Knollwood Investment Advisory’s Rubrik RBRK Stock Holding History

Knollwood Investment Advisory’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 Q1	$11.6M	Hold	237,420	–	–	1.17%	18
2025 Q4	$18.2M	Buy	237,420 +27,802	+13%	+$2.13M	1.71%	10
2025 Q3	$17.2M	Buy	209,618 +88,886	+74%	+$7.64M	1.55%	12
2025 Q2	$10.8M	Buy	120,732 +70,844	+142%	+$5.6M	1.04%	15
2025 Q1	$3.04M	Sell	49,888 -5,000	-9%	-$341K	0.34%	68
2024 Q4	$3.59M	Sell	54,888 -55,000	-50%	-$2.72M	0.38%	56
2024 Q3	$1.3M	Buy	+109,888	New	+$3.64M	0.14%	166

Other funds holding RBRK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

VOYA Investment Management Atlanta, Georgia $96.1B AUM 40.06% 1-Year Est. Return

PointState Capital New York $7.9B AUM 42.31% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Knollwood Investment Advisory's RBRK Position: Q1 2026 in Review

Knollwood Investment Advisory held its Rubrik (RBRK) position steady in Q1 2026 at 237,420 shares worth $11.6M. The position accounts for 1.17% of the portfolio, ranked #18.

Knollwood Investment Advisory first reported a position in RBRK in Q3 2024 and has held it in 7 quarters since. The position peaked at $18.2M in Q4 2025. 463 funds tracked by Wall St. Rank hold RBRK as of Q1 2026.

Knollwood Investment Advisory held 237,420 shares of Rubrik worth $11.6M as of Q1 2026.
Knollwood Investment Advisory left its Rubrik share count unchanged in Q1 2026.
Rubrik made up 1.17% of Knollwood Investment Advisory's portfolio in Q1 2026, its #18 holding.
Knollwood Investment Advisory first reported a position in Rubrik in Q3 2024 and has held it in 7 quarters since.
Knollwood Investment Advisory's Rubrik position peaked at $18.2M in Q4 2025.
463 funds tracked by Wall St. Rank held Rubrik as of Q1 2026.

Based on Knollwood Investment Advisory's 13F filing for Q1 2026, filed 14 May 2026.