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Optimer Pharmaceuticals Inc

CUSIP: 68401H104 | 141 institutional holders

Quarters

Q3 2013Q2 2013Q1 2013Q4 2012Q2 2012
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Institutional Holders — Q3 2013

Water Island Capital LLC2,939,810
1.4% of portfolio›$37.0K
Vanguard Group Inc2,719,946
0.0% of portfolio›$34.3K
FMR LLC2,642,094
0.0% of portfolio›$33.3K
Price T Rowe Associates Inc2,466,300
0.0% of portfolio›$31.1K
State Street Corp2,226,347
0.0% of portfolio›$28.1K
Alpine Associates Advisors2,213,127
1.1% of portfolio›$27.9K
BlackRock Fund Advisors2,070,787
0.0% of portfolio›$26.1K
Jefferies Group LLC1,600,000
0.0% of portfolio›$20.1K
Morgan Stanley1,473,360
0.0% of portfolio›$18.6K
BlackRock Institutional Trust Company, N.A.1,472,312
0.0% of portfolio›$18.5K
BB Biotech AG1,422,200
0.1% of portfolio›$17.9K
Carlson Capital, L.P.1,177,400
0.2% of portfolio›$14.8K
JET Capital Investors L P1,027,589
0.9% of portfolio›$12.9K
AQR Capital Management LLC1,000,000
0.0% of portfolio›$12.6K
Gabelli & Co Investment Advisers, Inc.796,617
1.1% of portfolio›$10.0K
Longfellow Investment Management Co LLC757,000
1.5% of portfolio›$9.5K
Longfellow Investment Management Co LLC757,000
1.5% of portfolio›$9.5K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS707,012
0.0% of portfolio›$8.9K
QVT Financial LP577,566
0.0% of portfolio›$7.3K
Susquehanna International Group, LLP566,565
0.0% of portfolio›$7.1K
Northern Trust Corp552,985
0.0% of portfolio›$7.0K
AXA S.A.512,816
0.0% of portfolio›$6.5K
Sector Gamma AS376,393
0.0% of portfolio›$4.7K
D. E. Shaw & Co., Inc.349,857
0.0% of portfolio›$4.4K
Voya Investment Management LLC334,946
0.0% of portfolio›$4.2K
Standard Investments LLC256,160
0.1% of portfolio›$3.2K
Paloma Partners Management Co250,000
0.0% of portfolio›$3.2K
Geode Capital Management, LLC223,628
0.0% of portfolio›$2.8K
Tiaa Cref Investment Management LLC220,089
0.0% of portfolio›$2.8K
Grantham, Mayo, Van Otterloo & Co. LLC207,000
0.0% of portfolio›$2.6K
Millennium Management LLC205,549
0.0% of portfolio›$2.6K
Moore Capital Management, LP200,000
0.0% of portfolio›$2.5K
Group One Trading LLC197,153
0.0% of portfolio›$2.5K
Allianz Asset Management GmbH164,050
0.0% of portfolio›$2.1K
First Eagle Investment Management, LLC160,100
0.0% of portfolio›$2.0K
Silverback Asset Management LLC158,684
0.2% of portfolio›$2.0K
BlackRock Investment Management, LLC138,061
0.0% of portfolio›$1.7K
Nine Chapters Capital Management LLC135,700
0.0% of portfolio›$1.7K
Gabelli Funds LLC130,000
0.0% of portfolio›$1.6K
Charles Schwab Investment Management Inc124,643
0.0% of portfolio›$1.6K
Polar Asset Management Partners Inc.114,846
0.0% of portfolio›$1.4K
Ameriprise Financial Inc111,103
0.0% of portfolio›$1.4K
Goldman Sachs Group Inc104,513
0.0% of portfolio›$1.3K
Norges Bank95,877
0.0% of portfolio›$1.2K
Alliancebernstein L.P.91,656
0.0% of portfolio›$1.2K
Wellington Management Group LLP90,900
0.0% of portfolio›$1.1K
California State Teachers Retirement System87,568
0.0% of portfolio›$1.1K
Zurcher Kantonalbank (Zurich Cantonalbank)80,000
0.0% of portfolio›$1.0K
Deutsche Bank Ag\75,820
0.0% of portfolio›$954
Teachers Advisors Inc66,682
0.0% of portfolio›$840
J. Goldman & Co LP65,066
0.0% of portfolio›$819
State Board of Administration of Florida Retirement System60,111
0.0% of portfolio›$757
TD Asset Management Inc51,200
0.0% of portfolio›$645
Walleye Trading LLC49,641
0.0% of portfolio›$625
Rhumbline Advisers49,175
0.0% of portfolio›$620
