Prelude Capital Management’s Rubrik RBRK Stock Holding History

Prelude 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	$350K	Sell	4,357 -2,942	-40%	-$185K	0.03%	687
2026 Q1	$357K	Sell	7,299 -6,593	-47%	-$378K	0.03%	641
2025 Q4	$1.06M	Buy	13,892 +1,329	+11%	+$102K	0.08%	284
2025 Q3	$1.03M	Buy	12,563 +3,136	+33%	+$270K	0.08%	302
2025 Q2	$845K	Buy	+9,427	New	+$745K	0.08%	297
2025 Q1	–	Sell	-5,000	Closed	-$327K	–	1580
2024 Q4	$327K	Buy	+5,000	New	+$247K	0.02%	765

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

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

Prelude Capital Management reduced its Rubrik (RBRK) stake by 40% in Q2 2026, selling an estimated $185K and leaving 4,357 shares worth $350K. The position accounts for 0.03% of the portfolio, ranked #687.

Prelude Capital Management first reported a position in RBRK in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.06M in Q4 2025. 575 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

Prelude Capital Management held 4,357 shares of Rubrik worth $350K as of Q2 2026.
Prelude Capital Management sold 2,942 Rubrik shares in Q2 2026, an estimated $185K.
Rubrik made up 0.03% of Prelude Capital Management's portfolio in Q2 2026, its #687 holding.
Prelude Capital Management first reported a position in Rubrik in Q4 2024 and has held it in 6 quarters since.
Prelude Capital Management's Rubrik position peaked at $1.06M in Q4 2025.
575 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

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