Cubist Pharmaceuticals Inc RT

Q4 2014 vs Q1 2015

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options 13D/13G Peers Targeting Trading Summary Profile

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California Public Employees Retirement System

UNCHANGED

Shares46,100 from 46,100

Change0 (0%)

Value$3 ($0)

Filed 2015-08-17

Aristeia Capital, L.L.C.

CLOSED

Shares0 from 4,360,334

Change-4,360,334 (-100%)

Value$0 (-$174)

Filed 2015-05-15

Alpine Associates Management Inc.

CLOSED

Shares0 from 4,273,460

Change-4,273,460 (-100%)

Value$0 (-$171)

Filed 2015-05-13

Water Island Capital LLC

CLOSED

Shares0 from 2,950,869

Change-2,950,869 (-100%)

Value$0 (-$118.0K)

Filed 2015-05-13

Morgan Stanley

CLOSED

Shares0 from 1,794,817

Change-1,794,817 (-100%)

Value$0 (-$72)

Filed 2015-05-14

Jefferies Group LLC

CLOSED

Shares0 from 1,735,024

Change-1,735,024 (-100%)

Value$0 (-$69)

Filed 2015-05-18

Hudson Bay Capital Management LP

CLOSED

Shares0 from 1,526,900

Change-1,526,900 (-100%)

Value$0 (-$61)

Filed 2015-05-13

Commonwealth of Pennsylvania Public School Empls Retrmt SYS

CLOSED

Shares0 from 1,431,210

Change-1,431,210 (-100%)

Value$0 (-$57)

Filed 2015-05-13

Oxford Asset Management LLP

CLOSED

Shares0 from 1,419,063

Change-1,419,063 (-100%)

Value$0 (-$57)

Filed 2016-08-19

Carlson Capital, L.P.

CLOSED

Shares0 from 1,334,393

Change-1,334,393 (-100%)

Value$0 (-$53)

Filed 2015-05-14

Davidson Kempner Capital Management LP

CLOSED

Shares0 from 1,215,444

Change-1,215,444 (-100%)

Value$0 (-$38)

Filed 2016-02-16

BB Biotech AG

CLOSED

Shares0 from 876,273

Change-876,273 (-100%)

Value$0 (-$35)

Filed 2015-05-14

Gabelli & Co Investment Advisers, Inc.

CLOSED

Shares0 from 781,917

Change-781,917 (-100%)

Value$0 (-$31)

Filed 2015-05-01

Pacific Alternative Asset Management Company, LLC

CLOSED

Shares0 from 684,950

Change-684,950 (-100%)

Value$0 (-$27)

Filed 2015-05-15

FMR LLC

CLOSED

Shares0 from 635,000

Change-635,000 (-100%)

Value$0 (-$25)

Filed 2015-05-14

QVT Financial LP

CLOSED

Shares0 from 572,366

Change-572,366 (-100%)

Value$0 (-$18)

Filed 2015-05-15

Standard Investments LLC

CLOSED

Shares0 from 531,390

Change-531,390 (-100%)

Value$0 (-$21)

Filed 2015-05-15

Price T Rowe Associates Inc

CLOSED

Shares0 from 343,650

Change-343,650 (-100%)

Value$0 (-$14)

Filed 2015-06-11

AXA S.A.

CLOSED

Shares0 from 285,076

Change-285,076 (-100%)

Value$0 (-$11)

Filed 2015-05-13

Grantham, Mayo, Van Otterloo & Co. LLC

CLOSED

Shares0 from 207,000

Change-207,000 (-100%)

Value$0 (-$8)

Filed 2015-05-14

Bank of America Corp

CLOSED

Shares0 from 201,500

Change-201,500 (-100%)

Value$0 (-$8)

Filed 2015-05-15

Deltec Asset Management LLC

CLOSED

Shares0 from 200,000

Change-200,000 (-100%)

Value$0 (-$8)

Filed 2015-05-01

Yakira Capital Management, Inc.