California Public Employees Retirement System48,230
0.0% of portfolio›$608
ProShare Advisors LLC47,950
0.0% of portfolio›$604
Swiss National Bank46,200
0.0% of portfolio›$582
Metropolitan Life Insurance Co39,304
0.0% of portfolio›$495
Nationwide Fund Advisors38,821
0.0% of portfolio›$489
Manufacturers Life Insurance Company, the37,833
0.0% of portfolio›$476
UBS AG36,897
0.0% of portfolio›$464
American International Group, Inc.35,159
0.0% of portfolio›$443.0K
Oppenheimer & Co Inc33,000
0.0% of portfolio›$415
Credit Suisse AG/31,123
0.0% of portfolio›$392
BlackRock Advisors LLC30,304
0.0% of portfolio›$382
A.R.T. Advisors, LLC30,286
0.0% of portfolio›$381
JPMorgan Chase & Co29,998
0.0% of portfolio›$378
DekaBank Deutsche Girozentrale27,000
0.0% of portfolio›$340
Touradji Capital Management, LP25,000
1.0% of portfolio›$315
Credit Agricole S A24,000
0.0% of portfolio›$302
Public Employees Retirement Association of Colorado22,500
0.0% of portfolio›$284
Gamco Investors, Inc. ET AL20,000
0.0% of portfolio›$252
Harvest Management LLC20,000
0.1% of portfolio›$252
Catalyst Capital Advisors LLC20,000
0.0% of portfolio›$252
UBS Asset Management Americas LLC18,198
0.0% of portfolio›$229
Parametric Portfolio Associates LLC17,071
0.0% of portfolio›$215
BlackRock Group LTD15,859
0.0% of portfolio›$200
Prelude Capital Management, LLC15,118
0.0% of portfolio›$190
Cowen Group, Inc.13,581
0.0% of portfolio›$171
KCG Holdings, Inc.13,527
0.0% of portfolio›$170
BNP Paribas Financial Markets13,269
0.0% of portfolio›$167.1K
SG Americas Securities, LLC11,128
0.0% of portfolio›$140
Tudor Investment Corp ET AL11,000
0.0% of portfolio›$138
Citigroup Inc10,456
0.0% of portfolio›$132
Peak6 Investments, L.P.8,400
0.0% of portfolio›$106
Russell Frank Co/7,429
0.0% of portfolio›$94
Teacher Retirement System of Texas6,223
0.0% of portfolio›$78
IndexIQ Advisors LLC6,185
0.0% of portfolio›$78
Barclays PLC2,625
0.0% of portfolio›$32
BlackRock Inc.1,575
0.0% of portfolio›$20
Tower Research Capital LLC (TRC)1,571
0.0% of portfolio›$20
Invesco Ltd.768
0.0% of portfolio›$10
Dimensional Fund Advisors LP600
0.0% of portfolio›$8
WealthTrust Fairport, LLC500
0.0% of portfolio›$6
Ladenburg Thalmann Financial Services Inc500
0.0% of portfolio›$6
Brinton Eaton, LLC325
0.0% of portfolio›$4
Spot Trading L.l.c235
0.0% of portfolio›$3
Aviance Capital Management, LLC184
0.0% of portfolio›$2
StyleTurnoverLocationFiled
Water Island Capital LLC
2,939,810$37.0K1.4%Deep ValueVery HighNew York, NY2013-11-14
Vanguard Group Inc
2,719,946$34.3K0.0%N/AN/AValley Forge, PA2013-11-07
FMR LLC
2,642,094$33.3K0.0%GrowthMediumBoston, MA2013-11-14
Price T Rowe Associates Inc
2,466,300$31.1K0.0%GrowthMediumBaltimore, MD2013-11-14
State Street Corp
2,226,347$28.1K0.0%IndexVery LowBoston, MA2013-11-12
Alpine Associates Advisors
2,213,127$27.9K1.1%N/AN/ACresskill, NJ2013-11-12
BlackRock Fund Advisors
2,070,787$26.1K0.0%N/AN/ASan Francisco, CA2013-11-12
Jefferies Group LLC
1,600,000$20.1K0.0%N/AN/ANew York, NY2013-11-18
Morgan Stanley
1,473,360$18.6K0.0%CoreLowNew York, NY2013-11-13
BlackRock Institutional Trust Company, N.A.
1,472,312$18.5K0.0%N/AN/ASan Francisco, CA2013-11-12
BB Biotech AG
1,422,200$17.9K0.1%N/AN/ASchaffhausen, Switzerland2013-11-12
Carlson Capital, L.P.
1,177,400$14.8K0.2%YieldHighDallas, TX2013-11-14
JET Capital Investors L P
1,027,589$12.9K0.9%GARPVery LowNew York, NY2013-11-13
AQR Capital Management LLC
1,000,000$12.6K0.0%ValueMediumGreenwich, CT2013-11-14
Gabelli & Co Investment Advisers, Inc.
