MERRIMACK PHARMACEUTICALS INC (MACK) [Rocket]

Ownership

MERRIMACK PHARMACEUTICALS INC (MACK)

Portfolio as of:

Name	Shares	Change	Value	% Port	% OS	Hist	Date
Newtyn Management, LLC	1,873,694	105,300	23,046,436,000	5.44	13.14	Hist	06/30/2023
Western Standard LLC	1,672,463	0	20,571,295,000	17.72	11.73	Hist	06/30/2023
BlackRock Inc.	676,290	454,037	8,318,367,000	0.00	4.74	Hist	06/30/2023
VANGUARD GROUP INC	556,798	-51,006	6,848,615,000	0.00	3.91	Hist	06/30/2023
Madison Avenue Partners, LP	553,085	0	6,802,946,000	1.48	3.88	Hist	06/30/2023
DIMENSIONAL FUND ADVISORS LP	459,960	-6,180	5,657,508,000	0.00	3.23	Hist	06/30/2023
Sepio Capital, LP	294,545	0	3,622,904,000	0.29	2.07	Hist	06/30/2023
Sio Capital Management, LLC	290,749	290,749	3,576,213,000	0.91	2.04	Hist	06/30/2023
GEODE CAPITAL MANAGEMENT, LLC	243,802	113,638	2,998,764,000	0.00	1.71	Hist	06/30/2023
STATE STREET CORP	174,105	125,249	2,141,492,000	0.00	1.22	Hist	06/30/2023
NORTHERN TRUST CORP	115,992	88,044	1,426,702,000	0.00	0.81	Hist	06/30/2023
Nantahala Capital Management, LLC	111,148	-80,118	1,367,120,000	0.13	0.78	Hist	06/30/2023
Bank of New York Mellon Corp	100,317	25,437	1,233,899,000	0.00	0.70	Hist	06/30/2023
KENNEDY CAPITAL MANAGEMENT, INC.	91,506	91,506	1,125,524,000	0.03	0.64	Hist	06/30/2023
MARSHALL WACE, LLP	87,037	87,037	1,070,555,000	0.00	0.61	Hist	06/30/2023
MORGAN STANLEY	82,685	73,522	1,017,026,000	0.00	0.58	Hist	06/30/2023
Yakira Capital Management, Inc.	64,118	-8,000	788,651,000	0.21	0.45	Hist	06/30/2023
BOOTHBAY FUND MANAGEMENT, LLC	46,437	-70,999	571,175,000	0.01	0.33	Hist	06/30/2023
GOLDMAN SACHS GROUP INC	34,898	34,898	428,896,000	0.00	0.24	Hist	03/31/2023
BRIDGEWAY CAPITAL MANAGEMENT, LLC	34,200	0	420,660,000	0.01	0.24	Hist	06/30/2023
BROWN ADVISORY INC	15,029	0	184,706,000	0.00	0.11	Hist	03/31/2023
Connor, Clark & Lunn Investment Management Ltd.	14,405	14,405	177,182,000	0.00	0.10	Hist	06/30/2023
Nuveen Asset Management, LLC	13,719	13,719	168,744,000			Hist	06/30/2023
RHUMBLINE ADVISERS	12,566	12,566	154,561,000	0.00	0.09	Hist	06/30/2023
FIFTH LANE CAPITAL, LP	10,929	10,929	134,427,000	0.04	0.08	Hist	06/30/2023
MILLENNIUM MANAGEMENT LLC	10,749	-6,236	132,213,000	0.00	0.08	Hist	06/30/2023
Tower Research Capital LLC (TRC)	10,567	9,332	129,974,000	0.00	0.07	Hist	06/30/2023
JPMORGAN CHASE & CO	8,344	8,344	102,631,000	0.00	0.06	Hist	06/30/2023
UBS Group AG	6,559	3,431	80,676,000	0.00	0.05	Hist	06/30/2023
MetLife Investment Management, LLC	5,610	5,610	69,003,000	0.00	0.04	Hist	06/30/2023
AMERICAN INTERNATIONAL GROUP, INC.	5,039	5,039	61,980,000	0.00	0.04	Hist	06/30/2023
Mascoma Wealth Management LLC	5,000	0	61,100,000	0.02	0.04	Hist	06/30/2023
WELLS FARGO & COMPANY/MN	4,446	4,276	54,686,000	0.00	0.03	Hist	06/30/2023
BANK OF AMERICA CORP /DE/	3,815	2,322	46,925,000	0.00	0.03	Hist	06/30/2023
CITADEL ADVISORS LLC	3,697	3,697	45,474,000	0.00	0.03	Hist	06/30/2023
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