Alta Park Capital’s Rubrik RBRK Stock Holding History

Alta Park Capital’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 Q1	–	Sell	-247,762	Closed	-$18.9M	–	39
2025 Q4	$18.9M	Sell	247,762 -96,372	-28%	-$7.39M	2.28%	22
2025 Q3	$28.3M	Buy	+344,134	New	+$29.6M	2.47%	14

Other funds holding RBRK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 1-Year Est. Return

PointState Capital New York $7.82B AUM 43.51% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Alta Park Capital's RBRK Position: Q1 2026 in Review

Alta Park Capital sold out of Rubrik (RBRK) in Q1 2026, closing a stake of 247,762 shares — an estimated $18.9M sold.

Alta Park Capital first reported a position in RBRK in Q3 2025 and held it in 2 quarters. The position peaked at $28.3M in Q3 2025. 465 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

Alta Park Capital reported no remaining Rubrik position as of Q1 2026 after selling out during the quarter.
Alta Park Capital sold 247,762 Rubrik shares in Q1 2026, an estimated $18.9M.
Alta Park Capital first reported a position in Rubrik in Q3 2025 and held it in 2 quarters.
Alta Park Capital's Rubrik position peaked at $28.3M in Q3 2025.
465 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Alta Park Capital's 13F filing for Q1 2026, filed 15 May 2026.