Macrogenics MGNX Institutional Ownership

NASDAQ MGNX

$3.86 +0.09 (+2.39%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

124 Institutions

Increased 74 59.7%

Unchanged 21 16.9%

Reduced 29 23.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

77.01%

▲+8.98 pp QoQ

Shares Held by Institutions

48.98Mn

of 63.59Mn outstanding

▲+18.11% QoQ

Shares Outstanding

63.59Mn

14.62Mn held outside 13F filers

Institutional Investors

124

filed 13F for Jun 2026

▲+15 vs prior quarter

Net Shares Added (QoQ)

+7.51Mn

accumulated since last quarter

Value of Holdings

$189.05Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Macrogenics Inc (NASDAQ:MGNX) is held by 124 institutional investors per 13F filings through June 2026.

They owned 77.0% of outstanding stock in June 2026, up from 68.0% the prior quarter.
Their total shares held in MGNX increased 18.11% quarter over quarter, and separately, investors owning Macrogenics increased 11.71% from a year ago.
Of these 124 holders, 74 added to their stakes in Macrogenics, 29 trimmed positions, and 21 made no changes.
Institutional investors collectively held 48.98Mn shares in Macrogenics as of June 2026, up by 7.51Mn shares quarter on quarter, and up 1.24Mn shares year over year.
ARMISTICE CAPITAL, LLC is the top holder of Macrogenics as of June 30, 2026, with 5.01Mn shares representing 7.87% of outstanding stock.
The largest buyers of Macrogenics for the quarter ending June 2026 were BlackRock, Inc. (3.52Mn), MACKENZIE FINANCIAL CORP (1.05Mn), GEODE CAPITAL MANAGEMENT, LLC (879.23K), Affinity Asset Advisors, LLC (716.61K), VANGUARD PORTFOLIO MANAGEMENT LLC (611.46K).
The largest sellers of Macrogenics for the quarter ending June 2026 were ARMISTICE CAPITAL, LLC (1.01Mn), CITADEL ADVISORS LLC (602.78K), JANE STREET GROUP, LLC (524.65K), MILLENNIUM MANAGEMENT LLC (420.06K), MARSHALL WACE, LLP (409.31K).
Per Business Quant, the top 10 investors in MGNX for the quarter ending June 2026 include ARMISTICE CAPITAL, LLC (5.01Mn), BlackRock, Inc. (4.68Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.66Mn), RENAISSANCE TECHNOLOGIES LLC (2.63Mn), ACADIAN ASSET MANAGEMENT LLC (2.54Mn), Bank Of America Corp /De/ (2.49Mn), TWO SIGMA INVESTMENTS, LP (2.47Mn), MILLENNIUM MANAGEMENT LLC (2.37Mn), WASATCH ADVISORS LP (2.02Mn), RA CAPITAL MANAGEMENT, L.P. (1.86Mn).

Form 13F Holdings

124 Institutional Holders

Report period 30 Jun, 2026

Total shares held 48.98Mn

Of outstanding 77.01%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	ARMISTICE CAPITAL, LLC	0001601086	5,006,752	7.87%	▼1,005,248	-16.72%	$23.13Mn
2	BlackRock, Inc.	0002012383	4,679,229	7.36%	▲3,516,083	+302.29%	$21.62Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,656,010	4.18%	▲2,157	+0.08%	$12.27Mn
4	RENAISSANCE TECHNOLOGIES LLC	0001037389	2,632,750	4.14%	▼330,809	-11.16%	$12.16Mn
5	ACADIAN ASSET MANAGEMENT LLC	0000916542	2,542,643	4.00%	▼1,357	-0.05%	$11.74K
6	Bank Of America Corp /De/	0000070858	2,488,252	3.91%	▲86,438	+3.60%	$11.50Mn
7	TWO SIGMA INVESTMENTS, LP	0001179392	2,465,699	3.88%	▼62,130	-2.46%	$11.39Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	2,374,296	3.73%	▼420,061	-15.03%	$10.97Mn
9	WASATCH ADVISORS LP	0000814133	2,018,881	3.17%	▲459,180	+29.44%	$9.33Mn
10	RA CAPITAL MANAGEMENT, L.P.	0001346824	1,864,176	2.93%	0	0.00%	$8.61Mn
11	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,820,231	2.86%	▲611,456	+50.58%	$8.41Mn
12	MACKENZIE FINANCIAL CORP	0000919859	1,642,626	2.58%	▲1,045,184	+174.94%	$7.59Mn
13	MARSHALL WACE, LLP	0001318757	1,616,220	2.54%	▼409,306	-20.21%	$7.47Mn
14	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,576,549	2.48%	▲879,228	+126.09%	$7.29Mn
15	Affinity Asset Advisors, LLC	0001773195	1,216,606	1.91%	▲716,606	+143.32%	$5.62Mn
16	D. E. Shaw & Co., Inc.	0001009207	1,062,991	1.67%	▲4,567	+0.43%	$4.91Mn
17	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	1,002,274	1.58%	▲561,131	+127.20%	$4.63Mn
18	Connor, Clark & Lunn Investment Management Ltd.	0001596800	1,000,412	1.57%	▲133,163	+15.35%	$4.62Mn
19	State Street Corp	0000093751	863,663	1.36%	▲569,976	+194.08%	$3.99Mn
20	Goldman Sachs Group Inc	0000886982	558,001	0.88%	▲284,523	+104.04%	$2.58Mn

Showing 1 to 20 of 124 holders