SecurityQTM / Quantum Corp. (747906204)
President and CEOLerner James J
IndustryComputer Storage Devices
Institutional Owners94
Institutional Shares36,090,579 - 105.86%
Institutional Value$ 123,931,000 USD
Related 747906AG0 / Quantum Corp. Bond
747906AJ4 / Quantum Corp. Bond 4.5% Due 11/15/2017

Institutional Stock Ownership and Shareholders()

QTM / Quantum Corp. Institutional Ownership

Quantum Corp. (NYSE:QTM) has 94 institutional investors and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 36,090,579 shares. Largest shareholders include BlackRock Institutional Trust Company, N.A., Central Square Management LLC, VIEX Capital Advisors, LLC, Park West Asset Management LLC, Portolan Capital Management, LLC, BlackRock Inc., Dialectic Capital Management, Lp, Vanguard Group Inc, Alta Fundamental Advisers LLC, and Credit Suisse Ag/.
Quantum Corp. (NYSE:QTM) ownership structure shows current positions in the company by institutions and funds, as well as latest changes in position size. Major shareholders 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 the link icon to see the full transaction history.

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File DateFormInvestor Opt Prev
Shares
Current
Shares
Change
(Percent)
Prev Value
($1000)
Current Value
($1000)
Change
(Percent)
2016-11-14 13F-HR Central Square Management LLC 5,362,614 3,885,364 -27.55 2,252 2,860 27.00
2018-05-08 13F-HR KING LUTHER CAPITAL MANAGEMENT CORP 11,875 0 -100.00 67 0 -100.00
2018-05-15 13F-HR WOLVERINE TRADING, LLC Call 14,000 16,300 16.43 79 59 -25.32
2018-05-07 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC 128,307 166,688 29.91 723 607 -16.04
2018-05-16 13F-HR/A GROUP ONE TRADING, L.P. 6,042 21,242 251.57 34 77 126.47
2018-05-10 13F-HR NEW YORK STATE COMMON RETIREMENT FUND 29,800 29,800 0.00 168 108 -35.71
2018-05-11 13F-HR DIMENSIONAL FUND ADVISORS LP 248,702 70,936 -71.48 1,400 258 -81.57
2018-07-20 13F-HR WHITTIER TRUST CO 3,750 4,614 23.04 14 6 -57.14
2018-05-14 13F-HR/A CITADEL ADVISORS LLC 31,278 62,941 101.23 176 229 30.11
2018-04-23 13F-HR Sterling Investment Advisors, Ltd. 56,000 71,000 26.79 4 4 0.00
2018-05-09 13F-HR BlackRock Inc. 1,823,658 1,823,364 -0.02 10,267 6,637 -35.36
2018-05-15 13F-HR JACOBS LEVY EQUITY MANAGEMENT, INC 141,881 175,581 23.75 799 639 -20.03
2018-05-14 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC 72,592 83,827 15.48 409 305 -25.43
2018-04-20 13F-HR Seacrest Wealth Management, Llc 99 99 0.00 1 0 -100.00
2018-05-14 13F-HR Bayesian Capital Management, LP 0 12,400 0 45
2018-05-14 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC 61,730 61,711 -0.03 348 225 -35.34
2017-08-14 13F-HR Breithorn Capital Management 3,763,749 368,167 -90.22 3,274 2,875 -12.19
2018-05-15 13F-HR MENTA CAPITAL LLC 34,992 39,692 13.43 197 144 -26.90
