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

Institutional Holders (2015Q4)
Portfolio Summary: 98 Institutional holders with a total value of $243,914,403.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Neuberger Berman Group LLC 1,046,735 23,342,000 9.57%
2 DIMENSIONAL FUND ADVISORS LP 996,460 22,221,000 9.11%
3 Oslo Asset Management AS 564,932 12,598,000 5.16%
4 NORTHERN TRUST CORP 543,459 12,119,000 4.97%
5 Bank of New York Mellon Corp 515,530 11,497,000 4.71%
6 SPITFIRE CAPITAL LLC 463,417 10,334,000 4.24%
7 VANGUARD GROUP INC 458,276 10,220,000 4.19%
8 WEATHERBIE CAPITAL, LLC 443,743 9,895,000 4.06%
9 Boston Trust Walden Corp 408,563 9,111,000 3.74%
10 BlackRock Institutional Trust Company, N.A. 406,167 9,058,000 3.71%
11 LOOMIS SAYLES & CO L P 370,960 8,272,000 3.39%
12 BlackRock Fund Advisors 332,633 7,418,000 3.04%
13 RK Capital Management, LLC 301,942 6,733,000 2.76%
14 THB ASSET MANAGEMENT 289,778 6,462,000 2.65%
15 RENAISSANCE TECHNOLOGIES LLC 254,600 5,678,000 2.33%
16 KENNEDY CAPITAL MANAGEMENT LLC 245,749 5,480,000 2.25%
17 STATE STREET CORP 235,321 5,247,000 2.15%
18 BRIDGEWAY CAPITAL MANAGEMENT, LLC 215,005 4,795,000 1.97%
19 FRANKLIN RESOURCES INC 203,000 4,527,000 1.86%
20 AMERIPRISE FINANCIAL INC 201,429 4,492,000 1.84%
21 Brandywine Global Investment Management, LLC 178,447 3,980,000 1.63%
22 NS Advisors, LLC 172,604 3,849,000 1.58%
23 ROYCE & ASSOCIATES LP 159,166 3,549,000 1.46%
24 AlphaOne Investment Services, LLC 129,706 2,892,000 1.19%
25 WADDELL & REED FINANCIAL INC 127,465 2,842,000 1.17%
26 PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 93,250 2,079,000 0.85%
27 Boston Partners 89,420 1,994,000 0.82%
28 GEODE CAPITAL MANAGEMENT, LLC 85,802 1,913,000 0.78%
29 ANDERSON HOAGLAND & CO 84,598 1,887,000 0.77%
30 Opus Capital Group, LLC 78,141 1,743,000 0.71%
31 Pacific Ridge Capital Partners, LLC 73,910 1,648,000 0.68%
32 Granite Investment Partners, LLC 62,414 1,392,000 0.57%
33 WEDGE CAPITAL MANAGEMENT L L P/NC 55,900 1,247,000 0.51%
34 TIAA CREF INVESTMENT MANAGEMENT LLC 53,253 1,188,000 0.49%
35 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 51,689 1,153,000 0.47%
36 OUTFITTER ADVISORS, LTD. 49,750 1,109,000 0.45%
37 BlackRock Investment Management, LLC 48,970 1,092,000 0.45%
38 Clearbridge Investments, LLC 48,800 1,088,000 0.45%
39 KORNITZER CAPITAL MANAGEMENT INC /KS 47,381 1,057,000 0.43%
40 D. E. Shaw & Co., Inc. 43,561 971,000 0.40%
41 PARAMETRIC PORTFOLIO ASSOCIATES LLC 41,002 914,000 0.37%
42 VICTORY CAPITAL MANAGEMENT INC 38,493 858,000 0.35%
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 37,900 845,000 0.35%
44 RUSSELL FRANK CO/ 36,700 828,000 0.34%
45 TWO SIGMA INVESTMENTS, LP 36,346 811,000 0.33%
46 ZACKS INVESTMENT MANAGEMENT 35,106 783,000 0.32%
47 TWO SIGMA ADVISERS, LP 31,711 707,000 0.29%
48 ROYAL BANK OF CANADA 29,622 661,000 0.27%
49 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 23,641 527,000 0.22%
50 Rotella Capital Management, Inc. 23,406 522,000 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.