Institutional and Fund Ownership

SecurityWG / Willbros Group, Inc.
President & CEOFournier Michael J
Institutional Owners82
Institutional Shares35,273,671
Outstanding Shares62,170,910 (as of 2017-06-30)

Willbros Group, Inc. (NYSE:WG) has 82 institutional investors that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 35,273,671 shares. Major holders include Kohlberg Kravis Roberts & Co. L.P., Heartland Advisors Inc, Gendell Jeffrey L, BlackRock Inc., and Dimensional Fund Advisors Lp.


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. Click an asterisk (*) to see the full transaction history.

File DateFormInvestor Opt Prev Shares Current Shares Change
(Percent)
Prev Value (x$1000) Current Value (x$1000) Change
(Percent)
2017-07-14 SC 13D/A Infrastrux Holdings, Llc * 467,969
2017-08-11 13F-HR Renaissance Technologies LLC * 549,200 469,900 -14.44 1,505 1,161 -22.86
2017-08-11 13F-HR Ausdal Financial Partners, Inc. * 11,000 17,000 54.55 30 42 40.00
2017-08-11 13F-HR CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * 403,100 391,400 -2.90 1,104 967 -12.41
2017-08-07 13F-HR Royce & Associates LLC * 1,632,409 1,737,409 6.43 4,473 4,291 -4.07
2017-08-09 13F-HR JP MORGAN CHASE & CO * 31,019 3,983 -87.16 85 10 -88.24
2017-08-11 13F-HR Acrospire Investment Management LLC * 619 7,660 1,137.48 2 19 850.00
2017-07-20 13F-HR PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. * 0 207,852 0 513
2017-08-11 13F-HR AMERICAN INTERNATIONAL GROUP INC * 26,631 27,195 2.12 73 67 -8.22
2017-07-12 13F-HR Creative Planning * 2,000 2,000 0.00 5 5 0.00
2017-08-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP * Call 40,300 100
2017-08-15 13F-HR Ameritas Investment Partners, Inc. * 3,370 3,370 0.00 9 8 -11.11
2017-08-14 13F-HR BRIDGEWAY CAPITAL MANAGEMENT INC * 626,609 626,609 0.00 1,717 1,548 -9.84
2017-08-14 13F-HR STATE STREET CORP * 550,802 585,889 6.37 1,509 1,447 -4.11
2017-08-14 13F-HR Kohlberg Kravis Roberts & Co. L.P. * 0 10,125,410 0 25,010
2017-08-14 13F-HR PANAGORA ASSET MANAGEMENT INC * 0 1,727 0 4
2017-08-14 13F-HR Walleye Trading LLC * 3,900 0 -100.00 11 0 -100.00
2017-08-14 13F-HR Voya Investment Management LLC * 19,218 27,811 44.71 53 69 30.19
2017-07-11 13F-HR Cutler Group LP * Call 7,500 5,000 -33.33 1 1 0.00
2017-08-14 13F-HR Squarepoint Ops LLC * 38,169 0 -100.00 105 0 -100.00
2017-08-14 13F-HR D. E. Shaw & Co., Inc. * 349,568 396,555 13.44 958 979 2.19
2017-08-11 13F-HR NORTHERN TRUST CORP * 480,238 499,507 4.01 1,316 1,234 -6.23
2017-08-10 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC * 295,575 351,611 18.96 810 868 7.16
2017-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP * 28,984 0 -100.00 94 0 -100.00
2017-08-14 13F-HR Invesco Ltd. * 298,228 173,674 -41.76 817 429 -47.49
