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Spok Holdings
SPOK

Overview Fund Activity

129 hedge funds and large institutions have $194M invested in Spok Holdings in 2025 Q2 according to their latest regulatory filings, with 24 funds opening new positions, 52 increasing their positions, 35 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
129
Holders Change
+4
Holders Change %
+3.2%
% of All Funds
1.73%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
52
Reduced
35
Closed
19
Calls
$622K
Puts
$1.19M
Net Calls
-$566K
Net Calls Change
-$1.41M

Top Buyers

1
CA
1
CSM Advisors
Pennsylvania
$6.18M
2
BlackRock
2
BlackRock
New York
$30.5M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$20.3M
4
Lazard Asset Management
4
Lazard Asset Management
New York
$1.17M
5
Connor, Clark & Lunn Investment Management (CC&L)
5
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.52M

Top Sellers

1
Allspring Global Investments
1
Allspring Global Investments
North Carolina
$0
2
Citadel Advisors
2
Citadel Advisors
Florida
$1.16M
3
HighTower Advisors
3
HighTower Advisors
Illinois
$8.01M
4
Prudential Financial
4
Prudential Financial
New Jersey
$878K
5
TI
5
Trexquant Investment
Connecticut
$1.97M
Name Holding Trade Value Shares
Change 		Shares
Change %
MAM
51
Martingale Asset Management
Massachusetts
$441K +$95.9K +5,426 +28%
Stifel Financial
52
Stifel Financial
Missouri
$410K +$3.5K +198 +0.9%
SWP
53
Significant Wealth Partners
Illinois
$410K +$17.8K +1,005 +5%
UBS AM
54
UBS AM
Illinois
$393K +$393K +22,229 New
Royal Bank of Canada
55
Royal Bank of Canada
Ontario, Canada
$389K -$29.7K -1,681 -7%
EGM
56
Engineers Gate Manager
New York
$388K -$87.5K -4,948 -18%
State Board of Administration of Florida Retirement System
57
State Board of Administration of Florida Retirement System
Florida
$356K -$235K -13,310 -40%
Wells Fargo
58
Wells Fargo
California
$354K -$59.5K -3,364 -14%
P
59
&Partners
Tennessee
$354K +$354K +20,000 New
AllianceBernstein
60
AllianceBernstein
Tennessee
$328K +$150K +8,500 +84%
MF
61
Magnetar Financial
Illinois
$327K +$327K +18,480 New
Fidelity Investments
62
Fidelity Investments
Massachusetts
$308K -$34.4K -1,943 -10%
RS
63
R Squared
Hong Kong
$308K +$308K +17,397 New
HIM
64
Hillsdale Investment Management
Ontario, Canada
$292K +$292K +16,500 New
FAIM
65
Financial Advocates Investment Management
Washington
$281K -$8.52K -482 -3%
TC
66
Truvestments Capital
Florida
$272K -$90K -5,092 -25%
D.E. Shaw & Co
67
D.E. Shaw & Co
New York
$256K +$256K +14,499 New
WG
68
Winton Group
United Kingdom
$251K +$251K +14,213 New
Deutsche Bank
69
Deutsche Bank
Germany
$237K -$71.4K -4,037 -23%
IIM
70
INTECH Investment Management
Florida
$221K +$221K +12,516 New
Grantham, Mayo, Van Otterloo & Co (GMO)
71
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$218K – – –
Cerity Partners
72
Cerity Partners
New York
$213K +$2.23K +126 +1%
MIM
73
MetLife Investment Management
New Jersey
$207K +$24.1K +1,363 +13%
A
74
AlphaQuest
New York
$201K -$24.7K -1,395 -11%
OQS
75
Occudo Quantitative Strategies
Florida
$198K -$111K -6,298 -36%
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