2018-05-15 13F-HR STATE STREET CORP 443,850 430,365 -3.04 2,497 1,565 -37.32
2018-05-15 13F-HR Fondren Management LP 225,000 150,000 -33.33 1,267 546 -56.91
2018-05-15 13F-HR Cubist Systematic Strategies, LLC 43,553 34,251 -21.36 245 125 -48.98
2018-05-15 13F-HR Park West Asset Management LLC 2,375,000 3,405,138 43.37 13,371 12,395 -7.30
2018-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Call 30,200 29,800 -1.32 170 108 -36.47
2017-02-10 13F-HR BlackRock Fund Advisors 54,217 69,337 27.89 40 58 45.00
2018-05-17 13F-HR Legal & General Group Plc 4,161 4,161 0.00 23 15 -34.78
2018-05-02 13F-HR DUPONT CAPITAL MANAGEMENT Corp 159,005 0 -100.00 895 0 -100.00
2018-04-26 13F-HR SIMPLEX TRADING, LLC 22,356 8,331 -62.73 125 30 -76.00
2017-02-10 13F-HR BlackRock Group LTD 376,208 376,208 0.00 277 313 13.00
2017-01-13 13F-HR MetLife Securities, Inc 100 100 0.00 0 0
2018-05-15 13F-HR VANGUARD GROUP INC 1,197,326 1,352,046 12.92 6,741 4,921 -27.00
2018-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Put 0 22,100 0 80
2018-05-03 13F-HR AMERICAN CENTURY COMPANIES INC 90,426 0 -100.00 509 0 -100.00
2018-05-09 13F-HR NORTHERN TRUST CORP 312,719 312,458 -0.08 1,761 1,138 -35.38
2018-05-02 13F-HR NJ State Employees Deferred Compensation Plan 110,000 400
2018-05-14 13F-HR Perigon Wealth Management, LLC 3 3 0.00 0 0
2018-05-14 13F-HR PRICE T ROWE ASSOCIATES INC /MD/ 34,779 34,834 0.16 196 127 -35.20
2018-05-07 13F-HR AMERICAN INTERNATIONAL GROUP INC 19,165 18,186 -5.11 108 66 -38.89
2018-05-15 13F-HR CREDIT SUISSE AG/ 0 1,260,243 0 4,587
2018-05-15 13F-HR VIEX Capital Advisors, LLC 3,691,464 3,691,464 0.00 20,783 13,437 -35.35
2018-05-15 13F-HR Bank of New York Mellon Corp 141,284 145,039 2.66 796 528 -33.67
2018-05-15 13F-HR D. E. Shaw & Co., Inc. 315,954 350,852 11.05 1,779 1,277 -28.22
2018-07-17 13F-HR PenderFund Capital Management Ltd. 585,749 556,049 -5.07 2,361,000 1,341 -99.94
2018-05-15 13F-HR WOLVERINE TRADING, LLC 34,513 12,688 -63.24 194 46 -76.29
2018-05-14 13F-HR Stone Ridge Asset Management LLC 20,373 20,373 0.00 115 74 -35.65
2018-05-15 13F-HR Walleye Trading LLC 56,142 40,842 -27.25 316 149 -52.85
2018-05-15 13F-HR LADENBURG THALMANN FINANCIAL SERVICES INC 1,662 1,662 0.00 9 6 -33.33
2018-05-03 13F-HR MACKAY SHIELDS LLC 13,500 49
2018-05-14 13F-HR ALLIANCEBERNSTEIN L.P. 24,290 24,290 0.00 137 88 -35.77
2018-05-08 13F-HR US BANCORP \DE\ 125 0 -100.00 1 0 -100.00
2018-05-11 13F-HR SEI INVESTMENTS CO 2,983 2,934 -1.64 17 11 -35.29
2018-05-14 13F-HR Renaissance Technologies LLC 747,771 327,571 -56.19 4,210 1,192 -71.69
2018-05-14 13F-HR AMERIPRISE FINANCIAL INC 106,026 106,014 -0.01 597 386 -35.34
2018-05-14 13F-HR TEACHERS ADVISORS INC 50,076 50,076 0.00 282 182 -35.46
