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PIONEER ENERGY SVCS CORP COM
PIONEER ENERGY SVCS CORP COM. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 161 Institutional holders with a total value of $424,893,336.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Fund Advisors 6,150,995 42,134,000 9.92%
2 DIMENSIONAL FUND ADVISORS LP 5,504,778 37,708,000 8.87%
3 Bank of New York Mellon Corp 4,136,889 28,338,000 6.67%
4 VANGUARD GROUP INC 3,798,203 26,018,000 6.12%
5 JPMORGAN CHASE & CO 2,818,499 19,306,000 4.54%
6 MILLENNIUM MANAGEMENT LLC 2,365,947 16,207,000 3.81%
7 BlackRock Institutional Trust Company, N.A. 2,252,799 15,432,000 3.63%
8 VAN DEN BERG MANAGEMENT I, INC 2,011,291 13,777,000 3.24%
9 STATE STREET CORP 1,701,406 11,652,000 2.74%
10 PRINCIPAL FINANCIAL GROUP INC 1,336,880 9,157,000 2.16%
11 FRANKLIN RESOURCES INC 1,324,550 9,073,000 2.14%
12 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 1,245,600 8,532,000 2.01%
13 Invesco Ltd. 1,091,851 7,479,000 1.76%
14 TEACHERS ADVISORS, LLC 1,083,044 7,419,000 1.75%
15 AMERIPRISE FINANCIAL INC 944,705 6,472,000 1.52%
16 LORD, ABBETT & CO. LLC 932,921 6,391,000 1.50%
17 ACADIAN ASSET MANAGEMENT LLC 830,873 5,692,000 1.34%
18 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 822,650 5,636,000 1.33%
19 MACQUARIE GROUP LTD 787,893 5,397,000 1.27%
20 NORTHERN TRUST CORP 784,051 5,371,000 1.26%
21 MARSHALL WACE, LLP 745,106 5,104,000 1.20%
22 NEW YORK STATE COMMON RETIREMENT FUND 716,639 4,909,000 1.16%
23 SYSTEMATIC FINANCIAL MANAGEMENT LP 701,500 4,805,000 1.13%
24 GEODE CAPITAL MANAGEMENT, LLC 684,904 4,691,000 1.10%
25 Matarin Capital Management, LLC 678,457 4,647,431 1.09%
26 Informed Momentum Co LLC 647,818 4,438,000 1.04%
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 642,000 4,398,000 1.04%
28 PANAGORA ASSET MANAGEMENT INC 583,583 3,998,000 0.94%
29 SG Capital Management LLC 570,830 3,910,000 0.92%
30 DEUTSCHE BANK AG\ 525,521 3,599,000 0.85%
31 THRIVENT FINANCIAL FOR LUTHERANS 508,286 3,482,000 0.82%
32 QS Investors, LLC 502,295 3,441,000 0.81%
33 MORGAN STANLEY 494,892 3,390,000 0.80%
34 GeoSphere Capital Management, LLC 450,000 3,083,000 0.73%
35 Energy Opportunities Capital Management, LLC 438,135 3,001,000 0.71%
36 TWO SIGMA INVESTMENTS, LP 414,489 2,839,000 0.67%
37 BlackRock Investment Management, LLC 408,211 2,796,000 0.66%
38 WELLINGTON MANAGEMENT GROUP LLP 400,346 2,743,000 0.65%
39 GOLDMAN SACHS GROUP INC 372,226 2,549,000 0.60%
40 PRELUDE CAPITAL MANAGEMENT, LLC 370,100 2,535,000 0.60%
41 MONASHEE INVESTMENT MANAGEMENT LLC 350,000 2,398,000 0.56%
42 Connor, Clark & Lunn Investment Management Ltd. 348,600 2,388,000 0.56%
43 TIAA CREF INVESTMENT MANAGEMENT LLC 337,369 2,311,000 0.54%
44 Laurion Capital Management LP 322,200 2,207,000 0.52%
45 PARAMETRIC PORTFOLIO ASSOCIATES LLC 312,153 2,138,000 0.50%
46 TWO SIGMA ADVISERS, LP 279,468 1,914,000 0.45%
47 GSA CAPITAL PARTNERS LLP 223,671 1,532,000 0.36%
48 HIGHBRIDGE CAPITAL MANAGEMENT LLC 219,101 1,501,000 0.35%
49 RUSSELL INVESTMENTS GROUP, LTD. 219,032 1,478,000 0.35%
50 AQR CAPITAL MANAGEMENT LLC 209,507 1,435,000 0.34%
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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.