Position in RKLB
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$8,302,553
+$6,895,077 QoQ
Shares Held
129,283
+540.8% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in RKLB Over Time
Shares Held
Position Value (USD)
Derivatives in RKLB
reported options exposure · as of Dec 31, 2025CallValue
$83,712
CallShares
1,200
PutValue
$10,464,000
PutShares
150,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Aerospace & Defense
Industrials · as of Mar 31, 2026Hudson Bay Capital Management LP holds $152,951,800 across 20 Aerospace & Defense names. RKLB ranks #6 (5.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RTX |
RTX Corp
|
268,555 | $51,804,259 | |
| 2 | FLY |
Firefly Aerospace Inc.
|
659,017 | $18,762,213 | |
| 3 | ACHR |
Archer Aviation Inc.
|
2,573,333 | $13,304,131 | |
| 4 | LHX |
L3harris Technologies, Inc. /De/
|
33,841 | $11,680,221 | |
| 5 | BA |
Boeing Co
|
49,379 | $9,827,902 | |
| 6 | RKLB |
Rocket Lab Corp
This page
|
129,283 | $8,302,553 | |
| 7 | ATRO |
Astronics Corp
|
100,000 | $6,673,000 | |
| 8 | AIR |
Aar Corp
|
58,585 | $6,412,713 |
All Filings in RKLB
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,302,553 | 129,283 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $10,464,000 | 150,000 | Put | Defined | 2026-02-13 | |
| 2025-12-31 | $1,407,476 | 20,176 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $83,712 | 1,200 | Call | Defined | 2026-02-13 | |
| 2025-09-30 | $2,395,500 | 50,000 | Put | Sole | 2025-12-15 | |
| 2025-09-30 | $6,208,991 | 129,597 | Shares | Defined | 2025-12-15 | |
| 2025-06-30 | $7,645,264 | 213,734 | Shares | Sole | 2025-08-18 | |
| No filing history on record for this holder in this stock. | ||||||