2018-05-11 13F-HR MACQUARIE GROUP LTD 15,928 0 -100.00 90 0 -100.00
2018-05-15 13F-HR GOLDMAN SACHS GROUP INC 94,980 57,505 -39.46 535 209 -60.93
2018-05-15 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP 83,836 0 -100.00 472 0 -100.00
2018-05-11 13F-HR Russell Investments Group, Ltd. 92,521 92,521 0.00 521 337 -35.32
2018-05-14 13F-HR MORGAN STANLEY 270,961 180,062 -33.55 1,526 656 -57.01
2018-05-11 13F-HR OPPENHEIMER FUNDS INC 50,498 0 -100.00 284 0 -100.00
2018-05-10 13F-HR CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 83,162 104,188 25.28 468 379 -19.02
2018-05-15 13F-HR BANK OF AMERICA CORP /DE/ 11,897 10,148 -14.70 66 37 -43.94
2018-05-10 13F-HR Stratos Wealth Partners, LTD. 20 20 0.00 0 0
2018-05-15 13F-HR AQR CAPITAL MANAGEMENT LLC 464,613 459,531 -1.09 2,616 1,673 -36.05
2018-05-11 13F-HR CITADEL ADVISORS LLC 62,941 229
2018-05-15 13F-HR BARCLAYS PLC 4,513 8,135 80.26 25 29 16.00
2018-05-15 13F-HR Parallax Volatility Advisers, L.P. 4,284 0 -100.00 24 0 -100.00
2018-05-03 13F-HR Trexquant Investment LP 10,168 0 -100.00 57 0 -100.00
2018-05-14 13F-HR/A CITADEL ADVISORS LLC Put 19,900 72
2018-05-15 13F-HR Highlander Capital Management, LLC 25 0 -100.00 0 0
2018-05-10 13F-HR Spark Investment Management LLC 0 36,500 0 132
2018-05-15 13F-HR Advisor Group, Inc. 7 0 -100.00 0 0
2018-05-03 13F-HR BRONFMAN E.L. ROTHSCHILD, L.P. 7,776 4,198 -46.01 44 15 -65.91
2018-05-15 13F-HR Ameritas Investment Partners, Inc. 2,457 2,457 0.00 14 9 -35.71
2018-05-14 13F-HR Private Capital Management, LLC 408,709 0 -100.00 2,301 0 -100.00
2018-05-11 13F-HR CITIGROUP INC 19,815 5,893 -70.26 111 22 -80.18
2017-02-10 13F-HR BlackRock Institutional Trust Company, N.A. 5,048,476 5,045,413 -0.06 3,717 4,198 12.94
2018-05-15 13F-HR A.R.T. Advisors, LLC 0 52,695 0 191
2018-05-15 13F-HR Invesco Ltd. 10,538 134,588 1,177.17 59 491 732.20
2018-05-11 13F-HR GSA CAPITAL PARTNERS LLP 63,317 101,505 60.31 356 369 3.65
2018-05-15 13F-HR Tower Research Capital LLC (TRC) 11,463 3,425 -70.12 65 12 -81.54
2018-04-20 13F-HR STRS OHIO 12,200 0 -100.00 68 0 -100.00
2018-05-11 13F-HR BNP PARIBAS ARBITRAGE, SA 8,811 6,641 -24.63 49,606 24,173 -51.27
2017-05-11 13F-HR DIALECTIC CAPITAL MANAGEMENT, LP 1,000,000 1,558,235 55.82 832 1,356 62.98
2018-05-15 13F-HR GOLDMAN SACHS GROUP INC Call 2,000 0 -100.00 11 0 -100.00
2018-05-15 13F-HR GEODE CAPITAL MANAGEMENT, LLC 247,632 249,813 0.88 1,394 909 -34.79
2018-05-15 13F-HR BRIDGEWAY CAPITAL MANAGEMENT INC 158,550 158,550 0.00 893 577 -35.39
2018-05-15 13F-HR TWO SIGMA INVESTMENTS LLC 103,632 0 -100.00 583 0 -100.00
2018-05-11 13F-HR Pacific Ridge Capital Partners, LLC 882,753 888,033 0.60 4,970 3,232 -34.97
2018-05-09 13F-HR SYSTEMATIC FINANCIAL MANAGEMENT LP 238,280 273,340 14.71 1,342 995 -25.86
2018-04-12 13F-HR Integrated Investment Consultants, LLC 62 1,062 1,612.90 0 4
