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RBRK icon

Cubist Systematic Strategies’s Rubrik RBRK Stock Holding History

Cubist Systematic Strategies’s Portfolio RBRK Stock Details RBRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$1.17M Sell
14,200
-93,000
-87% -$7.99M 0.01% 1872
2025
Q2 		$9.6M Buy
107,200
+5,000
+5% +$395K 0.04% 629
2025
Q1 		$6.23M Buy
102,200
+63,800
+166% +$4.36M 0.04% 748
2024
Q4 		$2.51M Buy
+38,400
New +$1.9M 0.02% 1224

Other funds holding RBRK

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
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Cubist Systematic Strategies's RBRK Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its Rubrik (RBRK) stake by 99% in Q3 2025, selling an estimated $9.31M and leaving 713 shares worth $58.6K. The position accounts for ﹤0.01% of the portfolio, ranked #2837.

Cubist Systematic Strategies first reported a position in RBRK in Q4 2024 and has held it in 4 quarters since. The position peaked at $16.6M in Q1 2025. 436 funds tracked by Wall St. Rank hold RBRK as of Q3 2025.

  • Cubist Systematic Strategies held 713 shares of Rubrik worth $58.6K as of Q3 2025.
  • Cubist Systematic Strategies sold 108,288 Rubrik shares in Q3 2025, an estimated $9.31M.
  • Rubrik made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2837 holding.
  • Cubist Systematic Strategies first reported a position in Rubrik in Q4 2024 and has held it in 4 quarters since.
  • Cubist Systematic Strategies's Rubrik position peaked at $16.6M in Q1 2025.
  • 436 funds tracked by Wall St. Rank held Rubrik as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.