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Spok (SPOK) Institutional Ownership

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$10.50 +0.02 (+0.19%)
As of 03:03 PM Eastern
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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)
54
Total
Institutional Inflows
(last 12 months)
$18.41M
Number of
Institutional Sellers
(last 12 months)
32
Total
Institutional Outflows
(last 12 months)
$11.57M
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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
8/19/2026 Hsbc Holdings PLC12,054$125K0.0%-71.0%0.058%
8/18/2026 Public Employees Retirement System of Ohio20,788$213K0.0%N/A0.099%
8/6/2026 Bank of New York Mellon Corp234,112$2.40M0.0%N/A1.119%
7/10/2026 Redhawk Wealth Advisors Inc.19,155$196K0.0%+89.0%0.092%
6/16/2026 Empowered Funds LLC15,203$166K0.0%N/A0.073%
5/19/2026 Bank of America Corp DE26,528$289K0.0%-27.3%0.127%
5/18/2026 Empowered Funds LLC15,203$166K0.0%N/A0.073%
5/16/2026 Quantinno Capital Management LP26,150$285K0.0%-71.8%0.125%
5/14/2026 Renaissance Technologies LLC1,261,579$13.75M0.0%+1.2%6.039%
5/14/2026 Keebeck Wealth Management50,000$545K0.1%+25.0%0.239%
5/14/2026 State of Wyoming10,013$109K0.0%+160.3%0.048%
5/7/2026 Dimensional Fund Advisors LP715,869$7.80M0.0%+1.7%3.427%
5/5/2026 Bank of New York Mellon Corp217,803$2.37M0.0%+2.3%1.051%
4/30/2026 Hsbc Holdings PLC41,499$458K0.0%-31.2%0.200%
4/15/2026 Brady Martz Wealth Solutions LLC12,220$133K0.0%N/A0.059%
3/20/2026 Hsbc Holdings PLC60,331$797K0.0%+11.6%0.291%
2/19/2026 Invesco Ltd.30,930$408K0.0%-5.7%0.150%
2/18/2026 Uniplan Investment Counsel Inc.153,824$2.03M0.6%-4.6%0.747%
2/18/2026 Occudo Quantitative Strategies LP13,532$178K0.0%+5.9%0.066%
2/18/2026 Oxford Asset Management LLP10,352$137K0.1%N/A0.050%
2/18/2026 Millennium Management LLC125,808$1.66M0.0%+344.7%0.611%
2/18/2026 Man Group plc26,439$349K0.0%+4.2%0.128%
2/18/2026 Engineers Gate Manager LP36,356$480K0.0%+9.3%0.177%
2/18/2026 Boothbay Fund Management LLC22,231$293K0.0%N/A0.108%
2/17/2026 AQR Capital Management LLC16,366$216K0.0%-62.2%0.079%
2/17/2026 Trexquant Investment LP170,653$2.25M0.0%+92.0%0.828%
2/17/2026 Russell Investments Group Ltd.3,738$49K0.0%-17.9%0.018%
2/17/2026 State of Wisconsin Investment Board11,100$146K0.0%N/A0.054%
2/17/2026 Royal Bank of Canada3,100$40K0.0%+182.8%0.015%
2/17/2026 Magnetar Financial LLC21,481$283K0.0%N/A0.104%
2/16/2026 Squarepoint Ops LLC16,112$213K0.0%N/A0.078%
2/16/2026 Truvestments Capital LLC8,828$116K0.0%-24.9%0.043%
2/16/2026 Panagora Asset Management Inc.93,085$1.23M0.0%+52.0%0.452%
2/16/2026 Barclays PLC44,520$587K0.0%+5.5%0.216%
2/13/2026 CANADA LIFE ASSURANCE Co2,465$33K0.0%+69.8%0.012%
2/13/2026 Virtus Advisers LLC14,663$193K0.1%+130.9%0.071%
2/13/2026 Jacobs Levy Equity Management Inc.118,967$1.57M0.0%+85.4%0.578%
2/13/2026 First Trust Advisors LP65,119$859K0.0%+2.5%0.316%
2/13/2026 State Street Corp446,919$5.90M0.0%-2.3%2.170%
2/13/2026 Martingale Asset Management L P23,694$313K0.0%-27.9%0.115%
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2/13/2026 Wells Fargo & Company MN29,634$391K0.0%+29.5%0.144%
2/12/2026 Jane Street Group LLC13,764$182K0.0%-65.7%0.067%
2/12/2026 Triumph Capital Management4,801$63K0.0%-21.3%0.023%
2/12/2026 State Board of Administration of Florida Retirement System22,698$299K0.0%-28.4%0.110%
2/12/2026 Renaissance Technologies LLC1,246,579$16.44M0.0%+6.3%6.051%
2/12/2026 Dimensional Fund Advisors LP703,826$9.28M0.0%-2.1%3.417%
2/12/2026 Campbell & CO Investment Adviser LLC49,038$647K0.0%+66.0%0.238%
2/11/2026 CSM Advisors LLC262,945$3.47M0.1%-21.4%1.277%
2/11/2026 Los Angeles Capital Management LLC102,021$1.41M0.0%+55.3%0.495%
2/11/2026 State of Wyoming3,846$51K0.0%-83.5%0.019%
2/10/2026 Goldman Sachs Group Inc.362,471$4.78M0.0%-8.4%1.760%
2/10/2026 Hillsdale Investment Management Inc.14,100$186K0.0%-14.5%0.068%
