TOWER GROUP INC COM - G8988C105

Detailed investor-level table based on 13F positions.
Early Q2 2014 data: only 21 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q1 2014 · Compare: Q4 2013
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Proxima Capital Management, LLC History Reduced 161,100 18,373 3.46% 2.48% 1 -3,098,900 -95.06% Q1 2014 May 15, 2014
KINGSTOWN CAPITAL MANAGEMENT L.P. History New 4,950,000 13,365 1.67% 2 +4,950,000 New Q1 2014 May 16, 2014
DIMENSIONAL FUND ADVISORS LP History Added to 2,975,543 8,034 0.01% 0.01% 3 +9,817 0.33% Q1 2014 May 14, 2014
PRIVATE MANAGEMENT GROUP INC History Reduced 2,710,437 7,318 0.49% 0.65% 4 -121,555 -4.29% Q1 2014 May 09, 2014
BlackRock Fund Advisors History Added to 2,617,437 7,067 0.0% 0.0% 5 +4,121 0.16% Q1 2014 May 02, 2014
MORGAN STANLEY History Added to 2,127,356 5,744 0.0% 0.0% 6 +1,505,622 242.16% Q1 2014 May 13, 2014
LSV ASSET MANAGEMENT History Reduced 1,856,971 5,013 0.01% 0.01% 7 -4,873 -0.26% Q1 2014 Apr 29, 2014
VANGUARD GROUP INC History Reduced 1,850,837 4,997 0.0% 0.0% 8 -362,649 -16.38% Q1 2014 May 13, 2014
BHR Capital LLC History No change 1,826,862 4,933 0.42% 0.51% 9 0 0.0% Q1 2014 May 15, 2014
OMERS ADMINISTRATION Corp History New 1,608,030 4,342 0.14% 10 +1,608,030 New Q1 2014 May 08, 2014
Luxor Capital Group, LP History No change 1,040,888 2,810 0.06% 0.06% 11 0 0.0% Q1 2014 May 15, 2014
STATE STREET CORP History Reduced 989,885 2,673 0.0% 0.0% 12 -172,865 -14.87% Q1 2014 May 15, 2014
COWEN GROUP, INC. History New 893,100 2,412 0.3% 13 +893,100 New Q1 2014 May 16, 2014
NORTHERN TRUST CORP History Added to 853,454 2,305 0.0% 0.0% 14 +82,263 10.67% Q1 2014 May 14, 2014
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History New 820,708 2,216 0.03% 15 +820,708 New Q1 2014 May 08, 2014
Jefferies Group LLC History New 799,576 2,159 0.02% 16 +799,576 New Q1 2014 May 16, 2014
BlackRock Institutional Trust Company, N.A. History Reduced 708,370 1,913 0.0% 0.0% 17 -54,522 -7.15% Q1 2014 May 02, 2014
BRYN MAWR CAPITAL MANAGEMENT INC History Reduced 655,392 1,770 0.16% 0.19% 18 -197,643 -23.17% Q1 2014 May 15, 2014
Invesco Ltd. History Added to 510,498 1,378 0.0% 0.0% 19 +419,914 463.56% Q1 2014 May 15, 2014
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM History Added to 445,400 1,166 0.0% 0.0% 20 +146,586 49.06% Q1 2014 Apr 18, 2014
Bank of New York Mellon Corp History Reduced 351,567 949 0.0% 0.0% 21 -106,190 -23.2% Q1 2014 May 14, 2014
WOLVERINE ASSET MANAGEMENT LLC History Added to 323,440 873 0.02% 0.0% 22 +304,935 1647.85% Q1 2014 May 14, 2014
RENAISSANCE TECHNOLOGIES LLC History Reduced 314,322 849 0.0% 0.01% 23 -605,734 -65.84% Q1 2014 May 14, 2014
DEUTSCHE BANK AG\ History Reduced 294,766 795 0.0% 0.0% 24 -240,778 -44.96% Q1 2014 May 15, 2014
VTL Associates, LLC History Added to 282,821 764 0.06% 0.05% 25 +111,512 65.09% Q1 2014 May 15, 2014
