Macrogenics Inc (MGNX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

63,283,624Shares Outstanding

40,069,067Shares held by institutions

$136,635,518Value of institutional holdings

63.32%Institutional ownership %

24.02%Shares Changed QoQ

88No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Macrogenics Inc (NASDAQ:MGNX) is held by 88 institutional investors per 13F filings through December 2025.

Their combined ownership stood at 63.0% of outstanding shares in December 2025, down from 74.6% in September 2025.
They increased total shares held in MGNX by 23.99% quarter over quarter, and investors in Macrogenics decreased 31.78% from a year ago.
Activity in MGNX broke down as 43 buyers, 27 sellers, and 18 unchanged among 88 total holders.
Institutional investors collectively held 39.89Mn shares in Macrogenics as of December 2025, up by 7.72Mn shares quarter on quarter, and down 17.48Mn shares year over year.
As of December 31, 2025, ARMISTICE CAPITAL, LLC held the largest stake in Macrogenics with 6.32Mn shares, accounting for 9.99% of total shares outstanding.
The most significant purchases of MGNX for the quarter ending December 2025 came from Jefferies Financial Group Inc. (1.84Mn), Bank Of America Corp /De/ (1.42Mn), RENAISSANCE TECHNOLOGIES LLC (1.21Mn), MARSHALL WACE, LLP (655.03K), TWO SIGMA INVESTMENTS, LP (562.38K).
Leading sellers of Macrogenics shares for the quarter ending December 2025 were Jpmorgan Chase & Co (1.5Mn), Morgan Stanley (828.22K), BlackRock, Inc. (386.04K), WASATCH ADVISORS LP (163.93K), DIMENSIONAL FUND ADVISORS LP (157.81K).
Business Quant data shows the 10 biggest positions in Macrogenics as of December 2025 are held by 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).

88 Institutional Holders

40,069,067 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	1,418,828	338.71%	$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

1 - 20 of 88

Research Tools