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

Institutional Holders (2015Q2)
Portfolio Summary: 147 Institutional holders with a total value of $333,846,316.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DIMENSIONAL FUND ADVISORS LP 5,442,418 34,506,000 10.34%
2 VANGUARD GROUP INC 5,058,203 32,068,000 9.61%
3 BlackRock Fund Advisors 4,022,300 25,501,000 7.64%
4 JPMORGAN CHASE & CO 2,601,115 16,491,000 4.94%
5 ACADIAN ASSET MANAGEMENT LLC 2,357,915 14,952,000 4.48%
6 STATE STREET CORP 2,262,646 14,347,000 4.30%
7 BlackRock Institutional Trust Company, N.A. 1,719,440 10,901,000 3.27%
8 CITADEL ADVISORS LLC 1,699,613 10,775,000 3.23%
9 TEACHERS ADVISORS, LLC 1,345,043 8,528,000 2.55%
10 Invesco Ltd. 1,304,166 8,268,000 2.48%
11 MILLENNIUM MANAGEMENT LLC 1,288,704 8,170,000 2.45%
12 NORTHERN TRUST CORP 1,085,259 6,881,000 2.06%
13 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 969,299 6,146,000 1.84%
14 FRANKLIN RESOURCES INC 937,387 5,943,000 1.78%
15 BOGLE INVESTMENT MANAGEMENT L P /DE/ 911,690 5,780,000 1.73%
16 TFS CAPITAL LLC 821,965 5,211,000 1.56%
17 QS Investors, LLC 783,485 4,967,000 1.49%
18 TIAA CREF INVESTMENT MANAGEMENT LLC 748,612 4,746,000 1.42%
19 Bank of New York Mellon Corp 682,223 4,326,000 1.30%
20 WALL STREET ASSOCIATES 619,300 3,926,000 1.18%
21 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 574,100 3,640,000 1.09%
22 MACQUARIE GROUP LTD 567,252 3,596,000 1.08%
23 BRIDGEWAY CAPITAL MANAGEMENT, LLC 557,740 3,536,000 1.06%
24 AMERIPRISE FINANCIAL INC 538,398 3,414,000 1.02%
25 FIRST TRUST ADVISORS LP 512,136 3,247,000 0.97%
26 PRUDENTIAL FINANCIAL INC 495,520 3,142,000 0.94%
27 GUGGENHEIM CAPITAL LLC 489,313 3,102,000 0.93%
28 MORGAN STANLEY 482,420 3,059,000 0.92%
29 Connor, Clark & Lunn Investment Management Ltd. 471,825 2,991,000 0.90%
30 PANAGORA ASSET MANAGEMENT INC 455,604 2,889,000 0.87%
31 PRINCIPAL FINANCIAL GROUP INC 408,540 2,590,000 0.78%
32 GOLDMAN SACHS GROUP INC 388,637 2,464,000 0.74%
33 Piermont Capital Management Inc. 382,600 2,426,000 0.73%
34 GEODE CAPITAL MANAGEMENT, LLC 372,185 2,358,000 0.71%
35 Jefferies Group LLC 347,892 2,206,000 0.66%
36 DEUTSCHE BANK AG\ 318,693 2,018,000 0.60%
37 TBP Investments Management, LLC 307,692 1,951,000 0.58%
38 Energy Opportunities Capital Management, LLC 306,040 1,940,000 0.58%
39 HBK INVESTMENTS L P 290,300 1,841,000 0.55%
40 BANK OF MONTREAL /CAN/ 280,220 1,776,000 0.53%
41 BlackRock Investment Management, LLC 275,745 1,748,000 0.52%
42 SMITH ASSET MANAGEMENT GROUP LP 253,860 1,609,000 0.48%
43 PARAMETRIC PORTFOLIO ASSOCIATES LLC 247,981 1,572,000 0.47%
44 Hutchin Hill Capital, LP 235,100 1,491,000 0.45%
45 D. E. Shaw & Co., Inc. 221,059 1,402,000 0.42%
46 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 212,574 1,348,000 0.40%
47 DALTON GREINER HARTMAN MAHER & CO 193,277 1,225,000 0.37%
48 MARTINGALE ASSET MANAGEMENT L P 188,082 1,193,000 0.36%
49 RUSSELL FRANK CO/ 187,755 1,190,000 0.36%
50 FEDERATED HERMES, INC. 182,836 1,159,000 0.35%
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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.