IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Xenoport Inc

CUSIP: 98411C100 | 244 institutional holders

Quarters

Q2 2016Q1 2016Q4 2015Q3 2015Q2 2015
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Institutional Holders — Q2 2016

Deerfield Management Company, L.P.11,572,125
0.1% of portfolio›$81.5K
Baker Bros. Advisors LP3,475,672
0.0% of portfolio›$24.5K
Magnetar Financial LLC2,855,072
0.1% of portfolio›$20.1K
Janus Capital Management LLC2,815,505
0.0% of portfolio›$19.8K
Alpine Associates Management Inc.2,708,948
0.7% of portfolio›$19.1K
BlackRock Fund Advisors2,342,051
0.0% of portfolio›$16.5K
Vanguard Group Inc2,313,593
0.0% of portfolio›$16.3K
Morgan Stanley2,110,415
0.0% of portfolio›$14.9K
Overland Advisors, LLC1,765,495
0.1% of portfolio›$12.4K
BlackRock Institutional Trust Company, N.A.1,644,477
0.0% of portfolio›$11.6K
Water Island Capital LLC1,618,007
0.5% of portfolio›$11.4K
Rock Springs Capital Management LP1,195,000
0.0% of portfolio›$8.4K
D. E. Shaw & Co., Inc.975,834
0.0% of portfolio›$6.9K
State Street Corp955,379
0.0% of portfolio›$6.7K
Sand Grove Capital Management LLP945,000
4.2% of portfolio›$6.6K
Citigroup Inc934,664
0.0% of portfolio›$6.6K
Deutsche Bank Ag\858,229
0.0% of portfolio›$6.0K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS726,970
0.0% of portfolio›$5.1K
GLG Partners LP696,691
0.0% of portfolio›$4.9K
Longfellow Investment Management Co LLC656,595
1.6% of portfolio›$4.6K
Omers Administration Corp633,500
0.0% of portfolio›$4.5K
Northern Trust Corp627,979
0.0% of portfolio›$4.4K
First New York Securities LLC485,378
2.1% of portfolio›$3.4M
K2 Principal Fund, L.P.436,927
0.3% of portfolio›$3.1K
Geode Capital Management, LLC390,861
0.0% of portfolio›$2.8K
S. Muoio & Co. LLC383,763
0.4% of portfolio›$2.7K
Kassirer Asset Management Corp356,711
1.2% of portfolio›$2.5K
Altrinsic Global Advisors LLC356,645
0.0% of portfolio›$2.5K
Bank of New York Mellon Corp297,196
0.0% of portfolio›$2.1K
Tiaa Cref Investment Management LLC294,853
0.0% of portfolio›$2.1K
JPMorgan Chase & Co253,686
0.0% of portfolio›$1.8K
AQR Arbitrage LLC243,917
0.0% of portfolio›$1.7K
BlackRock Investment Management, LLC222,833
0.0% of portfolio›$1.6K
Kennedy Capital Management LLC201,240
0.0% of portfolio›$1.4K
Glazer Capital, LLC199,000
0.2% of portfolio›$1.4K
Norges Bank190,476
0.0% of portfolio›$1.3K
Ameriprise Financial Inc150,809
0.0% of portfolio›$1.1K
Teachers Advisors Inc149,247
0.0% of portfolio›$1.1K
Charles Schwab Investment Management Inc135,300
0.0% of portfolio›$953
NJ State Employees Deferred Compensation Plan130,000
0.0% of portfolio›$915
Gabelli & Co Investment Advisers, Inc.128,000
0.0% of portfolio›$901
Havens Advisors LLC125,000
0.7% of portfolio›$880
California State Teachers Retirement System119,445
0.0% of portfolio›$841
Swiss National Bank116,300
0.0% of portfolio›$819
Oppenheimer Funds Inc110,656
0.0% of portfolio›$779
Credit Suisse AG/107,408
0.0% of portfolio›$756
Berkley W R Corp107,390
0.1% of portfolio›$756
Lombard Odier Asset Management (USA) Corp100,000
0.0% of portfolio›$704
Susquehanna International Group, LLP95,938
0.0% of portfolio›$675
Wolverine Asset Management LLC85,400
