Rocket Lab Corp
RKLB
830 hedge funds and large institutions have $19.2B invested in Rocket Lab Corp in 2025 Q4 according to their latest regulatory filings, with 246 funds opening new positions, 298 increasing their positions, 209 reducing their positions, and 74 closing their positions.
232% more first-time investments, than exits
New positions opened: 246 | Existing positions closed: 74
58% more call options, than puts
Call options by funds: $3.25B | Put options by funds: $2.06B
56% more funds holding in top 10
Funds holding in top 10: 9 → 14 (+5)
48% more capital invested
Capital invested by funds: $13B → $19.2B (+$6.26B)
43% more repeat investments, than reductions
Existing positions increased: 298 | Existing positions reduced: 209
24% more funds holding
Funds holding: 671 → 830 (+159)
4.24% less ownership
Funds ownership: 55.81% → 51.57% (-4.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
+$328M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$322M |
| 3 |
JP Morgan Chase
New York
|
+$236M |
| 4 |
Capital World Investors
Los Angeles,
California
|
+$99.7M |
| 5 |
BlackRock
New York
|
+$95.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VS
VK Services
Menlo Park,
California
|
-$399M |
| 2 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
-$215M |
| 3 |
Morgan Stanley
New York
|
-$168M |
| 4 |
D.E. Shaw & Co
New York
|
-$164M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$102M |
RKLB Hedge Fund Activity: Q4 2025 in Review
830 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in Rocket Lab Corp (RKLB) for Q4 2025, worth a combined $19.2B — up 48% from $13B a quarter earlier.
Buyers outnumbered sellers: 246 funds opened new RKLB positions and 74 closed out — a net gain of 172 holders — while 298 added to existing stakes and 209 trimmed.
The largest buyer was Baillie Gifford & Co, adding an estimated $328M. The largest seller was VK Services, exiting entirely with an estimated $399M sold.
- 830 institutional investors held Rocket Lab Corp (RKLB) as of Q4 2025, up from 671 in Q3 2025.
- Funds reported $19.2B of Rocket Lab Corp stock for Q4 2025, up 48% quarter-over-quarter.
- 246 funds opened new Rocket Lab Corp positions in Q4 2025 and 74 closed out, a net change of +172 holders.
- The largest Rocket Lab Corp buyer in Q4 2025 was Baillie Gifford & Co, an estimated $328M added.
- The largest Rocket Lab Corp seller in Q4 2025 was VK Services, an estimated $399M sold.
Based on aggregated 13F filings for Q4 2025.