HolderBook

ACHILLION PHARMACEUTICALS IN (ACHN)

Institutional ownership reported to the SEC as of Q4 2019, across 5 quarters.

141
Reporting holders
$875.7M
Reported value
12.4%
Held as options
+20
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
Pentwater Capital Management LP$107.9M7,511,7001.76%newNEW
VANGUARD GROUP INC$79.0M13,097,5460.00%5q+6.8%+$5.0M
BlackRock Inc.$68.8M11,404,9740.00%5q-1.3%-$884.5K
DIMENSIONAL FUND ADVISORS LP$45.8M7,596,1230.02%5q-1.0%-$470.8K
ARP AMERICAS LP$45.3M7,515,6752.29%newNEW
RTW INVESTMENTS, LP$44.1M7,309,3831.66%5q-47.3%-$39.5M
MAK CAPITAL ONE LLC$40.1M6,642,81413.12%5q-4.1%-$1.7M
Magnetar Financial LLC$33.1M5,492,0400.69%newNEW
STATE STREET CORP$31.0M5,143,7390.00%5q+14.3%+$3.9M
RENAISSANCE TECHNOLOGIES LLC$25.5M4,231,6000.02%5q+9.8%+$2.3M
GEODE CAPITAL MANAGEMENT, LLC$24.8M4,113,5560.00%5q+104.3%+$12.7M
UBS Group AG$23.3M3,869,0630.01%5q-34.8%-$12.5M
Rock Springs Capital Management LP$22.2M3,685,0000.70%5q-3.7%-$844.2K
CNH PARTNERS LLC$19.1M3,161,8830.32%newNEW
GOLDMAN SACHS GROUP INC$18.4M3,048,2970.00%5q-50.7%-$18.9M
BOXER CAPITAL, LLC$18.2M3,000,0001.03%2q+50.0%+$6.1M
Weiss Multi-Strategy Advisers LLC$17.2M2,848,2610.28%newNEW
Jefferies Group LLC$14.6M577,1790.11%newNEW
Verition Fund Management LLC$13.5Moptions only0.25%newOPTIONS
South Dakota Investment Council$10.7M1,777,0370.22%5q-8.5%-$1.0M
NORTHERN TRUST CORP$10.5M1,748,2860.00%5q+2.1%+$221.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP$8.7M15,3570.00%5q-78.8%-$32.2M
Nuveen Asset Management, LLC$7.9M1,312,1090.00%3q-58.4%-$11.1M
ALLIANCEBERNSTEIN L.P.$6.6M1,093,1990.00%5q+465.3%+$5.4M
CREDIT SUISSE AG/$5.6M930,9080.00%5q+403.0%+$4.5M
Davidson Kempner Capital Management LP$5.5M918,9420.12%newNEW
Walleye Trading LLC$5.5M368,4430.04%newNEW
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$5.1M838,0780.00%5qHELD
OMERS ADMINISTRATION Corp$4.9M816,9000.06%newNEW
Opaleye Management Inc.$4.6M760,0000.90%newNEW
UBS ASSET MANAGEMENT AMERICAS INC$4.3M714,4320.00%5q+293.6%+$3.2M
Candriam Luxembourg S.C.A.$4.2M702,6310.05%5q-27.2%-$1.6M
Bank of New York Mellon Corp$3.9M645,9730.00%5q+1.2%+$44.6K
Qube Research & Technologies Ltd$3.8M633,5980.12%newNEW
Fairmount Funds Management LLC$3.8M624,9562.28%newFIRST
GROUP ONE TRADING, L.P.$3.7M163,8910.03%2q+1371.3%+$3.4M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$3.7M610,0060.02%newFIRST
TWO SIGMA ADVISERS, LP$3.5M583,4280.01%5q+2.1%+$72.4K
MILLENNIUM MANAGEMENT LLC$3.4M548,6160.00%5q-83.3%-$17.0M
WELLINGTON MANAGEMENT GROUP LLP$3.2M539,0280.00%newNEW
MORGAN STANLEY$2.9M473,9730.00%9q+30.7%+$670.6K
IndexIQ Advisors LLC$2.7M448,3550.10%newNEW
JANE STREET GROUP, LLC$2.7M447,4470.00%3q+3839.1%+$2.6M
Balyasny Asset Management LLC$2.7M328,9850.02%newNEW
DAFNA Capital Management LLC$2.6M438,8840.91%5qHELD
QS Investors, LLC$2.6M432,7480.03%5q-1.5%-$39.7K
STIFEL FINANCIAL CORP$2.4M400,0000.01%5qHELD
Lombard Odier Asset Management (USA) Corp$2.3M383,6740.21%newNEW
Caption Management, LLC$2.3Moptions only0.08%newOPTIONS
GABELLI FUNDS LLC$2.2M369,0730.01%newNEW
TWO SIGMA INVESTMENTS, LP$2.1M344,7810.01%5q-49.0%-$2.0M