CLOSED

Shares0 from 196,892

Change-196,892 (-100%)

Value$0 (-$8)

Filed 2015-05-13

Ameriprise Financial Inc

CLOSED

Shares0 from 188,062

Change-188,062 (-100%)

Value$0 (-$8)

Filed 2015-05-14

Avoro Capital Advisors LLC

CLOSED

Shares0 from 141,688

Change-141,688 (-100%)

Value$0 (-$6)

Filed 2015-05-15

Gabelli Funds LLC

CLOSED

Shares0 from 131,300

Change-131,300 (-100%)

Value$0 (-$5)

Filed 2015-05-01

First Eagle Investment Management, LLC

CLOSED

Shares0 from 131,300

Change-131,300 (-100%)

Value$0 (-$5)

Filed 2015-05-07

Citadel Advisors LLC

CLOSED

Shares0 from 131,061

Change-131,061 (-100%)

Value$0 (-$5)

Filed 2015-11-09

UBS Group AG

CLOSED

Shares0 from 111,690

Change-111,690 (-100%)

Value$0 (-$4)

Filed 2015-05-14

CSS LLC

CLOSED

Shares0 from 101,797

Change-101,797 (-100%)

Value$0 (-$4)

Filed 2015-05-15

Alliancebernstein L.P.

CLOSED

Shares0 from 91,656

Change-91,656 (-100%)

Value$0 (-$4)

Filed 2015-05-13

SG Americas Securities, LLC

CLOSED

Shares0 from 88,430

Change-88,430 (-100%)

Value$0 (-$4)

Filed 2015-05-13

California State Teachers Retirement System

CLOSED

Shares0 from 87,568

Change-87,568 (-100%)

Value$0 (-$4)

Filed 2015-05-07

Deutsche Bank Ag\

CLOSED

Shares0 from 81,758

Change-81,758 (-100%)

Value$0 (-$3)

Filed 2015-05-15

Citigroup Inc

CLOSED

Shares0 from 79,214

Change-79,214 (-100%)

Value$0 (-$3)

Filed 2015-05-14

Wellington Management Group LLP

CLOSED

Shares0 from 78,500

Change-78,500 (-100%)

Value$0 (-$3)

Filed 2015-05-15

Goldman Sachs Group Inc

CLOSED

Shares0 from 69,646

Change-69,646 (-100%)

Value$0 (-$3)

Filed 2016-03-15

American International Group, Inc.

CLOSED

Shares0 from 33,659

Change-33,659 (-100%)

Value$0 (-$1.3K)

Filed 2015-05-14

Northern Trust Corp

CLOSED

Shares0 from 33,168

Change-33,168 (-100%)

Value$0 (-$2)

Filed 2015-05-14

Manufacturers Life Insurance Company, the

CLOSED

Shares0 from 33,084

Change-33,084 (-100%)

Value$0 (-$2)

Filed 2015-08-27

Oppenheimer & Co Inc

CLOSED

Shares0 from 32,817

Change-32,817 (-100%)

Value$0 (-$1)

Filed 2015-05-08

Apis Capital Advisors, LLC

CLOSED

Shares0 from 28,498

Change-28,498 (-100%)

Value$0 (-$1)

Filed 2015-05-14

Catalyst Capital Advisors LLC

CLOSED

Shares0 from 20,000

Change-20,000 (-100%)

Value$0 (-$1)

Filed 2015-05-15

State of Wisconsin Investment Board

CLOSED

Shares0 from 19,900

Change-19,900 (-100%)

Value$0 (-$1)

Filed 2015-05-11

Gamco Investors, Inc. ET AL

CLOSED

Shares0 from 15,000

Change-15,000 (-100%)

Value$0 (-$1)

Filed 2015-05-01

Wells Fargo & Company

CLOSED

Shares0 from 15,000

Change-15,000 (-100%)

Value$0 (-$1)

Filed 2015-05-12

Tiaa Cref Investment Management LLC

CLOSED

Shares0 from 13,858

Change-13,858 (-100%)

Value$0 (-$1)

Filed 2015-05-05

Parametric Portfolio Associates LLC

CLOSED

Shares0 from 13,832

Change-13,832 (-100%)

Value$0 (-$1)

Filed 2015-05-18

KCG Holdings, Inc.