SCHWAB CHARLES INVESTMENT MANAGEMENT INC History Added to 282,455 763 0.0% 0.0% 26 +80,894 40.13% Q1 2014 Apr 29, 2014
GEODE CAPITAL MANAGEMENT, LLC History Added to 240,326 648 0.0% 0.0% 27 +9,297 4.02% Q1 2014 May 14, 2014
PRINCIPAL FINANCIAL GROUP INC History Added to 236,417 638 0.0% 0.0% 28 +8,515 3.74% Q1 2014 May 13, 2014
BlackRock Investment Management, LLC History Added to 219,972 594 0.0% 0.0% 29 +3,738 1.73% Q1 2014 May 02, 2014
PARAMETRIC PORTFOLIO ASSOCIATES LLC History Reduced 208,377 563 0.0% 0.0% 30 -99,629 -32.35% Q1 2014 May 13, 2014
SPRINGBOK CAPITAL MANAGEMENT, LLC History New 200,900 542 0.07% 31 +200,900 New Q1 2014 May 15, 2014
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 185,598 500 0.0% 0.0% 32 -51,892 -21.85% Q1 2014 May 14, 2014
TIAA CREF INVESTMENT MANAGEMENT LLC History No change 178,348 482 0.0% 0.0% 33 0 0.0% Q1 2014 May 13, 2014
SG Americas Securities, LLC History Added to 175,723 474 0.0% 0.0% 34 +164,799 1508.6% Q1 2014 May 14, 2014
AMERIPRISE FINANCIAL INC History Added to 156,842 423 0.0% 0.0% 35 +2,590 1.68% Q1 2014 May 14, 2014
Absolute Return Capital, LLC History New 135,186 365 0.01% 36 +135,186 New Q1 2014 May 15, 2014
RBF Capital, LLC History Reduced 129,618 350 0.09% 0.21% 37 -128,404 -49.76% Q1 2014 May 13, 2014
JANE STREET GROUP, LLC History New 118,952 321 0.0% 38 +118,952 New Q1 2014 May 15, 2014
GOLDMAN SACHS GROUP INC History Reduced 118,367 320 0.0% 0.0% 39 -315,112 -72.69% Q1 2014 May 15, 2014
BlackRock Group LTD History Added to 105,689 286 0.0% 0.0% 40 +7,473 7.61% Q1 2014 May 02, 2014
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History No change 103,992 281 0.0% 0.0% 41 0 0.0% Q1 2014 May 08, 2014
CREDIT SUISSE AG/ History Reduced 100,749 272 0.0% 0.0% 42 -164,408 -62.0% Q1 2014 May 15, 2014
GROUP ONE TRADING, L.P. History Reduced 96,031 259 0.0% 0.01% 43 -131,877 -57.86% Q1 2014 May 07, 2014
FIRST TRUST ADVISORS LP History Added to 90,735 245 0.0% 0.0% 44 +20,736 29.62% Q1 2014 May 12, 2014
NEW YORK STATE COMMON RETIREMENT FUND History Reduced 90,073 243 0.0% 0.0% 45 -56,300 -38.46% Q1 2014 May 05, 2014
NEW YORK STATE TEACHERS RETIREMENT SYSTEM History No change 88,667 239 0.0% 0.0% 46 0 0.0% Q1 2014 May 21, 2014
PRUDENTIAL FINANCIAL INC History No change 84,765 229 0.0% 0.0% 47 0 0.0% Q1 2014 May 14, 2014
PUBLIC SECTOR PENSION INVESTMENT BOARD History Reduced 78,710 213 0.0% 0.0% 48 -16,300 -17.16% Q1 2014 May 15, 2014
TEACHERS ADVISORS INC History No change 70,579 191 0.0% 0.0% 49 0 0.0% Q1 2014 May 13, 2014
OPPENHEIMER FUNDS INC History New 68,601 185 0.0% 50 +68,601 New Q1 2014 Apr 30, 2014
RHUMBLINE ADVISERS History Reduced 67,596 183 0.0% 0.0% 51 -8,990 -11.74% Q1 2014 May 06, 2014
PRICE T ROWE ASSOCIATES INC /MD/ History Added to 66,525 180 0.0% 0.0% 52 +48,100 261.06% Q1 2014 May 15, 2014
