Institutional and Fund Ownership

SecurityWG / Willbros Group, Inc.
President & CEOFournier Michael J
Institutional Owners88
Institutional Shares36,675,201
Outstanding Shares61,829,768

Willbros Group, Inc. (NYSE:WG) has 88 institutional investors that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 36,675,201 shares. Major holders include Heartland Advisors Inc , Gendell Jeffrey L, Gendell Jeffrey L Et Al , Lawndale Capital Management Llc, and BlackRock Inc. .


Willbros Group, Inc. (NYSE:WG) ownership summary shows current positions in the company by institutions and funds, as well as latest changes in position size. Owners can include individual investors, mutual funds, hedge funds, or institutions. The Schedule 13D indicates that the investor holds more than 5% of the company and intends to actively pursue a change in business strategy. Schedule 13G indicates a passive investment of over 5%. Green rows indicate new positions. Red rows indicate closed positions.

File DateFormInvestor Opt Prev Shares Current Shares Change
(Percent)
Prev Value (x$1000) Current Value (x$1000) Change
(Percent)
2017-07-20 13F-HR PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. * 0 207,852 0 513
2017-05-12 13F-HR UBS Group AG * 11,971 1,424 -88.10 39 4 -89.74
2017-05-12 13F-HR Oppenheimer & Close, LLC * 15,000 15,000 0.00 48 41 -14.58
2017-02-10 SC 13G/A GENDELL JEFFREY L ET AL * 302,817 3,561,472 1,076.11
2017-05-10 13F-HR SG Americas Securities, LLC * 0 32,198 0 88
2017-06-29 13F-HR/A Kohlberg Kravis Roberts & Co. L.P. * 10,125,410 0 -100.00 32,806 0 -100.00
2017-05-15 13F-HR Mariner Wealth Advisors, LLC * 119,865 119,865 0.00 388 328 -15.46
2017-05-19 13F-HR Tower Research Capital LLC (TRC) * 0 2,561 0 7
2017-05-09 13F-HR Cutter & CO Brokerage, Inc. * 91,000 101,000 10.99 295 277 -6.10
2016-11-15 13F-HR True Bearing Asset Management LP * 111,224 0 -100.00 281 0 -100.00
2016-11-14 13F-HR DRIEHAUS CAPITAL MANAGEMENT LLC * 59,785 0 -100.00 151 0 -100.00
2017-07-11 13F-HR Cutler Group LP * 4,875 12
2017-02-10 13F-HR BlackRock Advisors LLC * 21,135 25,954 22.80 40 84 110.00
2017-05-12 13F-HR CITIGROUP INC * 46,238 3,271 -92.93 150 9 -94.00
2017-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP * Call 0 0
2017-05-15 13F-HR Voya Investment Management LLC * 19,218 19,218 0.00 62 53 -14.52
2017-07-18 13F-HR NISA INVESTMENT ADVISORS L.L.C. * 800 3,750 368.75 2 9 350.00
2017-05-15 13F-HR Walleye Trading LLC * 0 3,900 0 11
2017-05-02 13F-HR RHUMBLINE ADVISERS * 45,157 45,010 -0.33 146 123 -15.75
2017-05-15 13F-HR MILLENNIUM MANAGEMENT LLC * 65,731 59,695 -9.18 213 164 -23.00
2017-05-18 13F-HR/A GOLDMAN SACHS GROUP INC * 16,714 28,676 71.57 54 79 46.30
2017-07-12 13F-HR SIMPLEX TRADING, LLC * Call 39 0
2017-05-15 13F-HR BOKF, NA * 36,410 36,410 0.00 118 100 -15.25
2017-05-10 13F-HR CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. * 83,100 3,700 -95.55 268 10 -96.27
2017-05-15 13F-HR BRIDGEWAY CAPITAL MANAGEMENT INC * 1,029,200 626,609 -39.12 3,335 1,717 -48.52
2017-05-04 13F-HR Acrospire Investment Management LLC * 7,233 619 -91.44 23 2 -91.30
2017-05-15 13F-HR ROYAL BANK OF CANADA * 8,761 7,211 -17.69 29 19 -34.48
2016-11-09 13F-HR Emerald Acquisition Ltd. * 615,810 418,754 -32.00 1,558 788 -49.42
2017-02-13 13F-HR LPL Financial LLC * 15,485 0 -100.00 29 0 -100.00
2017-07-21 13F-HR HUNTINGTON NATIONAL BANK * 2,446 2,446 0.00 7 6 -14.29
