Summit Trail Advisors’s Rubrik RBRK Stock Holding History

Summit Trail Advisors’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	$5.17M	Sell	64,379 -1,251	-2%	-$78.7K	0.07%	178
2026 Q1	$3.21M	Sell	65,630 -1,597	-2%	-$91.7K	0.05%	284
2025 Q4	$5.14M	Sell	67,227 -1,196	-2%	-$91.7K	0.09%	127
2025 Q3	$5.63M	Buy	68,423 +12,096	+21%	+$1.04M	0.08%	127
2025 Q2	$5.05M	Buy	+56,327	New	+$4.45M	0.09%	118
2024 Q4	–	Sell	-19,428	Closed	-$625K	–	799
2024 Q3	$625K	Buy	+19,428	New	+$644K	0.02%	354

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

Summit Trail Advisors's RBRK Position: Q2 2026 in Review

Summit Trail Advisors reduced its Rubrik (RBRK) stake by 1.9% in Q2 2026, selling an estimated $78.7K and leaving 64,379 shares worth $5.17M. The position accounts for 0.07% of the portfolio, ranked #178.

Summit Trail Advisors first reported a position in RBRK in Q3 2024 and has held it in 6 quarters since. The position peaked at $5.63M in Q3 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

Summit Trail Advisors held 64,379 shares of Rubrik worth $5.17M as of Q2 2026.
Summit Trail Advisors sold 1,251 Rubrik shares in Q2 2026, an estimated $78.7K.
Rubrik made up 0.07% of Summit Trail Advisors's portfolio in Q2 2026, its #178 holding.
Summit Trail Advisors first reported a position in Rubrik in Q3 2024 and has held it in 6 quarters since.
Summit Trail Advisors's Rubrik position peaked at $5.63M in Q3 2025.
574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Summit Trail Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.