2018-05-09 13F-HR Cambridge Investment Research Advisors, Inc. 10,083 0 -100.00 57 0 -100.00
2018-05-08 13F-HR Neuberger Berman Group LLC 664,382 648,017 -2.46 3,740 2,359 -36.93
2018-05-15 13F-HR PDT Partners, LLC 193,100 114,100 -40.91 1,087 415 -61.82
2018-05-14 13F-HR Axa 181,600 181,600 0.00 1,022 661 -35.32
2018-05-02 13F-HR WELLS FARGO & COMPANY/MN 1,239,536 1,156,696 -6.68 6,979 4,209 -39.69
2018-05-15 13F-HR/A Millrace Asset Group, Inc. 130,695 0 -100.00 736 0 -100.00
2018-05-14 13F-HR Portolan Capital Management, LLC 1,098,137 2,680,631 144.11 6,183 9,757 57.80
2018-05-15 13F-HR Voya Investment Management LLC 12,969 12,969 0.00 73 47 -35.62
2017-02-10 13F-HR BlackRock Advisors LLC 418,023 404,405 -3.26 308 337 9.42
2018-05-14 13F-HR BOOTHBAY FUND MANAGEMENT, LLC 62,021 0 -100.00 349 0 -100.00
2018-05-14 13F-HR FULLER & THALER ASSET MANAGEMENT, INC. 395,483 0 -100.00 2,227 0 -100.00
2018-04-26 13F-HR SIMPLEX TRADING, LLC Call 130 14 -89.23 0 0
2018-05-11 13F-HR Quantbot Technologies LP 1,800 0 -100.00 10 0 -100.00
2018-05-15 13F-HR Marino, Stram & Associates Llc 275 275 0.00 2 1 -50.00
2018-05-14 13F-HR Virtu Financial LLC 0 20,564 0 75
2018-05-11 13F-HR CITADEL ADVISORS LLC Put 19,900 72
2018-05-15 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC 51,360 0 -100.00 290 0 -100.00
2018-05-15 13F-HR DEUTSCHE BANK AG\ 90,689 38,546 -57.50 509 140 -72.50
2018-05-15 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE 23,894 1,469 -93.85 134 5 -96.27
2018-05-15 13F-HR BALYASNY ASSET MANAGEMENT LLC 0 18,698 0 68
2018-05-15 13F-HR WOLVERINE TRADING, LLC Put 19,600 32,900 67.86 110 120 9.09
2018-05-18 13F-HR/A ROYAL BANK OF CANADA 5,019 44,289 782.43 29 161 455.17
2018-05-14 13F-HR TOCQUEVILLE ASSET MANAGEMENT L.P. 17,312 0 -100.00 97 0 -100.00
2018-05-14 13F-HR Alta Fundamental Advisers LLC 1,273,334 1,273,334 0.00 7,168 4,635 -35.34
2018-05-15 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 45,402 43,964 -3.17 256 160 -37.50
2018-05-02 13F-HR RHUMBLINE ADVISERS 25,938 25,466 -1.82 146 93 -36.30
2018-05-15 13F-HR SPRINGBOK CAPITAL MANAGEMENT, LLC 7,459 0 -100.00 42 0 -100.00
2018-05-15 13F-HR TWO SIGMA ADVISERS, LP 98,004 72,204 -26.33 552 263 -52.36
2018-05-15 13F-HR UBS Group AG 8,909 2,617 -70.63 50 10 -80.00
2018-05-10 13F-HR JP Morgan Chase & Co 8,224 10,562 28.43 47 39 -17.02
2018-05-15 13F-HR Bluefin Trading, LLC 58,662 50,422 -14.05 330 184 -44.24
2017-02-10 13F-HR BlackRock Japan Co. Ltd 5,289 4,933 -6.73 4 4 0.00
2018-05-03 13F-HR MEEDER ASSET MANAGEMENT INC 1,223 916 -25.10 7 3 -57.14
2018-07-10 13F-HR First PREMIER Bank 62 62 0.00 0 0
2018-05-14 13F-HR S Squared Technology, LLC 394,627 0 -100.00 2,222 0 -100.00

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CUSIP: 747906204