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 		$267M Sell
4,159,900
-1,696,200
-29% -$128M 0.04% 339
2025
Q4 		$409M Sell
5,856,100
-91,300
-2% -$5.23M 0.06% 239
2025
Q3 		$285M Buy
5,947,400
+2,107,700
+55% +$95.6M 0.04% 350
2025
Q2 		$137M Buy
3,839,700
+938,700
+32% +$23M 0.02% 563
2025
Q1 		$51.9M Sell
2,901,000
-132,600
-4% -$3.18M 0.01% 1111
2024
Q4 		$77.3M Buy
3,033,600
+1,266,400
+72% +$22.2M 0.01% 916
2024
Q3 		$17.2M Buy
1,767,200
+932,500
+112% +$5.66M ﹤0.01% 2208
2024
Q2 		$4.01M Sell
834,700
-136,500
-14% -$569K ﹤0.01% 4099
2024
Q1 		$3.99M Buy
971,200
+601,000
+162% +$2.77M ﹤0.01% 4303
2023
Q4 		$2.05M Buy
370,200
+37,000
+11% +$167K ﹤0.01% 5306
2023
Q3 		$1.46M Buy
333,200
+25,400
+8% +$154K ﹤0.01% 5825
2023
Q2 		$1.85M Sell
307,800
-7,700
-2% -$35.3K ﹤0.01% 5284
2023
Q1 		$1.27M Buy
315,500
+59,800
+23% +$269K ﹤0.01% 6273
2022
Q4 		$964K Buy
255,700
+4,800
+2% +$21K ﹤0.01% 6895
2022
Q3 		$1.02M Buy
250,900
+96,700
+63% +$477K ﹤0.01% 6947
2022
Q2 		$584K Sell
154,200
-11,100
-7% -$65.3K ﹤0.01% 8296
2022
Q1 		$1.33M Sell
165,300
-145,000
-47% -$1.35M ﹤0.01% 7028
2021
Q4 		$3.81M Buy
310,300
+25,000
+9% +$344K ﹤0.01% 4851
2021
Q3 		$4.6M Buy
+285,300
New +$3.43M ﹤0.01% 4458

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.