Hudson Bay Capital Management
RKLB icon

Hudson Bay Capital Management’s Rocket Lab Corp RKLB Stock Holding History

Hudson Bay Capital 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
-150,000
Closed -$10.5M – 1564
2025
Q4 		$10.5M Buy
150,000
+100,000
+200% +$5.73M 0.03% 334
2025
Q3 		$2.4M Buy
+50,000
New +$2.27M 0.01% 726

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

Hudson Bay Capital Management's RKLB Position: Q1 2026 in Review

Hudson Bay Capital Management increased its Rocket Lab Corp (RKLB) stake by 541% in Q1 2026, buying an estimated $8.23M and bringing the position to 129,283 shares worth $8.3M. The position accounts for 0.03% of the portfolio, ranked #357.

Hudson Bay Capital Management first reported a position in RKLB in Q4 2020 and has held it in 7 quarters since. 873 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Hudson Bay Capital Management held 129,283 shares of Rocket Lab Corp worth $8.3M as of Q1 2026.
  • Hudson Bay Capital Management bought 109,107 Rocket Lab Corp shares in Q1 2026, an estimated $8.23M.
  • Rocket Lab Corp made up 0.03% of Hudson Bay Capital Management's portfolio in Q1 2026, its #357 holding.
  • Hudson Bay Capital Management first reported a position in Rocket Lab Corp in Q4 2020 and has held it in 7 quarters since.
  • 873 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.