796,617$10.0K1.1%MomentumVery HighRye, NY2013-11-07
Longfellow Investment Management Co LLC
757,000$9.5K1.5%YieldMediumBoston, MA2013-10-24
Longfellow Investment Management Co LLC
757,000$9.5K1.5%YieldMediumBoston, MA2013-10-24
Commonwealth of Pennsylvania Public School Empls Retrmt SYS
707,012$8.9K0.0%CoreLowHarrisburg, PA2013-11-12
QVT Financial LP
577,566$7.3K0.0%Deep ValueMediumNew York, NY2013-11-14
Susquehanna International Group, LLP
566,565$7.1K0.0%GrowthHighBala Cynwyd, PA2013-11-13
Northern Trust Corp
552,985$7.0K0.0%IndexVery LowChicago, IL2013-11-13
AXA S.A.
512,816$6.5K0.0%GARPLowParis, India2013-11-13
Sector Gamma AS
376,393$4.7K0.0%ValueMediumOslo, Norway2013-12-16
D. E. Shaw & Co., Inc.
349,857$4.4K0.0%GARPHighNew York, NY2013-11-20
Voya Investment Management LLC
334,946$4.2K0.0%GrowthMediumAtlanta, GA2013-11-14
Standard Investments LLC
256,160$3.2K0.1%ValueLowNew York, NY2013-11-14
Paloma Partners Management Co
250,000$3.2K0.0%GARPVery HighGreenwich, CT2013-11-14
Geode Capital Management, LLC
223,628$2.8K0.0%IndexVery LowBoston, MA2013-11-14
Tiaa Cref Investment Management LLC
220,089$2.8K0.0%N/AN/ANew York, NY2013-11-12
Grantham, Mayo, Van Otterloo & Co. LLC
207,000$2.6K0.0%CoreMediumBoston, MA2013-11-14
Millennium Management LLC
205,549$2.6K0.0%CoreVery HighNew York, NY2013-11-14
Moore Capital Management, LP
200,000$2.5K0.0%GARPVery HighNew York, NY2013-11-14
Group One Trading LLC
197,153$2.5K0.0%ValueVery HighChicago, IL2013-11-15
Allianz Asset Management GmbH
164,050$2.1K0.0%CoreMediumMunich, Hong Kong2013-11-14
First Eagle Investment Management, LLC
160,100$2.0K0.0%ValueMediumNew York, NY2013-11-13
Silverback Asset Management LLC
158,684$2.0K0.2%Agg GrowthMediumDurham, NC2013-11-14
BlackRock Investment Management, LLC
138,061$1.7K0.0%N/AN/APrinceton, NJ2013-11-12
Nine Chapters Capital Management LLC
135,700$1.7K0.0%N/AN/AShort Hills, NJ2013-11-14
Gabelli Funds LLC
130,000$1.6K0.0%ValueLowRye, NY2013-11-07
Charles Schwab Investment Management Inc
124,643$1.6K0.0%IndexVery LowSan Francisco, CA2013-11-14
Polar Asset Management Partners Inc.
114,846$1.4K0.0%ValueVery HighToronto, Australia2013-11-14
Ameriprise Financial Inc
111,103$1.4K0.0%CoreMediumMinneapolis, MN2013-11-14
Goldman Sachs Group Inc
104,513$1.3K0.0%CoreMediumNew York, NY2013-11-14
Norges Bank
95,877$1.2K0.0%CoreN/AOslo, Norway2014-11-14
Alliancebernstein L.P.
91,656$1.2K0.0%GrowthMediumNashville, TN2013-11-14
Wellington Management Group LLP
90,900$1.1K0.0%CoreMediumBoston, MA2013-11-14
California State Teachers Retirement System
87,568$1.1K0.0%IndexVery LowWest Sacramento, CA2013-11-18
Zurcher Kantonalbank (Zurich Cantonalbank)
80,000$1.0K0.0%CoreLowZurich, Switzerland2015-05-06
Deutsche Bank Ag\
75,820$9540.0%CoreMediumFrankfurt Am Main, Hong Kong2013-11-18
Teachers Advisors Inc
66,682$8400.0%N/AN/ANew York, NY2013-11-12
J. Goldman & Co LP
65,066$8190.0%ValueVery HighNew York, NY2013-11-14
State Board of Administration of Florida Retirement System
60,111$7570.0%IndexVery LowTallahassee, FL2013-11-06
TD Asset Management Inc
51,200$6450.0%CoreLowToronto, Australia2013-11-08
Walleye Trading LLC
49,641$6250.0%GARPVery HighNew York, NY2013-11-14
Rhumbline Advisers
49,175$6200.0%IndexVery LowBoston, MA2013-11-05
California Public Employees Retirement System
48,230$6080.0%GrowthLowSacramento, CA2013-11-12
ProShare Advisors LLC
47,950$6040.0%GrowthLowBethesda, MD2013-11-07
Swiss National Bank
46,200$5820.0%IndexVery LowZurich, Switzerland2013-10-29
Metropolitan Life Insurance Co
39,304$4950.0%ETFVery LowNew York, NY2013-10-31
Nationwide Fund Advisors
38,821$4890.0%ETFVery LowColumbus, OH2013-11-06
Manufacturers Life Insurance Company, the
37,833$4760.0%GARPMediumToronto, Australia2013-11-14
UBS AG
36,897$4640.0%N/AN/AStamford, CT2013-11-13
American International Group, Inc.
