Position in RKLB
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$214,888,608
+$11,143,530 QoQ
Shares Held
2,114,005
-33.4% QoQ
Ownership
0.353%
of shares outstanding
% of Portfolio
0.71%
of 13F equity value
Holder Rank
#27
of 1,091 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 86%
Shared 0%
None 14%
Common Shares in RKLB Over Time
Shares Held
Position Value (USD)
Position in Aerospace & Defense
Industrials · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,713,893,377 across 10 Aerospace & Defense names. RKLB ranks #5 (7.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AXON |
Axon Enterprise, Inc.
|
1,491,490 | $836,144,208 | |
| 2 | FTAI |
FTAI Aviation Ltd.
|
2,937,228 | $794,608,290 | |
| 3 | HWM |
Howmet Aerospace Inc.
|
1,921,476 | $516,608,037 | |
| 4 | WWD |
Woodward, Inc.
|
526,505 | $223,996,287 | |
| 5 | RKLB |
Rocket Lab Corp
This page
|
2,114,005 | $214,888,608 | |
| 6 | PL |
Planet Labs PBC
|
3,428,007 | $113,569,871 | |
| 7 | GE |
General Electric Co
|
15,191 | $5,677,332 | |
| 8 | HEI |
Heico Corp
|
20,130 | $5,191,728 |
All Filings in RKLB
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $214,888,608 | 2,114,005 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $203,745,078 | 3,172,611 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $180,848,823 | 2,592,443 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $116,795,956 | 2,437,820 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $84,597,766 | 2,365,048 | Shares | Sole | 2025-08-12 | |
| No filing history on record for this holder in this stock. | ||||||