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Idenix Pharmaceuticals Inc

CUSIP: 45166R204 | 186 institutional holders

Quarters

Q2 2014Q1 2014Q4 2013Q3 2013Q2 2013
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Institutional Holders — Q2 2014

Baupost Group LLC53,331,109
20.7% of portfolio›$1.3M
Vanguard Group Inc7,184,612
0.0% of portfolio›$173.1K
FMR LLC5,105,411
0.0% of portfolio›$123.0K
BlackRock Fund Advisors4,378,059
0.0% of portfolio›$105.5K
BlackRock Institutional Trust Company, N.A.3,659,731
0.0% of portfolio›$88.2K
Brookside Capital Management LLC3,364,623
0.0% of portfolio›$81.1K
AQR Capital Management LLC3,025,872
0.0% of portfolio›$72.9K
State Street Corp2,468,665
0.0% of portfolio›$59.5K
Sarissa Capital Management LPA2,000,000
16.4% of portfolio›$48.2K
Morgan Stanley1,660,196
0.0% of portfolio›$40.0K
Invesco Ltd.1,469,771
0.0% of portfolio›$35.4K
12 West Capital Management LP1,431,480
0.2% of portfolio›$34.5K
Price T Rowe Associates Inc1,404,444
0.0% of portfolio›$33.8K
Barclays PLC1,402,950
0.0% of portfolio›$33.7K
Northern Trust Corp1,285,915
0.0% of portfolio›$31.0K
Adage Capital Partners GP, L.L.C.1,182,107
0.0% of portfolio›$28.5K
JPMorgan Chase & Co1,134,747
0.0% of portfolio›$27.3K
Angelo Gordon & Co., L.P.1,000,000
0.0% of portfolio›$24.1K
Glazer Capital, LLC981,058
9.3% of portfolio›$23.6K
Taconic Capital Advisors LP900,000
0.0% of portfolio›$21.7K
Farallon Capital Management, L.L.C.840,000
0.2% of portfolio›$20.2K
Macquarie Group LTD800,000
0.0% of portfolio›$19.3K
Oxford Asset Management LLP686,376
0.0% of portfolio›$16.6K
Geode Capital Management, LLC642,163
0.0% of portfolio›$15.5K
Alpine Associates Advisors618,900
0.1% of portfolio›$14.9K
Goldman Sachs Group Inc602,888
0.0% of portfolio›$14.5K
Gabelli Funds LLC600,474
0.0% of portfolio›$14.5K
Gabelli & Co Investment Advisers, Inc.584,480
1.4% of portfolio›$14.1K
Carlson Capital, L.P.575,000
0.0% of portfolio›$13.9K
D. E. Shaw & Co., Inc.569,817
0.0% of portfolio›$13.7K
Bank of New York Mellon Corp548,058
0.0% of portfolio›$13.2K
TIG Advisors, LLC544,028
0.6% of portfolio›$13.1K
SG Americas Securities, LLC529,579
0.0% of portfolio›$12.8K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS510,204
0.0% of portfolio›$12.3K
Longfellow Investment Management Co LLC500,000
2.3% of portfolio›$12.1K
Bridger Management, LLC474,800
0.0% of portfolio›$11.4K
Tiaa Cref Investment Management LLC445,926
0.0% of portfolio›$10.7K
Omers Administration Corp371,800
0.1% of portfolio›$9.0K
Pentwater Capital Management LP370,000
0.0% of portfolio›$8.9K
Allianz Asset Management GmbH340,000
0.0% of portfolio›$8.2K
BlackRock Investment Management, LLC328,762
0.0% of portfolio›$7.9K
Susquehanna International Group, LLP304,096
0.0% of portfolio›$7.3K
Charles Schwab Investment Management Inc301,591
0.0% of portfolio›$7.3K
Alyeska Investment Group, L.P.300,000
0.0% of portfolio›$7.2K
Guggenheim Capital LLC293,962
0.0% of portfolio›$7.1K
Havens Advisors LLC251,000
4.4% of portfolio›$6.0K
CQS Cayman LP250,001
