Rocket Lab Corp
RKLB
878 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, 390 increasing their positions, 223 reducing their positions, and 105 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: 390 | Existing positions reduced: 223
54% more first-time investments, than exits
New positions opened: 162 | Existing positions closed: 105
6% more funds holding
Funds holding: 832 → 878 (+46)
0.55% less ownership
Funds ownership: 51.59% → 51.04% (-0.55%)
3% less capital invested
Capital invested by funds: $19.2B → $18.6B (-$630M)
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
878 of the 8,208 institutional investors tracked by Wall St. Rank 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 105 closed out — a net gain of 57 holders — while 390 added to existing stakes and 223 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.
- 878 institutional investors held Rocket Lab Corp (RKLB) as of Q1 2026, up from 832 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 105 closed out, a net change of +57 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.