Question 1

How many shares of IBKR does TWO SIGMA INVESTMENTS, LP own?

Accepted Answer

As of 2026-Q1, TWO SIGMA INVESTMENTS, LP holds 8.3M shares of IBKR (INTERACTIVE BROKERS GROUP IN).

Question 2

What is TWO SIGMA INVESTMENTS, LP's IBKR position worth?

Accepted Answer

As of 2026-Q1, TWO SIGMA INVESTMENTS, LP's IBKR position is worth $557.6M.

Question 3

Is TWO SIGMA INVESTMENTS, LP buying or selling IBKR?

Accepted Answer

In 2026-Q1, TWO SIGMA INVESTMENTS, LP increased their IBKR position (+135.7% change in shares).

Question 4

When did TWO SIGMA INVESTMENTS, LP first buy IBKR?

Accepted Answer

Based on available 13F filings, TWO SIGMA INVESTMENTS, LP first reported a position in IBKR in 2024-Q2. They have held the position across 8 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	8.3M	+135.7%	$557.6M	0.4%	$69.40	61
2025-Q4	Decreased	3.5M	-1.4%	$226.8M	0.3%	$65.00	0
2025-Q3	Increased	3.6M	+18.3%	$246M	0.4%	$68.72	43
2025-Q2	Increased	3M	+349.9%	$167.5M	0.3%	$53.82	59
2025-Q1	Increased	671,851	+37.3%	$111.3M	0.2%	$41.01	47
2024-Q4	Increased	489,175	+343.9%	$86.4M	0.2%	$44.50	57
2024-Q3	Increased	110,194	+86.6%	$15.4M	0.0%	$34.16	44
2024-Q2	New	59,052	-	$7.2M	0.0%	$30.39	38

IBKR8 quarters

IBKR
8 quarters