Acadian Asset Management
RBRK icon

Acadian Asset Management’s Rubrik RBRK Stock Holding History

Acadian Asset 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
Q2 		$3.07M Buy
38,345
+22,059
+135% +$1.39M ﹤0.01% 942
2026
Q1 		$796K Sell
16,286
-123,364
-88% -$7.08M ﹤0.01% 1233
2025
Q4 		$10.7M Sell
139,650
-416,725
-75% -$32M 0.02% 467
2025
Q3 		$45.7M Sell
556,375
-998,877
-64% -$85.9M 0.08% 209
2025
Q2 		$139M Buy
1,555,252
+1,237,014
+389% +$97.8M 0.29% 84
2025
Q1 		$19.4M Buy
318,238
+310,490
+4,007% +$21.2M 0.05% 230
2024
Q4 		$506K Buy
+7,748
New +$383K ﹤0.01% 1070

Other funds holding RBRK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
VOYA Investment Management
VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Acadian Asset Management's RBRK Position: Q2 2026 in Review

Acadian Asset Management increased its Rubrik (RBRK) stake by 135% in Q2 2026, buying an estimated $1.39M and bringing the position to 38,345 shares worth $3.07M. The position accounts for ﹤0.01% of the portfolio, ranked #942.

Acadian Asset Management first reported a position in RBRK in Q4 2024 and has held it in 7 quarters since. The position peaked at $139M in Q2 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

  • Acadian Asset Management held 38,345 shares of Rubrik worth $3.07M as of Q2 2026.
  • Acadian Asset Management bought 22,059 Rubrik shares in Q2 2026, an estimated $1.39M.
  • Rubrik made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #942 holding.
  • Acadian Asset Management first reported a position in Rubrik in Q4 2024 and has held it in 7 quarters since.
  • Acadian Asset Management's Rubrik position peaked at $139M in Q2 2025.
  • 574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.