Who Owns SPOK HLDGS INC (SPOK)? -- Institutional Holders (2026-06-30)

155 institutions reported holding $112.3M of SPOK HLDGS INC (SPOK) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($17.6M), VANGUARD GROUP INC ($13.2M), RENAISSANCE TECHNOLOGIES LLC ($11.8M), DIMENSIONAL FUND ADVISORS LP ($7.3M), GEODE CAPITAL MANAGEMENT, LLC ($6.1M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$17.6M1.7MAdded
2VANGUARD GROUP INC$13.2M1.3MAdded
3RENAISSANCE TECHNOLOGIES LLC$11.8M1.1MTrimmed
4DIMENSIONAL FUND ADVISORS LP$7.3M717,616Added
5GEODE CAPITAL MANAGEMENT, LLC$6.1M595,842Added
6STATE STREET CORP$4.8M471,584Added
7HighTower Advisors, LLC$3.5M339,892Trimmed
8Qube Research & Technologies Ltd$2.9M287,617Added
9GOLDMAN SACHS GROUP INC$2.9M281,980Added
10Bank of New York Mellon Corp$2.4M234,112Added
11NORTHERN TRUST CORP$2.3M222,895Added
12Uniplan Investment Counsel, Inc.$2.2M215,764Added
13CSM Advisors, LLC$2.2M212,910Trimmed
14UNITED CAPITAL FINANCIAL ADVISORS, LLC$2.0M194,815Added
15CITADEL ADVISORS LLC$1.9M183,447Added
16MORGAN STANLEY$1.7M166,575Added
17JACOBS LEVY EQUITY MANAGEMENT, INC$1.6M160,312Added
18GSA CAPITAL PARTNERS LLP$1.5M150,124Added
19D. E. Shaw & Co., Inc.$1.3M130,163Added
20Connor, Clark & Lunn Investment Management Ltd.$1.1M107,475Trimmed
21PANAGORA ASSET MANAGEMENT INC$952,62793,030Added
22North Star Investment Management Corp.$921,60090,000Trimmed
23FMR LLC$913,00589,161Added
24FIDELIS CAPITAL PARTNERS, LLC$768,73775,072Added
25Sixth Street Partners Management Company, L.P.$715,33669,857New

Source: SEC Form 13F filings · as of 2026-06-30