TradingNote
Gurus
Top Investors
Congress Trades
Insider Trades
Top Investors
Warren Buffett
Cathie Wood
Li Lu
Ray Dalio
Bill Ackman
View all Top Investors
Archive
Industry
Technology & Software
AI Infrastructure
Pharmaceuticals & Biotech
Healthcare Equipment
Finance & Real Estate
Income & Yield
Energy & Utilities
Infrastructure
Manufacturing
Business Services
Technology & Software
Services-Prepackaged Software
Computer Programming & Data Processing
View all Technology & Software
Research
Search
SPOK
Spok Holdings, Inc
Investor Moves
Investor
Portfolio Value
Portfolio Change
Position Change
Avg Buy Price
Current Price
Jim Simons
Renaissance Technologies
$14M
1.3M shares
Trim
Q1 2026
$2.7M
$10.90
$10.58
Ken Griffin
Citadel Advisors
$-1.1M
Exit
Q1 2026
$1.1M
--
$10.58
Steven Cohen
Point72
$977k
89.6k shares
Add
Q1 2026
$730k
$10.90
$10.58
Jeremy Grantham
GMO
$114k
10.5k shares
Trim
Q1 2026
$48k
$10.90
$10.58
Jim Simons
Renaissance Technologies
$16M
1.2M shares
Trim
Q4 2025
$3.8M
$13.19
$10.58
Ken Griffin
Citadel Advisors
$1.1M
80.5k shares
Add
Q4 2025
$659k
$13.19
$10.58