Rocket Lab Corp
RKLB
669 hedge funds and large institutions have $13B invested in Rocket Lab Corp in 2025 Q3 according to their latest regulatory filings, with 223 funds opening new positions, 224 increasing their positions, 165 reducing their positions, and 62 closing their positions.
260% more first-time investments, than exits
New positions opened: 223 | Existing positions closed: 62
38% more call options, than puts
Call options by funds: $2.23B | Put options by funds: $1.62B
36% more repeat investments, than reductions
Existing positions increased: 224 | Existing positions reduced: 165
35% more capital invested
Capital invested by funds: $9.64B → $13B (+$3.33B)
30% more funds holding
Funds holding: 514 → 669 (+155)
2.6% less ownership
Funds ownership: 58.41% → 55.81% (-2.6%)
18% less funds holding in top 10
Funds holding in top 10: 11 → 9 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$393M |
| 2 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
+$351M |
| 3 |
TI
Tidal Investments
Milwaukee,
Wisconsin
|
+$173M |
| 4 |
Morgan Stanley
New York
|
+$166M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$96.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VS
VK Services
Menlo Park,
California
|
-$590M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$300M |
| 3 |
DMC
Deer Management Company
Larchmont,
New York
|
-$292M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$182M |
| 5 |
DOFI
DCVC Opportunity Fund II
Palo Alto,
California
|
-$95.3M |
RKLB Hedge Fund Activity: Q3 2025 in Review
669 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Rocket Lab Corp (RKLB) for Q3 2025, worth a combined $13B — up 35% from $9.64B a quarter earlier.
Buyers outnumbered sellers: 223 funds opened new RKLB positions and 62 closed out — a net gain of 161 holders — while 224 added to existing stakes and 165 trimmed.
The largest buyer was BlackRock, adding an estimated $393M. The largest seller was VK Services, cutting an estimated $590M.
- 669 institutional investors held Rocket Lab Corp (RKLB) as of Q3 2025, up from 514 in Q2 2025.
- Funds reported $13B of Rocket Lab Corp stock for Q3 2025, up 35% quarter-over-quarter.
- 223 funds opened new Rocket Lab Corp positions in Q3 2025 and 62 closed out, a net change of +161 holders.
- The largest Rocket Lab Corp buyer in Q3 2025 was BlackRock, an estimated $393M added.
- The largest Rocket Lab Corp seller in Q3 2025 was VK Services, an estimated $590M sold.
Based on aggregated 13F filings for Q3 2025.