HoldingsChannel.com
| Filer | 9/30/2019 Share Count | 12/31/2019 Share Count | Change | % Change |
|---|---|---|---|---|
| 13F Filers Increasing MDCO Share Count | ||||
| Marshall Wace North America L.P. | 4,165 | 661,541 | +657,376 | +15783.34% |
| Royal Bank of Canada | 1,414 | 178,062 | +176,648 | +12492.79% |
| Credit Suisse AG | 63,550 | 2,884,978 | +2,821,428 | +4439.70% |
| SG Americas Securities LLC | 10,178 | 435,741 | +425,563 | +4181.20% |
| Susquehanna International Group LLP | 41,753 | 1,082,774 | +1,041,021 | +2493.28% |
| Walleye Trading LLC | 14,907 | 350,318 | +335,411 | +2250.02% |
| Prelude Capital Management LLC | 7,946 | 139,534 | +131,588 | +1656.03% |
| D. E. Shaw & Co. Inc. | 8,265 | 85,466 | +77,201 | +934.07% |
| Citigroup Inc. | 266,614 | 2,541,983 | +2,275,369 | +853.43% |
| BNP Paribas Arbitrage SA | 13,386 | 117,451 | +104,065 | +777.42% |
| Allianz Asset Management GmbH | 48,529 | 372,944 | +324,415 | +668.50% |
| Two Sigma Advisers LP | 53,301 | 211,301 | +158,000 | +296.43% |
| Millennium Management LLC | 339,317 | 1,291,001 | +951,684 | +280.47% |
| Virtu Financial LLC | 6,754 | 25,249 | +18,495 | +273.84% |
| Morgan Stanley | 301,024 | 1,057,383 | +756,359 | +251.26% |
| Wolverine Trading LLC | 19,468 | 50,660 | +31,192 | +160.22% |
| UBS Group AG | 523,199 | 1,277,342 | +754,143 | +144.14% |
| Nomura Holdings Inc. | 55,000 | 129,170 | +74,170 | +134.85% |
| Driehaus Capital Management LLC | 36,801 | 81,000 | +44,199 | +120.10% |
| Schonfeld Strategic Advisors LLC | 5,100 | 11,191 | +6,091 | +119.43% |
| Wells Fargo & Company MN | 597,002 | 1,301,226 | +704,224 | +117.96% |
| Barclays PLC | 174,529 | 325,106 | +150,577 | +86.28% |
| First Trust Advisors LP | 47,002 | 87,442 | +40,440 | +86.04% |
| Nisa Investment Advisors LLC | 2,900 | 5,330 | +2,430 | +83.79% |
| Sowell Financial Services LLC | 300 | 500 | +200 | +66.67% |
| Victory Capital Management Inc. | 8,914 | 14,467 | +5,553 | +62.30% |
| California Public Employees Retirement System | 132,315 | 214,489 | +82,174 | +62.10% |
| Alliancebernstein L.P. | 148,367 | 233,117 | +84,750 | +57.12% |
| Goldman Sachs Group Inc. | 630,574 | 986,518 | +355,944 | +56.45% |
| Seven Eight Capital LP | 44,743 | 68,184 | +23,441 | +52.39% |
| State of Wisconsin Investment Board | 128,109 | 191,984 | +63,875 | +49.86% |
| Strs Ohio | 8,900 | 13,100 | +4,200 | +47.19% |
| HAP Trading LLC | 39,078 | 56,257 | +17,179 | +43.96% |
| 1,048 | 1,489 | +441 | +42.08% | |
| Public Sector Pension Investment Board | 187,373 | 265,373 | +78,000 | +41.63% |
| Alberta Investment Management Corp | 157,000 | 220,400 | +63,400 | +40.38% |
| Jefferies Group LLC | 113,802 | 158,197 | +44,395 | +39.01% |
| LS Investment Advisors LLC | 2,177 | 2,934 | +757 | +34.77% |
| Bank of America Corp DE | 913,470 | 1,220,832 | +307,362 | +33.65% |
| Boxer Capital LLC | 750,000 | 967,000 | +217,000 | +28.93% |
