MacroGenics

MGNX • NASDAQ

MacroGenics is a biotechnology company in the healthcare sector on NASDAQ, led by Eric Risser, with a market cap of $88.6M. As of Q3 2025, 73% of shares are held by 102 institutional investors, with Bellevue Group AG as the largest holder at 15.69%.

President and Chief Executive OfficerEric Risser

Market Cap$88.6M

Biotechnology

Healthcare

Employees339.0

Websitemacrogenics.com

Country

United States of America

Overview

Overview of institutional ownership in MGNX as of Q3 2025 with a market cap of $106.2M

All Institutions

Institutions: 102
Value Held: $77.3M
Shares Held: 46.0M
Avg Position: $757.6K
Median Position: $64.7K

Hedge Funds

Hedge Funds: 17
Value Held: $22.9M
Shares Held: 13.6M
Avg Position: $1.3M
Median Position: $516.4K

Ownership Breakdown

Institutional (non-HF)

51.25%

$54.4M

Hedge Funds

21.53%

$22.9M

Retail & Other

27.22%

$28.9M

Based on market cap of $106.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MGNX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B Bellevue Group AG Institution	-	$16.7M 0.35% of portfolio	15.69% 9.9M shares	Q1 2016 Held for 9y 8m	$4.8B
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short	Steven Joseph Boyd Managing Partner	$10.0M 0.32% of portfolio	9.43% 6.0M shares	Q4 2021 Held for 3y 11m	$3.2B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$7.1M 0.00% of portfolio	6.68% 4.2M shares	Q4 2013 Held for 11y 11m	$6.69T
Frazier Life Sciences Management, L.P. Venture Capital	James Newman Topper Managing Partner	$5.3M 0.16% of portfolio	5.02% 3.2M shares	Q3 2022 Held for 3y 2m	$3.3B
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	Gillian Morna Therese Savage CEO	$4.2M 0.01% of portfolio	3.98% 2.5M shares	Q1 2022 Held for 3y 8m	$51.5B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$3.6M 0.00% of portfolio	3.35% 2.1M shares	Q1 2014 Held for 11y 8m	$121.98B
WASATCH ADVISORS INC Long Only Manager	Michael Kenneth Yeates CEO	$3.3M 0.02% of portfolio	3.09% 2.0M shares	Q1 2017 Held for 8y 8m	$18.6B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$2.9M 0.00% of portfolio	2.69% 1.7M shares	Q1 2022 Held for 3y 8m	$75.8B
B BlackRock, Inc. Institution	-	$2.6M 0.00% of portfolio	2.43% 1.5M shares	Q1 2014 Held for 11y 8m	$5.67T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$1.7M 0.00% of portfolio	1.57% 989.2K shares	Q4 2013 Held for 11y 11m	$1.65T

Net Capital Flow

Institutional buying and selling activity for MGNX in Q3 2025

Traded: −$1.9M
Buyers: 49
Sellers: 49
Total Bought: +$6.5M
Total Sold: −$8.4M
Avg Position: $603.7K

Biggest Buyers

Institution	Net Bought	Current Position
MORGAN STANLEY RIA/Wealth	+$912.3K +543.0K shares	$1.7M 989.2K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$629.5K +374.7K shares	$2.9M 1.7M shares
S Squarepoint Ops LLC Hedge Fund•Quant	+$554.7K +330.2K shares	$647.9K 385.6K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$540.9K +322.0K shares	$829.1K 493.5K shares
Voleon Capital Management LP Hedge Fund•Quant	+$516.4K +307.4K shares	$516.4K 307.4K shares
JPMORGAN CHASE & CO Institution	+$495.8K +295.1K shares	$1.3M 755.2K shares
Marshall Wace LLP Institution	+$375.7K +223.6K shares	$1.1M 629.5K shares
U Universal- Beteiligungs- und Servicegesellschaft mbH Institution	+$352.8K +210.0K shares	$352.8K 210.0K shares
C CANTOR FITZGERALD, L. P. Institution	+$268.8K +160.0K shares	$268.8K 160.0K shares
X XTX Topco Ltd Institution	+$266.2K +158.5K shares	$292.3K 174.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
WASATCH ADVISORS INC Long Only Manager	−$2.2M −1.3M shares	$3.3M 2.0M shares
EcoR1 Capital, LLC Hedge Fund•Sector	−$1.9M −1.6M shares	Sold Off 0 shares
GOLDMAN SACHS GROUP INC Institution	−$738.6K −439.6K shares	$434.6K 258.7K shares
B BlackRock, Inc. Institution	−$468.4K −278.8K shares	$2.6M 1.5M shares
C Cubist Systematic Strategies, LLC Institution	−$408.0K −242.9K shares	$183.5K 109.2K shares
JACOBS LEVY EQUITY MANAGEMENT, INC Hedge Fund•Quant	−$317.4K −188.9K shares	$1.4M 815.9K shares
A Amundi Institution	−$295.7K −214.3K shares	Sold Off 0 shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$274.3K −163.2K shares	$580.9K 345.6K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$265.0K −219.0K shares	Sold Off 0 shares
Woodline Partners LP Hedge Fund•Long/Short	−$228.3K −188.7K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MGNX in Q3 2025

