SEI Investments
RBRK icon

SEI Investments’s Rubrik RBRK Stock Holding History

SEI Investments’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 		$5.02M Sell
102,575
-6,048
-6% -$347K ﹤0.01% 1529
2025
Q4 		$8.31M Buy
108,623
+56,585
+109% +$4.34M 0.01% 1145
2025
Q3 		$4.28M Sell
52,038
-98,263
-65% -$8.45M ﹤0.01% 1369
2025
Q2 		$13.5M Buy
150,301
+88,277
+142% +$6.98M 0.02% 866
2025
Q1 		$3.78M Buy
62,024
+43,513
+235% +$2.97M ﹤0.01% 1381
2024
Q4 		$1.21M Buy
18,511
+9,187
+99% +$454K ﹤0.01% 1859
2024
Q3 		$300K Buy
9,324
+1,674
+22% +$55.5K ﹤0.01% 2353
2024
Q2 		$235K Buy
+7,650
New +$252K ﹤0.01% 2416

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

SEI Investments's RBRK Position: Q1 2026 in Review

SEI Investments reduced its Rubrik (RBRK) stake by 5.6% in Q1 2026, selling an estimated $347K and leaving 102,575 shares worth $5.02M. The position accounts for ﹤0.01% of the portfolio, ranked #1529.

SEI Investments first reported a position in RBRK in Q2 2024 and has held it in 8 quarters since. The position peaked at $13.5M in Q2 2025. 462 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • SEI Investments held 102,575 shares of Rubrik worth $5.02M as of Q1 2026.
  • SEI Investments sold 6,048 Rubrik shares in Q1 2026, an estimated $347K.
  • Rubrik made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #1529 holding.
  • SEI Investments first reported a position in Rubrik in Q2 2024 and has held it in 8 quarters since.
  • SEI Investments's Rubrik position peaked at $13.5M in Q2 2025.
  • 462 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.