2017-05-10 13F-HR GROUP ONE TRADING, L.P. * 300 0 -100.00 1 0 -100.00
2017-06-05 13F-HR COLUMBIA PARTNERS L L C INVESTMENT MANAGEMENT * 32,376 88
2017-01-31 13F-HR/A CITADEL ADVISORS LLC * Put 400 1
2017-05-15 13F-HR DEUTSCHE BANK AG\ * 35,536 10,448 -70.60 113 28 -75.22
2017-05-15 13F-HR STATE STREET CORP * 597,803 550,802 -7.86 1,938 1,509 -22.14
2017-05-15 13F-HR BANK OF AMERICA CORP /DE/ * 29,133 30,856 5.91 94 85 -9.57
2017-05-05 13F-HR TFS CAPITAL LLC * 121,540 71,711 -41.00 394 196 -50.25
2017-05-05 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC * 0 10,852 0 30
2017-05-15 13F-HR Brandywine Global Investment Management, LLC * 17,690 49
2017-05-12 13F-HR NORTHERN TRUST CORP * 468,842 480,238 2.43 1,519 1,316 -13.36
2017-05-15 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE * 24,326 35,662 46.60 79 98 24.05
2017-05-15 13F-HR SPRINGBOK CAPITAL MANAGEMENT, LLC * 16,300 0 -100.00 53 0 -100.00
2017-05-03 13F-HR BNP PARIBAS ARBITRAGE, SA * 4,874 2,289 -53.04 15,792 6,272 -60.28
2017-05-15 13F-HR BALYASNY ASSET MANAGEMENT LLC * 12,700 35
2017-05-12 13F-HR GLOBEFLEX CAPITAL L P * 180 0 -100.00 1 0 -100.00
2017-05-15 13F-HR D. E. Shaw & Co., Inc. * 382,301 349,568 -8.56 1,239 958 -22.68
2017-05-15 13F-HR TUDOR INVESTMENT CORP ET AL * 14,352 14,352 0.00 47 39 -17.02
2017-05-15 13F-HR Invesco Ltd. * 317,235 298,228 -5.99 1,028 817 -20.53
2017-05-10 13F-HR Netols Asset Management, Inc. * 732,780 676,196 -7.72 2,374 1,853 -21.95
2017-02-03 13F-HR Alambic Investment Management, L.P. * 40,206 0 -100.00 76 0 -100.00
2017-05-10 13F-HR AMERICAN INTERNATIONAL GROUP INC * 24,870 26,631 7.08 81 73 -9.88
2017-04-26 13F-HR Russell Investments Group, Ltd. * 404,039 371,851 -7.97 1,261 1,018 -19.27
2017-05-15 13F-HR GUGGENHEIM CAPITAL LLC * 13,816 13,821 0.04 45 38 -15.56
2017-05-11 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC * 171,259 295,575 72.59 555 810 45.95
2016-10-31 13F-HR Spot Trading L.L.C * Call 10,900 0 -100.00 28 0 -100.00
2017-04-26 13F-HR STRS OHIO * 213,500 222,300 4.12 691 609 -11.87
2017-04-21 13F-HR Nationwide Fund Advisors * 39,344 39,344 0.00 127 108 -14.96
2017-05-12 13F-HR SCHNEIDER CAPITAL MANAGEMENT CORP * 2,361,830 2,334,477 -1.16 7,652 6,396 -16.41
2017-05-12 13F-HR BlackRock Inc. * 1,549 2,879,385 185,786.70 5 7,889 157,680.00
2017-04-25 13F-HR ACADIAN ASSET MANAGEMENT LLC * 14,340 121,974 750.59 46 335 628.26
2017-05-09 13F-HR Ameritas Investment Partners, Inc. * 3,370 9
2017-07-12 13F-HR Creative Planning * 2,000 2,000 0.00 5 5 0.00
2017-04-28 13F-HR WELLS FARGO & COMPANY/MN * 29,196 29,196 0.00 95 80 -15.79
2017-02-10 13F-HR BlackRock Investment Management, LLC * 172,230 172,230 0.00 324 558 72.22
2017-05-12 13F-HR Legal & General Group Plc * 8,478 5,701 -32.76 27 16 -40.74
2016-09-12 SC 13D LAWNDALE CAPITAL MANAGEMENT LLC * 3,132,566
2016-11-14 13F-HR PANAGORA ASSET MANAGEMENT INC * 19,730 0 -100.00 50 0 -100.00
2017-05-15 13F-HR Squarepoint Ops LLC * 56,433 38,169 -32.36 183 105 -42.62
2017-04-10 13F-HR QUADRANT CAPITAL GROUP LLC * 3,003 3,003 0.00 9 8 -11.11
2016-11-14 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC * 34,117 0 -100.00 86 0 -100.00
2016-11-10 13F-HR FEDERATED INVESTORS INC /PA/ * 277 0 -100.00 1 0 -100.00
2017-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP * 28,984 0 -100.00 94 0 -100.00
2017-05-15 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC * 69,500 69,500 0.00 226 191 -15.49