0.0% of portfolio›$601
Alliancebernstein L.P.79,153
0.0% of portfolio›$557
Barclays PLC78,683
0.0% of portfolio›$554
Primecap Management Co74,000
0.0% of portfolio›$521
Dupont Capital Management Corp72,500
0.0% of portfolio›$510
Opera Trading Capital70,000
0.0% of portfolio›$493
Rhumbline Advisers68,993
0.0% of portfolio›$486
TFS Capital LLC64,877
0.0% of portfolio›$457
KCG Holdings, Inc.62,093
0.0% of portfolio›$437
Goldman Sachs Group Inc61,804
0.0% of portfolio›$435
IndexIQ Advisors LLC61,593
0.0% of portfolio›$434
ProShare Advisors LLC54,429
0.0% of portfolio›$383
New York State Common Retirement Fund53,700
0.0% of portfolio›$378
UBS Asset Management Americas LLC51,698
0.0% of portfolio›$364
JW Asset Management, LLC50,000
0.2% of portfolio›$352
Metropolitan Life Insurance Co43,296
0.0% of portfolio›$305
Gabelli Funds LLC41,700
0.0% of portfolio›$294
Manufacturers Life Insurance Company, the41,530
0.0% of portfolio›$293
Nationwide Fund Advisors37,139
0.0% of portfolio›$261
Price T Rowe Associates Inc35,000
0.0% of portfolio›$246
Engineers Gate Manager LP34,524
0.0% of portfolio›$243
State Board of Administration of Florida Retirement System34,409
0.0% of portfolio›$242
Stevens Capital Management LP33,786
0.0% of portfolio›$238
American International Group, Inc.32,792
0.0% of portfolio›$230.9K
Gamco Investors, Inc. ET AL32,500
0.0% of portfolio›$229
Zacks Investment Management31,944
0.0% of portfolio›$225
Citadel Advisors LLC29,661
0.0% of portfolio›$209
BlackRock Advisors LLC28,546
0.0% of portfolio›$201
Wells Fargo & Company28,545
0.0% of portfolio›$201
BlackRock Group LTD25,710
0.0% of portfolio›$181
Public Employees Retirement Association of Colorado23,974
0.0% of portfolio›$169
Princeton Alpha Management LP22,219
0.0% of portfolio›$156
Invesco Ltd.19,652
0.0% of portfolio›$138
Prelude Capital Management, LLC18,121
0.0% of portfolio›$128
California Public Employees Retirement System17,500
0.0% of portfolio›$123
Cutler Group LP17,024
0.0% of portfolio›$119
Ancora Advisors LLCA16,000
0.0% of portfolio›$113
Guggenheim Capital LLC12,270
0.0% of portfolio›$86
Renaissance Technologies LLC11,512
0.0% of portfolio›$81
Legal & General Group Plc11,340
0.0% of portfolio›$80
Principal Financial Group Inc10,864
0.0% of portfolio›$76
Bank of America Corp8,640
0.0% of portfolio›$61
Teacher Retirement System of Texas7,568
0.0% of portfolio›$53
BlackRock Inc.5,851
0.0% of portfolio›$40
UBS Group AG4,866
0.0% of portfolio›$34
Walleye Trading LLC4,400
0.0% of portfolio›$31
Canada Life Assurance Co4,199
0.0% of portfolio›$29
Panagora Asset Management Inc3,769
0.0% of portfolio›$26
BNP Paribas Financial Markets2,225
0.0% of portfolio›$15.7K
RPg Family Wealth Advisory, LLC2,000
0.0% of portfolio›$14.1K
Zurcher Kantonalbank (Zurich Cantonalbank)1,585
0.0% of portfolio›$11
Creative Planning1,147
0.0% of portfolio›$8
FNY Managed Accounts LLC800
0.0% of portfolio›$5.6K
PNC Financial Services Group, Inc.436
0.0% of portfolio›$3
Tower Research Capital LLC (TRC)223
0.0% of portfolio›$2
Ladenburg Thalmann Financial Services Inc60
0.0% of portfolio›$0
IFP Advisors, Inc50
0.0% of portfolio›$0
StyleTurnoverLocationFiled
Deerfield Management Company, L.P.
