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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.

Q3 2021 vs. Q2 2021

How the institutions holding Spok Holdings, Inc changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of SPOK: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders103187−15
Shares13.5M1311.8M−1.73M (−12.8%)
Value$130.0M$0$119.8M−$10.2M (−7.8%)

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Spok Holdings, Inc at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to SPOK in Q3 2021
InstitutionSharesValue% of portfolio
Assenagon Asset Management S.A.378,487$3.87M0.02%
Susquehanna International Group, LLP193,546$1.98M0.00%
Kennedy Capital Management, Inc.150,424$1.54M0.03%
BCK Capital Management LP133,645$1.37M0.82%
Prescott Group Capital Management, L.L.C.114,697$1.17M0.32%
Employees Retirement System of Texas110,000$1.12M0.01%
Connor, Clark & Lunn Investment Management Ltd.74,043$757.0K0.00%
Walleye Capital LLC70,880$724.0K0.02%
LMR Partners LLP50,000$511.0K0.01%
Centiva Capital, LP50,000$511.0K0.04%
Royce & Associates LP44,181$452.0K0.00%
Trexquant Investment LP39,463$403.0K0.03%
Nuveen Asset Management, LLC38,963$398.0K0.00%
Bailard, Inc.25,200$258.0K0.01%
Two Sigma Investments, LP19,259$197.0K0.00%
Walleye Trading LLC16,295$167.0K0.00%
Probity Advisors, Inc.13,021$133.0K0.03%
Paloma Partners Management Co11,954$122.0K0.01%
DLD Asset Management, LP10,000$102.0K0.01%
Wolverine Trading, LLC10,058$101.0K0.00%
Cove Street Capital, LLC8,800$90.0K0.01%
Carroll Financial Associates, Inc.138$1.00K0.00%
Advisor Group Holdings, Inc.100$1.00K0.00%

Sold out (38)

Institutions that held Spok Holdings, Inc at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of SPOK in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Principal Financial Group Inc123,422$1.19M
Charles Schwab Investment Management Inc83,651$805.0K
Ameriprise Financial Inc83,639$804.0K
Panagora Asset Management Inc64,000$616.0K
ExodusPoint Capital Management, LP50,487$486.0K
Public Sector Pension Investment Board46,295$445.0K
Exchange Traded Concepts, LLC43,263$416.0K
New York State Teachers Retirement System40,850$393.0K
Jane Street Group, LLC40,661$391.0K
Guggenheim Capital LLC35,432$341.0K
Tibra Equities Europe Ltd35,100$338.0K
Legal & General Group Plc34,830$335.0K
Rhumbline Advisers32,241$310.0K
Invenomic Capital Management LP31,784$306.0K
Prudential Financial Inc19,087$184.0K
Alpine Global Management, LLC17,644$170.0K
6 Meridian17,506$168.0K
Thrivent Financial for Lutherans14,579$140.0K
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,686$132.0K
Comerica Bank16,193$130.0K
Texas Permanent School Fund13,290$128.0K
State of Alaska, Department of Revenue12,336$118.0K
Quadrature Capital Ltd11,912$115.0K
Cubist Systematic Strategies, LLC11,706$113.0K
Corient Capital Partners, LLC10,656$103.0K
Oregon Public Employees Retirement Fund7,198$69.0K
Ensign Peak Advisors, Inc6,800$65.0K
State of Tennessee, Treasury Department6,351$61.0K
Mutual of America Capital Management LLC2,536$24.0K
American International Group, Inc.1,587$15.0K
Captrust Financial Advisors385$4.00K
Parallel Advisors, LLC415$4.00K
TCI Wealth Advisors, Inc.295$3.00K
Deutsche Bank AG250$2.00K
New York State Common Retirement Fund140$1.00K
Versant Capital Management, Inc122$1.00K
Toronto Dominion Bank11$0
Berman Capital Advisors, LLC101$0

Not filed for Q3 2021 yet (1)

Institutions that held Spok Holdings, Inc at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SPOK in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
First Horizon Corp13$0