2017-08-11 13F-HR DIMENSIONAL FUND ADVISORS LP * 2,264,318 2,455,337 8.44 6,204 6,065 -2.24
2017-08-11 13F-HR TFS CAPITAL LLC * 71,711 112,013 56.20 196 277 41.33
2017-08-11 13F-HR KCG HOLDINGS, INC. * 0 12,779 0 32
2017-08-14 13F-HR UBS Group AG * 1,424 1,000 -29.78 4 2 -50.00
2017-08-14 13F-HR CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. * 3,700 0 -100.00 10 0 -100.00
2017-07-18 13F-HR NISA INVESTMENT ADVISORS L.L.C. * 800 3,750 368.75 2 9 350.00
2017-08-14 13F-HR PEAK6 Investments, L.P. * Call 33,600 83
2017-05-15 13F-HR A.R.T. Advisors, LLC * 24,000 0 -100.00 77 0 -100.00
2017-07-31 13F-HR SEI INVESTMENTS CO * 56 0 -100.00 0 0
2017-08-14 13F-HR BALYASNY ASSET MANAGEMENT LLC * 12,700 0 -100.00 35 0 -100.00
2017-08-11 13F-HR NEW YORK STATE COMMON RETIREMENT FUND * 44,601 44,600 -0.00 122 110 -9.84
2017-08-11 13F-HR GENDELL JEFFREY L * 3,865,981 4,130,668 6.85 10,593 10,203 -3.68
2017-08-11 13F-HR COLUMBIA PARTNERS L L C INVESTMENT MANAGEMENT * 32,376 32,376 0.00 88 79 -10.23
2017-08-14 13F-HR Teza Capital Management LLC * 12,868 0 -100.00 35 0
2017-08-14 13F-HR Tower Research Capital LLC (TRC) * 2,561 5,563 117.22 7 14 100.00
2017-08-14 13F-HR/A-1 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC * 144,211 356
2017-08-07 13F-HR Cutter & CO Brokerage, Inc. * 101,000 101,000 0.00 277 249 -10.11
2017-08-14 13F-HR MILLENNIUM MANAGEMENT LLC * 59,695 51,145 -14.32 164 126 -23.17
2017-08-15 13F-HR Raymond James Financial Services Advisors, Inc. * 13,194 33
2017-08-02 13F-HR RHUMBLINE ADVISERS * 45,010 49,560 10.11 123 122 -0.81
2017-08-03 13F-HR BNP PARIBAS ARBITRAGE, SA * 2,289 8,022 250.46 6,272 19,814 215.91
2017-07-12 13F-HR SIMPLEX TRADING, LLC * Call 39 0
2017-08-14 13F-HR BOKF, NA * 36,410 36,410 0.00 100 90 -10.00
2017-08-14 13F-HR GOLDMAN SACHS GROUP INC * 28,676 24,977 -12.90 79 62 -21.52
2017-08-11 13F-HR DEUTSCHE BANK AG\ * 10,448 46,255 342.72 28 113 303.57
2017-08-11 13F-HR MORGAN STANLEY * 132,464 110,451 -16.62 363 273 -24.79
2017-07-25 13F-HR ACADIAN ASSET MANAGEMENT LLC * 121,974 39,778 -67.39 335 98 -70.75
2017-08-14 13F-HR Brandywine Global Investment Management, LLC * 17,690 33,937 91.84 49 84 71.43
2017-07-13 13F-HR MEEDER ASSET MANAGEMENT INC * 783 2
2017-08-14 13F-HR TUDOR INVESTMENT CORP ET AL * 14,352 14,352 0.00 39 35 -10.26
2017-08-14 13F-HR CREDIT SUISSE AG/ * 17,854 12,879 -27.86 58 32 -44.83
2017-07-25 13F-HR Russell Investments Group, Ltd. * 371,851 236,977 -36.27 1,018 585 -42.53
2017-08-14 13F-HR QUADRANT CAPITAL GROUP LLC * 3,003 3,003 0.00 8 7 -12.50
2017-08-03 13F-HR SG Americas Securities, LLC * 32,198 35,636 10.68 88 88 0.00
2017-08-14 13F-HR GUGGENHEIM CAPITAL LLC * 13,821 13,753 -0.49 38 34 -10.53
2017-08-10 13F-HR TEACHERS ADVISORS INC * 112,572 112,572 0.00 308 278 -9.74
