Spok Holdings
SPOK • NASDAQ
Spok Holdings is a medical - healthcare information services company in the healthcare sector on NASDAQ, led by Vincent D. Kelly, with a market cap of $274.2M. As of Q3 2025, 56% of shares are held by 141 institutional investors, with BlackRock, Inc. as the largest holder at 9.4%.
Chief Executive OfficerVincent D. Kelly
Market Cap$274.2M
Medical - Healthcare Information Services
Healthcare
Employees398.0
Websitespok.com
Country
United States of America
Overview
Overview of institutional ownership in SPOK as of Q3 2025 with a market cap of $355.2M
All Institutions
- Institutions
- 141
- Value Held
- $197.7M
- Shares Held
- 11.5M
- Avg Position
- $1.4M
- Median Position
- $232.1K
Hedge Funds
- Hedge Funds
- 20
- Value Held
- $33.4M
- Shares Held
- 1.9M
- Avg Position
- $1.7M
- Median Position
- $498.8K
Ownership Breakdown
Based on market cap of $355.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in SPOK as of Q3 2025
| Institution | Position Value |
|---|---|
B BlackRock, Inc. Institution | $33.4M 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $20.2M 0.03% of portfolio |
 VANGUARD GROUP INC Institution | $19.9M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $12.4M 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $10.4M 0.00% of portfolio |
 STATE STREET CORP Institution | $7.9M 0.00% of portfolio |
 ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $7.4M 0.01% of portfolio |
 HighTower Advisors, LLC RIA/Wealth | $7.0M 0.01% of portfolio |
 GOLDMAN SACHS GROUP INC Institution | $6.8M 0.00% of portfolio |
C CSM Advisors, LLC Institution | $5.8M 0.17% of portfolio |
Net Capital Flow
Institutional buying and selling activity for SPOK in Q3 2025
- Traded
- −$189.3M
- Buyers
- 81
- Sellers
- 48
- Total Bought
- +$21.7M
- Total Sold
- −$211.0M
- Avg Position
- $1.3M
Biggest Buyers
| Institution | Net Bought |
|---|---|
B BlackRock, Inc. Institution | +$3.7M +212.4K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$2.0M +115.9K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$1.4M +82.9K shares |
 Allspring Global Investments Holdings, LLC Long Only Manager | +$1.3M +74.4K shares |
 FIRST TRUST ADVISORS LP ETF Provider | +$1.1M +63.5K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | +$1.0M +60.5K shares |
 Connor, Clark & Lunn Investment Management Ltd. Long Only Manager | +$1.0M +59.3K shares |
J JANE STREET GROUP, LLC Institution | +$691.7K +40.1K shares |
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | +$656.4K +38.1K shares |
 UBS Group AG Institution | +$514.9K +29.9K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Kingstone Capital Partners Texas, LLC RIA/Wealth | −$197.6M −11.2M shares |
 SPRINGBOK CAPITAL MANAGEMENT, LLC Fund of Funds | −$2.6M −148.2K shares |
GOLDMAN SACHS GROUP INC Institution | −$2.3M −134.0K shares |
 JPMORGAN CHASE & CO Institution | −$1.9M −109.5K shares |
HighTower Advisors, LLC RIA/Wealth | −$772.8K −44.8K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$725.5K −42.1K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$479.2K −27.1K shares |
 Uniplan Investment Counsel, Inc. RIA/Wealth | −$465.5K −27.0K shares |
 SEGALL BRYANT & HAMILL Long Only Manager | −$456.3K −25.8K shares |
 UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager | −$393.0K −22.2K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited SPOK in Q3 2025
- New Positions
- 5
- New Value
- $677.6K
- Exited Positions
- 13
- Exited Value
- $202.7M
New Positions
| Institution | Position Value |
|---|---|
 Atom Investors LP Hedge Fund•Market Neutral | $307.5K 17.8K shares |
 Quantinno Capital Management LP Hedge Fund•Market Neutral | $186.0K 10.8K shares |
 Longboard Asset Management, LP Long Only Manager | $178.5K 10.4K shares |
O Optiver Holding B.V. Institution | $4.6K 266.0 shares |
 JPL Wealth Management, LLC RIA/Wealth | $949.0 55.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Kingstone Capital Partners Texas, LLC RIA/Wealth | $197.6M 11.2M shares |
SPRINGBOK CAPITAL MANAGEMENT, LLC Fund of Funds | $2.6M 148.2K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $479.2K 27.1K shares |
SEGALL BRYANT & HAMILL Long Only Manager | $456.3K 25.8K shares |
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager | $393.0K 22.2K shares |
 Magnetar Financial LLC Hedge Fund•Multi-Strategy | $326.7K 18.5K shares |
$280.5K 15.9K shares | |
W Winton Capital Group Ltd Institution | $251.3K 14.2K shares |
 INTECH INVESTMENT MANAGEMENT LLC Long Only Manager | $221.3K 12.5K shares |
 Caption Management, LLC Hedge Fund•Long/Short | $44.8K 2.5K shares |
Options Activity
Institutions with the largest Call and Put options positions in SPOK as of Q3 2025
- Call Positions
- 1
- Call Value
- $258.8K
- Put Positions
- 4
- Put Value
- $870.2K
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $258.8K 150.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
W WOLVERINE TRADING, LLC Institution | $870.2K 501.0 contracts |
Caption Management, LLC Hedge Fund•Long/Short | - - contracts |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | - - contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | - - contracts |
Most Committed Institutions
Institutions with SPOK as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Longboard Asset Management, LP Long Only Manager | 0.29% $178.5K |
Uniplan Investment Counsel, Inc. RIA/Wealth | 0.28% $2.8M |
 Significant Wealth Partners LLC RIA/Wealth | 0.22% $448.0K |
C CSM Advisors, LLC Institution | 0.17% $5.8M |
R Squared Ltd Private Equity | 0.14% $331.7K |
 North Star Investment Management Corp. RIA/Wealth | 0.14% $2.1M |
 CWM Advisors, LLC ETF Provider | 0.10% $1.0M |
 Keebeck Wealth Management, LLC RIA/Wealth | 0.08% $690.0K |
V Virtus Investment Advisers, Inc. Institution | 0.05% $170.2K |
S State of Wyoming Institution | 0.05% $403.2K |
Hedge Fund Spotlight
Discover hedge funds investing in SPOK
New Age Alpha Advisors, LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerArmen Raphael Arus
- Portfolio Value
- $2.4B
- Positions
- 799
- Last Reported
- Q3 2025
Sector Allocation
Position in Spok Holdings
- Market Value
- $113.3K
- Shares Held
- 6.6K
- Portfolio Weight
- 0.00%
- Owned Since
- 2024-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $87.3M | 3.67% | |
Consumer Electronics Technology | $74.1M | 3.11% | |
Semiconductors Technology | $68.8M | 2.89% |
