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

Institutional Holders (2014Q1)
Portfolio Summary: 156 Institutional holders with a total value of $702,504,215.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PARNASSUS INVESTMENTS, LLC 2,091,838 92,062,000 13.10%
2 VANGUARD GROUP INC 1,803,008 79,350,000 11.30%
3 BlackRock Fund Advisors 1,530,151 67,342,000 9.59%
4 DUFF & PHELPS INVESTMENT MANAGEMENT CO 800,000 35,208,000 5.01%
5 DEPRINCE RACE & ZOLLO INC 724,276 31,875,000 4.54%
6 BlackRock Institutional Trust Company, N.A. 700,232 30,817,000 4.39%
7 STATE STREET CORP 651,484 28,671,000 4.08%
8 DIMENSIONAL FUND ADVISORS LP 417,901 18,392,000 2.62%
9 Bank of New York Mellon Corp 408,227 17,966,000 2.56%
10 GABELLI FUNDS LLC 384,011 16,900,000 2.41%
11 NORTHERN TRUST CORP 379,901 16,719,000 2.38%
12 Invesco Ltd. 277,874 12,229,000 1.74%
13 NORGES BANK 271,763 11,961,000 1.70%
14 Fisher Asset Management, LLC 262,307 11,544,000 1.64%
15 RUSSELL FRANK CO/ 232,524 10,233,000 1.46%
16 HENNESSY ADVISORS INC 228,594 10,060,000 1.43%
17 OLD REPUBLIC INTERNATIONAL CORP 192,300 8,463,000 1.20%
18 CITADEL ADVISORS LLC 187,718 8,261,000 1.18%
19 BANK OF AMERICA CORP /DE/ 176,993 7,789,000 1.11%
20 First Washington CORP 174,270 7,670,000 1.09%
21 PRINCIPAL FINANCIAL GROUP INC 170,585 7,507,000 1.07%
22 FIRST TRUST ADVISORS LP 164,246 7,228,000 1.03%
23 GEODE CAPITAL MANAGEMENT, LLC 147,599 6,495,000 0.92%
24 ACADIA TRUST NA 145,225 6,391,000 0.91%
25 Clear Harbor Asset Management, LLC 126,966 5,588,000 0.80%
26 TIAA CREF INVESTMENT MANAGEMENT LLC 126,573 5,570,000 0.79%
27 JPMORGAN CHASE & CO 120,774 5,316,000 0.76%
28 BLACKROCK ADVISORS LLC 120,081 5,285,000 0.75%
29 AMERIPRISE FINANCIAL INC 114,947 5,059,000 0.72%
30 BlackRock Investment Management, LLC 106,894 4,704,000 0.67%
31 MANUFACTURERS LIFE INSURANCE COMPANY, THE 105,921 4,662,000 0.66%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 103,449 4,553,000 0.65%
33 ANALYTIC INVESTORS, LLC 97,554 4,293,000 0.61%
34 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 88,870 3,946,000 0.56%
35 PARAMETRIC PORTFOLIO ASSOCIATES LLC 79,525 3,500,000 0.50%
36 Legal & General Group Plc 78,761 3,466,000 0.49%
37 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 77,311 3,402,000 0.48%
38 FRANKLIN RESOURCES INC 76,949 3,387,000 0.48%
39 McAdams Wright Ragen, Inc. 68,634 3,020,000 0.43%
40 PHILADELPHIA TRUST CO 67,150 2,955,000 0.42%
41 NEW YORK STATE COMMON RETIREMENT FUND 64,070 2,820,000 0.40%
42 COMERICA BANK 61,812 2,720,000 0.39%
43 PRUDENTIAL FINANCIAL INC 61,599 2,711,000 0.39%
44 BlackRock Group LTD 55,717 2,452,000 0.35%
45 PUBLIC SECTOR PENSION INVESTMENT BOARD 54,677 2,406,000 0.34%
46 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 52,942 2,330,000 0.33%
47 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 48,968 2,155,000 0.31%
48 Piermont Capital Management Inc. 47,160 2,076,000 0.30%
49 ALLIANCEBERNSTEIN L.P. 46,976 2,067,000 0.29%
50 RHUMBLINE ADVISERS 45,369 1,997,000 0.28%
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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.