Tower Research Capital (TRC)’s Rubrik RBRK Stock Holding History

Tower Research Capital (TRC)’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	$1.52K	Sell	19 -1,601	-99%	-$101K	﹤0.01%	4800
2026 Q1	$79.3K	Buy	1,620 +1,431	+757%	+$82.1K	﹤0.01%	2368
2025 Q4	$14.5K	Sell	189 -4,006	-95%	-$307K	﹤0.01%	3347
2025 Q3	$345K	Buy	4,195 +2,444	+140%	+$210K	0.01%	1095
2025 Q2	$157K	Sell	1,751 -2,508	-59%	-$198K	﹤0.01%	2008
2025 Q1	$260K	Buy	4,259 +1,233	+41%	+$84.2K	0.01%	1221
2024 Q4	$198K	Buy	3,026 +2,361	+355%	+$117K	﹤0.01%	1729
2024 Q3	$21.4K	Buy	+665	New	+$22K	﹤0.01%	3199

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

Tower Research Capital (TRC)'s RBRK Position: Q2 2026 in Review

Tower Research Capital (TRC) reduced its Rubrik (RBRK) stake by 99% in Q2 2026, selling an estimated $101K and leaving 19 shares worth $1.52K. The position accounts for ﹤0.01% of the portfolio, ranked #4800.

Tower Research Capital (TRC) first reported a position in RBRK in Q3 2024 and has held it in 8 quarters since. The position peaked at $345K in Q3 2025. 574 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

Tower Research Capital (TRC) held 19 shares of Rubrik worth $1.52K as of Q2 2026.
Tower Research Capital (TRC) sold 1,601 Rubrik shares in Q2 2026, an estimated $101K.
Rubrik made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q2 2026, its #4800 holding.
Tower Research Capital (TRC) first reported a position in Rubrik in Q3 2024 and has held it in 8 quarters since.
Tower Research Capital (TRC)'s Rubrik position peaked at $345K in Q3 2025.
574 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.