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Magnetar Financial’s Rocket Lab Corp RKLB Stock Holding History

Magnetar Financial’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
2025
Q3 		– Sell
-8,780
Closed -$314K – 1140
2025
Q2 		$314K Sell
8,780
-58,969
-87% -$1.44M ﹤0.01% 688
2025
Q1 		$1.21M Buy
+67,749
New +$1.62M 0.02% 312
2021
Q4 		– Sell
-3,669,575
Closed -$250K – 1522
2021
Q3 		$250K Buy
3,669,575
+3,531,380
+2,555% +$42.5M ﹤0.01% 1042
2021
Q2 		$1.5K Sell
138,195
-44,365
-24% -$462K 0.01% 634
2021
Q1 		$2.16M Buy
+182,560
New +$2.02M 0.02% 554

Other funds holding RKLB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
VS
VK Services Menlo Park, California $543K AUM 174.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Magnetar Financial's RKLB Position: Q3 2025 in Review

Magnetar Financial sold out of Rocket Lab Corp (RKLB) in Q3 2025, closing a stake of 8,780 shares — an estimated $314K sold.

Magnetar Financial first reported a position in RKLB in Q1 2021 and held it in 5 quarters. The position peaked at $2.16M in Q1 2021. 669 funds tracked by Wall St. Rank hold RKLB as of Q3 2025.

  • Magnetar Financial reported no remaining Rocket Lab Corp position as of Q3 2025 after selling out during the quarter.
  • Magnetar Financial sold 8,780 Rocket Lab Corp shares in Q3 2025, an estimated $314K.
  • Magnetar Financial first reported a position in Rocket Lab Corp in Q1 2021 and held it in 5 quarters.
  • Magnetar Financial's Rocket Lab Corp position peaked at $2.16M in Q1 2021.
  • 669 funds tracked by Wall St. Rank held Rocket Lab Corp as of Q3 2025.

Based on Magnetar Financial's 13F filing for Q3 2025, filed 13 Nov 2025.