13F Insight
DOSSIER · 13F Holders · Q1 2026Consumer Cyclical · Guided Missiles & Space Vehicles & PartsMost-boughtAI cap-ex
RKLB

ROCKET LAB CORP

904 institutions still hold ROCKET LAB CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 773121108·Guided Missiles & Space Vehicles & Parts·904 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.5%
vs prior quarter
13F value held
$16.2B
55.0% inst. owned
of float
Holders
904
+72 QoQ
filers reporting
Activity
+47 / −113
+980 added · −800 reduced
this quarter
Concentration
15.03%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

904 institutions reported RKLB in Q1 2026. BlackRock, Inc. leads at 15.0% of the visible book. +72 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.4B38.0M0.04%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$1.7B25.7M0.09%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.6B24.3M0.04%Q1 202604
UBS Group AG
CIK 0001610520
$1.2B19.4M0.19%Q1 202605
BAILLIE GIFFORD & CO
CIK 0001088875
$1.2B18.4M1.21%Q1 202606
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$960M15.0M0.12%Q1 202607
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$913M14.2M0.10%Q1 202608
STATE STREET CORP
CIK 0000093751
$894M13.9M0.03%Q1 202609
CITADEL ADVISORS LLC
CIK 0001423053
$855M12.3M0.13%Q4 202510
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$683M10.6M0.04%Q1 202611
JPMORGAN CHASE & CO
CIK 0000019617
$613M10.7M0.04%Q1 202612
D. E. Shaw & Co., Inc.
CIK 0001009207
$567M8.1M0.31%Q4 202513
Capital World Investors
CIK 0001422849
$465M7.2M0.06%Q1 202614
Capital International Investors
CIK 0001562230
$430M6.7M0.10%Q1 202615
Defiance ETFs, LLC
CIK 0001732541
$361M5.6M5.17%Q1 202616
MORGAN STANLEY
CIK 0000895421
$346M5.4M0.02%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$300M4.7M0.03%Q1 202618
BANK OF AMERICA CORP /DE/
CIK 0000070858
$291M4.5M0.02%Q1 202619
FMR LLC
CIK 0000315066
$237M3.7M0.01%Q1 202620
Invesco Ltd.
CIK 0000914208
$231M3.6M0.04%Q1 2026
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