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Spok Holdings

131 hedge funds and large institutions have $145M invested in Spok Holdings in 2025 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 39 increasing their positions, 53 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

26% less repeat investments, than reductions

Existing positions increased: 39 | Existing positions reduced: 53

27% less capital invested

Capital invested by funds: $198M → $145M (-$52.6M)

Holders
131
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
$315K
Puts
$281K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Ameriprise
51
Ameriprise
Minnesota
$264K
BHCM
52
Brevan Howard Capital Management
Jersey
$253K
HWAM
53
Hennion & Walsh Asset Management
New Jersey
$249K
Point72 Asset Management
54
Point72 Asset Management
Connecticut
$247K
AQR Capital Management
55
AQR Capital Management
Connecticut
$216K
Squarepoint
56
Squarepoint
New York
$213K
Canada Pension Plan Investment Board
57
Canada Pension Plan Investment Board
Ontario, Canada
$200K
SWP
58
Significant Wealth Partners
Illinois
$195K
VEA
59
Virtus ETF Advisers
New York
$193K
HIM
60
Hillsdale Investment Management
Ontario, Canada
$186K
Jane Street
61
Jane Street
New York
$182K
OQS
62
Occudo Quantitative Strategies
Florida
$178K
Deutsche Bank
63
Deutsche Bank
Germany
$174K
Grantham, Mayo, Van Otterloo & Co (GMO)
64
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$162K
CIM
65
Cambria Investment Management
California
$160K
AG
66
Algert Global
California
$159K
State of Wisconsin Investment Board
67
State of Wisconsin Investment Board
Wisconsin
$146K
MIM
68
MetLife Investment Management
New Jersey
$146K
T. Rowe Price Associates
69
T. Rowe Price Associates
Maryland
$142K
Ohio Public Employees Retirement System (OPERS)
70
Ohio Public Employees Retirement System (OPERS)
Ohio
$141K
OAM
71
Oxford Asset Management
United Kingdom
$137K
Mirae Asset Global ETFs Holdings
72
Mirae Asset Global ETFs Holdings
Hong Kong
$125K
A
73
AlphaQuest
New York
$121K
TC
74
Truvestments Capital
Florida
$116K
Citigroup
75
Citigroup
New York
$92.8K