2017-08-03 13F-HR Bank of New York Mellon Corp * 172,234 191,712 11.31 472 473 0.21
2017-08-14 13F-HR GROUP ONE TRADING, L.P. * Call 1,600 4
2017-08-14 13F-HR GEODE CAPITAL MANAGEMENT, LLC * 312,743 316,187 1.10 856 780 -8.88
2017-08-01 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC * 69,500 69,500 0.00 191 172 -9.95
2017-08-11 13F-HR MENTA CAPITAL LLC * 126,584 133,984 5.85 347 331 -4.61
2017-08-14 13F-HR ROYAL BANK OF CANADA * 7,211 3,058 -57.59 19 7 -63.16
2017-08-24 13F-HR/A-1 VANGUARD GROUP INC * 1,537,477 1,746,918 13.62 4,213 4,315 2.42
2017-07-21 13F-HR HUNTINGTON NATIONAL BANK * 2,446 2,446 0.00 7 6 -14.29
2017-08-10 13F-HR WELLS FARGO & COMPANY/MN * 29,196 29,095 -0.35 80 72 -10.00
2017-05-10 13F-HR GROUP ONE TRADING, L.P. * 300 0 -100.00 1 0 -100.00
2017-08-15 13F-HR/A-2 SCHNEIDER CAPITAL MANAGEMENT CORP * 2,334,477 0 -100.00 6,396 0 -100.00
2017-05-05 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC * 0 10,852 0 30
2017-08-10 13F-HR BlackRock Inc. * 2,879,385 3,004,577 4.35 7,889 7,420 -5.94
2017-05-12 13F-HR CITADEL ADVISORS LLC * 14,067 0 -100.00 46 0 -100.00
2017-08-11 13F-HR CITADEL ADVISORS LLC * Call 0 18,300 0 45
2017-07-26 13F-HR STRS OHIO * 222,300 222,300 0.00 609 549 -9.85
2017-08-11 13F-HR Mariner Wealth Advisors, LLC * 119,865 119,865 0.00 328 296 -9.76
2017-08-15 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE * 35,662 1,871 -94.75 98 5 -94.90
2017-08-11 13F-HR CITIGROUP INC * 3,271 751 -77.04 9 2 -77.78
2017-05-15 13F-HR SPRINGBOK CAPITAL MANAGEMENT, LLC * 16,300 0 -100.00 53 0 -100.00
2017-08-15 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM * 86,987 77,687 -10.69 238 192 -19.33
2017-08-14 13F-HR BANK OF AMERICA CORP /DE/ * 30,856 23,704 -23.18 85 58 -31.76
2017-08-10 13F-HR Nationwide Fund Advisors * 39,344 39,344 0.00 108 97 -10.19
2017-08-14 13F-HR BARCLAYS PLC * 958 633 -33.92 3 1 -66.67
2017-05-12 13F-HR GLOBEFLEX CAPITAL L P * 180 0 -100.00 1 0 -100.00
2017-08-14 13F-HR PEAK6 Investments, L.P. * Put 18,300 45
2017-08-11 13F-HR Oppenheimer & Close, LLC * 15,000 15,000 0.00 41 37 -9.76
2017-08-14 13F-HR Connor, Clark & Lunn Investment Management Ltd. * 116,593 54,335 -53.40 319 134 -57.99
2017-08-08 13F-HR PRINCIPAL FINANCIAL GROUP INC * 0 10,120 0 25
2017-05-10 13F-HR Netols Asset Management, Inc. * 732,780 676,196 -7.72 2,374 1,853 -21.95
2017-08-08 13F-HR HEARTLAND ADVISORS INC * 4,301,210 4,400,443 2.31 11,785 10,869 -7.77
2017-08-14 13F-HR Bridgecreek Investment Management, LLC * 44,000 44,000 0.00 121 109 -9.92
2017-08-14 13F-HR Fortress Investment Group LLC * 45,350 45,350 0.00 124 112 -9.68
2017-08-16 13F-HR AUXIER ASSET MANAGEMENT * 12,175 11,655 -4.27 33 29 -12.12
2017-08-03 13F-HR Legal & General Group Plc * 5,701 5,701 0.00 16 14 -12.50
2017-07-11 13F-HR Cutler Group LP * 0 4,875 0 12
CUSIP: 969203108