SPOK
Spok Holdings (SPOK)
NASDAQ
$10.72-$0.005 (-0.05%)
Price as of Jun 23, 2026 5:28 PM EDT
  • $215.6M
    Market Cap
  • -31.30%
    1-Year Change
  • Health Information Services
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUND ADVISORS
12.54%
2.6M
-153,291 (-5.85%)
Dec 31, 2016
BRAESIDE INVESTMENTS, LLC
9.47%
2.0M
+2.0M (+100.00%)
Sep 30, 2014
BLACKROCK, INC.
8.03%
1.7M
-123,322 (-7.36%)
Mar 31, 2026
BLACKROCK INC.
6.83%
1.4M
+9,450 (+0.66%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
6.62%
1.4M
-28,818 (-2.09%)
Dec 31, 2024
RENAISSANCE TECHNOLOGIES LLC
6.04%
1.3M
+15,000 (+1.19%)
Mar 31, 2026
VANGUARD GROUP INC
5.88%
1.2M
+74,447 (+6.06%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions206.7M (73.33%)
  • Mutual Funds73.4M (26.04%)
  • Insiders1.8M (0.62%)
  • Other0 (0.00%)

Insider Transactions

  • 0.62% (1.8M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $5.2M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Stein Todd J
Buy
Jun 16, 2026
$366,704.96
35,211
$10.41
532,771
Stein Todd J
Buy
Jun 16, 2026
$0.00
0
$0.00
566,912
Stein Todd J
Buy
Jun 16, 2026
$0.00
0
$0.00
48,364