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

Institutional Holders (2015Q2)
Portfolio Summary: 91 Institutional holders with a total value of $252,340,449.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Neuberger Berman Group LLC 1,165,385 26,594,000 10.54%
2 DIMENSIONAL FUND ADVISORS LP 938,977 21,427,000 8.49%
3 Bank of New York Mellon Corp 578,283 13,197,000 5.23%
4 WEATHERBIE CAPITAL, LLC 562,919 12,846,000 5.09%
5 Oslo Asset Management AS 560,488 12,790,000 5.07%
6 NORTHERN TRUST CORP 527,190 12,030,000 4.77%
7 SPITFIRE CAPITAL LLC 441,854 10,083,000 4.00%
8 Boston Trust Walden Corp 422,167 9,634,000 3.82%
9 VANGUARD GROUP INC 411,151 9,383,000 3.72%
10 BlackRock Institutional Trust Company, N.A. 400,690 9,144,000 3.62%
11 BlackRock Fund Advisors 323,925 7,392,000 2.93%
12 THB ASSET MANAGEMENT 315,461 7,198,000 2.85%
13 EDGE ASSET MANAGEMENT, INC 301,768 6,886,000 2.73%
14 ROYCE & ASSOCIATES LP 295,266 6,738,000 2.67%
15 RENAISSANCE TECHNOLOGIES LLC 266,100 6,072,000 2.41%
16 PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 264,800 6,043,000 2.39%
17 KENNEDY CAPITAL MANAGEMENT LLC 257,411 5,874,000 2.33%
18 STATE STREET CORP 229,400 5,238,000 2.08%
19 LOOMIS SAYLES & CO L P 223,008 5,089,000 2.02%
20 AMERIPRISE FINANCIAL INC 210,209 4,798,000 1.90%
21 RK Capital Management, LLC 208,091 4,749,000 1.88%
22 NS Advisors, LLC 203,244 4,638,000 1.84%
23 FRANKLIN RESOURCES INC 203,000 4,632,000 1.84%
24 BRIDGEWAY CAPITAL MANAGEMENT, LLC 133,105 3,037,000 1.20%
25 AlphaOne Investment Services, LLC 126,518 2,887,000 1.14%
26 KORNITZER CAPITAL MANAGEMENT INC /KS 114,381 2,610,000 1.03%
27 Clearbridge Investments, LLC 77,715 1,773,000 0.70%
28 GEODE CAPITAL MANAGEMENT, LLC 77,027 1,757,000 0.70%
29 Pacific Ridge Capital Partners, LLC 69,490 1,586,000 0.63%
30 Boston Partners 52,990 1,209,000 0.48%
31 OUTFITTER ADVISORS, LTD. 52,650 1,201,000 0.48%
32 Nationwide Fund Advisors 49,698 1,134,000 0.45%
33 ANDERSON HOAGLAND & CO 49,641 1,133,000 0.45%
34 TIAA CREF INVESTMENT MANAGEMENT LLC 49,538 1,130,000 0.45%
35 BlackRock Investment Management, LLC 49,123 1,121,000 0.44%
36 Granite Investment Partners, LLC 48,971 1,117,000 0.44%
37 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 47,723 1,090,000 0.43%
38 Opus Capital Group, LLC 46,738 1,067,000 0.42%
39 PARAMETRIC PORTFOLIO ASSOCIATES LLC 44,038 1,005,000 0.40%
40 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 39,200 895,000 0.35%
41 TWO SIGMA INVESTMENTS, LP 36,187 826,000 0.33%
42 TWO SIGMA ADVISERS, LP 34,369 784,000 0.31%
43 OMT Capital Management LLC 30,460 695,000 0.28%
44 MILLENNIUM MANAGEMENT LLC 28,930 660,000 0.26%
45 RUSSELL FRANK CO/ 28,900 660,000 0.26%
46 ROYAL BANK OF CANADA 25,976 593,000 0.23%
47 D. E. Shaw & Co., Inc. 24,176 552,000 0.22%
48 BARCLAYS PLC 24,676 543,000 0.22%
49 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 23,257 531,000 0.21%
50 CREDIT SUISSE AG/ 22,510 513,000 0.20%
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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.