ARK Investment Management’s Rubrik RBRK Stock Holding History

ARK Investment 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	$29.3M	Sell	365,426 -29,623	-7%	-$1.86M	0.19%	81
2026 Q1	$19.3M	Sell	395,049 -59,227	-13%	-$3.4M	0.15%	83
2025 Q4	$34.7M	Buy	454,276 +135,164	+42%	+$10.4M	0.23%	67
2025 Q3	$26.2M	Buy	319,112 +55,500	+21%	+$4.77M	0.16%	84
2025 Q2	$23.6M	Sell	263,612 -130,664	-33%	-$10.3M	0.17%	67
2025 Q1	$24M	Sell	394,276 -21,548	-5%	-$1.47M	0.24%	56
2024 Q4	$27.2M	Sell	415,824 -5,108	-1%	-$252K	0.23%	59
2024 Q3	$13.5M	Buy	420,932 +223,850	+114%	+$7.42M	0.12%	81
2024 Q2	$6.04M	Buy	+197,082	New	+$6.48M	0.05%	110

Other funds holding RBRK

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 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

Norges Bank Oslo, Norway $1T AUM

VOYA Investment Management Atlanta, Georgia $116B AUM 61.47% 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

ARK Investment Management's RBRK Position: Q2 2026 in Review

ARK Investment Management reduced its Rubrik (RBRK) stake by 7.5% in Q2 2026, selling an estimated $1.86M and leaving 365,426 shares worth $29.3M. The position accounts for 0.19% of the portfolio, ranked #81.

ARK Investment Management first reported a position in RBRK in Q2 2024 and has held it in 9 quarters since. The position peaked at $34.7M in Q4 2025. 575 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

ARK Investment Management held 365,426 shares of Rubrik worth $29.3M as of Q2 2026.
ARK Investment Management sold 29,623 Rubrik shares in Q2 2026, an estimated $1.86M.
Rubrik made up 0.19% of ARK Investment Management's portfolio in Q2 2026, its #81 holding.
ARK Investment Management first reported a position in Rubrik in Q2 2024 and has held it in 9 quarters since.
ARK Investment Management's Rubrik position peaked at $34.7M in Q4 2025.
575 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

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