| Teachers Retirement System of The State of Kentucky | 18,304 | 21,104 | +2,800 | +15.30% |
| Caption Management LLC | 290,000 | 333,600 | +43,600 | +15.03% |
| Amalgamated Bank | 11,534 | 13,266 | +1,732 | +15.02% |
| Russell Investments Group Ltd. | 26,306 | 30,245 | +3,939 | +14.97% |
| US Bancorp DE | 1,150 | 1,313 | +163 | +14.17% |
| Zurcher Kantonalbank Zurich Cantonalbank | 4,759 | 5,407 | +648 | +13.62% |
| Hsbc Holdings PLC | 7,705 | 8,730 | +1,025 | +13.30% |
| Oregon Public Employees Retirement Fund | 26,460 | 29,860 | +3,400 | +12.85% |
| Legal & General Group Plc | 199,641 | 218,935 | +19,294 | +9.66% |
| Swiss National Bank | 138,850 | 151,950 | +13,100 | +9.43% |
| Aperio Group LLC | 43,992 | 48,136 | +4,144 | +9.42% |
| Rhumbline Advisers | 238,486 | 260,584 | +22,098 | +9.27% |
| Voya Investment Management LLC | 34,940 | 37,522 | +2,582 | +7.39% |
| Crossmark Global Holdings Inc. | 6,940 | 7,420 | +480 | +6.92% |
| Guggenheim Capital LLC | 55,052 | 58,798 | +3,746 | +6.80% |
| Profund Advisors LLC | 25,416 | 26,743 | +1,327 | +5.22% |
| Geode Capital Management LLC | 1,004,232 | 1,050,757 | +46,525 | +4.63% |
| Quadrant Capital Group LLC | 1,465 | 1,527 | +62 | +4.23% |
| Mason Street Advisors LLC | 25,058 | 25,892 | +834 | +3.33% |
| Ameritas Investment Partners Inc. | 6,284 | 6,457 | +173 | +2.75% |
| Bank of Montreal Can | 12,184 | 12,473 | +289 | +2.37% |
| Charles Schwab Investment Management Inc. | 449,019 | 459,105 | +10,086 | +2.25% |
| Vanguard Group Inc. | 7,474,698 | 7,632,116 | +157,418 | +2.11% |
| Municipal Employees Retirement System of Michigan | 22,140 | 22,580 | +440 | +1.99% |
| BlackRock Inc. | 11,877,206 | 12,101,435 | +224,229 | +1.89% |
| Texas Permanent School Fund | 50,228 | 50,848 | +620 | +1.23% |
| Thrivent Financial for Lutherans | 58,634 | 59,191 | +557 | +0.95% |
| Principal Financial Group Inc. | 601,652 | 606,414 | +4,762 | +0.79% |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 25,030 | 25,202 | +172 | +0.69% |
| Prudential Financial Inc. | 116,672 | 117,392 | +720 | +0.62% |
| 13F Filers Reporting New Positions In MDCO | ||||
| Proequities Inc. | 0 | 0 | UNCH | 100% |
| IFP Advisors Inc | 0 | 0 | UNCH | 100% |
| Berkley W R Corp | 0 | 118,200 | +118,200 | +100% |
| Truist Financial Corp | 0 | 33,543 | +33,543 | +100% |
| Gamco Investors INC. ET AL | 0 | 71,955 | +71,955 | +100% |
| Farallon Capital Management LLC | 0 | 3,315,000 | +3,315,000 | +100% |
| Price Michael F | 0 | 100,000 | +100,000 | +100% |
| GABELLI & Co INVESTMENT ADVISERS INC. | 0 | 343,710 | +343,710 | +100% |
| Ontario Teachers Pension Plan Board | 0 | 96,030 | +96,030 | +100% |
| Gardner Lewis Asset Management L P | 0 | 517,519 | +517,519 | +100% |
| Public Employees Retirement System of Ohio | 0 | 64,500 | +64,500 | +100% |
| Soros Fund Management LLC | 0 | 21,000 | +21,000 | +100% |
| P Schoenfeld Asset Management LP | 0 | 669,062 | +669,062 | +100% |
