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PIONEER ENERGY SERVICES CORP
PIONEER ENERGY SERVICES CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 126 Institutional holders with a total value of $103,839,433.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DIMENSIONAL FUND ADVISORS LP 5,090,075 11,045,000 10.64%
2 BlackRock Fund Advisors 4,194,043 9,101,000 8.76%
3 JPMORGAN CHASE & CO 2,682,340 5,821,000 5.61%
4 VANGUARD GROUP INC 2,486,595 5,396,000 5.20%
5 Encompass Capital Advisors LLC 1,908,154 4,141,000 3.99%
6 BlackRock Institutional Trust Company, N.A. 1,729,581 3,753,000 3.61%
7 STATE STREET CORP 1,599,229 3,471,000 3.34%
8 ACADIAN ASSET MANAGEMENT LLC 1,593,626 3,459,000 3.33%
9 FRANKLIN RESOURCES INC 1,523,822 3,307,000 3.18%
10 MILLENNIUM MANAGEMENT LLC 1,377,007 2,988,000 2.88%
11 PANAGORA ASSET MANAGEMENT INC 1,263,667 2,742,000 2.64%
12 OXFORD ASSET MANAGEMENT LLP 1,211,949 2,581,000 2.49%
13 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1,099,677 2,387,000 2.30%
14 QS Investors, LLC 972,596 2,111,000 2.03%
15 FIRST TRUST ADVISORS LP 908,911 1,972,000 1.90%
16 BOGLE INVESTMENT MANAGEMENT L P /DE/ 883,861 1,917,000 1.85%
17 TIAA CREF INVESTMENT MANAGEMENT LLC 857,079 1,860,000 1.79%
18 Bank of New York Mellon Corp 819,353 1,778,000 1.71%
19 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 751,400 1,631,000 1.57%
20 Invesco Ltd. 672,832 1,460,000 1.41%
21 NORTHERN TRUST CORP 660,651 1,434,000 1.38%
22 VAN DEN BERG MANAGEMENT I, INC 642,821 1,395,000 1.34%
23 Connor, Clark & Lunn Investment Management Ltd. 620,075 1,346,000 1.30%
24 Matarin Capital Management, LLC 612,903 1,330,000 1.28%
25 SYSTEMATIC FINANCIAL MANAGEMENT LP 560,115 1,215,000 1.17%
26 RENAISSANCE TECHNOLOGIES LLC 503,820 1,093,000 1.05%
27 PRINCIPAL FINANCIAL GROUP INC 437,258 949,000 0.91%
28 GEODE CAPITAL MANAGEMENT, LLC 433,036 938,000 0.90%
29 AQR CAPITAL MANAGEMENT LLC 402,517 873,000 0.84%
30 GOLDMAN SACHS GROUP INC 399,233 867,000 0.83%
31 TFS CAPITAL LLC 374,367 812,000 0.78%
32 DALTON GREINER HARTMAN MAHER & CO 365,015 792,000 0.76%
33 AMERIPRISE FINANCIAL INC 361,664 785,000 0.76%
34 DEERE & CO 360,950 783,000 0.75%
35 WALL STREET ASSOCIATES 358,300 778,000 0.75%
36 THRIVENT FINANCIAL FOR LUTHERANS 345,720 751,000 0.72%
37 PARAMETRIC PORTFOLIO ASSOCIATES LLC 326,845 709,000 0.68%
38 GUGGENHEIM CAPITAL LLC 309,400 672,000 0.65%
39 DEUTSCHE BANK AG\ 286,676 620,000 0.60%
40 BlackRock Investment Management, LLC 274,531 596,000 0.57%
41 D. E. Shaw & Co., Inc. 265,598 577,000 0.56%
42 BRIDGEWAY CAPITAL MANAGEMENT, LLC 262,000 569,000 0.55%
43 GSA CAPITAL PARTNERS LLP 261,680 568,000 0.55%
44 SMITH ASSET MANAGEMENT GROUP LP 211,160 458,000 0.44%
45 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 206,474 448,000 0.43%
46 CREDIT SUISSE AG/ 204,854 445,000 0.43%
47 FEDERATED HERMES, INC. 196,621 427,000 0.41%
48 WELLINGTON MANAGEMENT GROUP LLP 177,618 385,000 0.37%
49 FIRST QUADRANT LLC/CA 168,000 365,000 0.35%
50 OppenheimerFunds, Inc. 162,785 353,000 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.