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

Institutional Holders (2015Q4)
Portfolio Summary: 122 Institutional holders with a total value of $294,459,538.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Fund Advisors 2,280,910 41,786,000 14.19%
2 VANGUARD GROUP INC 1,784,799 32,697,000 11.10%
3 RENAISSANCE TECHNOLOGIES LLC 1,677,700 30,735,000 10.44%
4 DIMENSIONAL FUND ADVISORS LP 1,247,980 22,863,000 7.76%
5 WELLINGTON MANAGEMENT GROUP LLP 996,607 18,257,000 6.20%
6 BlackRock Institutional Trust Company, N.A. 749,146 13,724,000 4.66%
7 Numeric Investors LLC 624,432 11,440,000 3.89%
8 STATE STREET CORP 567,421 10,393,000 3.53%
9 Bank of New York Mellon Corp 436,751 8,002,000 2.72%
10 LSV ASSET MANAGEMENT 316,273 5,794,000 1.97%
11 NORTHERN TRUST CORP 315,887 5,787,000 1.97%
12 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 296,094 5,424,000 1.84%
13 AMERICAN CENTURY COMPANIES INC 260,199 4,767,000 1.62%
14 BRIDGEWAY CAPITAL MANAGEMENT, LLC 230,164 4,217,000 1.43%
15 Invesco Ltd. 204,239 3,742,000 1.27%
16 MORGAN STANLEY 184,443 3,378,000 1.15%
17 GEODE CAPITAL MANAGEMENT, LLC 169,715 3,109,000 1.06%
18 FIRST TRUST ADVISORS LP 165,424 3,031,000 1.03%
19 HighTower Advisors, LLC 160,322 2,934,000 1.00%
20 PRINCIPAL FINANCIAL GROUP INC 139,233 2,551,000 0.87%
21 WELLS FARGO & COMPANY/MN 132,238 2,422,000 0.82%
22 JPMORGAN CHASE & CO 131,188 2,403,000 0.82%
23 AMERIPRISE FINANCIAL INC 121,735 2,231,000 0.76%
24 PARAMETRIC PORTFOLIO ASSOCIATES LLC 114,455 2,097,000 0.71%
25 Piermont Capital Management Inc. 111,409 2,041,000 0.69%
26 PRUDENTIAL FINANCIAL INC 111,217 2,037,000 0.69%
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 108,016 1,979,000 0.67%
28 QS Investors, LLC 98,800 1,810,000 0.61%
29 GOLDMAN SACHS GROUP INC 94,025 1,723,000 0.59%
30 BlackRock Investment Management, LLC 93,485 1,713,000 0.58%
31 Connor, Clark & Lunn Investment Management Ltd. 89,750 1,644,000 0.56%
32 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 84,839 1,554,000 0.53%
33 Foundry Partners, LLC 82,689 1,515,000 0.51%
34 SYSTEMATIC FINANCIAL MANAGEMENT LP 80,203 1,469,000 0.50%
35 ROYAL BANK OF CANADA 78,239 1,434,000 0.49%
36 TIAA CREF INVESTMENT MANAGEMENT LLC 70,732 1,296,000 0.44%
37 ALAMBIC INVESTMENT MANAGEMENT, L.P. 67,953 1,245,000 0.42%
38 FIRST CITIZENS BANK & TRUST CO 64,099 1,174,000 0.40%
39 DEUTSCHE BANK AG\ 59,279 1,084,000 0.37%
40 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 56,100 1,028,000 0.35%
41 TWO SIGMA ADVISERS, LP 54,182 993,000 0.34%
42 PANAGORA ASSET MANAGEMENT INC 53,838 986,000 0.33%
43 Nationwide Fund Advisors 51,741 948,000 0.32%
44 ROYCE & ASSOCIATES LP 46,811 858,000 0.29%
45 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 40,313 739,000 0.25%
46 STRS OHIO 40,300 738,000 0.25%
47 Concert Wealth Management Inc. 38,071 702,000 0.24%
48 RHUMBLINE ADVISERS 36,707 672,000 0.23%
49 CITIGROUP INC 35,869 658,000 0.22%
50 LOS ANGELES CAPITAL MANAGEMENT LLC 35,900 658,000 0.22%
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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.