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HUTCHINSON TECHNOLOGY INC
HUTCHINSON TECHNOLOGY INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 65 Institutional holders with a total value of $27,636,670.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DIMENSIONAL FUND ADVISORS LP 2,186,371 5,838,000 21.12%
2 RENAISSANCE TECHNOLOGIES LLC 1,740,770 4,648,000 16.82%
3 VANGUARD GROUP INC 881,608 2,354,000 8.52%
4 BlackRock Institutional Trust Company, N.A. 840,962 2,245,000 8.12%
5 BRIDGEWAY CAPITAL MANAGEMENT, LLC 495,250 1,322,000 4.78%
6 Invicta Capital Management, LLC 480,853 1,284,000 4.65%
7 Harvey Partners, LLC 442,500 1,181,000 4.27%
8 OXFORD ASSET MANAGEMENT LLP 319,222 852,000 3.08%
9 FULLER & THALER ASSET MANAGEMENT, INC. 284,850 761,000 2.75%
10 US BANCORP \DE\ 258,609 690,000 2.50%
11 KENNEDY CAPITAL MANAGEMENT LLC 251,579 672,000 2.43%
12 AWM Investment Company, Inc. 226,200 604,000 2.19%
13 ALGERT GLOBAL LLC 183,601 490,000 1.77%
14 NEEDHAM INVESTMENT MANAGEMENT LLC 160,000 427,000 1.55%
15 GEODE CAPITAL MANAGEMENT, LLC 155,302 414,000 1.50%
16 AQR CAPITAL MANAGEMENT LLC 109,218 292,000 1.06%
17 Potomac Capital Management, Inc. 100,845 269,000 0.97%
18 TWO SIGMA ADVISERS, LP 89,516 239,000 0.86%
19 TFS CAPITAL LLC 88,066 235,000 0.85%
20 PERKINS CAPITAL MANAGEMENT INC 83,500 223,000 0.81%
21 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 81,100 217,000 0.79%
22 Invesco Ltd. 78,758 210,000 0.76%
23 BlackRock Fund Advisors 73,752 197,000 0.71%
24 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 56,000 192,000 0.69%
25 NORTHERN TRUST CORP 56,564 151,000 0.55%
26 Glacier Peak Capital LLC 47,781 128,000 0.46%
27 TWO SIGMA INVESTMENTS, LP 41,769 112,000 0.41%
28 Bank of New York Mellon Corp 41,440 111,000 0.40%
29 Numeric Investors LLC 37,700 101,000 0.37%
30 CITADEL ADVISORS LLC 32,840 87,000 0.31%
31 PRELUDE CAPITAL MANAGEMENT, LLC 31,600 84,000 0.30%
32 GOLDMAN SACHS GROUP INC 30,972 83,000 0.30%
33 Virtu KCG Holdings LLC 30,219 81,000 0.29%
34 BALYASNY ASSET MANAGEMENT L.P. 28,470 76,000 0.27%
35 MILLENNIUM MANAGEMENT LLC 28,393 76,000 0.27%
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 20,033 53,000 0.19%
37 ROYCE & ASSOCIATES LP 19,400 52,000 0.19%
38 MORGAN STANLEY 18,910 51,000 0.18%
39 SUSQUEHANNA INTERNATIONAL GROUP, LLP 18,700 50,000 0.18% Call
40 PRICE T ROWE ASSOCIATES INC /MD/ 18,800 50,000 0.18%
41 ACADIAN ASSET MANAGEMENT LLC 15,362 41,000 0.15%
42 Paloma Partners Management Co 14,422 39,000 0.14%
43 Accredited Investors Inc. 14,000 38,000 0.14%
44 A.R.T. Advisors, LLC 14,383 38,000 0.14%
45 BlackRock Group LTD 13,675 37,000 0.13%
46 PEAK6 Group LLC 11,123 30,000 0.11%
47 STATE STREET CORP 11,354 30,000 0.11%
48 PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. 10,000 27,000 0.10%
49 Parallax Volatility Advisers, L.P. 10,000 27,000 0.10% Put
50 BLACKROCK ADVISORS LLC 7,941 21,000 0.08%
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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.