DOSSIER · 13F Holders · Q2 2026
RGNX

REGENXBIO INC

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

CUSIP 75901B107·183 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$374M
visible holders
Holders
183
filers reporting
Concentration
20.50%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

183 institutions reported RGNX in Q2 2026. BlackRock, Inc. leads at 20.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$77M6.4M0.00%Q2 2026
02
Redmile Group, LLC
CIK 0001425738
$37M4.4M2.42%Q1 2026
03
STATE STREET CORP
CIK 0000093751
$36M3.0M0.00%Q2 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$26M2.2M0.00%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$25M2.1M0.00%Q2 2026
06
MORGAN STANLEY
CIK 0000895421
$23M2.0M0.00%Q2 2026
07
GOLDMAN SACHS GROUP INC
CIK 0000886982
$17M1.4M0.00%Q2 2026
08
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$17M1.4M0.01%Q2 2026
09
Vanguard Portfolio Management
CIK 0002100121· Index
$16M1.4M0.00%Q2 2026
10
MARSHALL WACE, LLP
CIK 0001318757
$15M1.3M0.01%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$15M1.2M0.00%Q2 2026
12
Integral Health Asset Management, LLC
CIK 0001773206
$10M800K0.38%Q2 2026
13
CITADEL ADVISORS LLC
CIK 0001423053
$9M755K0.00%Q2 2026
14
Nuveen, LLC
CIK 0001871926
$9M740K0.00%Q2 2026
15
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M732K0.00%Q2 2026
16
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$8M670K0.01%Q2 2026
17
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$7M579K0.00%Q2 2026
18
STIFEL FINANCIAL CORP
CIK 0000720672
$7M561K0.01%Q2 2026
19
BANK OF AMERICA CORP /DE/
CIK 0000070858
$6M519K0.00%Q2 2026
20
22NW, LP
CIK 0001694297
$6M493K5.64%Q2 2026
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Insiders at REGENXBIO INC
Chan MitchellMalzahn CraigCiongoli Gregory AustinPakola SteveSimpson CurranZachary JenniferStump David CTasse Daniel