Citadel Advisors
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Citadel Advisors’s Rocket Lab Corp RKLB Stock Holding History

Citadel 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 		$277M Sell
4,318,800
-1,198,200
-22% -$90.3M 0.04% 328
2025
Q4 		$385M Buy
5,517,000
+325,900
+6% +$18.7M 0.06% 258
2025
Q3 		$249M Buy
5,191,100
+124,200
+2% +$5.63M 0.04% 389
2025
Q2 		$181M Sell
5,066,900
-386,600
-7% -$9.46M 0.03% 449
2025
Q1 		$97.5M Buy
5,453,500
+1,155,200
+27% +$27.7M 0.02% 713
2024
Q4 		$109M Buy
4,298,300
+2,059,300
+92% +$36.2M 0.02% 683
2024
Q3 		$21.8M Buy
2,239,000
+1,710,600
+324% +$10.4M ﹤0.01% 1960
2024
Q2 		$2.54M Buy
528,400
+115,100
+28% +$480K ﹤0.01% 4877
2024
Q1 		$1.7M Sell
413,300
-351,400
-46% -$1.62M ﹤0.01% 5842
2023
Q4 		$4.23M Buy
764,700
+430,900
+129% +$1.95M ﹤0.01% 4050
2023
Q3 		$1.46M Buy
333,800
+60,600
+22% +$369K ﹤0.01% 5821
2023
Q2 		$1.64M Sell
273,200
-30,400
-10% -$140K ﹤0.01% 5519
2023
Q1 		$1.23M Buy
303,600
+7,000
+2% +$31.4K ﹤0.01% 6341
2022
Q4 		$1.12M Sell
296,600
-28,000
-9% -$122K ﹤0.01% 6598
2022
Q3 		$1.32M Buy
324,600
+54,300
+20% +$268K ﹤0.01% 6406
2022
Q2 		$1.02M Sell
270,300
-28,800
-10% -$169K ﹤0.01% 6960
2022
Q1 		$2.41M Sell
299,100
-154,600
-34% -$1.44M ﹤0.01% 5688
2021
Q4 		$5.57M Buy
453,700
+181,000
+66% +$2.49M ﹤0.01% 4110
2021
Q3 		$4.4M Buy
+272,700
New +$3.28M ﹤0.01% 4551

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

Citadel Advisors's RKLB Position: Q1 2026 in Review

Citadel Advisors reduced its Rocket Lab Corp (RKLB) stake by 7.2% in Q1 2026, selling an estimated $4.75M and leaving 816,681 shares worth $52.4M. The position accounts for 0.01% of the portfolio, ranked #1314.

Citadel Advisors first reported a position in RKLB in Q1 2021 and has held it in 21 quarters since. The position peaked at $61.4M in Q4 2025. 873 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Citadel Advisors held 816,681 shares of Rocket Lab Corp worth $52.4M as of Q1 2026.
  • Citadel Advisors sold 62,955 Rocket Lab Corp shares in Q1 2026, an estimated $4.75M.
  • Rocket Lab Corp made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1314 holding.
  • Citadel Advisors first reported a position in Rocket Lab Corp in Q1 2021 and has held it in 21 quarters since.
  • Citadel Advisors's Rocket Lab Corp position peaked at $61.4M in Q4 2025.
  • 873 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.