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XTX Topco’s Rocket Lab Corp RKLB Stock Holding History

XTX Topco’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 		$3.5M Buy
54,572
+36,622
+204% +$2.76M 0.06% 465
2025
Q4 		$1.25M Sell
17,950
-37,078
-67% -$2.13M 0.03% 867
2025
Q3 		$2.64M Sell
55,028
-96,663
-64% -$4.38M 0.14% 144
2025
Q2 		$5.43M Buy
+151,691
New +$3.71M 0.22% 65
2025
Q1 		– Sell
-67,492
Closed -$1.72M – 2992
2024
Q4 		$1.72M Buy
+67,492
New +$1.18M 0.14% 118
2024
Q1 		– Sell
-124,010
Closed -$686K – 2240
2023
Q4 		$686K Buy
+124,010
New +$560K 0.15% 116
2022
Q3 		– Sell
-26,661
Closed -$101K – 1343
2022
Q2 		$101K Buy
+26,661
New +$157K 0.04% 642

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

XTX Topco's RKLB Position: Q1 2026 in Review

XTX Topco increased its Rocket Lab Corp (RKLB) stake by 204% in Q1 2026, buying an estimated $2.76M and bringing the position to 54,572 shares worth $3.5M. The position accounts for 0.06% of the portfolio, ranked #465.

XTX Topco first reported a position in RKLB in Q2 2022 and has held it in 7 quarters since. The position peaked at $5.43M in Q2 2025. 872 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • XTX Topco held 54,572 shares of Rocket Lab Corp worth $3.5M as of Q1 2026.
  • XTX Topco bought 36,622 Rocket Lab Corp shares in Q1 2026, an estimated $2.76M.
  • Rocket Lab Corp made up 0.06% of XTX Topco's portfolio in Q1 2026, its #465 holding.
  • XTX Topco first reported a position in Rocket Lab Corp in Q2 2022 and has held it in 7 quarters since.
  • XTX Topco's Rocket Lab Corp position peaked at $5.43M in Q2 2025.
  • 872 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.