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Summit Partners Public Asset Management’s Rubrik RBRK Stock Holding History

Summit Partners Public 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
2025
Q4 		– Sell
-333,800
Closed -$27.5M – 220
2025
Q3 		$27.5M Sell
333,800
-350,200
-51% -$30.1M 0.57% 58
2025
Q2 		$61.3M Buy
684,000
+384,000
+128% +$30.4M 1.55% 18
2025
Q1 		$18.3M Buy
300,000
+150,000
+100% +$10.2M 0.47% 73
2024
Q4 		$9.8M Buy
+150,000
New +$7.41M 0.19% 113

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

Summit Partners Public Asset Management's RBRK Position: Q1 2026 in Review

Summit Partners Public Asset Management reduced its Rubrik (RBRK) stake by 80% in Q1 2026, selling an estimated $45.1M and leaving 200,000 shares worth $9.79M. The position accounts for 0.26% of the portfolio, ranked #91.

Summit Partners Public Asset Management first reported a position in RBRK in Q3 2024 and has held it in 7 quarters since. The position peaked at $89.1M in Q2 2025. 463 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

  • Summit Partners Public Asset Management held 200,000 shares of Rubrik worth $9.79M as of Q1 2026.
  • Summit Partners Public Asset Management sold 785,000 Rubrik shares in Q1 2026, an estimated $45.1M.
  • Rubrik made up 0.26% of Summit Partners Public Asset Management's portfolio in Q1 2026, its #91 holding.
  • Summit Partners Public Asset Management first reported a position in Rubrik in Q3 2024 and has held it in 7 quarters since.
  • Summit Partners Public Asset Management's Rubrik position peaked at $89.1M in Q2 2025.
  • 463 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.