299K0.0%-28.4%0.110%
2/12/2026Renaissance Technologies LLC1,246,579$16.44M0.0%+6.3%6.051%
2/12/2026Dimensional Fund Advisors LP703,826$9.28M0.0%-2.1%3.417%
2/12/2026Campbell & CO Investment Adviser LLC49,038$647K0.0%+66.0%0.238%
2/11/2026CSM Advisors LLC262,945$3.47M0.1%-21.4%1.277%
2/11/2026Los Angeles Capital Management LLC102,021$1.41M0.0%+55.3%0.495%
2/11/2026State of Wyoming3,846$51K0.0%-83.5%0.019%
2/10/2026Goldman Sachs Group Inc.362,471$4.78M0.0%-8.4%1.760%
2/10/2026Hillsdale Investment Management Inc.14,100$186K0.0%-14.5%0.068%
2/9/2026Geode Capital Management LLC598,552$7.90M0.0%-0.4%2.906%
2/6/2026HighTower Advisors LLC382,375$5.04M0.0%-6.3%1.856%
1/14/2026Hennion & Walsh Asset Management Inc.18,846$249K0.0%-62.3%0.091%
1/7/2026Significant Wealth Partners LLC14,798$195K0.2%-43.0%0.072%
1/1/2026JPMorgan Chase & Co.114,533$1.98M0.0%-48.9%0.556%
12/23/2025Triumph Capital Management6,101$105K0.0%N/A0.030%
11/17/2025Triumph Capital Management6,101$105K0.0%N/A0.030%
11/17/2025Qube Research & Technologies Ltd161,975$2.79M0.0%+11.1%0.786%
11/17/2025Millennium Management LLC28,293$488K0.0%-28.8%0.137%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,553$165K0.0%-14.4%0.046%
11/17/2025Citadel Advisors LLC23,357$403K0.0%-64.3%0.113%
11/17/2025CSM Advisors LLC334,345$5.77M0.2%-4.2%1.623%
11/17/2025Bank of America Corp DE59,416$1.03M0.0%+27.1%0.288%
11/17/2025Algert Global LLC11,000$190K0.0%N/A0.053%
11/17/2025Alliancebernstein L.P.20,660$356K0.0%+11.3%0.100%
11/17/2025Ameriprise Financial Inc.19,097$329K0.0%-31.1%0.093%
11/14/2025Creative Planning20,785$359K0.0%N/A0.101%
11/14/2025Lazard Asset Management LLC80,885$1.40M0.0%+22.1%0.393%
11/14/2025Raymond James Financial Inc.10,843$187K0.0%+22.8%0.053%
11/14/2025Man Group plc25,374$438K0.0%-3.6%0.123%
11/14/2025Occudo Quantitative Strategies LP12,778$220K0.0%+13.9%0.062%
11/14/2025Two Sigma Investments LP169,231$2.92M0.0%+55.6%0.822%
11/13/2025UBS Group AG66,804$1.15M0.0%+80.8%0.324%
11/13/2025BNP Paribas Financial Markets18,401$317K0.0%+277.7%0.089%
11/13/2025Legal & General Group Plc3,954$68K0.0%-30.2%0.019%
11/13/2025Russell Investments Group Ltd.4,551$79K0.0%+74.2%0.022%
11/13/2025Parallel Advisors LLC1,796$31K0.0%+305.4%0.009%
11/13/2025First Trust Advisors LP63,519$1.10M0.0%N/A0.308%
11/12/2025Barclays PLC42,207$728K0.0%-3.8%0.205%
11/12/2025Dimensional Fund Advisors LP719,050$12.40M0.0%+1.1%3.491%
11/12/2025Victory Capital Management Inc.22,888$395K0.0%N/A0.111%
11/12/2025New Age Alpha Advisors LLC6,570$113K0.0%-41.1%0.032%
11/12/2025R Squared Ltd19,227$332K0.1%+10.5%0.093%
11/7/2025GSA Capital Partners LLP26,948$465K0.0%N/A0.131%
11/7/2025Vanguard Group Inc.1,154,631$19.92M0.0%+0.5%5.606%
11/7/2025JPMorgan Chase & Co.114,533$1.98M0.0%-48.9%0.556%
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11/7/2025HighTower Advisors LLC408,011$7.04M0.0%-9.9%1.981%
11/6/2025Rhumbline Advisers39,963$689K0.0%+14.8%0.194%
11/4/2025State of Wyoming23,371$403K0.0%-6.6%0.114%
11/4/2025Significant Wealth Partners LLC25,969$448K0.2%+12.1%0.126%
11/3/2025AlphaQuest LLC8,951$154K0.0%-21.1%0.043%
10/28/2025Campbell & CO Investment Adviser LLC29,534$509K0.0%N/A0.143%
10/22/2025McIlrath & Eck LLC2,166$37K0.0%+49.3%0.011%
10/22/2025Hennion & Walsh Asset Management Inc.49,938$861K0.0%-3.4%0.243%
10/22/2025Longboard Asset Management LP10,350$179K0.3%N/A0.050%
10/20/2025Allspring Global Investments Holdings LLC74,403$1.28M0.0%N/A0.361%


SPOK Institutional Ownership - Frequently Asked Questions

During the previous two years, 116 institutional investors and hedge funds held shares of Spok. The most heavily invested institutionals were Kingstone Capital Partners Texas LLC ($197.63M), Vanguard Group Inc. ($19.92M), Renaissance Technologies LLC ($13.75M), Geode Capital Management LLC ($7.90M), Dimensional Fund Advisors LP ($7.80M), Acadian Asset Management LLC ($6.89M), and Foundry Partners LLC ($5.92M).Learn more on Spok's institutional investors.

50.81% of Spok's stock is owned by institutional investors. Learn more on SPOK's institutional investor holdings.

Of the 106 institutional investors that purchased Spok's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Kingstone Capital Partners Texas LLC ($11.18M), CSM Advisors LLC ($349.19K), Bank of New York Mellon Corp ($239.10K), JPMorgan Chase & Co. ($230.17K), Trexquant Investment LP ($154.06K), Connor Clark & Lunn Investment Management Ltd. ($153.99K), and Jacobs Levy Equity Management Inc. ($148.38K).

Institutional investors have bought a total of 1,340,129 shares in the last 24 months. This purchase volume represents approximately $18.53M in transactions.

Of the 32 institutional investors that sold Spok's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: JPMorgan Chase & Co. ($219.04K), HighTower Advisors LLC ($112.36K), CSM Advisors LLC ($86.24K), Quantinno Capital Management LP ($66.58K), Hsbc Holdings PLC ($48.28K), Citadel Advisors LLC ($42.06K), and Goldman Sachs Group Inc. ($33.43K).

Institutional investors have sold a total of 832,673 shares in the last 24 months. This volume of shares sold represents approximately $12.00M in transactions.


Related Companies

Institutional ownership data for NASDAQ:SPOK is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/26/2026. New 13F filings are added each quarter as they're published.
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