Dark
Light
System
Security
POWER SOLUTIONS INTL INC COM NEW
POWER SOLUTIONS INTL INC COM NEW. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 87 Institutional holders with a total value of $342,772,795.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Granahan Investment Management, LLC 506,644 34,958,000 10.20%
2 WELLS FARGO & COMPANY/MN 444,715 30,685,000 8.95%
3 FMR LLC 292,183 20,161,000 5.88%
4 WESTFIELD CAPITAL MANAGEMENT CO LP 279,904 19,313,000 5.63%
5 State of New Jersey Common Pension Fund D 250,000 17,250,000 5.03%
6 Stephens Investment Management Group LLC 221,447 15,280,000 4.46%
7 Ecofin Advisors Ltd 217,129 14,982,000 4.37%
8 RK Capital Management, LLC 206,169 14,226,000 4.15%
9 GAGNON SECURITIES LLC 167,610 11,565,000 3.37%
10 NEXT CENTURY GROWTH INVESTORS LLC 166,251 11,471,000 3.35%
11 BlackRock Institutional Trust Company, N.A. 159,183 10,984,000 3.20%
12 VANGUARD GROUP INC 135,221 9,330,000 2.72%
13 OAK RIDGE INVESTMENTS LLC 127,000 8,763,000 2.56%
14 Nichols Asset Management LLC 113,452 7,828,000 2.28%
15 GILDER GAGNON HOWE & CO LLC 110,980 7,658,000 2.23%
16 BlackRock Fund Advisors 108,997 7,521,000 2.19%
17 Gagnon Advisors, LLC 107,693 7,431,000 2.17%
18 KORNITZER CAPITAL MANAGEMENT INC /KS 96,373 6,650,000 1.94%
19 RUSSELL FRANK CO/ 87,219 6,018,000 1.76%
20 UNITED SERVICES AUTOMOBILE ASSOCIATION 75,615 5,217,000 1.52%
21 AMERIPRISE FINANCIAL INC 63,405 4,375,000 1.28%
22 Elk Creek Partners, LLC 59,303 4,092,000 1.19%
23 Tygh Capital Management, Inc. 58,629 4,045,000 1.18%
24 AMUNDI ASSET MANAGEMENT US, INC. 57,600 3,974,000 1.16%
25 NORTHERN TRUST CORP 56,949 3,930,000 1.15%
26 Summit Creek Advisors LLC 49,880 3,442,000 1.00%
27 STATE STREET CORP 48,876 3,372,000 0.98%
28 TCW GROUP INC 45,586 3,145,000 0.92%
29 Texan Capital Management 42,795 2,953,000 0.86%
30 SUFFOLK CAPITAL MANAGEMENT LLC 42,505 2,933,000 0.86%
31 ALYDAR PARTNERS LLC 35,000 2,415,000 0.70%
32 Bank of New York Mellon Corp 31,524 2,176,000 0.63%
33 Invesco Ltd. 29,779 2,055,000 0.60%
34 Richard Bernstein Advisors LLC 29,557 2,039,000 0.59%
35 SENTRY INVESTMENT MANAGEMENT LLC 27,800 1,918,000 0.56%
36 GAM Holding AG 27,200 1,877,000 0.55%
37 GEODE CAPITAL MANAGEMENT, LLC 26,989 1,862,000 0.54%
38 MORGAN STANLEY 24,938 1,720,000 0.50%
39 Informed Momentum Co LLC 22,770 1,571,000 0.46%
40 DRIEHAUS CAPITAL MANAGEMENT LLC 21,577 1,489,000 0.43%
41 FIRST TRUST ADVISORS LP 21,423 1,478,000 0.43%
42 Robert W. Baird & Co. Inc 18,424 1,271,000 0.37% SH
43 TIAA CREF INVESTMENT MANAGEMENT LLC 16,375 1,130,000 0.33%
44 G2 Investment Partners Management LLC 16,234 1,120,000 0.33%
45 Pembroke Management, LTD 16,200 1,118,000 0.33%
46 VIRTUS CAPITAL ADVISERS, LLC 15,420 1,064,000 0.31%
47 OBERWEIS ASSET MANAGEMENT INC/ 14,200 980,000 0.29%
48 1492 Capital Management LLC 13,824 954,000 0.28%
49 SUSQUEHANNA INTERNATIONAL GROUP, LLP 13,600 938,000 0.27%
50 BlackRock Investment Management, LLC 13,027 899,000 0.26%
Page 1 of 2

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.