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Weiss Asset Management’s Rocket Lab Corp RKLB Stock Holding History

Weiss Asset Management’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 		– Sell
-245,667
Closed -$17.1M – 756
2025
Q4 		$17.1M Buy
+245,667
New +$14.1M 0.23% 86
2025
Q3 		– Sell
-528,921
Closed -$18.9M – 750
2025
Q2 		$18.9M Buy
+528,921
New +$12.9M 0.22% 73
2025
Q1 		– Sell
-10,932
Closed -$278K – 620
2024
Q4 		$278K Buy
+10,932
New +$192K 0.01% 541
2021
Q3 		– Sell
-335,906
Closed -$3.66M – 598
2021
Q2 		$3.66M Buy
+335,906
New +$3.49M 0.09% 241
2021
Q1 		– Sell
-1,299,999
Closed -$13.1M – 521
2020
Q4 		$13.1M Buy
+1,299,999
New +$13.3M 0.58% 52

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
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
DE
Defiance ETFs New York $7.37B AUM

Weiss Asset Management's RKLB Position: Q1 2026 in Review

Weiss Asset Management sold out of Rocket Lab Corp (RKLB) in Q1 2026, closing a stake of 245,667 shares — an estimated $17.1M sold.

Weiss Asset Management first reported a position in RKLB in Q4 2020 and held it in 5 quarters. The position peaked at $18.9M in Q2 2025. 878 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Weiss Asset Management reported no remaining Rocket Lab Corp position as of Q1 2026 after selling out during the quarter.
  • Weiss Asset Management sold 245,667 Rocket Lab Corp shares in Q1 2026, an estimated $17.1M.
  • Weiss Asset Management first reported a position in Rocket Lab Corp in Q4 2020 and held it in 5 quarters.
  • Weiss Asset Management's Rocket Lab Corp position peaked at $18.9M in Q2 2025.
  • 878 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Weiss Asset Management's 13F filing for Q1 2026, filed 15 May 2026.