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

Ostrum 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 		$690K Buy
10,749
+8,432
+364% +$636K 0.04% 269
2025
Q4 		$162K Sell
2,317
-769
-25% -$44.1K 0.01% 482
2025
Q3 		$148K Buy
+3,086
New +$140K 0.01% 515

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

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

Ostrum Asset Management increased its Rocket Lab Corp (RKLB) stake by 364% in Q1 2026, buying an estimated $636K and bringing the position to 10,749 shares worth $690K. The position accounts for 0.04% of the portfolio, ranked #269.

Ostrum Asset Management first reported a position in RKLB in Q3 2025 and has held it in 3 quarters since. 872 funds tracked by Wall St. Rank hold RKLB as of Q1 2026.

  • Ostrum Asset Management held 10,749 shares of Rocket Lab Corp worth $690K as of Q1 2026.
  • Ostrum Asset Management bought 8,432 Rocket Lab Corp shares in Q1 2026, an estimated $636K.
  • Rocket Lab Corp made up 0.04% of Ostrum Asset Management's portfolio in Q1 2026, its #269 holding.
  • Ostrum Asset Management first reported a position in Rocket Lab Corp in Q3 2025 and has held it in 3 quarters since.
  • 872 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q1 2026.

Based on Ostrum Asset Management's 13F filing for Q1 2026, filed 14 May 2026.