Acadian Asset Management’s Rubrik RBRK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
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

Acadian Asset Management's RBRK Position: Q1 2026 in Review

Acadian Asset Management reduced its Rubrik (RBRK) stake by 88% in Q1 2026, selling an estimated $7.08M and leaving 16,286 shares worth $796K. The position accounts for ﹤0.01% of the portfolio, ranked #1233.

Acadian Asset Management first reported a position in RBRK in Q4 2024 and has held it in 6 quarters since. The position peaked at $139M in Q2 2025. 462 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • Acadian Asset Management held 16,286 shares of Rubrik worth $796K as of Q1 2026.
  • Acadian Asset Management sold 123,364 Rubrik shares in Q1 2026, an estimated $7.08M.
  • Rubrik made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1233 holding.
  • Acadian Asset Management first reported a position in Rubrik in Q4 2024 and has held it in 6 quarters since.
  • Acadian Asset Management's Rubrik position peaked at $139M in Q2 2025.
  • 462 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.