Main Street Group
RKLB icon

Main Street Group’s Rocket Lab Corp RKLB Stock Holding History

Main Street Group’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
Q3 		$19.2K Buy
275
+175
+175% +$12.6K ﹤0.01% 462
2026
Q2 		$10.2K Hold
100
– – ﹤0.01% 551
2026
Q1 		$6.42K Buy
+100
New +$7.54K ﹤0.01% 604

Other funds holding RKLB

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $57B AUM 43.56% 1-Year Est. Return
Tema ETFs
Tema ETFs New York $2.69B AUM 42.96% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return
Zevenbergen Capital Investments
Zevenbergen Capital Investments Edmonds, Washington $4.37B AUM 52.9% 1-Year Est. Return
UNICOM Systems
UNICOM Systems Las Vegas, Nevada $1.46B AUM 70.54% 1-Year Est. Return
Once Capital Management
Once Capital Management New York $783M AUM 74.43% 1-Year Est. Return
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return
TAA
TB Alternative Assets Grand Cayman, Cayman Islands $488M AUM 102.53% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return

Main Street Group's RKLB Position: Q3 2026 in Review

Main Street Group increased its Rocket Lab Corp (RKLB) stake by 175% in Q3 2026, buying an estimated $12.6K and bringing the position to 275 shares worth $19.2K. The position accounts for ﹤0.01% of the portfolio, ranked #462.

Main Street Group first reported a position in RKLB in Q1 2026 and has held it in 3 quarters since. 456 funds tracked by Wall St. Rank hold RKLB as of Q3 2026.

  • Main Street Group held 275 shares of Rocket Lab Corp worth $19.2K as of Q3 2026.
  • Main Street Group bought 175 Rocket Lab Corp shares in Q3 2026, an estimated $12.6K.
  • Rocket Lab Corp made up ﹤0.01% of Main Street Group's portfolio in Q3 2026, its #462 holding.
  • Main Street Group first reported a position in Rocket Lab Corp in Q1 2026 and has held it in 3 quarters since.
  • 456 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q3 2026.

Based on Main Street Group's 13F filing for Q3 2026, filed 28 Oct 2026.