CSS LLC’s Rocket Lab Corp RKLB Stock Holding History

CSS LLC’s Portfolio RKLB Stock Details RKLB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-20,000	Closed	-$323K	–	1312
2021 Q3	$323K	Buy	+20,000	New	+$241K	0.01%	756

Other funds holding RKLB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Defiance ETFs New York $6.98B AUM

CSS LLC's RKLB Position: Q1 2026 in Review

CSS LLC reduced its Rocket Lab Corp (RKLB) stake by 92% in Q1 2026, selling an estimated $4.09M and leaving 4,927 shares worth $316K. The position accounts for 0.02% of the portfolio, ranked #640.

CSS LLC first reported a position in RKLB in Q1 2022 and has held it in 10 quarters since. The position peaked at $4.12M in Q4 2025. 872 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

CSS LLC held 4,927 shares of Rocket Lab Corp worth $316K as of Q1 2026.
CSS LLC sold 54,200 Rocket Lab Corp shares in Q1 2026, an estimated $4.09M.
Rocket Lab Corp made up 0.02% of CSS LLC's portfolio in Q1 2026, its #640 holding.
CSS LLC first reported a position in Rocket Lab Corp in Q1 2022 and has held it in 10 quarters since.
CSS LLC's Rocket Lab Corp position peaked at $4.12M in Q4 2025.
872 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.