0.3% of portfolio›$6.0K
California State Teachers Retirement System214,577
0.0% of portfolio›$5.2K
Alliancebernstein L.P.211,520
0.0% of portfolio›$5.1K
Wolverine Asset Management LLC192,054
0.0% of portfolio›$4.6K
Ontario Teachers Pension Plan Board175,000
0.0% of portfolio›$4.2K
Teachers Advisors Inc165,313
0.0% of portfolio›$4.0K
ProShare Advisors LLC148,727
0.0% of portfolio›$3.6K
Gamco Investors, Inc. ET AL142,184
0.0% of portfolio›$3.4K
California Public Employees Retirement System127,400
0.0% of portfolio›$3.1K
BlackRock Advisors LLC125,101
0.0% of portfolio›$3.0K
Prelude Capital Management, LLC110,928
0.0% of portfolio›$2.7K
Parametric Portfolio Associates LLC109,418
0.0% of portfolio›$2.6K
Gardner Lewis Asset Management L P109,275
0.0% of portfolio›$2.6K
Credit Suisse AG/102,160
0.0% of portfolio›$2.5K
Rhumbline Advisers100,491
0.0% of portfolio›$2.4K
State Board of Administration of Florida Retirement System97,390
0.0% of portfolio›$2.3K
Rhenman & Partners Asset Management AB97,100
0.0% of portfolio›$2.3K
Metropolitan Life Insurance Co91,880
0.0% of portfolio›$2.2K
Nationwide Fund Advisors90,248
0.0% of portfolio›$2.2K
Deutsche Bank Ag\89,580
0.0% of portfolio›$2.2K
Swiss National Bank86,600
0.0% of portfolio›$2.1K
DekaBank Deutsche Girozentrale86,500
0.0% of portfolio›$2.1K
Jane Street Group, LLC82,964
0.0% of portfolio›$2.0K
Citigroup Inc82,286
0.0% of portfolio›$2.0K
American Century Companies Inc81,560
0.0% of portfolio›$2.0K
UBS AG80,677
0.0% of portfolio›$1.9K
Laurion Capital Management LP80,000
0.0% of portfolio›$1.9K
American International Group, Inc.76,942
0.0% of portfolio›$1.9M
Manufacturers Life Insurance Company, the75,889
0.0% of portfolio›$1.8K
Alpine Global Management, LLC72,013
0.0% of portfolio›$1.7K
Voya Investment Management LLC70,320
0.0% of portfolio›$1.7K
Harvard Management Co Inc70,000
0.0% of portfolio›$1.7K
Strs Ohio64,900
0.0% of portfolio›$1.6K
General American Investors Co Inc61,369
0.0% of portfolio›$1.5K
Millennium Management LLC54,100
0.0% of portfolio›$1.3K
Cowen Group, Inc.50,815
0.0% of portfolio›$1.2K
Fairfax Financial Holdings LTD/ CAN50,400
0.0% of portfolio›$1.2K
Airain ltd44,700
0.0% of portfolio›$1.1K
Credit Agricole S A41,890
0.0% of portfolio›$1.0K
BlackRock Group LTD41,331
0.0% of portfolio›$996
Group One Trading LLC37,953
0.0% of portfolio›$915
Panagora Asset Management Inc37,435
0.0% of portfolio›$902
UBS Asset Management Americas LLC36,496
0.0% of portfolio›$880
Nomura Holdings Inc31,049
0.0% of portfolio›$748
Aris Wealth Services, Inc.30,000
0.0% of portfolio›$723
Taurus Asset Management, LLC30,000
0.0% of portfolio›$723
Prudential Financial Inc26,873
0.0% of portfolio›$648
Peak6 Investments, L.P.23,600
0.0% of portfolio›$569
Loeb Offshore Management LP23,172
0.0% of portfolio›$558
Wilmington Funds Management Corp22,956
0.0% of portfolio›$553
Nine Chapters Capital Management LLC19,500
0.0% of portfolio›$470
Principal Financial Group Inc18,370
0.0% of portfolio›$443
First New York Securities LLC17,900
0.4% of portfolio›$431.4K
