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GROUP ONE TRADING LLC

Position in RKLB — Rocket Lab Corp

CIK 932540 CHICAGO, IL

Position in RKLB

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$4,811,619
-$10,921,702 QoQ
Shares Held
74,924
-66.8% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 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)

Position in Aerospace & Defense

Industrials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $61,587,989 across 32 Aerospace & Defense names. RKLB ranks #4 (7.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 RKLB
Rocket Lab Corp
This page
74,924 $4,811,619

All Filings in RKLB

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $4,811,619 74,924
2025-12-31 $15,733,321 225,535
2025-09-30 $2,312,998 48,278