| Great West Life Assurance Co. Can | 0 | 92,365 | +92,365 | +100% |
| OMERS ADMINISTRATION Corp | 0 | 9,700 | +9,700 | +100% |
| Carlson Capital L P | 0 | 707,322 | +707,322 | +100% |
| Gabelli Funds LLC | 0 | 688,792 | +688,792 | +100% |
| Coldstream Capital Management Inc. | 0 | 2,666 | +2,666 | +100% |
| CSS LLC IL | 0 | 22,000 | +22,000 | +100% |
| Paloma Partners Management Co | 0 | 123,340 | +123,340 | +100% |
| Equitec Specialists LLC | 0 | 7,834 | +7,834 | +100% |
| Dupont Capital Management Corp | 0 | 20,300 | +20,300 | +100% |
| UBS Oconnor LLC | 0 | 966,509 | +966,509 | +100% |
| Stevens Capital Management LP | 0 | 8,071 | +8,071 | +100% |
| S. Muoio & CO. LLC | 0 | 20,000 | +20,000 | +100% |
| Harvest Management LLC | 0 | 7,126 | +7,126 | +100% |
| Sandell Asset Management Corp. | 0 | 234,037 | +234,037 | +100% |
| Northwestern Mutual Wealth Management Co. | 0 | 12 | +12 | +100% |
| CI Investments Inc. | 0 | 4,618 | +4,618 | +100% |
| CNH Partners LLC | 0 | 1,528,417 | +1,528,417 | +100% |
| AQR Capital Management LLC | 0 | 54,104 | +54,104 | +100% |
| Two Sigma Investments LP | 0 | 57,282 | +57,282 | +100% |
| Balyasny Asset Management LLC | 0 | 189,165 | +189,165 | +100% |
| Water Island Capital LLC | 0 | 962,241 | +962,241 | +100% |
| Ramius Advisors LLC | 0 | 419,826 | +419,826 | +100% |
| Havens Advisors LLC | 0 | 78,000 | +78,000 | +100% |
| Graham Capital Management L.P. | 0 | 165,100 | +165,100 | +100% |
| Calamos Advisors LLC | 0 | 30,000 | +30,000 | +100% |
| Capital Fund Management S.A. | 0 | 9,357 | +9,357 | +100% |
| Polar Asset Management Partners Inc. | 0 | 45,000 | +45,000 | +100% |
| Twin Securities Inc. | 0 | 189,500 | +189,500 | +100% |
| Magnetar Financial LLC | 0 | 1,892,832 | +1,892,832 | +100% |
| Norges Bank | 0 | 566,881 | +566,881 | +100% |
| Moab Capital Partners LLC | 0 | 521,987 | +521,987 | +100% |
| Weiss Multi Strategy Advisers LLC | 0 | 204,577 | +204,577 | +100% |
| World Asset Management Inc | 0 | 2,858 | +2,858 | +100% |
| 0 | 42,400 | +42,400 | +100% | |
| Hudson Bay Capital Management LP | 0 | 191,624 | +191,624 | +100% |
| Alpine Associates Management Inc. | 0 | 1,590,435 | +1,590,435 | +100% |
| IndexIQ Advisors LLC | 0 | 799,904 | +799,904 | +100% |
| First Republic Investment Management Inc. | 0 | 3,745 | +3,745 | +100% |
| Pentwater Capital Management LP | 0 | 780,500 | +780,500 | +100% |
| Oxford Asset Management LLP | 0 | 271,046 | +271,046 | +100% |
| GAM Holding AG | 0 | 39,278 | +39,278 | +100% |
| Moore Capital Management LP | 0 | 100,000 | +100,000 | +100% |
| Alyeska Investment Group L.P. | 0 | 300,943 | +300,943 | +100% |
| Verition Fund Management LLC | 0 | 61,929 | +61,929 | +100% |
| Raymond James Financial Services Advisors Inc. | 0 | 3,528 | +3,528 | +100% |
| Neuberger Berman Group LLC | 0 | 5,000 | +5,000 | +100% |
| Highland Capital Management Fund Advisors L.P. | 0 | 23,900 | +23,900 | +100% |
