Question 1

Does BlackRock own RBRK stock?

Accepted Answer

Yes. As of its Q2 2026 13F, BlackRock holds 9,990,174 shares of RBRK (Rubrik), worth $802M.

Question 2

How many shares of RBRK does BlackRock own?

Accepted Answer

As of its Q2 2026 13F, BlackRock holds 9,990,174 shares of RBRK (Rubrik).

Question 3

What is BlackRock's RBRK position worth?

Accepted Answer

As of its Q2 2026 13F, BlackRock's RBRK position is worth $802M.

Question 4

Is BlackRock buying or selling RBRK?

Accepted Answer

In Q2 2026, BlackRock increased its RBRK position by 1,173,358 shares (+13.3%).

Question 5

When did BlackRock first buy RBRK?

Accepted Answer

BlackRock already held RBRK in its Q3 2024 13F, the earliest on record, and has listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	10M	+13.3%	$802M	0.0%	$80.28	36
2026-Q1	Decreased	8.8M	-24.8%	$431.8M	0.0%	$53.87	0
2025-Q4	Increased	11.7M	+15.7%	$896.1M	0.0%	$77.87	37
2025-Q3	Increased	10.1M	+21.2%	$832.9M	0.0%	$83.34	38
2025-Q2	Increased	8.4M	+265.2%	$748.5M	0.0%	$87.38	51
2025-Q1	Increased	2.3M	+27.7%	$139.5M	0.0%	$63.66	38
2024-Q4	Increased	1.8M	+39.5%	$117.1M	0.0%	$65.36	40
2024-Q3	First report	1.3M	-	$41.3M	0.0%	$32.15	0

RBRK8 quarters

RBRK
8 quarters