Simplex Trading’s Rubrik RBRK Stock Holding History

Simplex Trading’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	$10.2M	Buy	126,600 +22,000	+21%	+$1.38M	0.01%	749
2026 Q1	$5.12M	Buy	104,600 +700	+0.7%	+$40.2K	﹤0.01%	1096
2025 Q4	$7.95M	Sell	103,900 -77,500	-43%	-$5.95M	﹤0.01%	996
2025 Q3	$14.9M	Buy	181,400 +123,400	+213%	+$10.6M	0.01%	753
2025 Q2	$5.2M	Sell	58,000 -2,900	-5%	-$229K	﹤0.01%	1313
2025 Q1	$3.71M	Sell	60,900 -19,600	-24%	-$1.34M	﹤0.01%	1514
2024 Q4	$5.26M	Buy	80,500 +52,300	+185%	+$2.58M	﹤0.01%	1444
2024 Q3	$906K	Sell	28,200 -72,100	-72%	-$2.39M	﹤0.01%	3010
2024 Q2	$3.08M	Buy	+100,300	New	+$3.3M	﹤0.01%	1816

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

Simplex Trading's RBRK Position: Q2 2026 in Review

Simplex Trading opened a new position in Rubrik (RBRK) in Q2 2026: 29,284 shares worth $2.35M. The stake represents ﹤0.01% of the portfolio and ranks #1861 among its holdings. This is a return to the name: Simplex Trading previously reported a position in RBRK as recently as Q4 2025.

Simplex Trading first reported a position in RBRK in Q2 2024 and has held it in 7 quarters since. The position peaked at $3.74M in Q3 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

Simplex Trading held 29,284 shares of Rubrik worth $2.35M as of Q2 2026.
Rubrik was a new Simplex Trading position in Q2 2026.
Rubrik made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #1861 holding.
Simplex Trading first reported a position in Rubrik in Q2 2024 and has held it in 7 quarters since.
Simplex Trading's Rubrik position peaked at $3.74M in Q3 2025.
574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.