| AGF Investments LLC | 0 | 72 | +72 | +100% |
| Simplex Trading LLC | 0 | 3,000 | +3,000 | +100% |
| Westchester Capital Management LLC | 0 | 51,100 | +51,100 | +100% |
| Skandinaviska Enskilda Banken AB publ | 0 | 199,792 | +199,792 | +100% |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | 195,555 | +195,555 | +100% |
| Vestcor Inc | 0 | 90,624 | +90,624 | +100% |
| Mirabella Financial Services LLP | 0 | 310,000 | +310,000 | +100% |
| Picton Mahoney Asset Management | 0 | 6,600 | +6,600 | +100% |
| EP Wealth Advisors LLC | 0 | 4,035 | +4,035 | +100% |
| Burren Capital Advisors Ltd | 0 | 17,775 | +17,775 | +100% |
| Segantii Capital Management Ltd | 0 | 129,035 | +129,035 | +100% |
| Kellner Capital LLC | 0 | 101,700 | +101,700 | +100% |
| JS Capital Management LLC | 0 | 4,000 | +4,000 | +100% |
| DC Investments Management LLC | 0 | 6,527 | +6,527 | +100% |
| BTG Pactual Global Asset Management Ltd | 0 | 91,700 | +91,700 | +100% |
| Omni Partners LLP | 0 | 2,311,536 | +2,311,536 | +100% |
| DLD Asset Management LP | 0 | 200,000 | +200,000 | +100% |
| Chicago Capital Management LLC | 0 | 25,000 | +25,000 | +100% |
| Acuta Capital Partners LLC | 0 | 21,700 | +21,700 | +100% |
| Tarbox Family Office Inc. | 0 | 134 | +134 | +100% |
| Vivaldi Asset Management LLC | 0 | 54,132 | +54,132 | +100% |
| NumerixS Investment Technologies Inc | 0 | 11,300 | +11,300 | +100% |
| WINTON GROUP Ltd | 0 | 23,489 | +23,489 | +100% |
| 0 | 8,640 | +8,640 | +100% | |
| Bardin Hill Management Partners LP | 0 | 415,862 | +415,862 | +100% |
| PSquared Asset Management AG | 0 | 200,000 | +200,000 | +100% |
| Man Group plc | 0 | 184,508 | +184,508 | +100% |
| Squarepoint Ops LLC | 0 | 37,788 | +37,788 | +100% |
| White Square Capital LLP | 0 | 239,331 | +239,331 | +100% |
| Ellevest Inc. | 0 | 15 | +15 | +100% |
| ARP Americas LP | 0 | 744,836 | +744,836 | +100% |
| Exane Asset Management | 0 | 15,000 | +15,000 | +100% |
| Mint Tower Capital Management B.V. | 0 | 10,000 | +10,000 | +100% |
| Athos Capital Ltd | 0 | 58,056 | +58,056 | +100% |
| Centiva Capital LP | 0 | 25,000 | +25,000 | +100% |
| Eversept Partners LP | 0 | 114,358 | +114,358 | +100% |
| Melqart Asset Management UK Ltd | 0 | 239,000 | +239,000 | +100% |
| Beryl Capital Management LLC | 0 | 711,667 | +711,667 | +100% |
| Qube Research & Technologies Ltd | 0 | 55,722 | +55,722 | +100% |
| Athanor Capital LP | 0 | 189,600 | +189,600 | +100% |
| MANA Advisors LLC | 0 | 2,527 | +2,527 | +100% |
| ExodusPoint Capital Management LP | 0 | 34,823 | +34,823 | +100% |
| Rockefeller Capital Management L.P. | 0 | 3 | +3 | +100% |
| DeepCurrents Investment Group LLC | 0 | 37,200 | +37,200 | +100% |
| One68 Global Capital LLC | 0 | 50,451 | +50,451 | +100% |
| Walleye Capital LLC | 0 | 90,809 | +90,809 | +100% |
| Syquant Capital Sas | 0 | 505,030 | +505,030 | +100% |
| Davide Leone & Partners Investment Co Ltd. | 0 | 1,146,192 | +1,146,192 | +100% |