35,159$443.0K0.0%Agg GrowthVery LowNew York, NY2013-11-07
Oppenheimer & Co Inc
33,000$4150.0%CoreLowNew York, NY2013-11-01
Credit Suisse AG/
31,123$3920.0%N/AN/AZurich, Switzerland2013-11-13
BlackRock Advisors LLC
30,304$3820.0%N/AN/AWilmington, DE2013-11-12
A.R.T. Advisors, LLC
30,286$3810.0%N/AN/ANew York, NY2013-11-14
JPMorgan Chase & Co
29,998$3780.0%GrowthMediumNew York, NY2013-10-31
DekaBank Deutsche Girozentrale
27,000$3400.0%CoreLowFrankfurt, Hong Kong2013-11-12
Touradji Capital Management, LP
25,000$3151.0%N/AN/ANew York, NY2013-10-28
Credit Agricole S A
24,000$3020.0%GrowthMediumMontrouge Cedex, India2013-11-13
Public Employees Retirement Association of Colorado
22,500$2840.0%GrowthLowDenver, CO2013-11-08
Gamco Investors, Inc. ET AL
20,000$2520.0%ValueLowGreenwich, CT2013-11-07
Harvest Management LLC
20,000$2520.1%ValueVery HighNew York, NY2013-11-12
Catalyst Capital Advisors LLC
20,000$2520.0%ETFVery LowSan Juan, PR2013-11-14
UBS Asset Management Americas LLC
18,198$2290.0%GrowthLowNew York, NY2013-11-08
Parametric Portfolio Associates LLC
17,071$2150.0%N/AN/ASeattle, WA2013-10-18
BlackRock Group LTD
15,859$2000.0%N/AN/ALondon, United Kingdom2013-11-12
Prelude Capital Management, LLC
15,118$1900.0%Deep ValueVery HighNew York, NY2013-11-14
Cowen Group, Inc.
13,581$1710.0%N/AN/ANew York, NY2013-11-25
KCG Holdings, Inc.
13,527$1700.0%N/AN/AJersey City, NJ2013-11-12
BNP Paribas Financial Markets
13,269$167.1K0.0%CoreMediumParis, India2013-11-13
SG Americas Securities, LLC
11,128$1400.0%GrowthHighNew York, NY2013-11-12
Tudor Investment Corp ET AL
11,000$1380.0%CoreHighStamford, CT2013-11-14
Citigroup Inc
10,456$1320.0%CoreMediumNew York, NY2013-11-14
Peak6 Investments, L.P.
8,400$1060.0%N/AN/AChicago, IL2013-11-21
Russell Frank Co/
7,429$940.0%N/AN/ASeattle, WA2013-10-29
Teacher Retirement System of Texas
6,223$780.0%GrowthMediumAustin, TX2013-11-06
IndexIQ Advisors LLC
6,185$780.0%N/AN/ARye Brook, NY2013-11-05
Barclays PLC
2,625$320.0%CoreMediumLondon, United Kingdom2013-11-14
BlackRock Inc.
1,575$200.0%N/AN/ANew York, NY2013-11-12
Tower Research Capital LLC (TRC)
1,571$200.0%GARPVery HighNew York, NY2013-11-06
Invesco Ltd.
768$100.0%GrowthLowAtlanta, GA2013-11-13
Dimensional Fund Advisors LP
600$80.0%IndexLowAustin, TX2013-11-13
WealthTrust Fairport, LLC
500$60.0%N/AN/ACleveland, OH2013-10-28
Ladenburg Thalmann Financial Services Inc
500$60.0%N/AN/AMiami, FL2013-11-14
Brinton Eaton, LLC
325$40.0%N/AN/AMadison, NJ2013-11-14
Spot Trading L.l.c
235$30.0%N/AN/AChicago, IL2013-11-08
Aviance Capital Management, LLC
184$20.0%N/AN/ASarasota, FL2013-10-24