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

Institutional Holders (2014Q3)
Portfolio Summary: 97 Institutional holders with a total value of $257,391,028.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Neuberger Berman Group LLC 1,311,335 31,563,000 12.26%
2 DIMENSIONAL FUND ADVISORS LP 916,757 22,067,000 8.57%
3 Bank of New York Mellon Corp 603,352 14,523,000 5.64%
4 NORTHERN TRUST CORP 536,406 12,911,000 5.02%
5 Oslo Asset Management AS 491,688 11,835,000 4.60%
6 ROYCE & ASSOCIATES LP 471,638 11,352,000 4.41%
7 Boston Trust Walden Corp 419,626 10,101,000 3.92%
8 BlackRock Institutional Trust Company, N.A. 405,288 9,755,000 3.79%
9 VANGUARD GROUP INC 375,681 9,043,000 3.51%
10 RENAISSANCE TECHNOLOGIES LLC 349,800 8,420,000 3.27%
11 PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 342,200 8,237,000 3.20%
12 SPITFIRE CAPITAL LLC 315,904 7,604,000 2.95%
13 BlackRock Fund Advisors 295,651 7,116,000 2.76%
14 EDGE ASSET MANAGEMENT, INC 267,304 6,434,000 2.50%
15 WEATHERBIE CAPITAL, LLC 267,322 6,434,000 2.50%
16 FRANKLIN RESOURCES INC 254,000 6,114,000 2.38%
17 STATE STREET CORP 218,440 5,254,000 2.04%
18 KENNEDY CAPITAL MANAGEMENT LLC 212,879 5,124,000 1.99%
19 WADDELL & REED FINANCIAL INC 206,700 4,976,000 1.93%
20 GREAT LAKES ADVISORS, LLC 203,169 4,890,000 1.90%
21 RK Capital Management, LLC 195,646 4,709,000 1.83%
22 AlphaOne Investment Services, LLC 168,470 4,055,000 1.58%
23 Clearbridge Investments, LLC 130,161 3,133,000 1.22%
24 KORNITZER CAPITAL MANAGEMENT INC /KS 120,350 2,897,000 1.13%
25 ANDERSON HOAGLAND & CO 83,209 2,470,000 0.96%
26 RICE HALL JAMES & ASSOCIATES, LLC 98,955 2,382,000 0.93%
27 BRIDGEWAY CAPITAL MANAGEMENT, LLC 81,405 1,959,000 0.76%
28 Nicholas Investment Partners, LP 76,286 1,836,000 0.71%
29 GEODE CAPITAL MANAGEMENT, LLC 73,337 1,765,000 0.69%
30 TIAA CREF INVESTMENT MANAGEMENT LLC 63,487 1,528,000 0.59%
31 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 60,597 1,459,000 0.57%
32 Boston Partners 57,900 1,394,000 0.54%
33 JPMORGAN CHASE & CO 56,991 1,372,000 0.53%
34 RUSSELL FRANK CO/ 55,919 1,346,000 0.52%
35 Nationwide Fund Advisors 52,264 1,258,000 0.49%
36 Pacific Ridge Capital Partners, LLC 49,470 1,191,000 0.46%
37 OUTFITTER ADVISORS, LTD. 48,600 1,170,000 0.45%
38 PARAMETRIC PORTFOLIO ASSOCIATES LLC 41,973 1,010,000 0.39%
39 BlackRock Investment Management, LLC 41,552 1,000,000 0.39%
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 38,738 933,000 0.36%
41 OMT Capital Management LLC 35,140 846,000 0.33%
42 TWO SIGMA INVESTMENTS, LP 33,299 802,000 0.31%
43 CREDIT SUISSE AG/ 32,073 773,000 0.30%
44 MILLENNIUM MANAGEMENT LLC 29,347 706,000 0.27%
45 Timpani Capital Management LLC 26,115 629,000 0.24%
46 TWO SIGMA ADVISERS, LP 24,869 599,000 0.23%
47 Advisors Asset Management, Inc. 23,817 573,000 0.22%
48 MUNDER CAPITAL MANAGEMENT 23,277 560,000 0.22%
49 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 23,023 554,000 0.22%
50 STRS OHIO 21,400 515,000 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.