Question 1

Does BlackRock own IBKR stock?

Accepted Answer

Yes. As of its Q2 2026 13F, BlackRock holds 33,129,663 shares of IBKR (Interactive Brokers Grocl), worth $2.9B.

Question 2

How many shares of IBKR does BlackRock own?

Accepted Answer

As of its Q2 2026 13F, BlackRock holds 33,129,663 shares of IBKR (Interactive Brokers Grocl).

Question 3

What is BlackRock's IBKR position worth?

Accepted Answer

As of its Q2 2026 13F, BlackRock's IBKR position is worth $2.9B.

Question 4

Is BlackRock buying or selling IBKR?

Accepted Answer

In Q2 2026, BlackRock increased its IBKR position by 1,754,626 shares (+5.6%).

Question 5

When did BlackRock first buy IBKR?

Accepted Answer

BlackRock already held IBKR 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	33.1M	+5.6%	$2.9B	0.0%	$86.96	34
2026-Q1	Decreased	31.4M	-1.0%	$2.1B	0.0%	$66.94	0
2025-Q4	Increased	31.7M	+2.3%	$2B	0.0%	$64.12	33
2025-Q3	Decreased	31M	-23.0%	$2.1B	0.0%	$68.52	0
2025-Q2	Increased	40.2M	+286.4%	$2.2B	0.0%	$55.11	51
2025-Q1	Increased	10.4M	+0.8%	$1.7B	0.0%	$41.11	32
2024-Q4	Increased	10.3M	+8.0%	$1.8B	0.0%	$43.80	35
2024-Q3	First report	9.6M	-	$1.3B	0.0%	$34.51	0

IBKR8 quarters

IBKR
8 quarters