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

Institutional Holders (2016Q1)
Portfolio Summary: 127 Institutional holders with a total value of $285,782,394.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Fund Advisors 2,212,332 38,738,000 13.56%
2 VANGUARD GROUP INC 2,098,804 36,749,000 12.86%
3 RENAISSANCE TECHNOLOGIES LLC 1,658,084 29,033,000 10.16%
4 DIMENSIONAL FUND ADVISORS LP 1,321,592 23,141,000 8.10%
5 BlackRock Institutional Trust Company, N.A. 770,081 13,484,000 4.72%
6 WELLINGTON MANAGEMENT GROUP LLP 660,000 11,557,000 4.04%
7 STATE STREET CORP 559,754 9,803,000 3.43%
8 Numeric Investors LLC 477,946 8,369,000 2.93%
9 Bank of New York Mellon Corp 441,684 7,734,000 2.71%
10 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 401,319 7,011,000 2.45%
11 NORTHERN TRUST CORP 317,048 5,551,000 1.94%
12 AMERICAN CENTURY COMPANIES INC 265,078 4,642,000 1.62%
13 Invesco Ltd. 255,868 4,480,000 1.57%
14 BRIDGEWAY CAPITAL MANAGEMENT, LLC 229,964 4,027,000 1.41%
15 LSV ASSET MANAGEMENT 210,048 3,677,000 1.29%
16 RUSSELL FRANK CO/ 193,954 3,396,000 1.19%
17 GEODE CAPITAL MANAGEMENT, LLC 189,671 3,320,000 1.16%
18 MORGAN STANLEY 159,994 2,801,000 0.98%
19 HighTower Advisors, LLC 158,345 2,787,000 0.98%
20 PRINCIPAL FINANCIAL GROUP INC 142,469 2,495,000 0.87%
21 WELLS FARGO & COMPANY/MN 133,823 2,343,000 0.82%
22 JPMORGAN CHASE & CO 125,541 2,198,000 0.77%
23 PARAMETRIC PORTFOLIO ASSOCIATES LLC 123,844 2,169,000 0.76%
24 AMERIPRISE FINANCIAL INC 123,670 2,165,000 0.76%
25 ALAMBIC INVESTMENT MANAGEMENT, L.P. 114,080 1,998,000 0.70%
26 SCHRODER INVESTMENT MANAGEMENT GROUP 111,600 1,949,000 0.68%
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 109,189 1,912,000 0.67%
28 Piermont Capital Management Inc. 108,829 1,906,000 0.67%
29 GOLDMAN SACHS GROUP INC 108,331 1,897,000 0.66%
30 PRUDENTIAL FINANCIAL INC 104,317 1,827,000 0.64%
31 FIRST TRUST ADVISORS LP 99,850 1,748,000 0.61%
32 QS Investors, LLC 98,800 1,730,000 0.61%
33 BlackRock Investment Management, LLC 98,641 1,727,000 0.60%
34 Connor, Clark & Lunn Investment Management Ltd. 95,600 1,674,000 0.59%
35 Foundry Partners, LLC 85,589 1,499,000 0.52%
36 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 84,639 1,482,000 0.52%
37 ROYAL BANK OF CANADA 83,424 1,461,000 0.51%
38 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 77,900 1,364,000 0.48%
39 CITIGROUP INC 71,453 1,251,000 0.44%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 66,889 1,171,000 0.41%
41 DEUTSCHE BANK AG\ 64,385 1,126,000 0.39%
42 SYSTEMATIC FINANCIAL MANAGEMENT LP 63,438 1,110,000 0.39%
43 TWO SIGMA ADVISERS, LP 54,187 949,000 0.33%
44 PANAGORA ASSET MANAGEMENT INC 53,838 943,000 0.33%
45 Nationwide Fund Advisors 51,171 896,000 0.31%
46 ALLIANCEBERNSTEIN L.P. 49,703 870,000 0.30%
47 AQR CAPITAL MANAGEMENT LLC 48,540 850,000 0.30%
48 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 43,837 768,000 0.27%
49 Swiss National Bank 42,200 718,000 0.25%
50 RHUMBLINE ADVISERS 39,927 699,000 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.