KCG Holdings, Inc.15,631
0.0% of portfolio›$377
TFS Capital LLC15,147
0.0% of portfolio›$365
Oppenheimer Funds Inc14,127
0.0% of portfolio›$340
Citadel Advisors LLC14,069
0.0% of portfolio›$339
TD Asset Management Inc13,000
0.0% of portfolio›$313
Capstone Investment Advisors, LLC12,500
0.0% of portfolio›$301
Ameritas Investment Partners, Inc.10,531
0.0% of portfolio›$254
RidgeWorth Capital Management LLC10,028
0.0% of portfolio›$242
Two Sigma Advisers, LP10,012
0.0% of portfolio›$241
Ancora Advisors LLCA10,000
0.0% of portfolio›$241
Paloma Partners Management Co10,000
0.0% of portfolio›$241
Amalgamated Bank9,696
0.0% of portfolio›$234
Nuveen Asset Management, LLC9,481
0.0% of portfolio›$228
Bank of America Corp9,139
0.0% of portfolio›$221
Profund Advisors LLC8,880
0.0% of portfolio›$214
Wells Fargo & Company8,423
0.0% of portfolio›$203
Concept Capital Markets, LLC8,000
0.0% of portfolio›$193
Seven Eight Capital, LLC5,800
0.0% of portfolio›$140
Bank of Montreal2,810
0.0% of portfolio›$68
BlackRock Inc.2,695
0.0% of portfolio›$65
Teacher Retirement System of Texas2,532
0.0% of portfolio›$61
Dimensional Fund Advisors LP2,429
0.0% of portfolio›$59
Canada Life Assurance Co2,031
0.0% of portfolio›$49
Royal Bank of Canada2,000
0.0% of portfolio›$48
BlackRock Japan Co. Ltd1,924
0.0% of portfolio›$46
BNP Paribas Financial Markets1,170
0.0% of portfolio›$28.2K
Ladenburg Thalmann Financial Services Inc1,000
0.0% of portfolio›$24
Ameriprise Financial Inc721
0.0% of portfolio›$17
Creative Planning500
0.0% of portfolio›$12
PNC Financial Services Group, Inc.356
0.0% of portfolio›$9
Tower Research Capital LLC (TRC)60
0.0% of portfolio›$1
StyleTurnoverLocationFiled
Baupost Group LLC
53,331,109$1.3M20.7%Deep ValueMediumBoston, MA2014-08-14
Vanguard Group Inc
7,184,612$173.1K0.0%N/AN/AValley Forge, PA2014-08-11
FMR LLC
5,105,411$123.0K0.0%GrowthMediumBoston, MA2014-08-14
BlackRock Fund Advisors
4,378,059$105.5K0.0%N/AN/ASan Francisco, CA2014-08-06
BlackRock Institutional Trust Company, N.A.
3,659,731$88.2K0.0%N/AN/ASan Francisco, CA2014-08-06
Brookside Capital Management LLC
3,364,623$81.1K0.0%N/AN/ABoston, MA2014-08-13
AQR Capital Management LLC
3,025,872$72.9K0.0%ValueMediumGreenwich, CT2014-08-14
State Street Corp
2,468,665$59.5K0.0%IndexVery LowBoston, MA2014-08-12
Sarissa Capital Management LPActivist
2,000,000$48.2K16.4%Deep ValueVery LowGreenwich, CT2014-08-14
Morgan Stanley
1,660,196$40.0K0.0%CoreLowNew York, NY2014-08-12
Invesco Ltd.
1,469,771$35.4K0.0%GrowthLowAtlanta, GA2014-08-14
12 West Capital Management LP
1,431,480$34.5K0.2%GARPMediumNew York, NY2014-08-14
Price T Rowe Associates Inc
1,404,444$33.8K0.0%GrowthMediumBaltimore, MD2014-09-24
Barclays PLC
1,402,950$33.7K0.0%CoreMediumLondon, United Kingdom2014-08-14
Northern Trust Corp
1,285,915$31.0K0.0%IndexVery LowChicago, IL2014-08-14
Adage Capital Partners GP, L.L.C.
1,182,107$28.5K0.0%CoreMediumBoston, MA2014-09-04
JPMorgan Chase & Co
1,134,747$27.3K0.0%GrowthMediumNew York, NY2014-09-03
Angelo Gordon & Co., L.P.