A.R.T. Advisors, LLC History New 63,639 171 0.01% 53 +63,639 New Q1 2014 May 15, 2014
ProShare Advisors LLC History New 58,943 159 0.0% 54 +58,943 New Q1 2014 May 07, 2014
GUGGENHEIM CAPITAL LLC History New 58,287 157 0.0% 56 +58,287 New Q1 2014 May 16, 2014
Swiss National Bank History Added to 58,099 157 0.0% 0.0% 57 +14,600 33.56% Q1 2014 May 06, 2014
Nationwide Fund Advisors History No change 58,224 157 0.0% 0.0% 55 0 0.0% Q1 2014 May 09, 2014
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM History No change 47,142 127 0.0% 0.0% 58 0 0.0% Q1 2014 Apr 24, 2014
Alpine Partners VI, LLC History Reduced 44,397 120 0.1% 0.33% 60 -15,303 -25.63% Q1 2014 May 15, 2014
MANUFACTURERS LIFE INSURANCE COMPANY, THE History Added to 44,408 120 0.0% 0.0% 59 +1,388 3.23% Q1 2014 May 15, 2014
AMERICAN INTERNATIONAL GROUP INC History Added to 43,015 116 0.0% 0.0% 61 +1,113 2.66% Q1 2014 May 12, 2014
State of Tennessee, Treasury Department History No change 41,381 112 0.0% 0.0% 62 0 0.0% Q1 2014 May 30, 2014
COMERICA BANK History Reduced 40,795 110 0.0% 0.0% 63 -1,846 -4.33% Q1 2014 May 15, 2014
TOURADJI CAPITAL MANAGEMENT, LP History New 40,000 108 0.79% 64 +40,000 New Q1 2014 May 05, 2014
Stone Toro Investment Advisers, LP History New 40,000 108 0.15% 65 +40,000 New Q1 2014 Apr 25, 2014
TEXAS PERMANENT SCHOOL FUND History Reduced 39,365 106 0.0% 0.0% 66 -1,723 -4.19% Q1 2014 Apr 22, 2014
TWO SIGMA INVESTMENTS LLC History New 37,729 102 0.0% 68 +37,729 New Q1 2014 May 15, 2014
BLACKROCK ADVISORS LLC History Added to 37,919 102 2.89% 3.56% 67 +1,573 4.33% Q1 2014 Jun 05, 2014
Concept Capital Markets, LLC History New 35,000 95 0.04% 70 +35,000 New Q1 2014 May 13, 2014
First Heartland Consultants, Inc. History No change 35,000 95 0.05% 0.07% 69 0 0.0% Q1 2014 Apr 30, 2014
GABELLI SECURITIES, INC. History New 34,987 94 0.03% 71 +34,987 New Q1 2014 May 16, 2014
BRIGHTON JONES LLC History New 33,644 91 0.02% 72 +33,644 New Q1 2014 May 14, 2014
JPMORGAN CHASE & CO History Reduced 31,915 87 0.0% 0.0% 73 -58,102 -64.55% Q1 2014 May 15, 2014
ING INVESTMENT MANAGEMENT LLC History No change 31,218 84 0.0% 0.0% 74 0 0.0% Q1 2014 May 15, 2014
KCG Holdings, Inc. History Reduced 29,199 78 0.0% 0.0% 75 -729 -2.44% Q1 2014 May 15, 2014
UBS AG History Reduced 27,861 75 0.0% 0.0% 76 -10,594 -27.55% Q1 2014 May 16, 2014
Arizona State Retirement System History Reduced 27,033 72 0.0% 0.0% 77 -3,700 -12.04% Q1 2014 May 19, 2014
CAPSTONE ASSET MANAGEMENT CO History Reduced 24,488 66 0.0% 0.0% 78 -3,330 -11.97% Q1 2014 Apr 22, 2014
CONTINENTAL ADVISORS LLC History Reduced 24,000 65 0.02% 0.18% 79 -217,063 -90.04% Q1 2014 May 15, 2014
CITIGROUP INC History Reduced 20,609 56 0.0% 0.0% 80 -14,430 -41.18% Q1 2014 May 15, 2014
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY History No change 19,769 53 0.0% 0.0% 81 0 0.0% Q1 2014 Apr 15, 2014