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM$1.9M307,0990.00%5q+43.1%+$557.8K
CAPSTONE INVESTMENT ADVISORS, LLC$1.8M299,9060.01%newNEW
GABELLI & Co INVESTMENT ADVISERS, INC.$1.8M291,0500.20%newNEW
Kerrisdale Advisers, LLC$1.7M283,2000.60%4qHELD
HAVENS ADVISORS LLC$1.7M281,0001.49%newNEW
Walleye Capital LLC$1.7M278,2050.11%newNEW
CSS LLC/IL$1.5M224,6030.09%newNEW
Swiss National Bank$1.5M254,0000.00%5q+3.6%+$53.7K
CITIGROUP INC$1.4M107,6350.00%5q-74.8%-$4.1M
RHUMBLINE ADVISERS$1.3M221,8710.00%5q+2.3%+$30.3K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$1.2M206,9580.00%5q-3.1%-$39.6K
STATE OF WISCONSIN INVESTMENT BOARD$1.2M204,4000.00%5qHELD
NOMURA HOLDINGS INC$1.2Moptions only0.00%newOPTIONS
BANK OF AMERICA CORP /DE/$1.2M197,7940.00%5q-42.7%-$890.3K
PUBLIC SECTOR PENSION INVESTMENT BOARD$1.1M186,5350.01%4q-50.7%-$1.2M
Yakira Capital Management, Inc.$1.0M172,4710.30%newNEW
BARCLAYS PLC$1.0M170,9800.00%5q+3.8%+$37.8K
Invesco Ltd.$939.0K155,6730.00%5q-22.1%-$266.9K
S. MUOIO & CO. LLC$844.0K139,9070.76%newNEW
WINTON GROUP Ltd$812.0K134,7000.01%newNEW
Creative Planning$778.0K128,9760.00%5qHELD
D. E. Shaw & Co., Inc.$757.0K125,5270.00%5q-77.8%-$2.7M
Rafferty Asset Management, LLC$726.0K120,4070.01%4q-30.6%-$320.7K
NEW YORK STATE COMMON RETIREMENT FUND$687.0K113,9000.00%5q-12.2%-$95.3K
TUDOR INVESTMENT CORP ET AL$544.0K90,2700.02%5q-50.5%-$555.4K
Grantham, Mayo, Van Otterloo & Co. LLC$526.0K87,2000.00%2q-4.2%-$22.9K
GAMCO INVESTORS, INC. ET AL$520.0K86,2100.00%newNEW
AMERICAN INTERNATIONAL GROUP INC$514.0K85,3220.00%5q-0.8%-$4.3K
WELLS FARGO & COMPANY/MN$509.0K84,5060.00%5q-11.4%-$65.6K
MANUFACTURERS LIFE INSURANCE COMPANY, THE$498.0K82,6680.00%5q-7.2%-$38.8K
CITADEL ADVISORS LLC$463.0K51,2210.00%5q-95.1%-$9.0M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM$454.0K75,2460.00%5qHELD
Centiva Capital, LP$452.0K75,0000.02%newNEW
JPMORGAN CHASE & CO$445.0K73,7260.00%5q-86.8%-$2.9M
SIMPLEX TRADING, LLC$424.0K6000.00%2qHELD
Voya Investment Management LLC$401.0K66,4340.00%5q+19.0%+$64.1K
Virtus ETF Advisers LLC$397.0K65,8130.06%5q-27.3%-$149.2K
Paloma Partners Management Co$395.0K65,5850.01%3q+412.4%+$317.9K
WOLVERINE ASSET MANAGEMENT LLC$380.0K63,0910.00%newNEW
VOLORIDGE INVESTMENT MANAGEMENT, LLC$374.0K62,0790.01%newNEW
Guggenheim Capital LLC$353.0K58,5300.00%newNEW
MetLife Investment Management, LLC$311.4K51,6470.00%4q-23.6%-$96.0K
CLEAR STREET MARKETS LLC$302.0K20,0000.02%newNEW
ProShare Advisors LLC$294.0K48,7650.00%5q-8.6%-$27.6K
DEUTSCHE BANK AG\$275.0K45,6510.00%8q-74.5%-$804.9K
PRELUDE CAPITAL MANAGEMENT, LLC$267.0K33,6350.01%newNEW
VICTORY CAPITAL MANAGEMENT INC$262.0K43,5120.00%2q+97.9%+$129.6K
Bluefin Trading, LLC$256.0Koptions only0.02%newOPTIONS
Blueshift Asset Management, LLC$256.0K42,3930.03%newNEW

Showing the largest 100 of 141 reported holders.

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q4 2019141$875.7M127,214,50350314412.4%
Q3 2019121$405.3M111,794,5622241280.7%
Q2 2019113$295.7M110,069,0451434270.2%
Q1 2019111$326.2M110,034,2951337350.1%
Q4 2018118$167.8M104,724,5723120.8%