13F Insight
DOSSIER · 13F Holders · Q2 2026
MGNX

MACROGENICS INC

119 institutions still hold MACROGENICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 556099109·119 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$123M
visible holders
Holders
119
filers reporting
Concentration
17.60%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

119 institutions reported MGNX in Q2 2026. BlackRock, Inc. leads at 17.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$22M4.7M0.00%Q2 202602
ARMISTICE CAPITAL, LLC
CIK 0001601086
$17M6.0M0.31%Q1 202603
WASATCH ADVISORS LP
CIK 0000814133
$9M2.0M0.06%Q2 202604
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$9M3.0M0.01%Q1 202605
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$8M2.8M0.00%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$8M2.7M0.00%Q1 202607
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$7M2.5M0.01%Q1 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$7M2.5M0.01%Q1 202609
BANK OF AMERICA CORP /DE/
CIK 0000070858
$7M2.4M0.00%Q1 202610
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$5M1.9M0.06%Q1 202611
STATE STREET CORP
CIK 0000093751
$4M864K0.00%Q2 202612
Vanguard Portfolio Management
CIK 0002100121· Index
$3M1.2M0.00%Q1 202613
Connor, Clark & Lunn Investment Management Ltd.
CIK 0001596800
$3M867K0.01%Q1 202614
MARSHALL WACE, LLP
CIK 0001318757
$2M1.3M0.00%Q4 202515
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$2M697K0.00%Q1 202616
TWO SIGMA ADVISERS, LP
CIK 0001478735
$2M1.2M0.00%Q4 202517
Walleye Capital LLC
CIK 0001758720
$2M411K0.01%Q2 202618
CITADEL ADVISORS LLC
CIK 0001423053
$2M1.1M0.00%Q4 202519
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M609K0.00%Q1 202620
DIADEMA PARTNERS LP
CIK 0002026172
$2M600K0.29%Q1 2026
Page 1 of 6
99 more holders available. Log in →
Insiders at MACROGENICS INC
Koenig Scott →Spitznagel Thomas →Risser Eric Blasius →Karrels James →Peters Jeffrey Stuart →Smith Beth Ann →Bonvini Ezio →