How many institutional investors hold RKLB?

5 tracked institutional investors disclosed a position in RKLB (ROCKET LAB CORP) in their most recent 13F filing.

Who is the largest institutional holder of RKLB?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in RKLB, valued at $855M.

Where does this RKLB ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

RKLB — ROCKET LAB CORP

Name: ROCKET LAB CORP (RKLB) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About ROCKET LAB CORP (RKLB)

ROCKET LAB CORP (RKLB) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $855M. Across recent filings, tracked investors recorded 2 new positions, 1 increased, 3 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in RKLB

/100

Mixed Activity

Added / Increased3

Reduced3

Exited0

BearishBullish

Crowded Trade Score™

How many top investors track RKLB

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

RKLB Ownership Composition

How ROCKET LAB CORP is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

81% of tracked value

Institutions

tracked investors

Total Reported

$860.8M

combined 13F value

Other80.8%
Growth Funds16.7%
Hedge Funds2.5%

Other(3)

80.8%

Growth Funds(1)

16.7%

Hedge Funds(1)

2.5%

Tracked investors reporting RKLB

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	9.3M	$596.9M	0.10%	Mar 31, 2026
Cathie Wood	ARK Investment Management	2.2M	$144.1M	1.12%	Mar 31, 2026
Izzy Englander	Millennium Management	1.5M	$97.2M	0.04%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	334.6K	$21.5M	0.03%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	16.7K	$1.1M	0.00%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
9.3M
Value
$596.9M
% Portfolio
0.10%
Cathie WoodMar 31, 2026
ARK Investment Management
Shares
2.2M
Value
$144.1M
% Portfolio
1.12%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
1.5M
Value
$97.2M
% Portfolio
0.04%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
334.6K
Value
$21.5M
% Portfolio
0.03%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
16.7K
Value
$1.1M
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ray Dalio	Reduced	-61.54%	$1.1M	May 15, 2026
Cathie Wood	Increased	0.38%	$144.1M	May 12, 2026
Ray Dalio	Reduced	-75.47%	$3M	Feb 13, 2026
Cathie Wood	Reduced	-10.11%	$155.9M	Feb 11, 2026
Ray Dalio	New	—	$8.5M	Nov 13, 2025
Cathie Wood	New	—	$119.1M	Nov 12, 2025

Ray Dalio
Reduced
$1.1M(-61.54%)May 15, 2026
Cathie Wood
Increased
$144.1M(0.38%)May 12, 2026
Ray Dalio
Reduced
$3M(-75.47%)Feb 13, 2026
Cathie Wood
Reduced
$155.9M(-10.11%)Feb 11, 2026
Ray Dalio
New
$8.5MNov 13, 2025
Cathie Wood
New
$119.1MNov 12, 2025

Frequently asked questions

How many institutional investors hold RKLB?: 5 tracked institutional investors disclosed a position in RKLB (ROCKET LAB CORP) in their most recent 13F filing.
Who is the largest institutional holder of RKLB?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in RKLB, valued at $855M.
Did institutional ownership of RKLB increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 1 increased, 3 reduced, and 0 fully exited RKLB.
Where does this RKLB ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.