MACROGENICS INC (MGNX) is held by 71 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is RENAISSANCE TECHNOLOGIES LLC as of Q1 2026.

Are institutions buying or selling MGNX?

In Q1 2026, 44 institutions opened or increased positions in MACROGENICS INC while 19 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MGNX?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MACROGENICS INC.

How many hedge funds hold MGNX?

71 institutional investors report holding MACROGENICS INC (MGNX) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MGNX?

As of Q1 2026, tracked institutions in MACROGENICS INC show 44 buyers versus 19 sellers — net inflows.

MACROGENICS INC

MGNX·556099109·US·Common Stock·Healthcare - Biotechnology-13D/G

Holders

Avg rating(13 Elite)

$91.7M

Total Value

70% (73)

Fund Consensus

44 buying - 19 selling

Smart Money Verdict

View all

Held by 71 funds

13 elite

Who's Trading

Activist

Millennium Management LLC5.4%Jun 5, 2026

ActivistARArmistice Capital, LLC9.5%May 15, 2026

Activist

BANK OF AMERICA CORP /DE/5.1%May 14, 2026

Activist

Millennium Management LLC4.8%May 14, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

ActivistFLFrazier Life Sciences Public Fund, L.P.0.0%Feb 13, 2026

ActivistBABellevue Group AG0.0%Jan 6, 2026

Activist

Wasatch Advisors LP3.1%Nov 12, 2025

InsiderHKHEIDEN WILLIAM KBuy $74KAug 20, 2025

InsiderHKHEIDEN WILLIAM KBuy $77KAug 19, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
RENAISSANCE TECHNOLOGIES LLC	Increased	3M(+1.9%)	$8.6M	0.0%	+104.50%	28
MILLENNIUM MANAGEMENT LLC	Increased	2.8M(+41.5%)	$8.1M	0.0%	+36.53%	37
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.7M	$7.7M	0.0%	+127.89%	38
TWO SIGMA INVESTMENTS, LP	Increased	2.5M(+152.9%)	$7.3M	0.0%	+96.45%	44
BANK OF AMERICA CORP /DE/	Increased	2.4M(+30.7%)	$6.9M	0.0%	+145.86%	35
MWMARSHALL WACE, LLP	Increased	2M(+57.7%)	$5.9M	0.0%	+100.28%	39
RA CAPITAL MANAGEMENT, L.P.	New	1.9M	$5.4M	0.1%	+127.89%	37
WASATCH ADVISORS LP	Decreased	1.6M(-12.7%)	$4.5M	0.0%	-74.84%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.2M	$3.5M	0.0%	+127.89%	37
BlackRock, Inc.	Increased	1.2M(+0.9%)	$3.4M	0.0%	+34.56%	27
DED. E. Shaw & Co., Inc.	Increased	1.1M(+39.9%)	$3.1M	0.0%	+163.14%	35
Connor, Clark & Lunn Investment Management Ltd.	Increased	867,249(+5.9%)	$2.5M	0.0%	-22.39%	28
CITADEL ADVISORS LLC	Decreased	782,618(-24.4%)	$2.3M	0.0%	+177.96%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	697,321(+6.4%)	$2M	0.0%	-65.56%	28
JANE STREET GROUP, LLC	Decreased	608,509(-51.5%)	$1.8M	0.0%	+32.79%	0
MACKENZIE FINANCIAL CORP	Increased	597,442(+187.4%)	$1.7M	0.0%	+143.03%	41
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	452,227(+559.8%)	$1.3M	0.0%	+92.38%	41
JACOBS LEVY EQUITY MANAGEMENT, INC	Decreased	441,143(-51.0%)	$1.3M	0.0%	+35.12%	0
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	Unchanged	420,000	$1.2M	0.0%	+177.56%	0
VFVANGUARD FIDUCIARY TRUST CO	New	340,089	$982,857	0.0%	+127.89%	35