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ORBITAL ATK INC
ORBITAL ATK INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 39 Institutional holders with a total value of $102,538,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 AWM Investment Company, Inc. 2,298,955 29,105,000 28.38%
2 G2 Investment Partners Management LLC 1,121,265 14,195,000 13.84%
3 RENAISSANCE TECHNOLOGIES LLC 937,438 11,868,000 11.57%
4 IAT REINSURANCE CO LTD. 750,000 9,495,000 9.26%
5 WELLINGTON MANAGEMENT GROUP LLP 747,200 9,460,000 9.23%
6 BlackRock Institutional Trust Company, N.A. 581,708 7,364,000 7.18%
7 VANGUARD GROUP INC 315,607 3,996,000 3.90%
8 Hodges Capital Management Inc. 250,800 3,175,000 3.10%
9 Teton Advisors, Inc. 188,172 2,382,000 2.32%
10 Informed Momentum Co LLC 179,467 2,272,000 2.22%
11 Granite Investment Partners, LLC 157,109 1,989,000 1.94%
12 ESSEX INVESTMENT MANAGEMENT CO LLC 104,695 1,325,000 1.29%
13 SAB CAPITAL MANAGEMENT LP 78,084 989,000 0.96%
14 GEODE CAPITAL MANAGEMENT, LLC 67,673 856,000 0.83%
15 DIMENSIONAL FUND ADVISORS LP 58,109 736,000 0.72%
16 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 43,367 483,000 0.47%
17 BlackRock Fund Advisors 33,114 419,000 0.41%
18 NORTHERN TRUST CORP 29,312 371,000 0.36%
19 WEDGE CAPITAL MANAGEMENT L L P/NC 29,100 368,000 0.36%
20 Bank of New York Mellon Corp 19,943 253,000 0.25%
21 GSA CAPITAL PARTNERS LLP 19,929 252,000 0.25%
22 WELLS FARGO & COMPANY/MN 17,505 222,000 0.22%
23 SUSQUEHANNA INTERNATIONAL GROUP, LLP 16,236 206,000 0.20%
24 CREDIT SUISSE AG/ 14,228 180,000 0.18%
25 WEDBUSH SECURITIES INC 10,000 127,000 0.12%
26 DEUTSCHE BANK AG\ 9,953 125,000 0.12%
27 EARNEST PARTNERS LLC 5,500 70,000 0.07%
28 MORGAN STANLEY 5,503 70,000 0.07%
29 THOMPSON DAVIS & CO., INC. 4,750 60,000 0.06%
30 UBS Group AG 3,585 45,000 0.04%
31 PRELUDE CAPITAL MANAGEMENT, LLC 2,152 27,000 0.03%
32 BlackRock Investment Management, LLC 1,949 25,000 0.02%
33 BANK OF AMERICA CORP /DE/ 1,000 13,000 0.01%
34 FEDERATED HERMES, INC. 546 7,000 0.01%
35 MAGEE THOMSON INVESTMENT PARTNERS LLC 421 5,000 0.00%
36 GROUP ONE TRADING LLC 100 1,000 0.00%
37 Tower Research Capital LLC (TRC) 86 1,000 0.00%
38 BRAVE ASSET MANAGEMENT INC 64 1,000 0.00%
39 PIERSHALE FINANCIAL GROUP, INC. 108 0 0.00%

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.