Calamos Advisors
RKLB icon

Calamos Advisors’s Rocket Lab Corp RKLB Stock Holding History

Calamos Advisors’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
2026
Q1 		– Sell
-235,400
Closed -$11.3M – 1264
2025
Q4 		$11.3M Buy
+235,400
New +$13.5M 0.04% 364

Other funds holding RKLB

BlackRock
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
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
DE
Defiance ETFs New York $6.98B AUM

Calamos Advisors's RKLB Position: Q1 2026 in Review

Calamos Advisors increased its Rocket Lab Corp (RKLB) stake by 131% in Q1 2026, buying an estimated $1.04M and bringing the position to 24,393 shares worth $1.57M. The position accounts for 0.01% of the portfolio, ranked #706.

Calamos Advisors first reported a position in RKLB in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.62M in Q3 2025. 872 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Calamos Advisors held 24,393 shares of Rocket Lab Corp worth $1.57M as of Q1 2026.
  • Calamos Advisors bought 13,813 Rocket Lab Corp shares in Q1 2026, an estimated $1.04M.
  • Rocket Lab Corp made up 0.01% of Calamos Advisors's portfolio in Q1 2026, its #706 holding.
  • Calamos Advisors first reported a position in Rocket Lab Corp in Q3 2025 and has held it in 3 quarters since.
  • Calamos Advisors's Rocket Lab Corp position peaked at $1.62M in Q3 2025.
  • 872 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.