11,572,125$81.5K0.1%YieldMediumNew York, NY2016-08-15
Baker Bros. Advisors LP
3,475,672$24.5K0.0%Agg GrowthVery LowNew York, NY2016-08-15
Magnetar Financial LLC
2,855,072$20.1K0.1%MomentumHighEvanston, IL2017-08-14
Janus Capital Management LLC
2,815,505$19.8K0.0%N/AN/ADenver, CO2016-08-12
Alpine Associates Management Inc.
2,708,948$19.1K0.7%Deep ValueVery HighPalm Beach, FL2016-08-12
BlackRock Fund Advisors
2,342,051$16.5K0.0%N/AN/ASan Francisco, CA2016-08-10
Vanguard Group Inc
2,313,593$16.3K0.0%N/AN/AValley Forge, PA2016-08-10
Morgan Stanley
2,110,415$14.9K0.0%CoreLowNew York, NY2016-08-12
Overland Advisors, LLC
1,765,495$12.4K0.1%N/AN/ASouth San Francisco, CA2016-08-15
BlackRock Institutional Trust Company, N.A.
1,644,477$11.6K0.0%N/AN/ASan Francisco, CA2016-08-10
Water Island Capital LLC
1,618,007$11.4K0.5%Deep ValueVery HighNew York, NY2016-08-15
Rock Springs Capital Management LP
1,195,000$8.4K0.0%Agg GrowthMediumBaltimore, MD2016-08-15
D. E. Shaw & Co., Inc.
975,834$6.9K0.0%GARPHighNew York, NY2016-08-15
State Street Corp
955,379$6.7K0.0%IndexVery LowBoston, MA2016-08-12
Sand Grove Capital Management LLP
945,000$6.6K4.2%MomentumVery HighLondon, United Kingdom2016-08-08
Citigroup Inc
934,664$6.6K0.0%CoreMediumNew York, NY2016-08-12
Deutsche Bank Ag\
858,229$6.0K0.0%CoreMediumFrankfurt Am Main, Hong Kong2016-08-15
Commonwealth of Pennsylvania Public School Empls Retrmt SYS
726,970$5.1K0.0%CoreLowHarrisburg, PA2016-08-11
GLG Partners LP
696,691$4.9K0.0%N/AN/ALondon, United Kingdom2016-08-16
Longfellow Investment Management Co LLC
656,595$4.6K1.6%YieldMediumBoston, MA2016-07-29
Omers Administration Corp
633,500$4.5K0.0%CoreHighToronto, Australia2016-08-11
Northern Trust Corp
627,979$4.4K0.0%IndexVery LowChicago, IL2016-08-12
First New York Securities LLC
485,378$3.4M2.1%N/AN/ANew York, NY2016-07-27
K2 Principal Fund, L.P.