1,000,000$24.1K0.0%GARPMediumNew York, NY2014-08-14
Glazer Capital, LLC
981,058$23.6K9.3%Deep ValueVery HighNew York, NY2014-08-12
Taconic Capital Advisors LP
900,000$21.7K0.0%YieldVery HighNew York, NY2014-08-14
Farallon Capital Management, L.L.C.
840,000$20.2K0.2%GrowthMediumSan Francisco, CA2014-08-14
Macquarie Group LTD
800,000$19.3K0.0%CoreMediumSydney, Nsw 2000, China2014-08-14
Oxford Asset Management LLP
686,376$16.6K0.0%ValueVery HighOxford, United Kingdom2016-06-02
Geode Capital Management, LLC
642,163$15.5K0.0%IndexVery LowBoston, MA2014-08-13
Alpine Associates Advisors
618,900$14.9K0.1%N/AN/ACresskill, NJ2014-08-14
Goldman Sachs Group Inc
602,888$14.5K0.0%CoreMediumNew York, NY2014-08-14
Gabelli Funds LLC
600,474$14.5K0.0%ValueLowRye, NY2014-08-06
Gabelli & Co Investment Advisers, Inc.
584,480$14.1K1.4%MomentumVery HighRye, NY2014-08-06
Carlson Capital, L.P.
575,000$13.9K0.0%YieldHighDallas, TX2014-08-13
D. E. Shaw & Co., Inc.
569,817$13.7K0.0%GARPHighNew York, NY2014-08-14
Bank of New York Mellon Corp
548,058$13.2K0.0%CoreLowNew York, NY2016-04-01
TIG Advisors, LLC
544,028$13.1K0.6%Deep ValueVery HighNew York, NY2014-08-14
SG Americas Securities, LLC
529,579$12.8K0.0%GrowthHighNew York, NY2014-08-13
Commonwealth of Pennsylvania Public School Empls Retrmt SYS
510,204$12.3K0.0%CoreLowHarrisburg, PA2014-08-14
Longfellow Investment Management Co LLC
500,000$12.1K2.3%YieldMediumBoston, MA2014-08-13
Bridger Management, LLC
474,800$11.4K0.0%CoreHighNew York, NY2014-08-14
Tiaa Cref Investment Management LLC
445,926$10.7K0.0%N/AN/ANew York, NY2014-08-13
Omers Administration Corp
371,800$9.0K0.1%CoreHighToronto, Australia2014-08-11
Pentwater Capital Management LP
370,000$8.9K0.0%ValueVery HighNaples, FL2014-08-14
Allianz Asset Management GmbH
340,000$8.2K0.0%CoreMediumMunich, Hong Kong2014-08-13
BlackRock Investment Management, LLC
328,762$7.9K0.0%N/AN/APrinceton, NJ2014-08-06
Susquehanna International Group, LLP
304,096$7.3K0.0%GrowthHighBala Cynwyd, PA2014-08-14
Charles Schwab Investment Management Inc
301,591$7.3K0.0%IndexVery LowSan Francisco, CA2014-07-30
Alyeska Investment Group, L.P.
300,000$7.2K0.0%CoreVery HighChicago, IL2015-11-19
Guggenheim Capital LLC
293,962$7.1K0.0%CoreLowChicago, IL2014-08-14
Havens Advisors LLC
251,000$6.0K4.4%N/AN/ANew York, NY2014-07-16
CQS Cayman LP
250,001$6.0K0.3%N/AN/ACamana Bay, Grand Cayman, Germany2014-08-11
California State Teachers Retirement System
214,577$5.2K0.0%IndexVery LowWest Sacramento, CA2014-08-13
Alliancebernstein L.P.
