DOSSIER · 13F Holders · Q1 2026Mega-capCrowded
RCKT

Rocket Pharmaceuticals Inc

208 institutions still hold Rocket Pharmaceuticals Inc as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 77313f106·208 13F holders·last filed Mar 31, 2026
Market cap
0.1%
vs prior quarter
13F value held
$272M
64.0% inst. owned
of float
Holders
208
+94 QoQ
filers reporting
Activity
+101 / −9
+872 added · −881 reduced
this quarter
Concentration
23.31%
RTW INVESTMENTS, LP #1
top holder share
AI Holders Summary · Q1 2026

208 institutions reported RCKT in Q1 2026. RTW INVESTMENTS, LP leads at 23.3% of the visible book. +94 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
RTW INVESTMENTS, LP
CIK 0001493215
$63M17.7M0.63%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$28M7.8M0.00%Q1 2026
03
CITIGROUP INC
CIK 0000831001
$18M5.1M0.01%Q1 2026
04
Vanguard Portfolio Management
CIK 0002100121
$17M4.7M0.00%Q1 2026
05
STATE STREET CORP
CIK 0000093751
$16M4.5M0.00%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$14M3.8M0.00%Q1 2026
07
MAVERICK CAPITAL LTD
CIK 0000934639
$13M3.6M0.15%Q1 2026
08
Newtyn Management, LLC
CIK 0001569241
$11M3.2M1.21%Q1 2026
09
Nuveen, LLC
CIK 0001871926
$11M3.1M0.00%Q1 2026
10
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$11M3.1M0.00%Q1 2026
11
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$11M3.1M0.01%Q1 2026
12
D. E. Shaw & Co., Inc.
CIK 0001009207
$9M2.6M0.01%Q4 2025
13
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$8M2.2M0.00%Q1 2026
14
Monaco Asset Management SAM
CIK 0001803593
$7M2.1M1.36%Q1 2026
15
MORGAN STANLEY
CIK 0000895421
$7M2.0M0.00%Q1 2026
16
GOLDMAN SACHS GROUP INC
CIK 0000886982
$7M1.9M0.00%Q1 2026
17
TWO SIGMA ADVISERS, LP
CIK 0001478735
$7M1.9M0.01%Q4 2025
18
CITADEL ADVISORS LLC
CIK 0001423053
$5M1.3M0.00%Q4 2025
19
UBS Group AG
CIK 0001610520
$5M1.3M0.00%Q1 2026
20
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$4M1.1M0.00%Q1 2026
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