BANK OF AMERICA CORP /DE/ History Reduced 18,597 51 0.0% 5.04% 82 -80,284 -81.19% Q1 2014 May 15, 2014
Louisiana State Employees Retirement System History No change 18,100 49 0.0% 0.0% 83 0 0.0% Q1 2014 Apr 29, 2014
SCHRODER INVESTMENT MANAGEMENT GROUP History No change 17,100 46 0.0% 0.0% 84 0 0.0% Q1 2014 May 15, 2014
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC History No change 15,117 41 0.0% 0.0% 85 0 0.0% Q1 2014 May 23, 2014
THRIVENT FINANCIAL FOR LUTHERANS History No change 14,289 39 0.0% 0.0% 86 0 0.0% Q1 2014 May 14, 2014
TUDOR INVESTMENT CORP ET AL History Reduced 14,073 38 0.0% 0.03% 87 -140,912 -90.92% Q1 2014 May 15, 2014
Tower Research Capital LLC History Added to 13,960 38 0.0% 0.0% 88 +5,428 63.62% Q1 2014 May 02, 2014
HOLLENCREST SECURITIES LLC History No change 12,300 33 0.0% 0.01% 89 0 0.0% Q1 2014 May 01, 2014
PROFUND ADVISORS LLC History Reduced 10,625 29 0.0% 0.0% 90 -13,512 -55.98% Q1 2014 May 07, 2014
Veritable, L.P. History New 10,851 29 0.0% 91 +10,851 New Q1 2014 May 15, 2014
Municipal Employees' Retirement System of Michigan History New 9,400 25 0.0% 93 +9,400 New Q1 2014 May 13, 2014
PineBridge Investments Ltd History Reduced 9,291 25 0.0% 0.0% 92 -928 -9.08% Q1 2014 May 14, 2014
ALLIANCEBERNSTEIN L.P. History Reduced 5,706 15 0.0% 0.0% 94 -26,940 -82.52% Q1 2014 May 13, 2014
MASON STREET ADVISORS, LLC History Reduced 4,659 13 0.0% 0.0% 95 -1,553 -25.0% Q1 2014 May 15, 2014
BROWN BROTHERS HARRIMAN & CO History No change 2,266 6 0.0% 0.0% 96 0 0.0% Q1 2014 May 15, 2014
CITADEL ADVISORS LLC History Reduced 2,034 5 0.01% 0.78% 101 -130,011 -98.46% Q1 2014 Aug 08, 2014
LADENBURG THALMANN FINANCIAL SERVICES INC History New 2,000 5 0.0% 99 +2,000 New Q1 2014 May 15, 2014
BARCLAYS PLC History Added to 2,350 5 0.0% 0.0% 97 +979 71.41% Q1 2014 May 15, 2014
TEACHER RETIREMENT SYSTEM OF TEXAS History Reduced 2,012 5 0.0% 0.0% 98 -24 -1.18% Q1 2014 May 01, 2014
BlackRock Inc. History No change 1,929 5 0.0% 0.02% 100 0 0.0% Q1 2014 May 02, 2014
Warren Averett Asset Management, LLC History No change 960 3 0.0% 0.0% 102 0 0.0% Q1 2014 Apr 28, 2014
US BANCORP \DE\ History No change 1,048 2 0.0% 0.0% 103 0 0.0% Q1 2014 May 14, 2014
PNC FINANCIAL SERVICES GROUP, INC. History No change 452 2 0.0% 0.0% 104 0 0.0% Q1 2014 May 09, 2014
Hoxton Financial, Inc. History No change 226 1 0.0% 0.0% 105 0 0.0% Q1 2014 Apr 25, 2014
Empyrean Capital Partners, LP History Closed out 0 0 0.26% -2,195,900 -100.0% Q4 2013 Feb 13, 2014
Roumell Asset Management, LLC History Closed out 0 0 3.65% -1,729,430 -100.0% Q4 2013 Feb 14, 2014
Kerrisdale Advisers, LLC History Closed out 0 0 1.31% -919,842 -100.0% Q4 2013 Feb 14, 2014
TFS CAPITAL LLC History Closed out 0 0 0.14% -902,651 -100.0% Q4 2013 Feb 07, 2014