New Positions: 9
New Value: $1.2M
Exited Positions: 24
Exited Value: $3.5M

New Positions

Institution	Position Value
Voleon Capital Management LP Hedge Fund•Quant	$516.4K 307.4K shares
U Universal- Beteiligungs- und Servicegesellschaft mbH Institution	$352.8K 210.0K shares
C CANTOR FITZGERALD, L. P. Institution	$268.8K 160.0K shares
T TWO SIGMA SECURITIES, LLC Institution	$23.0K 13.7K shares
JustInvest LLC Long Only Manager	$17.8K 10.6K shares
Caitong International Asset Management Co., Ltd RIA/Wealth	$223.0 133.0 shares
Rockefeller Capital Management L.P. Long Only Manager	$42.0 25.0 shares
SRS Capital Advisors, Inc. RIA/Wealth	$15.0 9.0 shares
O Optiver Holding B.V. Institution	$3.0 2.0 shares

Exited Positions

Institution	Previous Position
EcoR1 Capital, LLC Hedge Fund•Sector	$1.9M 1.6M shares
A Amundi Institution	$295.7K 214.3K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	$265.0K 219.0K shares
Woodline Partners LP Hedge Fund•Long/Short	$228.3K 188.7K shares
H HRT FINANCIAL LLC Institution	$124.3K 102.7K shares
Aster Capital Management Ltd RIA/Wealth	$106.6K 88.1K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	$91.4K 75.5K shares
V Virtu Financial LLC Institution	$82.0K 67.8K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$71.8K 59.3K shares
STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth	$54.7K 45.2K shares

Options Activity

Institutions with the largest Call and Put options positions in MGNX as of Q3 2025

Call Positions: 2
Call Value: $110.0K
Put Positions: 2
Put Value: $157.8K

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$60.0K 357.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$50.1K 298.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$111.9K 666.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$45.9K 273.0 contracts

Most Committed Institutions

Institutions with MGNX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
B Bellevue Group AG Institution	-	0.35% $16.7M	15.69% 9.9M shares	Q1 2016 Held for 9y 8m	$4.8B
ARMISTICE CAPITAL, LLC Hedge Fund•Long/Short	Steven Joseph Boyd Managing Partner	0.32% $10.0M	9.43% 6.0M shares	Q4 2021 Held for 3y 11m	$3.2B
Frazier Life Sciences Management, L.P. Venture Capital	James Newman Topper Managing Partner	0.16% $5.3M	5.02% 3.2M shares	Q3 2022 Held for 3y 2m	$3.3B
R Rangeley Capital, LLC Hedge Fund•Event Driven	Christopher Clay Demuth Jr. Managing Partner	0.05% $50.8K	0.05% 30.2K shares	Q2 2025 Held for 5 months	$105.5M
Ikarian Capital, LLC Hedge Fund•Event Driven	Neil Tristan Shahrestani CEO	0.03% $134.5K	0.13% 80.1K shares	Q1 2024 Held for 1y 8m	$494.3M
Vestal Point Capital, LP Hedge Fund•Long/Short	Ryan Christopher Wilder CIO	0.02% $470.4K	0.44% 280.0K shares	Q1 2024 Held for 1y 8m	$2.0B
WASATCH ADVISORS INC Long Only Manager	Michael Kenneth Yeates CEO	0.02% $3.3M	3.09% 2.0M shares	Q1 2017 Held for 8y 8m	$18.6B
X XTX Topco Ltd Institution	-	0.02% $292.3K	0.28% 174.0K shares	Q2 2022 Held for 3y 5m	$1.9B
T TANG CAPITAL MANAGEMENT LLC Institution	-	0.01% $367.7K	0.35% 218.9K shares	Q2 2024 Held for 1y 5m	$2.5B
C Catalyst Funds Management Pty Ltd Institution	-	0.01% $91.7K	0.09% 54.6K shares	Q2 2025 Held for 5 months	$658.5M

Hedge Fund Spotlight

Discover hedge funds investing in MGNX

Ikarian Capital, LLC

Hedge Fund • Event Driven

Portfolio ManagerNeil Tristan Shahrestani

Portfolio Value: $494.3M
Positions: 116
Last Reported: Q3 2025

Sector Allocation

Position in MacroGenics

Market Value: $134.5K
Shares Held: 80.1K
Portfolio Weight: 0.03%
Owned Since: 2024-Q1

Top Holding	Sector	Market Value	Weight
1 GMAB Genmab A/S GMAB	Unknown Unknown	$53.0M	10.73%
2 ABVX Abivax ABVX	Unknown Unknown	$33.4M	6.76%
3 Ionis Pharmaceuticals IONS	Biotechnology Healthcare	$27.2M	5.49%

View full profile

MacroGenics

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in MacroGenics

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