CLOSED

Shares0 from 10,609

Change-10,609 (-100%)

Value$0 ($0)

Filed 2015-05-15

Ancora Advisors LLCA

CLOSED

Shares0 from 8,000

Change-8,000 (-100%)

Value$0 (-$805)

Filed 2015-05-15

Credit Suisse AG/

CLOSED

Shares0 from 4,482

Change-4,482 (-100%)

Value$0 ($0)

Filed 2015-05-06

Guggenheim Capital LLC

CLOSED

Shares0 from 3,694

Change-3,694 (-100%)

Value$0 ($0)

Filed 2015-05-18

Adamant Biomedical Investments AG

N/A

Shares— from 80,000

Change-80,000 (-100%)

Value—

	Status
California Public Employees Retirement System	UNCHANGED	46,100	46,100	0	0%	$3	$3	$0	2015-08-17
Aristeia Capital, L.L.C.	CLOSED	0	4,360,334	-4,360,334	-100%	$174	$0	-$174	2015-05-15
Alpine Associates Management Inc.	CLOSED	0	4,273,460	-4,273,460	-100%	$171	$0	-$171	2015-05-13
Water Island Capital LLC	CLOSED	0	2,950,869	-2,950,869	-100%	$118.0K	$0	-$118.0K	2015-05-13
Morgan Stanley	CLOSED	0	1,794,817	-1,794,817	-100%	$72	$0	-$72	2015-05-14
Jefferies Group LLC	CLOSED	0	1,735,024	-1,735,024	-100%	$69	$0	-$69	2015-05-18
Hudson Bay Capital Management LP	CLOSED	0	1,526,900	-1,526,900	-100%	$61	$0	-$61	2015-05-13
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	CLOSED	0	1,431,210	-1,431,210	-100%	$57	$0	-$57	2015-05-13
Oxford Asset Management LLP	CLOSED	0	1,419,063	-1,419,063	-100%	$57	$0	-$57	2016-08-19
Carlson Capital, L.P.	CLOSED	0	1,334,393	-1,334,393	-100%	$53	$0	-$53	2015-05-14
Davidson Kempner Capital Management LP	CLOSED	0	1,215,444	-1,215,444	-100%	$38	$0	-$38	2016-02-16
BB Biotech AG	CLOSED	0	876,273	-876,273	-100%	$35	$0	-$35	2015-05-14
Gabelli & Co Investment Advisers, Inc.	CLOSED	0	781,917	-781,917	-100%	$31	$0	-$31	2015-05-01
Pacific Alternative Asset Management Company, LLC	CLOSED	0	684,950	-684,950	-100%	$27	$0	-$27	2015-05-15
FMR LLC	CLOSED	0	635,000	-635,000	-100%	$25	$0	-$25	2015-05-14
QVT Financial LP	CLOSED	0	572,366	-572,366	-100%	$18	$0	-$18	2015-05-15
Standard Investments LLC	CLOSED	0	531,390	-531,390	-100%	$21	$0	-$21	2015-05-15
Price T Rowe Associates Inc	CLOSED	0	343,650	-343,650	-100%	$14	$0	-$14	2015-06-11
AXA S.A.	CLOSED	0	285,076	-285,076	-100%	$11	$0	-$11	2015-05-13
Grantham, Mayo, Van Otterloo & Co. LLC	CLOSED	0	207,000	-207,000	-100%	$8	$0	-$8	2015-05-14
Bank of America Corp	CLOSED	0	201,500	-201,500	-100%	$8	$0	-$8	2015-05-15
Deltec Asset Management LLC	CLOSED	0	200,000	-200,000	-100%	$8	$0	-$8	2015-05-01