| 13F Filers With Unchanged Share Count | ||||
| Public Employees Retirement Association of Colorado | 14,178 | 14,178 | UNCH | 0.00% |
| Bessemer Group Inc. | 27 | 27 | UNCH | 0.00% |
| Everence Capital Management Inc. | 9,540 | 9,540 | UNCH | 0.00% |
| Whittier Trust Co. | 209 | 209 | UNCH | 0.00% |
| KBC Group NV | 22,410 | 22,410 | UNCH | 0.00% |
| Daiwa Securities Group Inc. | 506 | 506 | UNCH | 0.00% |
| State of New Jersey Common Pension Fund D | 63,900 | 63,900 | UNCH | 0.00% |
| Antipodean Advisors LLC | 321,000 | 321,000 | UNCH | 0.00% |
| Duquesne Family Office LLC | 585,500 | 585,500 | UNCH | 0.00% |
| Sarissa Capital Management LP | 4,202,000 | 4,202,000 | UNCH | 0.00% |
| Gemmer Asset Management LLC | 98 | 98 | UNCH | 0.00% |
| Lion Point Capital LP | 783,950 | 783,950 | UNCH | 0.00% |
| 13,960 | 13,960 | UNCH | 0.00% | |
| Parallel Advisors LLC | 56 | 56 | UNCH | 0.00% |
| TIAA FSB | 60,633 | 60,633 | UNCH | 0.00% |
| Steward Partners Investment Advisory LLC | 35 | 35 | UNCH | 0.00% |
| Bedel Financial Consulting Inc. | 157 | 157 | UNCH | 0.00% |
| Prestige Wealth Management Group LLC | 100 | 100 | UNCH | 0.00% |
| 13F Filers Decreasing MDCO Share Count | ||||
| FMR LLC | 9,374,022 | 603 | -9,373,419 | -99.99% |
| Federated Hermes Inc. | 136,850 | 2,978 | -133,872 | -97.82% |
| Capstone Investment Advisors LLC | 31,300 | 700 | -30,600 | -97.76% |
| Mutual of America Capital Management LLC | 91,405 | 2,656 | -88,749 | -97.09% |
| Wellington Management Group LLP | 11,067,825 | 431,152 | -10,636,673 | -96.10% |
| Panagora Asset Management Inc. | 571,713 | 25,879 | -545,834 | -95.47% |
| Cubist Systematic Strategies LLC | 75,397 | 4,570 | -70,827 | -93.94% |
| Deutsche Bank AG | 732,977 | 44,804 | -688,173 | -93.89% |
| Tower Research Capital LLC TRC | 2,186 | 228 | -1,958 | -89.57% |
| Marshall Wace LLP | 626,162 | 71,945 | -554,217 | -88.51% |
| Private Capital Group LLC | 360 | 50 | -310 | -86.11% |
| Jane Street Group LLC | 56,718 | 8,517 | -48,201 | -84.98% |
| Glenmede Trust Co. NA | 4,645 | 784 | -3,861 | -83.12% |
| Westfield Capital Management Co. LP | 6,468,402 | 1,368,720 | -5,099,682 | -78.84% |
| 40,145 | 8,565 | -31,580 | -78.66% | |
| Bridger Management LLC | 1,407,296 | 305,002 | -1,102,294 | -78.33% |
| Slate Path Capital LP | 3,695,000 | 818,042 | -2,876,958 | -77.86% |
| Maven Securities LTD | 53,142 | 12,500 | -40,642 | -76.48% |
| Amundi Pioneer Asset Management Inc. | 355,348 | 96,362 | -258,986 | -72.88% |
| Nicholas Investment Partners LP | 157,472 | 48,252 | -109,220 | -69.36% |
| Greenlight Capital Inc. | 731,600 | 229,900 | -501,700 | -68.58% |
| Bailard Inc. | 65,000 | 21,800 | -43,200 | -66.46% |
| Rafferty Asset Management LLC | 135,730 | 46,584 | -89,146 | -65.68% |
| Stifel Financial Corp | 59,314 | 21,234 | -38,080 | -64.20% |
| DekaBank Deutsche Girozentrale | 65,500 | 23,600 | -41,900 | -63.97% |
