Jim Simons
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Jim Simons’s Rocket Lab Corp RKLB Stock Holding History

Jim Simons’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
Q2 		$4.94M Buy
+48,600
New +$4.84M 0.01% 1473
2026
Q1 		– Sell
-915,100
Closed -$63.8M – 3613
2025
Q4 		$63.8M Buy
+915,100
New +$52.5M 0.1% 230
2025
Q2 		– Sell
-1,519,400
Closed -$27.2M – 3831
2025
Q1 		$27.2M Sell
1,519,400
-299,400
-16% -$7.17M 0.04% 540
2024
Q4 		$46.3M Buy
1,818,800
+1,721,300
+1,765% +$30.2M 0.07% 347
2024
Q3 		$949K Buy
+97,500
New +$592K ﹤0.01% 2477

Other funds holding RKLB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jim Simons's RKLB Position: Q2 2026 in Review

Jim Simons opened a new position in Rocket Lab Corp (RKLB) in Q2 2026: 48,600 shares worth $4.94M. The stake represents 0.01% of the portfolio and ranks #1473 among its holdings. This is a return to the name: Jim Simons previously reported a position in RKLB as recently as Q4 2025.

Jim Simons first reported a position in RKLB in Q3 2024 and has held it in 5 quarters since. The position peaked at $63.8M in Q4 2025. 1,133 funds tracked by Wall St. Rank hold RKLB as of Q2 2026.

  • Jim Simons held 48,600 shares of Rocket Lab Corp worth $4.94M as of Q2 2026.
  • Rocket Lab Corp was a new Jim Simons position in Q2 2026.
  • Rocket Lab Corp made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1473 holding.
  • Jim Simons first reported a position in Rocket Lab Corp in Q3 2024 and has held it in 5 quarters since.
  • Jim Simons's Rocket Lab Corp position peaked at $63.8M in Q4 2025.
  • 1,133 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.