BAMCO Inc’s Rubrik RBRK Stock Holding History

BAMCO Inc’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	$89.5M	Buy	1,115,395 +837,860	+302%	+$52.7M	0.13%	76
2026 Q1	$13.6M	Buy	277,535 +272,783	+5,740%	+$15.7M	0.04%	214
2025 Q4	$363K	Buy	+4,752	New	+$365K	﹤0.01%	314

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 $3.38T AUM 44.17% 1-Year Est. Return

BAMCO Inc's RBRK Position: Q2 2026 in Review

BAMCO Inc increased its Rubrik (RBRK) stake by 302% in Q2 2026, buying an estimated $52.7M and bringing the position to 1,115,395 shares worth $89.5M. The position accounts for 0.13% of the portfolio, ranked #76.

BAMCO Inc first reported a position in RBRK in Q4 2025 and has held it in 3 quarters since. 575 funds tracked by Wall St. Rank hold RBRK as of Q2 2026.

BAMCO Inc held 1,115,395 shares of Rubrik worth $89.5M as of Q2 2026.
BAMCO Inc bought 837,860 Rubrik shares in Q2 2026, an estimated $52.7M.
Rubrik made up 0.13% of BAMCO Inc's portfolio in Q2 2026, its #76 holding.
BAMCO Inc first reported a position in Rubrik in Q4 2025 and has held it in 3 quarters since.
575 funds tracked by Wall St. Rank held Rubrik as of Q2 2026.

Based on BAMCO Inc's 13F filing for Q2 2026, filed 14 Aug 2026.