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SPOK HLDGS INC COM
SPOK HLDGS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 123 Institutional holders with a total value of $258,395,021.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Fund Advisors 1,967,242 32,381,000 12.53%
2 RENAISSANCE TECHNOLOGIES LLC 1,724,900 28,392,000 10.99%
3 VANGUARD GROUP INC 1,690,560 27,827,000 10.77%
4 DIMENSIONAL FUND ADVISORS LP 1,188,742 19,567,000 7.57%
5 WELLINGTON MANAGEMENT GROUP LLP 838,240 13,797,000 5.34%
6 BlackRock Institutional Trust Company, N.A. 751,902 12,376,000 4.79%
7 STATE STREET CORP 536,623 8,834,000 3.42%
8 LSV ASSET MANAGEMENT 473,912 7,800,000 3.02%
9 Numeric Investors LLC 472,015 7,769,000 3.01%
10 Bank of New York Mellon Corp 468,983 7,719,000 2.99%
11 NORTHERN TRUST CORP 342,933 5,645,000 2.18%
12 AMERICAN CENTURY COMPANIES INC 259,570 4,273,000 1.65%
13 BRIDGEWAY CAPITAL MANAGEMENT, LLC 229,964 3,785,000 1.46%
14 MORGAN STANLEY 221,540 3,646,000 1.41%
15 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 213,092 3,507,000 1.36%
16 FIRST TRUST ADVISORS LP 202,280 3,330,000 1.29%
17 Invesco Ltd. 167,184 2,752,000 1.07%
18 GEODE CAPITAL MANAGEMENT, LLC 162,220 2,670,000 1.03%
19 HighTower Advisors, LLC 162,126 2,666,000 1.03%
20 PRUDENTIAL FINANCIAL INC 138,217 2,275,000 0.88%
21 PRINCIPAL FINANCIAL GROUP INC 136,346 2,244,000 0.87%
22 WELLS FARGO & COMPANY/MN 134,609 2,216,000 0.86%
23 AMERIPRISE FINANCIAL INC 126,141 2,076,000 0.80%
24 PARAMETRIC PORTFOLIO ASSOCIATES LLC 120,203 1,979,000 0.77%
25 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 118,919 1,958,000 0.76%
26 Piermont Capital Management Inc. 111,409 1,834,000 0.71%
27 Connor, Clark & Lunn Investment Management Ltd. 104,975 1,728,000 0.67%
28 SYSTEMATIC FINANCIAL MANAGEMENT LP 101,858 1,676,000 0.65%
29 QS Investors, LLC 100,197 1,649,000 0.64%
30 TFS CAPITAL LLC 95,040 1,564,000 0.61%
31 GOLDMAN SACHS GROUP INC 92,941 1,530,000 0.59%
32 BlackRock Investment Management, LLC 92,456 1,522,000 0.59%
33 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 86,339 1,421,000 0.55%
34 Foundry Partners, LLC 78,849 1,298,000 0.50%
35 JPMORGAN CHASE & CO 77,081 1,268,000 0.49%
36 DEUTSCHE BANK AG\ 72,442 1,190,000 0.46%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 70,732 1,164,000 0.45%
38 ROYAL BANK OF CANADA 70,094 1,153,000 0.45%
39 FIRST CITIZENS BANK & TRUST CO 66,990 1,103,000 0.43%
40 TWO SIGMA ADVISERS, LP 56,387 928,000 0.36%
41 PANAGORA ASSET MANAGEMENT INC 55,566 915,000 0.35%
42 GUGGENHEIM CAPITAL LLC 54,608 899,000 0.35%
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 54,100 890,000 0.34%
44 Nationwide Fund Advisors 51,304 844,000 0.33%
45 ROYCE & ASSOCIATES LP 46,811 771,000 0.30%
46 MILLENNIUM MANAGEMENT LLC 41,101 677,000 0.26%
47 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 39,613 652,000 0.25%
48 Concert Wealth Management Inc. 39,030 649,000 0.25%
49 ALGERT GLOBAL LLC 38,651 636,000 0.25%
50 STRS OHIO 38,400 632,000 0.24%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.