436,927$3.1K0.3%ValueVery HighToronto, Australia2016-08-11
Geode Capital Management, LLC
390,861$2.8K0.0%IndexVery LowBoston, MA2016-08-12
S. Muoio & Co. LLC
383,763$2.7K0.4%N/AN/ANew York, NY2016-08-10
Kassirer Asset Management Corp
356,711$2.5K1.2%N/AN/AToronto, Australia2016-07-27
Altrinsic Global Advisors LLC
356,645$2.5K0.0%Deep ValueMediumStamford, CT2016-08-15
Bank of New York Mellon Corp
297,196$2.1K0.0%CoreLowNew York, NY2016-08-01
Tiaa Cref Investment Management LLC
294,853$2.1K0.0%N/AN/ANew York, NY2016-08-11
JPMorgan Chase & Co
253,686$1.8K0.0%GrowthMediumNew York, NY2016-08-08
AQR Arbitrage LLC
243,917$1.7K0.0%Deep ValueVery HighGreenwich, CT2016-08-15
BlackRock Investment Management, LLC
222,833$1.6K0.0%N/AN/APrinceton, NJ2016-08-10
Kennedy Capital Management LLC
201,240$1.4K0.0%ValueHighSt Louis, MO2016-08-12
Glazer Capital, LLC
199,000$1.4K0.2%Deep ValueVery HighNew York, NY2016-08-15
Norges Bank
190,476$1.3K0.0%CoreN/AOslo, Norway2017-08-09
Ameriprise Financial Inc
150,809$1.1K0.0%CoreMediumMinneapolis, MN2016-08-08
Teachers Advisors Inc
149,247$1.1K0.0%N/AN/ANew York, NY2016-08-11
Charles Schwab Investment Management Inc
135,300$9530.0%IndexVery LowSan Francisco, CA2016-08-18
NJ State Employees Deferred Compensation Plan
130,000$9150.0%N/AN/ATrenton, NJ2016-08-03
Gabelli & Co Investment Advisers, Inc.
128,000$9010.0%MomentumVery HighRye, NY2016-08-04
Havens Advisors LLC
125,000$8800.7%N/AN/ANew York, NY2016-07-13
California State Teachers Retirement System
119,445$8410.0%IndexVery LowWest Sacramento, CA2016-08-01
Swiss National Bank
116,300$8190.0%IndexVery LowZurich, Switzerland2016-08-03
Oppenheimer Funds Inc
110,656$7790.0%N/AN/ANew York, NY2016-08-11
Credit Suisse AG/
107,408$7560.0%N/AN/AZurich, Switzerland2016-08-11
Berkley W R Corp
107,390$7560.1%YieldHighGreenwich, CT2017-08-14
Lombard Odier Asset Management (USA) Corp
100,000$7040.0%ValueHighNew York, NY2016-08-15
Susquehanna International Group, LLP
95,938$6750.0%GrowthHighBala Cynwyd, PA2016-08-15
Wolverine Asset Management LLC
85,400$6010.0%Deep ValueVery HighChicago, IL2016-08-25
Alliancebernstein L.P.
79,153$5570.0%GrowthMediumNashville, TN2016-08-11
Barclays PLC
78,683$5540.0%CoreMediumLondon, United Kingdom2016-08-12
Primecap Management Co
74,000$5210.0%GrowthLowPasadena, CA2016-08-12
Dupont Capital Management Corp
72,500$5100.0%GARPLowWilmington, DE2016-08-02
Opera Trading Capital
70,000$4930.0%N/AN/AParis, India2016-08-11
Rhumbline Advisers
68,993$4860.0%IndexVery LowBoston, MA2016-08-11
TFS Capital LLC
64,877$4570.0%N/AN/AWest Chester, PA2016-08-11
KCG Holdings, Inc.
62,093$4370.0%N/AN/AJersey City, NJ2016-08-12
Goldman Sachs Group Inc
61,804$4350.0%CoreMediumNew York, NY2016-08-15
IndexIQ Advisors LLC
61,593$4340.0%N/AN/ARye Brook, NY2016-08-11
ProShare Advisors LLC
54,429$3830.0%GrowthLowBethesda, MD2016-08-12
New York State Common Retirement Fund
53,700$3780.0%IndexLowAlbany, NY2016-08-10
UBS Asset Management Americas LLC
51,698$3640.0%GrowthLowNew York, NY2016-11-29
JW Asset Management, LLC
50,000$3520.2%MomentumLowMiami Beach, FL2016-08-12
Metropolitan Life Insurance Co
43,296$3050.0%ETFVery LowNew York, NY2016-11-15
Gabelli Funds LLC
41,700$2940.0%ValueLowRye, NY2016-08-04
Manufacturers Life Insurance Company, the
41,530$2930.0%GARPMediumToronto, Australia2016-08-15
Nationwide Fund Advisors
37,139$2610.0%ETFVery LowColumbus, OH2016-08-09
Price T Rowe Associates Inc
35,000$2460.0%GrowthMediumBaltimore, MD2016-08-15
Engineers Gate Manager LP
34,524$2430.0%ValueVery HighNew York, NY2016-08-11
State Board of Administration of Florida Retirement System
34,409$2420.0%IndexVery LowTallahassee, FL2016-08-04
Stevens Capital Management LP
33,786$2380.0%GrowthHighRadnor, PA2016-08-12
American International Group, Inc.
