Dark
Light
System
Security
POWER INTEGRATIONS INC
POWER INTEGRATIONS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 191 Institutional holders with a total value of $1,582,776,093.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Neuberger Berman Group LLC 3,347,389 174,332,000 11.01%
2 WASATCH ADVISORS LP 2,590,181 134,897,000 8.52%
3 VANGUARD GROUP INC 2,009,742 104,668,000 6.61%
4 WELLINGTON MANAGEMENT GROUP LLP 1,816,642 94,611,000 5.98%
5 BlackRock Fund Advisors 1,756,044 91,455,000 5.78%
6 Invesco Ltd. 1,575,918 82,073,000 5.19%
7 RIVERBRIDGE PARTNERS LLC 1,080,108 56,252,000 3.55%
8 GW&K Investment Management, LLC 817,265 42,563,000 2.69%
9 BlackRock Institutional Trust Company, N.A. 731,617 38,103,000 2.41%
10 Apex Capital Management 731,428 38,093,000 2.41%
11 SNYDER CAPITAL MANAGEMENT L P 693,028 36,093,000 2.28%
12 JENNISON ASSOCIATES LLC 672,359 35,016,000 2.21%
13 DISCIPLINED GROWTH INVESTORS INC /MN 671,900 34,993,000 2.21%
14 STATE STREET CORP 636,258 33,134,000 2.09%
15 NORTHERN TRUST CORP 614,145 31,985,000 2.02%
16 Boston Trust Walden Corp 569,871 29,679,000 1.88%
17 DIMENSIONAL FUND ADVISORS LP 533,800 27,800,000 1.76%
18 Stephens Investment Management Group LLC 498,195 25,946,000 1.64%
19 WADDELL & REED FINANCIAL INC 411,800 21,447,000 1.36%
20 MANAGED ACCOUNT ADVISORS LLC 388,228 20,219,000 1.28%
21 ATLANTA CAPITAL MANAGEMENT CO L L C 351,167 18,289,000 1.16%
22 Bank of New York Mellon Corp 344,469 17,940,000 1.13%
23 NORGES BANK 319,046 16,616,000 1.05%
24 KALMAR INVESTMENTS INC /DE/ 308,864 16,086,000 1.02%
25 PICTET ASSET MANAGEMENT LTD 313,950 15,537,000 0.98%
26 IRONBRIDGE CAPITAL MANAGEMENT LP 282,973 14,737,000 0.93%
27 FRONTIER CAPITAL MANAGEMENT CO LLC 257,647 13,418,000 0.85%
28 VOYA INVESTMENT MANAGEMENT LLC 255,366 13,300,000 0.84%
29 PANAGORA ASSET MANAGEMENT INC 242,164 12,612,000 0.80%
30 SENTINEL ASSET MANAGEMENT, INC. 227,600 11,853,000 0.75%
31 STATE OF WISCONSIN INVESTMENT BOARD 203,870 10,618,000 0.67%
32 FMR LLC 196,514 10,234,000 0.65%
33 PRINCIPAL FINANCIAL GROUP INC 187,331 9,756,000 0.62%
34 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 182,517 9,505,000 0.60%
35 GEODE CAPITAL MANAGEMENT, LLC 176,056 9,168,000 0.58%
36 TIAA CREF INVESTMENT MANAGEMENT LLC 165,588 8,624,000 0.54%
37 AMERIPRISE FINANCIAL INC 164,775 8,582,000 0.54%
38 Granahan Investment Management, LLC 138,681 7,223,000 0.46%
39 Copeland Capital Management, LLC 138,633 7,220,000 0.46%
40 NEW YORK STATE COMMON RETIREMENT FUND 126,785 6,603,000 0.42%
41 Grandeur Peak Global Advisors, LLC 123,890 6,452,000 0.41%
42 BALYASNY ASSET MANAGEMENT L.P. 115,000 5,989,000 0.38% Call
43 WELLS FARGO & COMPANY/MN 104,946 5,465,000 0.35%
44 Robeco Schweiz AG 100,500 5,311,000 0.34%
45 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 100,380 5,228,000 0.33%
46 BlackRock Investment Management, LLC 100,335 5,225,000 0.33%
47 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 99,634 5,189,000 0.33%
48 DEUTSCHE BANK AG\ 99,230 5,166,000 0.33%
49 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 91,300 4,950,000 0.31%
50 JPMORGAN CHASE & CO 84,019 4,376,000 0.28%
Page 1 of 4

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.