Rocket Lab Corp
RKLB
876 hedge funds and large institutions have $18.6B invested in Rocket Lab Corp in 2026 Q1 according to their latest regulatory filings, with 162 funds opening new positions, 389 increasing their positions, 222 reducing their positions, and 101 closing their positions.
77% more call options, than puts
Call options by funds: $2.93B | Put options by funds: $1.66B
75% more repeat investments, than reductions
Existing positions increased: 389 | Existing positions reduced: 222
60% more first-time investments, than exits
New positions opened: 162 | Existing positions closed: 101
6% more funds holding
Funds holding: 829 → 876 (+47)
0.57% less ownership
Funds ownership: 51.61% → 51.04% (-0.57%)
3% less capital invested
Capital invested by funds: $19.2B → $18.6B (-$639M)
43% less funds holding in top 10
Funds holding in top 10: 14 → 8 (-6)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
+$505M |
| 2 |
DE
Defiance ETFs
New York
|
+$422M |
| 3 |
BlackRock
New York
|
+$370M |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$131M |
| 5 |
Jane Street
New York
|
+$124M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
-$675M |
| 2 |
D.E. Shaw & Co
New York
|
-$185M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$125M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$99.8M |
| 5 |
HSBC Holdings
London,
United Kingdom
|
-$88.2M |
RKLB Hedge Fund Activity: Q1 2026 in Review
876 institutional investors reported a position in Rocket Lab Corp (RKLB) for Q1 2026, worth a combined $18.6B — down 3.3% from $19.2B a quarter earlier.
Buyers outnumbered sellers: 162 funds opened new RKLB positions and 101 closed out — a net gain of 61 holders — while 389 added to existing stakes and 222 trimmed.
The largest buyer was Capital International Investors, opening a new position worth an estimated $505M. The largest seller was Capital World Investors, cutting an estimated $675M.
- 876 institutional investors held Rocket Lab Corp (RKLB) as of Q1 2026, up from 829 in Q4 2025.
- Funds reported $18.6B of Rocket Lab Corp stock for Q1 2026, down 3.3% quarter-over-quarter.
- 162 funds opened new Rocket Lab Corp positions in Q1 2026 and 101 closed out, a net change of +61 holders.
- The largest Rocket Lab Corp buyer in Q1 2026 was Capital International Investors, an estimated $505M added.
- The largest Rocket Lab Corp seller in Q1 2026 was Capital World Investors, an estimated $675M sold.
Based on aggregated 13F filings for Q1 2026.