32,792$230.9K0.0%Agg GrowthVery LowNew York, NY2016-08-11
Gamco Investors, Inc. ET AL
32,500$2290.0%ValueLowGreenwich, CT2016-08-04
Zacks Investment Management
31,944$2250.0%CoreLowChicago, IL2016-08-15
Citadel Advisors LLC
29,661$2090.0%CoreVery HighMiami, FL2017-01-31
BlackRock Advisors LLC
28,546$2010.0%N/AN/AWilmington, DE2016-08-10
Wells Fargo & Company
28,545$2010.0%CoreLowSan Francisco, CA2016-08-11
BlackRock Group LTD
25,710$1810.0%N/AN/ALondon, United Kingdom2016-08-10
Public Employees Retirement Association of Colorado
23,974$1690.0%GrowthLowDenver, CO2016-07-28
Princeton Alpha Management LP
22,219$1560.0%N/AN/APrinceton Junction, NJ2016-08-05
Invesco Ltd.
19,652$1380.0%GrowthLowAtlanta, GA2016-08-15
Prelude Capital Management, LLC
18,121$1280.0%Deep ValueVery HighNew York, NY2016-08-15
California Public Employees Retirement System
17,500$1230.0%GrowthLowSacramento, CA2016-10-25
Cutler Group LP
17,024$1190.0%N/AN/ASan Francisco, CA2016-07-12
Ancora Advisors LLCActivist
16,000$1130.0%ValueMediumCleveland, OH2016-08-11
Guggenheim Capital LLC
12,270$860.0%CoreLowChicago, IL2016-08-15
Renaissance Technologies LLC
11,512$810.0%CoreHighNew York, NY2016-08-12
Legal & General Group Plc
11,340$800.0%IndexVery LowLondon, United Kingdom2016-08-16
Principal Financial Group Inc
10,864$760.0%CoreLowDes Moines, IA2016-08-09
Bank of America Corp
8,640$610.0%CoreLowCharlotte, NC2016-08-15
Teacher Retirement System of Texas
7,568$530.0%GrowthMediumAustin, TX2016-08-09
BlackRock Inc.
5,851$400.0%N/AN/ANew York, NY2016-08-10
UBS Group AG
4,866$340.0%CoreMediumZurich, Switzerland2016-08-12
Walleye Trading LLC
4,400$310.0%GARPVery HighNew York, NY2016-08-15
Canada Life Assurance Co
4,199$290.0%IndexVery LowWinnipeg, Argentina2016-08-04
Panagora Asset Management Inc
3,769$260.0%CoreMediumBoston, MA2016-08-15
BNP Paribas Financial Markets
2,225$15.7K0.0%CoreMediumParis, India2016-07-06
RPg Family Wealth Advisory, LLC
2,000$14.1K0.0%GARPMediumBurlington, MA2016-08-15
Zurcher Kantonalbank (Zurich Cantonalbank)
1,585$110.0%CoreLowZurich, Switzerland2016-08-01
Creative Planning
1,147$80.0%IndexVery LowOverland Park, KS2016-07-12
FNY Managed Accounts LLC
800$5.6K0.0%N/AN/ANew York, NY2016-07-27
PNC Financial Services Group, Inc.
436$30.0%GrowthVery LowPittsburgh, PA2016-08-05
Tower Research Capital LLC (TRC)
223$20.0%GARPVery HighNew York, NY2016-08-10
Ladenburg Thalmann Financial Services Inc
60$00.0%N/AN/AMiami, FL2016-08-15
IFP Advisors, Inc
50$00.0%GrowthLowTampa, FL2019-06-03