2/9/2026 Geode Capital Management LLC598,552$7.90M0.0%-0.4%2.906%
2/6/2026 HighTower Advisors LLC382,375$5.04M0.0%-6.3%1.856%
1/14/2026 Hennion & Walsh Asset Management Inc.18,846$249K0.0%-62.3%0.091%
1/7/2026 Significant Wealth Partners LLC14,798$195K0.2%-43.0%0.072%
1/1/2026 JPMorgan Chase & Co.114,533$1.98M0.0%-48.9%0.556%
12/23/2025 Triumph Capital Management6,101$105K0.0%N/A0.030%
11/17/2025 Triumph Capital Management6,101$105K0.0%N/A0.030%
11/17/2025 Qube Research & Technologies Ltd161,975$2.79M0.0%+11.1%0.786%
11/17/2025 Millennium Management LLC28,293$488K0.0%-28.8%0.137%
11/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,553$165K0.0%-14.4%0.046%
11/17/2025 Citadel Advisors LLC23,357$403K0.0%-64.3%0.113%
11/17/2025 CSM Advisors LLC334,345$5.77M0.2%-4.2%1.623%
11/17/2025 Bank of America Corp DE59,416$1.03M0.0%+27.1%0.288%
11/17/2025 Algert Global LLC11,000$190K0.0%N/A0.053%
11/17/2025 Alliancebernstein L.P.20,660$356K0.0%+11.3%0.100%
11/17/2025 Ameriprise Financial Inc.19,097$329K0.0%-31.1%0.093%
11/14/2025 Creative Planning20,785$359K0.0%N/A0.101%
11/14/2025 Lazard Asset Management LLC80,885$1.40M0.0%+22.1%0.393%
11/14/2025 Raymond James Financial Inc.10,843$187K0.0%+22.8%0.053%
11/14/2025 Man Group plc25,374$438K0.0%-3.6%0.123%
11/14/2025 Occudo Quantitative Strategies LP12,778$220K0.0%+13.9%0.062%
11/14/2025 Two Sigma Investments LP169,231$2.92M0.0%+55.6%0.822%
11/13/2025 UBS Group AG66,804$1.15M0.0%+80.8%0.324%
11/13/2025 BNP Paribas Financial Markets18,401$317K0.0%+277.7%0.089%
11/13/2025 Legal & General Group Plc3,954$68K0.0%-30.2%0.019%
11/13/2025 Russell Investments Group Ltd.4,551$79K0.0%+74.2%0.022%
11/13/2025 Parallel Advisors LLC1,796$31K0.0%+305.4%0.009%
11/13/2025 First Trust Advisors LP63,519$1.10M0.0%N/A0.308%
11/12/2025 Barclays PLC42,207$728K0.0%-3.8%0.205%
11/12/2025 Dimensional Fund Advisors LP719,050$12.40M0.0%+1.1%3.491%
11/12/2025 Victory Capital Management Inc.22,888$395K0.0%N/A0.111%
11/12/2025 New Age Alpha Advisors LLC6,570$113K0.0%-41.1%0.032%
11/12/2025 R Squared Ltd19,227$332K0.1%+10.5%0.093%
11/7/2025 GSA Capital Partners LLP26,948$465K0.0%N/A0.131%
11/7/2025Vanguard Group Inc.1,154,631$19.92M0.0%+0.5%5.606%
11/7/2025 JPMorgan Chase & Co.114,533$1.98M0.0%-48.9%0.556%
11/7/2025 HighTower Advisors LLC408,011$7.04M0.0%-9.9%1.981%
11/6/2025 Rhumbline Advisers39,963$689K0.0%+14.8%0.194%
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11/4/2025 State of Wyoming23,371$403K0.0%-6.6%0.114%
11/4/2025 Significant Wealth Partners LLC25,969$448K0.2%+12.1%0.126%
11/3/2025 AlphaQuest LLC8,951$154K0.0%-21.1%0.043%
10/28/2025 Campbell & CO Investment Adviser LLC29,534$509K0.0%N/A0.143%
10/22/2025McIlrath & Eck LLC2,166$37K0.0%+49.3%0.011%
10/22/2025 Hennion & Walsh Asset Management Inc.49,938$861K0.0%-3.4%0.243%
10/22/2025 Longboard Asset Management LP10,350$179K0.3%N/A0.050%
10/20/2025 Allspring Global Investments Holdings LLC74,403$1.28M0.0%N/A0.361%
10/15/2025CWM LLC3,310$57K0.0%+44.7%0.016%
10/15/2025 Inspire Investing LLC60,695$1.05M0.1%+17.8%0.295%


SPOK Institutional Ownership - Frequently Asked Questions

During the previous two years, 115 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 105 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 1,327,887 shares in the last 24 months. This purchase volume represents approximately $18.41M 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), CSM Advisors LLC ($86.24K), HighTower Advisors LLC ($70.43K), 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 790,750 shares in the last 24 months. This volume of shares sold represents approximately $11.57M in transactions.


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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 8/19/2026. New 13F filings are added each quarter as they're published.
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