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Spok Holdings
SPOK

Overview Fund Activity

118 hedge funds and large institutions have $247M invested in Spok Holdings in 2018 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 36 increasing their positions, 44 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
118
Holders Change
-8
Holders Change %
-6.35%
% of All Funds
2.71%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
36
Reduced
44
Closed
20
Calls
$290K
Puts
$918K
Net Calls
-$628K
Net Calls Change
+$93K

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$5.31M
2
AIM
Alambic Investment Management
California
+$1.17M
3
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$1.09M
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$993K
5
SG Americas Securities
SG Americas Securities
New York
+$896K

Top Sellers

1
BlackRock
BlackRock
New York
-$7.96M
2
PA
Prism Advisors
California
-$1.33M
3
State Street
State Street
Massachusetts
-$1.33M
4
AllianceBernstein
AllianceBernstein
Tennessee
-$980K
5
PI
PineBridge Investments
New York
-$960K
Name Holding Trade Value Shares
Change 		Shares
Change %
PPA
26
Parametric Portfolio Associates
Washington
$1.34M -$159K -10,641 -11%
SG Americas Securities
27
SG Americas Securities
New York
$1.33M +$896K +59,906 +208%
Citadel Advisors
28
Citadel Advisors
Florida
$1.31M +$363K +24,255 +38%
AIMCA
29
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$1.09M +$1.09M +72,600 New
SFM
30
Systematic Financial Management
New Jersey
$1.07M +$75.4K +5,045 +8%
Deutsche Bank
31
Deutsche Bank
Germany
$1.05M +$182K +12,163 +21%
TEE
32
Tibra Equities Europe
United Kingdom
$1.04M +$731K +48,938 +235%
New York State Teachers Retirement System (NYSTRS)
33
New York State Teachers Retirement System (NYSTRS)
New York
$1.02M -$8.97K -600 -0.9%
RhumbLine Advisers
34
RhumbLine Advisers
Massachusetts
$955K +$211K +14,119 +28%
PA
35
Prism Advisors
California
$909K -$1.33M -91,474 -59%
California Public Employees Retirement System
36
California Public Employees Retirement System
California
$784K -$281K -18,771 -26%
Millennium Management
37
Millennium Management
New York
$753K -$233K -15,552 -24%
AllianceBernstein
38
AllianceBernstein
Tennessee
$717K -$980K -65,530 -58%
SO
39
STRS Ohio
Ohio
$704K +$41.9K +2,800 +6%
TCIM
40
TIAA CREF Investment Management
New York
$697K -$46.9K -3,135 -6%
GC
41
Guggenheim Capital
Illinois
$626K -$97.3K -6,522 -13%
SRAM
42
Stone Ridge Asset Management
New York
$604K – – –
CS
43
Credit Suisse
Switzerland
$602K -$943K -63,071 -61%
TA
44
Teachers Advisors
New York
$597K – – –
Russell Investments Group
45
Russell Investments Group
United Kingdom
$575K +$88.3K +5,905 +18%
Legal & General Group
46
Legal & General Group
United Kingdom
$540K -$3.36K -224 -0.6%
Two Sigma Advisers
47
Two Sigma Advisers
New York
$536K -$49.3K -3,300 -8%
Prudential Financial
48
Prudential Financial
New Jersey
$514K -$117K -7,800 -18%
Canada Life
49
Canada Life
Manitoba, Canada
$506K +$8.9K +597 +2%
Bank of America
50
Bank of America
North Carolina
$505K -$43.7K -2,927 -8%
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