211,520$5.1K0.0%GrowthMediumNashville, TN2014-08-13
Wolverine Asset Management LLC
192,054$4.6K0.0%Deep ValueVery HighChicago, IL2014-08-13
Ontario Teachers Pension Plan Board
175,000$4.2K0.0%YieldMediumToronto, Australia2014-08-14
Teachers Advisors Inc
165,313$4.0K0.0%N/AN/ANew York, NY2014-08-13
ProShare Advisors LLC
148,727$3.6K0.0%GrowthLowBethesda, MD2014-08-08
Gamco Investors, Inc. ET AL
142,184$3.4K0.0%ValueLowGreenwich, CT2014-08-06
California Public Employees Retirement System
127,400$3.1K0.0%GrowthLowSacramento, CA2014-08-14
BlackRock Advisors LLC
125,101$3.0K0.0%N/AN/AWilmington, DE2014-08-06
Prelude Capital Management, LLC
110,928$2.7K0.0%Deep ValueVery HighNew York, NY2014-08-14
Parametric Portfolio Associates LLC
109,418$2.6K0.0%N/AN/ASeattle, WA2014-08-12
Gardner Lewis Asset Management L P
109,275$2.6K0.0%CoreVery HighChadds Ford, PA2014-08-14
Credit Suisse AG/
102,160$2.5K0.0%N/AN/AZurich, Switzerland2014-08-11
Rhumbline Advisers
100,491$2.4K0.0%IndexVery LowBoston, MA2014-08-06
State Board of Administration of Florida Retirement System
97,390$2.3K0.0%IndexVery LowTallahassee, FL2014-08-07
Rhenman & Partners Asset Management AB
97,100$2.3K0.0%CoreHighStockholm, Sweden2014-07-31
Metropolitan Life Insurance Co
91,880$2.2K0.0%ETFVery LowNew York, NY2014-08-18
Nationwide Fund Advisors
90,248$2.2K0.0%ETFVery LowColumbus, OH2014-08-11
Deutsche Bank Ag\
89,580$2.2K0.0%CoreMediumFrankfurt Am Main, Hong Kong2014-08-15
Swiss National Bank
86,600$2.1K0.0%IndexVery LowZurich, Switzerland2014-08-06
DekaBank Deutsche Girozentrale
86,500$2.1K0.0%CoreLowFrankfurt, Hong Kong2014-08-08
Jane Street Group, LLC
82,964$2.0K0.0%CoreVery HighNew York, NY2014-08-14
Citigroup Inc
82,286$2.0K0.0%CoreMediumNew York, NY2014-08-14
American Century Companies Inc
81,560$2.0K0.0%GARPMediumKansas City, MO2014-08-04
UBS AG
80,677$1.9K0.0%N/AN/AStamford, CT2014-08-14
Laurion Capital Management LP
80,000$1.9K0.0%GrowthVery HighNew York, NY2014-08-14
American International Group, Inc.
76,942$1.9M0.0%Agg GrowthVery LowNew York, NY2014-08-08
Manufacturers Life Insurance Company, the
75,889$1.8K0.0%GARPMediumToronto, Australia2014-09-15
Alpine Global Management, LLC
72,013$1.7K0.0%YieldVery HighNew York, NY2014-08-14
Voya Investment Management LLC
70,320$1.7K0.0%GrowthMediumAtlanta, GA2014-08-13
Harvard Management Co Inc
70,000$1.7K0.0%Agg GrowthMediumBoston, MA2014-08-08
Strs Ohio
64,900$1.6K0.0%CoreMediumColumbus, OH2014-07-24
General American Investors Co Inc
61,369$1.5K0.0%CoreLowNew York, NY2014-08-01
Millennium Management LLC
54,100$1.3K0.0%CoreVery HighNew York, NY2014-08-14
Cowen Group, Inc.
50,815$1.2K0.0%N/AN/ANew York, NY2014-08-14
Fairfax Financial Holdings LTD/ CAN
50,400$1.2K0.0%Deep ValueMediumToronto, Australia2014-08-13
Airain ltd
44,700$1.1K0.0%N/AN/ASt. Peter Port, Uruguay2014-08-05
Credit Agricole S A
41,890$1.0K0.0%GrowthMediumMontrouge Cedex, India2014-08-12
BlackRock Group LTD
41,331$9960.0%N/AN/ALondon, United Kingdom2014-08-06
Group One Trading LLC
37,953$9150.0%ValueVery HighChicago, IL2014-08-12
Panagora Asset Management Inc
37,435$9020.0%CoreMediumBoston, MA2014-08-14
UBS Asset Management Americas LLC
36,496$8800.0%GrowthLowNew York, NY2014-08-13
Nomura Holdings Inc
31,049$7480.0%GrowthHighTokyo, Mexico2014-08-13
Aris Wealth Services, Inc.
