Who owns RKLB? 13F holders and whale ownership
RKLB is tracked across public portfolios in Whale Analyzer. This page answers who owns RKLB, which top funds are buying RKLB, aggregate disclosed value, and recent position changes based on public data. Baillie Gifford is the largest reported holder at $1.18B; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $35.49. Top tracked holders include Baillie Gifford and Cathie Wood.
Continue to the live RKLB dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Baillie Gifford 13F portfolio Baillie Gifford & Co holdings | $1.18B | 18.4M | Increased |
| Cathie Wood 13F portfolio ARK Investment Management holdings | $144.1M | 2.2M | Increased |
Ownership concentration
Reported ownership of RKLB is highly concentrated across tracked institutions.
- Single largest holder: 89.1% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 2 tracked institutions, 2 increased. Net positioning is net buying.
- Baillie Gifford — Baillie Gifford & Co ($1.18B) (▲ 3.2% qoq shares) · avg cost $35.49
- Cathie Wood — ARK Investment Management ($144.1M) (▲ 0.4% qoq shares)
Whale cost basis vs current price
The aggregate tracked cost basis is $35.49 versus a current price of $84.54, so RKLB trades above its cost basis (+138.2%). Average unrealized P&L across tracked holders: 278%.
Sector positioning — Industrials
RKLB sits within the Industrials sector alongside 85 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live RKLB dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
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- SPOT whale holders — Spotify Technology SA
- NU whale holders — Nu Holdings Ltd.
- SHOP whale holders — Shopify 'A'
- NET whale holders — Cloudflare Inc
- SE whale holders — Sea Ltd ADR
Learn more in Whale Analyzer Academy
Deepen your read on RKLB with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns RKLB stock?
Whale Analyzer tracks 2 public institutional holders of RKLB with a combined reported value of $1.33B. See the holder table above for the largest tracked positions.
Which top funds are buying RKLB?
Tracked institutions were net buying last quarter — 2 increased. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is RKLB ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is RKLB above or below the whale cost basis?
The aggregate tracked cost basis is $35.49 versus a current price of $84.54 (+138.2%).
What does 13F ownership mean for RKLB?
Use the interactive RKLB dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.