Yakira Capital Management, Inc.	CLOSED	0	196,892	-196,892	-100%	$8	$0	-$8	2015-05-13
Ameriprise Financial Inc	CLOSED	0	188,062	-188,062	-100%	$8	$0	-$8	2015-05-14
Avoro Capital Advisors LLC	CLOSED	0	141,688	-141,688	-100%	$6	$0	-$6	2015-05-15
Gabelli Funds LLC	CLOSED	0	131,300	-131,300	-100%	$5	$0	-$5	2015-05-01
First Eagle Investment Management, LLC	CLOSED	0	131,300	-131,300	-100%	$5	$0	-$5	2015-05-07
Citadel Advisors LLC	CLOSED	0	131,061	-131,061	-100%	$5	$0	-$5	2015-11-09
UBS Group AG	CLOSED	0	111,690	-111,690	-100%	$4	$0	-$4	2015-05-14
CSS LLC	CLOSED	0	101,797	-101,797	-100%	$4	$0	-$4	2015-05-15
Alliancebernstein L.P.	CLOSED	0	91,656	-91,656	-100%	$4	$0	-$4	2015-05-13
SG Americas Securities, LLC	CLOSED	0	88,430	-88,430	-100%	$4	$0	-$4	2015-05-13
California State Teachers Retirement System	CLOSED	0	87,568	-87,568	-100%	$4	$0	-$4	2015-05-07
Deutsche Bank Ag\	CLOSED	0	81,758	-81,758	-100%	$3	$0	-$3	2015-05-15
Citigroup Inc	CLOSED	0	79,214	-79,214	-100%	$3	$0	-$3	2015-05-14
Wellington Management Group LLP	CLOSED	0	78,500	-78,500	-100%	$3	$0	-$3	2015-05-15
Goldman Sachs Group Inc	CLOSED	0	69,646	-69,646	-100%	$3	$0	-$3	2016-03-15
American International Group, Inc.	CLOSED	0	33,659	-33,659	-100%	$1.3K	$0	-$1.3K	2015-05-14
Northern Trust Corp	CLOSED	0	33,168	-33,168	-100%	$2	$0	-$2	2015-05-14
Manufacturers Life Insurance Company, the	CLOSED	0	33,084	-33,084	-100%	$2	$0	-$2	2015-08-27
Oppenheimer & Co Inc	CLOSED	0	32,817	-32,817	-100%	$1	$0	-$1	2015-05-08
Apis Capital Advisors, LLC	CLOSED	0	28,498	-28,498	-100%	$1	$0	-$1	2015-05-14
Catalyst Capital Advisors LLC	CLOSED	0	20,000	-20,000	-100%	$1	$0	-$1	2015-05-15
State of Wisconsin Investment Board	CLOSED	0	19,900	-19,900	-100%	$1	$0	-$1	2015-05-11
Gamco Investors, Inc. ET AL	CLOSED	0	15,000	-15,000	-100%	$1	$0	-$1	2015-05-01
Wells Fargo & Company	CLOSED	0	15,000	-15,000	-100%	$1	$0	-$1	2015-05-12
Tiaa Cref Investment Management LLC	CLOSED	0	13,858	-13,858	-100%	$1	$0	-$1	2015-05-05
Parametric Portfolio Associates LLC	CLOSED	0	13,832	-13,832	-100%	$1	$0	-$1	2015-05-18
KCG Holdings, Inc.	CLOSED	0	10,609	-10,609	-100%	$0	$0	$0	2015-05-15
Ancora Advisors LLCA	CLOSED	0	8,000	-8,000	-100%	$805	$0	-$805	2015-05-15
Credit Suisse AG/	CLOSED	0	4,482	-4,482	-100%	$0	$0	$0	2015-05-06
Guggenheim Capital LLC	CLOSED	0	3,694	-3,694	-100%	$0	$0	$0	2015-05-18
Adamant Biomedical Investments AG	N/A	—	80,000	-80,000	-100%	$3	—	—	—

Showing 53 of 53 institutions