| Sei Investments Co. | 140,984 | 51,778 | -89,206 | -63.27% |
| Pinebridge Investments L.P. | 57,820 | 22,146 | -35,674 | -61.70% |
| Rock Springs Capital Management LP | 800,000 | 307,699 | -492,301 | -61.54% |
| Advisory Services Network LLC | 960 | 393 | -567 | -59.06% |
| Financial Counselors Inc. | 7,160 | 3,030 | -4,130 | -57.68% |
| Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 4,336 | 2,024 | -2,312 | -53.32% |
| Franklin Resources Inc. | 8,350 | 3,975 | -4,375 | -52.40% |
| Pinnacle Associates Ltd. | 443,594 | 214,014 | -229,580 | -51.75% |
| Iridian Asset Management LLC CT | 3,001,362 | 1,448,662 | -1,552,700 | -51.73% |
| The PNC Financial Services Group Inc. | 22,373 | 10,958 | -11,415 | -51.02% |
| Compagnie Lombard Odier SCmA | 4,000 | 2,000 | -2,000 | -50.00% |
| First Midwest Bank Trust Division | 7,000 | 3,500 | -3,500 | -50.00% |
| First Eagle Investment Management LLC | 764,012 | 409,112 | -354,900 | -46.45% |
| Candriam Luxembourg S.C.A. | 281,500 | 157,106 | -124,394 | -44.19% |
| Maverick Capital Ltd. | 3,884,039 | 2,176,487 | -1,707,552 | -43.96% |
| Cutler Group LP | 88,308 | 49,500 | -38,808 | -43.95% |
| Arizona State Retirement System | 86,671 | 49,571 | -37,100 | -42.81% |
| 1,592 | 917 | -675 | -42.40% | |
| Comerica Bank | 121,248 | 70,455 | -50,793 | -41.89% |
| CWM Advisors LLC | 5,140 | 3,018 | -2,122 | -41.28% |
| Renaissance Technologies LLC | 1,024,732 | 605,132 | -419,600 | -40.95% |
| Invesco Ltd. | 696,244 | 422,563 | -273,681 | -39.31% |
| QS Investors LLC | 3,100 | 1,900 | -1,200 | -38.71% |
| Coronation Fund Managers Ltd. | 165,526 | 101,580 | -63,946 | -38.63% |
| University of Notre Dame DU Lac | 266,069 | 165,687 | -100,382 | -37.73% |
| Granahan Investment Management Inc. MA | 442,161 | 275,712 | -166,449 | -37.64% |
| New York State Common Retirement Fund | 310,381 | 200,083 | -110,298 | -35.54% |
| Old West Investment Management LLC | 8,128 | 5,411 | -2,717 | -33.43% |
| Redwood Investment Management LLC | 21,190 | 14,114 | -7,076 | -33.39% |
| CIBC Asset Management Inc | 4,230 | 2,957 | -1,273 | -30.09% |
| UBS Asset Management Americas Inc. | 331,829 | 232,815 | -99,014 | -29.84% |
| First Mercantile Trust Co. | 1,768 | 1,283 | -485 | -27.43% |
| Ameriprise Financial Inc. | 775,571 | 568,953 | -206,618 | -26.64% |
| Price T Rowe Associates Inc. MD | 59,502 | 43,958 | -15,544 | -26.12% |
| Parametric Portfolio Associates LLC | 263,113 | 201,674 | -61,439 | -23.35% |
| Shelton Capital Management | 6,505 | 5,305 | -1,200 | -18.45% |
| Macquarie Group Ltd. | 1,117,655 | 911,519 | -206,136 | -18.44% |
| JPMorgan Chase & Co. | 664,700 | 547,883 | -116,817 | -17.57% |
| Foresite Capital Management IV LLC | 478,217 | 403,217 | -75,000 | -15.68% |
| State of Tennessee Treasury Department | 52,667 | 46,259 | -6,408 | -12.17% |
| State Street Corp | 3,508,265 | 3,085,089 | -423,176 | -12.06% |
| Citadel Advisors LLC | 222,084 | 195,601 | -26,483 | -11.92% |
