Twin Tree Management
RBRK icon

Twin Tree Management’s Rubrik RBRK Stock Holding History

Twin Tree Management’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
2026
Q1 		$4.15M Sell
84,800
-96,000
-53% -$5.51M 0.09% 263
2025
Q4 		$13.8M Sell
180,800
-33,100
-15% -$2.54M 0.12% 210
2025
Q3 		$17.6M Buy
213,900
+185,800
+661% +$16M 0.07% 324
2025
Q2 		$2.52M Buy
+28,100
New +$2.22M ﹤0.01% 1200

Other funds holding RBRK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
PC
PointState Capital New York $7.9B AUM 42.31% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 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

Twin Tree Management's RBRK Position: Q1 2026 in Review

Twin Tree Management increased its Rubrik (RBRK) stake by 204% in Q1 2026, buying an estimated $3.28M and bringing the position to 85,031 shares worth $4.16M. The position accounts for 0.09% of the portfolio, ranked #262.

Twin Tree Management first reported a position in RBRK in Q3 2025 and has held it in 3 quarters since. The position peaked at $4.18M in Q3 2025. 462 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • Twin Tree Management held 85,031 shares of Rubrik worth $4.16M as of Q1 2026.
  • Twin Tree Management bought 57,092 Rubrik shares in Q1 2026, an estimated $3.28M.
  • Rubrik made up 0.09% of Twin Tree Management's portfolio in Q1 2026, its #262 holding.
  • Twin Tree Management first reported a position in Rubrik in Q3 2025 and has held it in 3 quarters since.
  • Twin Tree Management's Rubrik position peaked at $4.18M in Q3 2025.
  • 462 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

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