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Driehaus Capital Management’s Rubrik RBRK Stock Holding History

Driehaus Capital 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 		$39.5M Buy
+492,208
New +$31M 0.23% 141
2025
Q4 		– Sell
-510,935
Closed -$42M – 502
2025
Q3 		$42M Buy
510,935
+74,147
+17% +$6.37M 0.3% 108
2025
Q2 		$39.1M Buy
+436,788
New +$34.5M 0.31% 108

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

Driehaus Capital Management's RBRK Position: Q2 2026 in Review

Driehaus Capital Management opened a new position in Rubrik (RBRK) in Q2 2026: 492,208 shares worth $39.5M. The stake represents 0.23% of the portfolio and ranks #141 among its holdings. This is a return to the name: Driehaus Capital Management previously reported a position in RBRK as recently as Q3 2025.

Driehaus Capital Management first reported a position in RBRK in Q2 2025 and has held it in 3 quarters since. The position peaked at $42M in Q3 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

  • Driehaus Capital Management held 492,208 shares of Rubrik worth $39.5M as of Q2 2026.
  • Rubrik was a new Driehaus Capital Management position in Q2 2026.
  • Rubrik made up 0.23% of Driehaus Capital Management's portfolio in Q2 2026, its #141 holding.
  • Driehaus Capital Management first reported a position in Rubrik in Q2 2025 and has held it in 3 quarters since.
  • Driehaus Capital Management's Rubrik position peaked at $42M in Q3 2025.
  • 574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.