Macrogenics Inc (MGNX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

34,631,953Shares Outstanding

3,397,216Shares held by institutions

$5,775,267Value of institutional holdings

83.65%Institutional ownership %

6.20%Shares Changed QoQ

130No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 83 institutional investors hold a position in Macrogenics Inc (NASDAQ:MGNX).

Macrogenics saw its institutional ownership percentage fell to 63.3% in December 2025 from 73.7% in September 2025.
The company experienced a 27.27% quarterly change in institutional shares held, alongside a decrease of 35.16% in total owners annually.
The latest 13F cycle for Macrogenics reveals that of 83 total investors, 39 funds grew their exposure, whereas 25 reduced theirs and 19 made no changes.
The aggregate institutional position in Macrogenics now stands at 39.47Mn shares as of December 2025, after investors increased their holdings (up by 8.46Mn shares quarter on quarter which is down 16.72Mn shares year over year).
The top institutional stake in Macrogenics as of December 31, 2025 belongs to ARMISTICE CAPITAL, LLC, which owns 6.32Mn shares, or 10.15% of the company.
Among the most significant buyers of Macrogenics during December 2025 were Jefferies Financial Group Inc. (1.84Mn), BANK OF AMERICA CORP /DE/ (1.63Mn), RENAISSANCE TECHNOLOGIES LLC (1.21Mn), MARSHALL WACE, LLP (655.03K), TWO SIGMA INVESTMENTS, LP (562.38K).
Leading sellers of Macrogenics stock in December 2025 included MORGAN STANLEY (828.22K), JPMORGAN CHASE & CO (749.49K), BlackRock, Inc. (386.05K), WASATCH ADVISORS LP (163.93K), DIMENSIONAL FUND ADVISORS LP (157.81K).
The top 10 institutional holders of Macrogenics for the quarter ending December 2025 included ARMISTICE CAPITAL, LLC (6.32Mn), VANGUARD GROUP INC (4.23Mn), RENAISSANCE TECHNOLOGIES LLC (2.91Mn), ACADIAN ASSET MANAGEMENT LLC (2.52Mn), MILLENNIUM MANAGEMENT LLC (1.97Mn), Jefferies Financial Group Inc. (1.84Mn), BANK OF AMERICA CORP /DE/ (1.84Mn), WASATCH ADVISORS LP (1.79Mn), MARSHALL WACE, LLP (1.28Mn), JANE STREET GROUP, LLC (1.25Mn).

83 Institutional Holders

3,397,216 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
ARMISTICE CAPITAL, LLC	31 Dec, 2025	6,324,000	364,000	6.11%	$10,181,640.00
VANGUARD GROUP INC	31 Dec, 2025	4,226,941	2,707	0.06%	$6,805,375.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	2,908,631	1,207,408	70.97%	$4,682,896.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	2,518,410	863	0.03%	$4,047.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,974,480	-142,390	-6.73%	$3,178,913.00
Jefferies Financial Group Inc.	31 Dec, 2025	1,841,172	1,841,172	0.00%	$2,964,287.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	1,837,720	1,628,274	777.42%	$2,958,729.00
WASATCH ADVISORS LP	31 Dec, 2025	1,786,356	-163,931	-8.41%	$2,876,033.00
MARSHALL WACE, LLP	31 Dec, 2025	1,284,563	655,028	104.05%	$2,068,147.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,254,923	408,229	48.21%	$2,020,426.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	1,195,000	446,400	59.63%	$1,923,950.00
BlackRock, Inc.	31 Dec, 2025	1,152,649	-386,045	-25.09%	$1,855,766.00
CITADEL ADVISORS LLC	31 Dec, 2025	1,035,153	541,622	109.74%	$1,666,596.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	999,474	562,383	128.66%	$1,609,153.00
JACOBS LEVY EQUITY MANAGEMENT, INC	31 Dec, 2025	901,057	85,192	10.44%	$1,450,702.00
Connor, Clark & Lunn Investment Management Ltd.	31 Dec, 2025	818,820	108,212	15.23%	$1,318,300.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	756,647	534,447	240.53%	$1,218,201.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	655,300	-2,221	-0.34%	$1,055,444.00
GSA CAPITAL PARTNERS LLP	31 Dec, 2025	511,004	450,203	740.45%	$823.00
Affinity Asset Advisors, LLC	31 Dec, 2025	484,308	484,308	0.00%	$779,736.00

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