Citadel Advisors
RBRK icon

Citadel Advisors’s Rubrik RBRK Stock Holding History

Citadel Advisors’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 		– Sell
-731,217
Closed -$46M – 15071
2026
Q1 		$35.8M Buy
731,217
+155,344
+27% +$8.92M 0.01% 1676
2025
Q4 		$44M Sell
575,873
-2,103,346
-79% -$161M 0.01% 1542
2025
Q3 		$220M Buy
2,679,219
+1,004,312
+60% +$86.3M 0.03% 440
2025
Q2 		$150M Buy
1,674,907
+641,688
+62% +$50.7M 0.03% 523
2025
Q1 		$63M Buy
1,033,219
+325,645
+46% +$22.2M 0.01% 979
2024
Q4 		$46.2M Buy
707,574
+307,931
+77% +$15.2M 0.01% 1341
2024
Q3 		$12.8M Sell
399,643
-369,305
-48% -$12.2M ﹤0.01% 2560
2024
Q2 		$23.6M Buy
+768,948
New +$25.3M ﹤0.01% 1829

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

Citadel Advisors's RBRK Position: Q2 2026 in Review

Citadel Advisors sold out of Rubrik (RBRK) in Q2 2026, closing a stake of 731,217 shares — an estimated $46M sold.

Citadel Advisors first reported a position in RBRK in Q2 2024 and held it in 8 quarters. The position peaked at $220M in Q3 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

  • Citadel Advisors reported no remaining Rubrik position as of Q2 2026 after selling out during the quarter.
  • Citadel Advisors sold 731,217 Rubrik shares in Q2 2026, an estimated $46M.
  • Citadel Advisors first reported a position in Rubrik in Q2 2024 and held it in 8 quarters.
  • Citadel Advisors's Rubrik position peaked at $220M in Q3 2025.
  • 574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.