| Mackay Shields LLC | 51,900 | 46,100 | -5,800 | -11.18% |
| Tekla Capital Management LLC | 135,675 | 120,670 | -15,005 | -11.06% |
| New York State Teachers Retirement System | 148,881 | 132,981 | -15,900 | -10.68% |
| Hall Laurie J Trustee | 670 | 600 | -70 | -10.45% |
| State Board of Administration of Florida Retirement System | 40,829 | 37,129 | -3,700 | -9.06% |
| ProShare Advisors LLC | 33,686 | 31,306 | -2,380 | -7.07% |
| Louisiana State Employees Retirement System | 27,300 | 25,410 | -1,890 | -6.92% |
| Northern Trust Corp | 961,925 | 897,455 | -64,470 | -6.70% |
| South Dakota Investment Council | 13,600 | 12,700 | -900 | -6.62% |
| Bank of New York Mellon Corp | 917,898 | 867,706 | -50,192 | -5.47% |
| Gotham Asset Management LLC | 5,842 | 5,612 | -230 | -3.94% |
| MetLife Investment Management LLC | 33,035 | 31,880 | -1,155 | -3.50% |
| Nuveen Asset Management LLC | 502,842 | 487,815 | -15,027 | -2.99% |
| American International Group Inc. | 55,834 | 54,445 | -1,389 | -2.49% |
| Metropolitan Life Insurance Co NY | 23,852 | 23,310 | -542 | -2.27% |
| Shell Asset Management Co. | 6,515 | 6,370 | -145 | -2.23% |
| Regentatlantic Capital LLC | 4,614 | 4,519 | -95 | -2.06% |
| California State Teachers Retirement System | 117,754 | 115,423 | -2,331 | -1.98% |
| The Manufacturers Life Insurance Company | 45,801 | 45,135 | -666 | -1.45% |
| State of Alaska Department of Revenue | 56,911 | 56,129 | -782 | -1.37% |
| PEAK6 Investments LLC | 12,817 | 12,816 | -1 | -0.01% |
| 13F Filers Exiting MDCO | ||||
| BI Asset Management Fondsmaeglerselskab A S | 2,131 | 0 | -2,131 | -100.00% |
| Bain Capital Public Equity Management II LLC | 41,500 | 0 | -41,500 | -100.00% |
| Magnus Financial Group LLC | 4,968 | 0 | -4,968 | -100.00% |
| Atom Investors LP | 623,221 | 0 | -623,221 | -100.00% |
| Versant Capital Management Inc | 173 | 0 | -173 | -100.00% |
| Aequim Alternative Investments LP | 176,600 | 0 | -176,600 | -100.00% |
| Neo Ivy Capital Management | 23,536 | 0 | -23,536 | -100.00% |
| Islet Management LP | 65,000 | 0 | -65,000 | -100.00% |
| Diametric Capital LP | 14,382 | 0 | -14,382 | -100.00% |
| Ferris Capital LLC | 20,000 | 0 | -20,000 | -100.00% |
| Holocene Advisors LP | 176,515 | 0 | -176,515 | -100.00% |
| Harvest Group Wealth Management LLC | 75 | 0 | -75 | -100.00% |
| Bellevue Group AG | 28,900 | 0 | -28,900 | -100.00% |
| Glassman Wealth Services | 49 | 0 | -49 | -100.00% |
| Avoro Capital Advisors LLC | 371,623 | 0 | -371,623 | -100.00% |
| AlphaCrest Capital Management LLC | 4,800 | 0 | -4,800 | -100.00% |
| Aviva Holdings Ltd. | 115,100 | 0 | -115,100 | -100.00% |
| Rhenman & Partners Asset Management AB | 153,000 | 0 | -153,000 | -100.00% |
| Nelson Van Denburg & Campbell Wealth Management Group LLC | 15,510 | 0 | -15,510 | -100.00% |
| Atika Capital Management LLC | 124,000 | 0 | -124,000 | -100.00% |
| Virtus ETF Advisers LLC | 19,635 | 0 | -19,635 | -100.00% |