30,000$7230.0%N/AN/AState College, PA2014-07-14
Taurus Asset Management, LLC
30,000$7230.0%GrowthVery LowNew York, NY2014-08-14
Prudential Financial Inc
26,873$6480.0%CoreMediumNewark, NJ2014-08-13
Peak6 Investments, L.P.
23,600$5690.0%N/AN/AChicago, IL2014-08-15
Loeb Offshore Management LP
23,172$5580.0%N/AN/ANew York,, NY2014-08-14
Wilmington Funds Management Corp
22,956$5530.0%N/AN/AWilmington, DE2014-08-13
Nine Chapters Capital Management LLC
19,500$4700.0%N/AN/AShort Hills, NJ2014-08-14
Principal Financial Group Inc
18,370$4430.0%CoreLowDes Moines, IA2014-08-12
First New York Securities LLC
17,900$431.4K0.4%N/AN/ANew York, NY2014-08-18
KCG Holdings, Inc.
15,631$3770.0%N/AN/AJersey City, NJ2014-08-14
TFS Capital LLC
15,147$3650.0%N/AN/AWest Chester, PA2014-07-21
Oppenheimer Funds Inc
14,127$3400.0%N/AN/ANew York, NY2014-08-08
Citadel Advisors LLC
14,069$3390.0%CoreVery HighMiami, FL2015-06-26
TD Asset Management Inc
13,000$3130.0%CoreLowToronto, Australia2014-08-12
Capstone Investment Advisors, LLC
12,500$3010.0%GrowthVery HighNew York, NY2014-08-18
Ameritas Investment Partners, Inc.
10,531$2540.0%CoreLowLincoln, NE2014-08-14
RidgeWorth Capital Management LLC
10,028$2420.0%N/AN/AAtlanta, GA2014-07-31
Two Sigma Advisers, LP
10,012$2410.0%GrowthHighNew York, NY2016-02-09
Ancora Advisors LLCActivist
10,000$2410.0%ValueMediumCleveland, OH2014-07-31
Paloma Partners Management Co
10,000$2410.0%GARPVery HighGreenwich, CT2014-08-14
Amalgamated Bank
9,696$2340.0%CoreVery LowNew York, NY2014-08-11
Nuveen Asset Management, LLC
9,481$2280.0%GrowthLowChicago, IL2014-08-14
Bank of America Corp
9,139$2210.0%CoreLowCharlotte, NC2014-08-14
Profund Advisors LLC
8,880$2140.0%GrowthLowBethesda, MD2014-08-08
Wells Fargo & Company
8,423$2030.0%CoreLowSan Francisco, CA2014-08-29
Concept Capital Markets, LLC
8,000$1930.0%N/AN/AGarden City, NY2014-08-08
Seven Eight Capital, LLC
5,800$1400.0%ValueVery HighNew York, NY2014-08-14
Bank of Montreal
2,810$680.0%CoreLowToronto, Australia2014-08-14
BlackRock Inc.
2,695$650.0%N/AN/ANew York, NY2014-08-06
Teacher Retirement System of Texas
2,532$610.0%GrowthMediumAustin, TX2014-08-05
Dimensional Fund Advisors LP
2,429$590.0%IndexLowAustin, TX2014-08-08
Canada Life Assurance Co
2,031$490.0%IndexVery LowWinnipeg, Argentina2015-06-23
Royal Bank of Canada
2,000$480.0%CoreLowToronto, Australia2014-08-14
BlackRock Japan Co. Ltd
1,924$460.0%N/AN/ATokyo, Mexico2014-08-06
BNP Paribas Financial Markets
1,170$28.2K0.0%CoreMediumParis, India2014-08-14
Ladenburg Thalmann Financial Services Inc
1,000$240.0%N/AN/AMiami, FL2014-08-14
Ameriprise Financial Inc
721$170.0%CoreMediumMinneapolis, MN2014-08-13
Creative Planning
500$120.0%IndexVery LowOverland Park, KS2014-08-20
PNC Financial Services Group, Inc.
356$90.0%GrowthVery LowPittsburgh, PA2014-08-08
Tower Research Capital LLC (TRC)
60$10.0%GARPVery HighNew York, NY2014-08-14