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NATURAL GAS SVCS GROUP INC
NATURAL GAS SVCS GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 106 Institutional holders with a total value of $348,106,855.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Neuberger Berman Group LLC 1,359,635 44,950,000 12.91%
2 DIMENSIONAL FUND ADVISORS LP 904,421 29,900,000 8.59%
3 Bank of New York Mellon Corp 623,347 20,607,000 5.92%
4 ROYCE & ASSOCIATES LP 541,566 17,904,000 5.14%
5 NORTHERN TRUST CORP 506,021 16,729,000 4.81%
6 Oslo Asset Management AS 491,688 16,255,000 4.67%
7 Boston Trust Walden Corp 433,695 14,338,000 4.12%
8 BlackRock Institutional Trust Company, N.A. 414,846 13,715,000 3.94%
9 VANGUARD GROUP INC 356,215 11,776,000 3.38%
10 PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 328,950 10,875,000 3.12%
11 BlackRock Fund Advisors 313,164 10,353,000 2.97%
12 RENAISSANCE TECHNOLOGIES LLC 292,100 9,657,000 2.77%
13 FRANKLIN RESOURCES INC 275,100 9,095,000 2.61%
14 SPITFIRE CAPITAL LLC 270,704 8,949,000 2.57%
15 EDGE ASSET MANAGEMENT, INC 267,304 8,837,000 2.54%
16 KENNEDY CAPITAL MANAGEMENT LLC 217,000 7,174,000 2.06%
17 STATE STREET CORP 213,904 7,073,000 2.03%
18 RK Capital Management, LLC 189,846 6,276,000 1.80%
19 WEATHERBIE CAPITAL, LLC 179,220 5,925,000 1.70%
20 AlphaOne Investment Services, LLC 168,420 5,568,000 1.60%
21 Clearbridge Investments, LLC 161,765 5,348,000 1.54%
22 DRIEHAUS CAPITAL MANAGEMENT LLC 125,400 4,146,000 1.19%
23 ANDERSON HOAGLAND & CO 107,129 3,542,000 1.02%
24 Informed Momentum Co LLC 103,633 3,426,000 0.98%
25 JPMORGAN CHASE & CO 101,316 3,349,000 0.96%
26 RICE HALL JAMES & ASSOCIATES, LLC 100,563 3,325,000 0.96%
27 GREAT LAKES ADVISORS, LLC 87,728 2,900,000 0.83%
28 BRIDGEWAY CAPITAL MANAGEMENT, LLC 82,205 2,718,000 0.78%
29 RUSSELL FRANK CO/ 80,716 2,509,000 0.72%
30 Timpani Capital Management LLC 73,783 2,439,000 0.70%
31 GEODE CAPITAL MANAGEMENT, LLC 72,824 2,407,000 0.69%
32 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 72,026 2,379,000 0.68%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 64,111 2,120,000 0.61%
34 Nationwide Fund Advisors 52,751 1,744,000 0.50%
35 OUTFITTER ADVISORS, LTD. 47,775 1,579,000 0.45%
36 PARAMETRIC PORTFOLIO ASSOCIATES LLC 42,220 1,396,000 0.40%
37 PANAGORA ASSET MANAGEMENT INC 41,767 1,381,000 0.40%
38 BlackRock Investment Management, LLC 40,959 1,354,000 0.39%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 39,600 1,309,000 0.38%
40 OMT Capital Management LLC 38,670 1,278,000 0.37%
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 38,075 1,259,000 0.36%
42 Boston Partners 34,209 1,131,000 0.32%
43 TWO SIGMA ADVISERS, LP 31,769 1,050,000 0.30%
44 Pacific Ridge Capital Partners, LLC 28,870 954,000 0.27%
45 CREDIT SUISSE AG/ 26,865 888,000 0.26%
46 GOLDMAN SACHS GROUP INC 25,269 835,000 0.24%
47 MUNDER CAPITAL MANAGEMENT 25,261 835,000 0.24%
48 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 22,792 754,000 0.22%
49 STRS OHIO 22,400 741,000 0.21%
50 ROYAL BANK OF CANADA 21,878 723,000 0.21%
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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.