| TCI Wealth Advisors Inc. | 50 | 0 | -50 | -100.00% |
| Hood River Capital Management LLC | 600,476 | 0 | -600,476 | -100.00% |
| Voloridge Investment Management LLC | 17,020 | 0 | -17,020 | -100.00% |
| Assenagon Asset Management S.A. | 13,799 | 0 | -13,799 | -100.00% |
| Creative Planning | 66,742 | 0 | -66,742 | -100.00% |
| 165,624 | 0 | -165,624 | -100.00% | |
| Clear Street Markets LLC | 7,000 | 0 | -7,000 | -100.00% |
| Parallax Volatility Advisers L.P. | 176,059 | 0 | -176,059 | -100.00% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 277,792 | 0 | -277,792 | -100.00% |
| 4,750 | 0 | -4,750 | -100.00% | |
| EAM Investors LLC | 33,555 | 0 | -33,555 | -100.00% |
| Tokio Marine Asset Management Co. Ltd. | 10,300 | 0 | -10,300 | -100.00% |
| Voleon Capital Management LP | 83,000 | 0 | -83,000 | -100.00% |
| HRT Financial LP | 11,071 | 0 | -11,071 | -100.00% |
| Zeke Capital Advisors LLC | 9,000 | 0 | -9,000 | -100.00% |
| Artisan Partners Limited Partnership | 101,863 | 0 | -101,863 | -100.00% |
| HighTower Advisors LLC | 4,277 | 0 | -4,277 | -100.00% |
| Signaturefd LLC | 2 | 0 | -2 | -100.00% |
| Parkside Financial Bank & Trust | 87 | 0 | -87 | -100.00% |
| O Shaughnessy Asset Management LLC | 2,493 | 0 | -2,493 | -100.00% |
| Putnam Investments LLC | 1,673,357 | 0 | -1,673,357 | -100.00% |
| Cambridge Investment Research Advisors Inc. | 39,166 | 0 | -39,166 | -100.00% |
| Envestnet Asset Management Inc. | 4,171 | 0 | -4,171 | -100.00% |
| HighVista Strategies LLC | 90,409 | 0 | -90,409 | -100.00% |
| Grimes & Company Inc. | 5,000 | 0 | -5,000 | -100.00% |
| CIBC Private Wealth Group LLC | 58,321 | 0 | -58,321 | -100.00% |
| Pictet Asset Management Ltd. | 116,740 | 0 | -116,740 | -100.00% |
| Canada Pension Plan Investment Board | 35,109 | 0 | -35,109 | -100.00% |
| Silverback Asset Management LLC | 182,500 | 0 | -182,500 | -100.00% |
| Platinum Investment Management Ltd. | 36,053 | 0 | -36,053 | -100.00% |
| Perceptive Advisors LLC | 19,532 | 0 | -19,532 | -100.00% |
| Cim Investment Mangement Inc. | 16,594 | 0 | -16,594 | -100.00% |
| Itau Unibanco Holding S.A. | 1,221 | 0 | -1,221 | -100.00% |
| Hanseatic Management Services Inc. | 67 | 0 | -67 | -100.00% |
| Artal Group S.A. | 1,400,000 | 0 | -1,400,000 | -100.00% |
| Palisade Capital Management LLC NJ | 7,500 | 0 | -7,500 | -100.00% |
| Moody Aldrich Partners LLC | 49,830 | 0 | -49,830 | -100.00% |
| Gilder Gagnon Howe & Co. LLC | 3,100 | 0 | -3,100 | -100.00% |
| Bluestein R H & Co. | 4,180 | 0 | -4,180 | -100.00% |
| Calton & Associates Inc. | 4,651 | 0 | -4,651 | -100.00% |
| Meeder Asset Management Inc. | 3,960 | 0 | -3,960 | -100.00% |
| American Century Companies Inc. | 72,119 | 0 | -72,119 | -100.00% |
| Fred Alger Management LLC | 8,000 | 0 | -8,000 | -100.00% |
See Summary: Institutional Holders of MDCO
See Details: Top 10 Hedge Funds Holding MDCO
Also See: MDCO Insider Buying
