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NORTHWEST NAT GAS CO
NORTHWEST NAT GAS CO. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 233 Institutional holders with a total value of $1,124,403,185.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 2,385,035 154,598,000 13.75%
2 BlackRock Fund Advisors 1,810,405 117,350,000 10.44%
3 DIMENSIONAL FUND ADVISORS LP 838,330 54,339,000 4.83%
4 DUFF & PHELPS INVESTMENT MANAGEMENT CO 800,000 51,856,000 4.61%
5 BlackRock Institutional Trust Company, N.A. 701,387 45,464,000 4.04%
6 STATE STREET CORP 575,076 37,277,000 3.32%
7 Invesco Ltd. 513,937 33,313,000 2.96%
8 GABELLI FUNDS LLC 458,000 29,688,000 2.64%
9 Bank of New York Mellon Corp 435,044 28,200,000 2.51%
10 NORGES BANK 414,876 26,892,000 2.39%
11 JPMORGAN CHASE & CO 329,199 21,339,000 1.90%
12 NORTHERN TRUST CORP 318,435 20,640,000 1.84%
13 PARNASSUS INVESTMENTS, LLC 280,000 18,150,000 1.61%
14 OLD REPUBLIC INTERNATIONAL CORP 263,300 17,067,000 1.52%
15 Fisher Asset Management, LLC 231,582 15,032,000 1.34%
16 FIRST TRUST ADVISORS LP 211,415 13,704,000 1.22%
17 HENNESSY ADVISORS INC 207,286 13,436,000 1.19%
18 Numeric Investors LLC 203,534 13,193,000 1.17%
19 GEODE CAPITAL MANAGEMENT, LLC 203,161 13,168,000 1.17%
20 PRINCIPAL FINANCIAL GROUP INC 200,021 12,965,000 1.15%
21 AHL Partners LLP 195,771 12,690,000 1.13%
22 AMERIPRISE FINANCIAL INC 193,283 12,530,000 1.11%
23 RENAISSANCE TECHNOLOGIES LLC 179,300 11,622,000 1.03%
24 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 173,988 11,278,000 1.00%
25 Robeco Institutional Asset Management B.V. 154,281 10,001,000 0.89%
26 BANK OF AMERICA CORP /DE/ 153,610 9,956,000 0.89%
27 MILLENNIUM MANAGEMENT LLC 153,469 9,948,000 0.88%
28 PARAMETRIC PORTFOLIO ASSOCIATES LLC 145,131 9,407,000 0.84%
29 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 144,851 9,390,000 0.84%
30 ACADIA TRUST NA 144,031 9,336,000 0.83%
31 BLACKROCK ADVISORS LLC 140,665 9,118,000 0.81%
32 EMERALD ACQUISITION LTD. 135,425 8,778,000 0.78%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 131,948 8,553,000 0.76%
34 BlackRock Investment Management, LLC 123,302 7,992,000 0.71%
35 Global X Management CO LLC 111,972 7,258,000 0.65%
36 DEUTSCHE BANK AG\ 109,708 7,109,000 0.63%
37 TWO SIGMA INVESTMENTS, LP 93,802 6,080,000 0.54%
38 Clear Harbor Asset Management, LLC 92,953 6,025,000 0.54%
39 JACOBS LEVY EQUITY MANAGEMENT, INC 90,808 5,886,000 0.52%
40 MORGAN STANLEY 90,715 5,880,000 0.52%
41 Robeco Schweiz AG 90,200 5,656,000 0.50%
42 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 79,911 5,180,000 0.46%
43 Legal & General Group Plc 76,724 4,966,000 0.44%
44 AQR CAPITAL MANAGEMENT LLC 74,179 4,808,000 0.43%
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 73,300 4,751,000 0.42%
46 TWO SIGMA ADVISERS, LP 71,898 4,660,000 0.41%
47 PRUDENTIAL FINANCIAL INC 70,349 4,560,000 0.41%
48 ANALYTIC INVESTORS, LLC 67,209 4,356,000 0.39%
49 QS Investors, LLC 66,795 4,330,000 0.39%
50 AXA S.A. 62,400 4,045,000 0.36%
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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.