2017-05-12 13F-HR MENTA CAPITAL LLC * 87,618 126,584 44.47 284 347 22.18
2017-05-15 13F-HR A.R.T. Advisors, LLC * 24,000 0 -100.00 77 0 -100.00
2017-05-15 13F-HR Fortress Investment Group LLC * 45,350 45,350 0.00 147 124 -15.65
2017-05-01 13F-HR HEARTLAND ADVISORS INC * 4,323,863 4,301,210 -0.52 14,009 11,785 -15.88
2017-05-12 13F-HR GENDELL JEFFREY L * 3,561,472 3,865,981 8.55 11,539 10,593 -8.20
2017-05-12 13F-HR Renaissance Technologies LLC * 678,800 549,200 -19.09 2,199 1,505 -31.56
2017-05-02 13F-HR Bridgecreek Investment Management, LLC * 44,000 44,000 0.00 143 121 -15.38
2017-05-15 13F-HR BARCLAYS PLC * 0 958 0 3
2017-02-14 13F-HR JACOBS LEVY EQUITY MANAGEMENT, INC * 65,388 0 -100.00 123 0 -100.00
2017-05-10 13F-HR JP MORGAN CHASE & CO * 49,084 31,019 -36.80 159 85 -46.54
2016-08-15 13F-HR TWO SIGMA SECURITIES, LLC * 13,794 0 -100.00 29 0 -100.00
2017-02-10 13F-HR BlackRock Institutional Trust Company, N.A. * 1,290,171 1,280,878 -0.72 2,426 4,150 71.06
2017-05-03 13F-HR/A Ausdal Financial Partners, Inc. * 0 11,000 0 30
2017-07-13 13F-HR MEEDER ASSET MANAGEMENT INC * 783 2
2017-05-11 13F-HR TEACHERS ADVISORS INC * 124,138 112,572 -9.32 402 308 -23.38
2017-02-15 13F-HR FIRST WILSHIRE SECURITIES MANAGEMENT INC * 400,781 0 -100.00 753 0 -100.00
2017-05-12 13F-HR DIMENSIONAL FUND ADVISORS LP * 2,124,820 2,264,318 6.57 6,884 6,204 -9.88
2017-05-03 13F-HR Bank of New York Mellon Corp * 165,434 172,234 4.11 536 472 -11.94
2017-05-12 13F-HR VANGUARD GROUP INC * 1,877,284 1,537,477 -18.10 6,083 4,213 -30.74
2017-07-11 13F-HR Cutler Group LP * Call 5,000 1
2017-05-11 13F-HR Royce & Associates LLC * 1,484,909 1,632,409 9.93 4,811 4,473 -7.03
2016-11-07 13F-HR ClariVest Asset Management LLC * 39,095 0 -100.00 99 0 -100.00
2017-05-12 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM * 88,987 86,987 -2.25 288 238 -17.36
2017-02-15 13F-HR GROUP ONE TRADING, L.P. * Call 0 0
2017-02-10 13F-HR BlackRock Fund Advisors * 1,213,306 1,405,287 15.82 2,281 4,553 99.61
2017-05-12 13F-HR CITADEL ADVISORS LLC * 14,067 0 -100.00 46 0 -100.00
2017-05-15 13F-HR PEAK6 Investments, L.P. * Call 13,700 38
2017-05-12 13F-HR AUXIER ASSET MANAGEMENT * 12,175 12,175 0.00 39 33 -15.38
2017-05-12 13F-HR MORGAN STANLEY * 132,464 363
2016-11-10 13F-HR EAM Investors, LLC * 454,029 0 -100.00 1,149 0 -100.00
2017-02-10 13F-HR CITADEL ADVISORS LLC * Call 0 0
2017-05-11 13F-HR CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * 353,900 403,100 13.90 1,147 1,104 -3.75
2017-02-15 13F-HR D.A. DAVIDSON & CO. * 1,000 0 -100.00 1 0 -100.00
2017-05-12 13F-HR KCG HOLDINGS, INC. * 35,227 0 -100.00 114 0 -100.00
2017-01-11 13F-HR SIMPLEX TRADING, LLC * 625 0 -100.00 1 0 -100.00
2016-11-14 13F-HR OXFORD ASSET MANAGEMENT * 0 0
2017-02-14 13F-HR CREDIT SUISSE AG/ * 18,668 17,854 -4.36 35 58 65.71
2017-05-04 13F-HR Teza Capital Management LLC * 14,661 12,868 -12.23 48 35 -27.08
2017-05-05 13F-HR SEI INVESTMENTS CO * 239 56 -76.57 1 0 -100.00
2017-05-15 13F-HR Connor, Clark & Lunn Investment Management Ltd. * 129,900 116,593 -10.24 421 319 -24.23
2017-07-14 SC 13D/A Infrastrux Holdings, Llc * 467,969
2017-05-15 13F-HR NEW YORK STATE COMMON RETIREMENT FUND * 44,600 44,601 0.00 145 122 -15.86
2017-05-12 13F-HR GEODE CAPITAL MANAGEMENT, LLC * 312,743 856

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CUSIP: 969203108