Rocket Lab USA, Inc.
Rocket Lab USA, Inc. (RKLB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · RKLB · as of Mar 31, 2025
Ownership Breakdown
453
Institutional Holders
▲ 8 vs Q4
$4.53B
Total Inst. Value
▼ $1.68B vs Q4
578.87M
Shares Outstanding
freeFloat 92.32%
253.24M
13F Shares Held
▲ 9.39M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
RKLB largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC guided missiles & space vehicles & parts | 40.03M | 7.92% | 7.92% | $715.73B | May 9, 2025 | ▲ 3.83M |
BLACKROCK, INC. guided missiles & space vehicles & parts | 31.60M | 6.25% | 6.25% | $564.99B | May 2, 2025 | ▲ 71.2K |
VK SERVICES, LLC guided missiles & space vehicles & parts | 21.32M | 4.22% | 4.22% | $381.27B | May 15, 2025 | ▼ 11.50M |
UBS GROUP AG guided missiles & space vehicles & parts | 17.36M | 3.43% | 3.43% | $310.35B | May 13, 2025 | ▲ 17.1K |
STATE STREET CORP guided missiles & space vehicles & parts | 14.34M | 2.84% | 2.84% | $256.49B | May 15, 2025 | ▲ 462.1K |
D. E. SHAW & CO., INC. guided missiles & space vehicles & parts | 13.64M | 2.70% | 2.70% | $243.83B | May 15, 2025 | ▲ 5.25M |
BANK OF AMERICA CORP /DE/ guided missiles & space vehicles & parts | 10.66M | 2.11% | 2.11% | $190.61B | May 15, 2025 | ▲ 6.86M |
GEODE CAPITAL MANAGEMENT, LLC guided missiles & space vehicles & parts | 8.53M | 1.69% | 1.69% | $152.51B | May 13, 2025 | ▲ 241.8K |
DEER MANAGEMENT CO. LLC guided missiles & space vehicles & parts | 8.17M | 1.62% | 1.62% | $146.05B | May 15, 2025 | — held |
SUSQUEHANNA INTERNATIONAL GROUP, LLP guided missiles & space vehicles & parts | 6.99M | 1.38% | 1.38% | $125.01B | May 14, 2025 | ▼ 24.6K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
23
Increased
+28.59M shares5
New Positions
first time holders19
Decreased
−17.34M shares0
Sold Out
fully exitedNet shares change (top 50)
+11.25M
+28.59M / −17.34M
Net new holders
+9
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
RKLB insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
11
Buy transactions
55
Sell transactions
0.20
Buy/Sell ratio
$6M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Slusky Alexander R director | Jun 2, 2026 | Sale | 40,000 | $123.60 | $4.94M | 334.7K | Form 4 ↗ |
Spice Adam C. Chief Financial Officer | Jun 3, 2026 | Award | 275,319 | — | — | 1.20M | Form 4 ↗ |
Ricupati Agostino VP Corp Controller & CAO | Jun 3, 2026 | Award | 27,532 | — | — | 27.5K | Form 4 ↗ |
Spice Adam C. Chief Financial Officer | May 29, 2026 | Gift | 62,724 | — | — | 920.3K | Form 4 ↗ |
Spice Adam C. Chief Financial Officer | May 29, 2026 | Gift | 62,724 | — | — | 62.7K | Form 4 ↗ |
Spice Adam C. Chief Financial Officer | Jun 1, 2026 | Gift | 62,724 | — | — | 0 | Form 4 ↗ |
Frank Edward H. director | May 29, 2026 | Gift | 91,373 | — | — | 91.4K | Form 4 ↗ |
Frank Edward H. director | May 29, 2026 | Gift | 91,373 | — | — | 53.6K | Form 4 ↗ |
Slusky Alexander R director | May 28, 2026 | Sale | 40,000 | $149.10 | $5.96M | 394.7K | Form 4 ↗ |
Slusky Alexander R director | May 28, 2026 | Sale | 20,000 | $150.00 | $3.00M | 374.7K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Rocket Lab USA, Inc. (RKLB) is primarily owned by institutional investors, who hold approximately 43.8% of total shares outstanding. Company insiders own approximately 7.68%, while retail and public investors account for the remaining 48.57%.
The largest institutional shareholder of Rocket Lab USA, Inc. is VANGUARD GROUP INC, holding approximately 40.03 million shares — equal to 7.92% of outstanding shares — as of March 31, 2025.
A total of 453 institutional investors currently hold RKLB stock, with a combined institutional value of approximately $4.53 billion as of the most recent 13F filing period.
Frequently asked questions
RKLB ownershipRocket Lab USA, Inc. (RKLB) is primarily owned by institutional investors, who hold approximately 43.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 7.92% stake. Company insiders hold 7.68%. Data sourced from SEC Form 13F as of March 31, 2025.