John Overdeck’s Rubrik RBRK Stock Holding History

John Overdeck’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	$626K	Buy	7,800 +2,800	+56%	+$176K	﹤0.01%	3990
2026 Q1	$245K	Buy	+5,000	New	+$287K	﹤0.01%	4188

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

John Overdeck's RBRK Position: Q2 2026 in Review

John Overdeck reduced its Rubrik (RBRK) stake by 76% in Q2 2026, selling an estimated $110M and leaving 561,015 shares worth $45M. The position accounts for 0.03% of the portfolio, ranked #603.

John Overdeck first reported a position in RBRK in Q2 2024 and has held it in 9 quarters since. The position peaked at $113M in Q1 2026. 569 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

John Overdeck held 561,015 shares of Rubrik worth $45M as of Q2 2026.
John Overdeck sold 1,752,229 Rubrik shares in Q2 2026, an estimated $110M.
Rubrik made up 0.03% of John Overdeck's portfolio in Q2 2026, its #603 holding.
John Overdeck first reported a position in Rubrik in Q2 2024 and has held it in 9 quarters since.
John Overdeck's Rubrik position peaked at $113M in Q1 2026.
569 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.