Jane Street
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Jane Street’s Rocket Lab Corp RKLB Stock Holding History

Jane Street’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 		$335M Buy
5,214,200
+636,700
+14% +$48M 0.04% 272
2025
Q4 		$319M Buy
4,577,500
+2,619,400
+134% +$150M 0.05% 254
2025
Q3 		$93.8M Buy
1,958,100
+87,700
+5% +$3.98M 0.01% 622
2025
Q2 		$66.9M Buy
1,870,400
+1,090,500
+140% +$26.7M 0.01% 619
2025
Q1 		$13.9M Sell
779,900
-526,600
-40% -$12.6M ﹤0.01% 1612
2024
Q4 		$33.3M Buy
1,306,500
+308,300
+31% +$5.41M 0.01% 912
2024
Q3 		$9.71M Buy
998,200
+863,700
+642% +$5.24M ﹤0.01% 1938
2024
Q2 		$646K Sell
134,500
-44,600
-25% -$186K ﹤0.01% 6601
2024
Q1 		$736K Sell
179,100
-15,300
-8% -$70.6K ﹤0.01% 5993
2023
Q4 		$1.08M Buy
194,400
+89,600
+85% +$405K ﹤0.01% 5435
2023
Q3 		$459K Buy
104,800
+13,100
+14% +$79.7K ﹤0.01% 6427
2023
Q2 		$550K Sell
91,700
-69,200
-43% -$318K ﹤0.01% 6167
2023
Q1 		$650K Buy
160,900
+46,100
+40% +$207K ﹤0.01% 5858
2022
Q4 		$433K Sell
114,800
-71,600
-38% -$313K ﹤0.01% 6384
2022
Q3 		$759K Sell
186,400
-84,600
-31% -$417K ﹤0.01% 5926
2022
Q2 		$1.03M Sell
271,000
-135,100
-33% -$795K ﹤0.01% 5439
2022
Q1 		$3.27M Sell
406,100
-99,500
-20% -$926K ﹤0.01% 3775
2021
Q4 		$6.21M Sell
505,600
-849,200
-63% -$11.7M ﹤0.01% 2520
2021
Q3 		$21.9M Buy
+1,354,800
New +$16.3M 0.01% 1078

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

Jane Street's RKLB Position: Q1 2026 in Review

Jane Street increased its Rocket Lab Corp (RKLB) stake by 4,403% in Q1 2026, buying an estimated $124M and bringing the position to 1,686,660 shares worth $108M. The position accounts for 0.01% of the portfolio, ranked #601.

Jane Street first reported a position in RKLB in Q1 2021 and has held it in 21 quarters since. 872 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Jane Street held 1,686,660 shares of Rocket Lab Corp worth $108M as of Q1 2026.
  • Jane Street bought 1,649,203 Rocket Lab Corp shares in Q1 2026, an estimated $124M.
  • Rocket Lab Corp made up 0.01% of Jane Street's portfolio in Q1 2026, its #601 holding.
  • Jane Street first reported a position in Rocket Lab Corp in Q1 2021 and has held it in 21 quarters since.
  • 872 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.