ROYCE & ASSOCIATES LLC History Closed out 0 0 0.01% -749,500 -100.0% Q4 2013 Feb 10, 2014
NEW GENERATION ADVISORS LLC History Closed out 0 0 0.72% -732,000 -100.0% Q4 2013 Feb 11, 2014
THOMPSON SIEGEL & WALMSLEY LLC History Closed out 0 0 0.06% -727,671 -100.0% Q4 2013 Feb 06, 2014
NORGES BANK History Closed out 0 0 0.0% -541,337 -100.0% Q4 2013 May 12, 2014
LOMBARDIA CAPITAL PARTNERS LLC History Closed out 0 0 0.05% -506,522 -100.0% Q4 2013 Jan 24, 2014
Harvest Capital Strategies LLC History Closed out 0 0 0.17% -429,065 -100.0% Q4 2013 Feb 14, 2014
STEADFAST CAPITAL MANAGEMENT LP History Closed out 0 0 0.02% -290,903 -100.0% Q4 2013 Feb 14, 2014
Nantahala Capital Management, LLC History Closed out 0 0 0.11% -200,000 -100.0% Q4 2013 Feb 14, 2014
40 North Management LLC History Closed out 0 0 0.04% -167,144 -100.0% Q4 2013 Feb 14, 2014
BATTERYMARCH FINANCIAL MANAGEMENT INC History Closed out 0 0 0.01% -134,380 -100.0% Q4 2013 Feb 14, 2014
MUTUAL OF AMERICA CAPITAL MANAGEMENT CORP History Closed out 0 0 0.01% -109,911 -100.0% Q4 2013 Feb 05, 2014
D. E. Shaw & Co., Inc. History Closed out 0 0 0.0% -97,560 -100.0% Q4 2013 Feb 14, 2014
EDELMAN FINANCIAL GROUP INC. History Closed out 0 0 0.04% -96,000 -100.0% Q4 2013 Feb 12, 2014
HSBC HOLDINGS PLC History Closed out 0 0 0.0% -82,949 -100.0% Q4 2013 Feb 14, 2014
BLACKTHORN INVESTMENT GROUP LLC History Closed out 0 0 0.1% -82,131 -100.0% Q4 2013 Jan 09, 2014
CROFT-LEOMINSTER INC History Closed out 0 0 0.03% -57,000 -100.0% Q4 2013 Feb 12, 2014
PEAK6 Investments, L.P. History Closed out 0 0 0.0% -45,256 -100.0% Q4 2013 Feb 13, 2014
Eidelman Virant Capital History Closed out 0 0 0.06% -41,580 -100.0% Q4 2013 Jan 21, 2014
GSA CAPITAL PARTNERS LLP History Closed out 0 0 0.01% -37,867 -100.0% Q4 2013 Feb 12, 2014
Tradeworx Inc. History Closed out 0 0 0.05% -30,645 -100.0% Q4 2013 Feb 18, 2014
Weiss Multi-Strategy Advisers LLC History Closed out 0 0 0.0% -24,155 -100.0% Q4 2013 Feb 14, 2014
Quantitative Systematic Strategies LLC History Closed out 0 0 0.05% -20,114 -100.0% Q4 2013 Feb 18, 2014
Hillsdale Investment Management Inc. History Closed out 0 0 0.02% -19,900 -100.0% Q4 2013 Feb 13, 2014
SEIZERT CAPITAL PARTNERS, LLC History Closed out 0 0 0.0% -18,000 -100.0% Q4 2013 Feb 04, 2014
STEADFAST ADVISORS LP History Closed out 0 0 0.02% -14,097 -100.0% Q4 2013 Feb 14, 2014
Verition Fund Management LLC History Closed out 0 0 0.01% -12,351 -100.0% Q4 2013 Feb 14, 2014
CREDIT AGRICOLE S A History Closed out 0 0 0.0% -6,079 -100.0% Q4 2013 Feb 11, 2014
ROYAL BANK OF CANADA History Closed out 0 0 0.0% -5,515 -100.0% Q4 2013 Feb 14, 2014
BNP PARIBAS ARBITRAGE, SA History New 224 0 +224 New Q1 2014 May 13, 2014
WELLS FARGO & COMPANY/MN History Reduced 125 0 0.0% -183 -59.42% Q1 2014 May 15, 2014
NORDEA INVESTMENT MANAGEMENT AB History Added to 10 0 +5 100.0% Q1 2014 Apr 22, 2014