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Spok Holdings

138 hedge funds and large institutions have $114M invested in Spok Holdings in 2026 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 44 increasing their positions, 53 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less ownership

Funds ownership:

17% less repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 53

22% less capital invested

Capital invested by funds: $146M → $114M (-$31.4M)

Holders
138
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$33K
Puts
$8K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MAM
51
Martingale Asset Management
Massachusetts
$251K
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$221K
Two Sigma Investments
53
Two Sigma Investments
New York
$217K
CIM
54
Cambria Investment Management
California
$215K
Wells Fargo
55
Wells Fargo
California
$207K
HWAM
56
Hennion & Walsh Asset Management
New Jersey
$204K
OQS
57
Occudo Quantitative Strategies
Florida
$203K
Deutsche Bank
58
Deutsche Bank
Germany
$196K
Citadel Advisors
59
Citadel Advisors
Florida
$194K
ACM
60
Aquatic Capital Management
Illinois
$189K
Ameriprise
61
Ameriprise
Minnesota
$184K
SWP
62
Significant Wealth Partners
Illinois
$182K
Barclays
63
Barclays
United Kingdom
$167K
EF
64
Empowered Funds
Pennsylvania
$166K
Canada Pension Plan Investment Board
65
Canada Pension Plan Investment Board
Ontario, Canada
$166K
Fidelity Investments
66
Fidelity Investments
Massachusetts
$164K
T. Rowe Price Associates
67
T. Rowe Price Associates
Maryland
$162K
EC
68
EntryPoint Capital
New York
$162K
MF
69
Magnetar Financial
Illinois
$152K
Susquehanna International Group
70
Susquehanna International Group
Pennsylvania
$142K
Squarepoint
71
Squarepoint
New York
$136K
BMWS
72
Brady Martz Wealth Solutions
North Dakota
$133K
FPAS
73
Focus Partners Advisor Solutions
Missouri
$132K
QC
74
Quadrature Capital
United Kingdom
$124K
Ohio Public Employees Retirement System (OPERS)
75
Ohio Public Employees Retirement System (OPERS)
Ohio
$116K