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Rakuten Securities’s Rubrik RBRK Stock Holding History

Rakuten Securities’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 		$501K Buy
10,237
+3,210
+46% +$184K 0.21% 74
2025
Q4 		$537K Sell
7,027
-5,137
-42% -$394K 0.17% 74
2025
Q3 		$1M Buy
12,164
+2,001
+20% +$172K 0.37% 53
2025
Q2 		$911K Buy
10,163
+8,735
+612% +$691K 0.36% 46
2025
Q1 		$87.1K Sell
1,428
-5,685
-80% -$388K 0.04% 165
2024
Q4 		$465K Buy
+7,113
New +$351K 0.18% 61

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

Rakuten Securities's RBRK Position: Q1 2026 in Review

Rakuten Securities increased its Rubrik (RBRK) stake by 46% in Q1 2026, buying an estimated $184K and bringing the position to 10,237 shares worth $501K. The position accounts for 0.21% of the portfolio, ranked #74.

Rakuten Securities first reported a position in RBRK in Q4 2024 and has held it in 6 quarters since. The position peaked at $1M in Q3 2025. 462 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • Rakuten Securities held 10,237 shares of Rubrik worth $501K as of Q1 2026.
  • Rakuten Securities bought 3,210 Rubrik shares in Q1 2026, an estimated $184K.
  • Rubrik made up 0.21% of Rakuten Securities's portfolio in Q1 2026, its #74 holding.
  • Rakuten Securities first reported a position in Rubrik in Q4 2024 and has held it in 6 quarters since.
  • Rakuten Securities's Rubrik position peaked at $1M in Q3 2025.
  • 462 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Rakuten Securities's 13F filing for Q1 2026, filed 1 May 2026.