Latest Period
Q1 2026
Security Snapshot
Rocket Lab Corp - Common Stock, par value $0.0001 per share (RKLB) Institutional Ownership
CUSIP: 773121108
13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026
Institutions Reporting
856
Shares (Excl. Options)
289,856,276
Price
$64.22
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- RKLB on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 289,856,276
- Total 13F value
- $18,555,232,839
- Portfolio coverage rank
- 0.01%
- Share change
- +8,462,656
- Value change
- +$485,739,399
- Number of holders
- 856
- Shares outstanding
- 536,742,646
- SEC-reported price per share
- $124.15
- Insider filing price
- $124.15
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- RKLB - Rocket Lab Corp - Common Stock, par value $0.0001 per share is tracked under CUSIP 773121108.
- 856 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 817 to 856 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $19,215,720,959 to $18,555,232,839.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 856 institutions filings for Q1 2026.
Security key
773121108
Latest holder period
Q1 2026
13F holders
856
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
RKLB full holder history
Rocket Lab Corp SEC filings
Rocket Lab Corp company facts
Rocket Lab Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 773121108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
RKLB
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Beck Peter | 10% | $1,404,311,350 | 51,345,936 | Beck Peter | 13 Jun 2025 | |||
| Khosla Ventures V, L.P. | 6.9% | $2,421,023,975 | 36,593,470 | VK Services, LLC | 18 Nov 2025 | |||
| VK Services, LLC | 6.5% | $3,066,679,109 | 34,888,272 | VK Services, LLC | 17 Feb 2026 | |||
| BlackRock, Inc. | 6.2% | +28% | $1,447,943,350 | +$390,468,464 | 30,222,153 | +37% | BlackRock, Inc. | 30 Sep 2025 |
As of 31 Mar 2026, 856 institutional investors reported holding 289,856,276 shares of Rocket Lab Corp - Common Stock, par value $0.0001 per share (RKLB). This represents 54% of the company’s total 536,742,646 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
39%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.1% | 37,985,996 | +15% | 0.04% | $2,439,460,632 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.8% | 25,738,450 | 0% | 0.09% | $1,652,923,259 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 24,287,490 | 0% | 0.04% | $1,559,742,608 |
| BAILLIE GIFFORD & CO | 3.4% | 18,428,043 | +3.2% | 1.2% | $1,183,448,921 |
| STATE STREET CORP | 2.6% | 13,924,751 | +11% | 0.03% | $894,247,509 |
| JPMORGAN CHASE & CO | 2% | 10,677,805 | +10% | 0.04% | $612,692,523 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 10,570,885 | +17% | 0.04% | $683,411,818 |
| Capital World Investors | 1.3% | 7,242,084 | -55% | 0.06% | $465,061,401 |
| Capital International Investors | 1.2% | 6,701,140 | 0.1% | $430,309,351 | |
| Defiance ETFs, LLC | 1% | 5,626,081 | +18557% | 5.2% | $361,306,920 |
| MORGAN STANLEY | 1% | 5,383,549 | +28% | 0.02% | $345,731,680 |
| BANK OF AMERICA CORP /DE/ | 0.84% | 4,533,362 | -11% | 0.02% | $291,132,482 |
| D. E. Shaw & Co., Inc. | 0.78% | 4,191,561 | -37% | 0.21% | $269,182,048 |
| FMR LLC | 0.69% | 3,694,934 | -14% | 0.01% | $237,288,664 |
| Invesco Ltd. | 0.67% | 3,598,310 | -32% | 0.04% | $231,083,469 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 0.59% | 3,172,611 | +22% | 0.85% | $203,745,048 |
| NORTHERN TRUST CORP | 0.58% | 3,090,151 | +19% | 0.03% | $198,449,498 |
| VANGUARD FIDUCIARY TRUST CO | 0.57% | 3,068,333 | 0% | 0.05% | $197,048,345 |
| GOLDMAN SACHS GROUP INC | 0.48% | 2,556,299 | +137% | 0.02% | $164,165,521 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.44% | 2,385,357 | +40% | 0.03% | $153,187,628 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.44% | 2,357,856 | +6.5% | 0.02% | $151,421,512 |
| ARK Investment Management LLC | 0.42% | 2,243,656 | +0.38% | 1.1% | $144,087,588 |
| VOYA INVESTMENT MANAGEMENT LLC | 0.42% | 2,239,469 | +2.1% | 0.15% | $143,818,699 |
| ROYAL BANK OF CANADA | 0.41% | 2,185,643 | -11% | 0.03% | $140,361,000 |
| AMERICAN CENTURY COMPANIES INC | 0.4% | 2,145,891 | -15% | 0.07% | $137,809,446 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 289,856,276 | $18,555,232,839 | +$485,739,399 | $64.22 | 856 |
| 2025 Q4 | 275,283,207 | $19,215,720,959 | +$746,252,453 | $69.76 | 817 |
| 2025 Q3 | 268,916,114 | $12,911,807,406 | +$561,796,802 | $47.91 | 651 |
| 2025 Q2 | 260,733,526 | $9,327,764,147 | +$9,176,906,136 | $35.77 | 495 |
| 2025 Q1 | 291 | $5,201 | +$5,201 | $17.87 | 1 |