Question 1

Does Two Sigma Advisers own RMBS stock?

Accepted Answer

Yes. As of its Q4 2025 13F, Two Sigma Advisers holds 46,700 shares of RMBS (Rambus), worth $4.3M.

Question 2

How many shares of RMBS does Two Sigma Advisers own?

Accepted Answer

As of its Q4 2025 13F, Two Sigma Advisers holds 46,700 shares of RMBS (Rambus).

Question 3

What is Two Sigma Advisers' RMBS position worth?

Accepted Answer

As of its Q4 2025 13F, Two Sigma Advisers' RMBS position is worth $4.3M.

Question 4

Is Two Sigma Advisers buying or selling RMBS?

Accepted Answer

In Q4 2025, Two Sigma Advisers increased its RMBS position by 6,600 shares (+16.5%).

Question 5

When did Two Sigma Advisers first buy RMBS?

Accepted Answer

Two Sigma Advisers already held RMBS in its Q4 2018 13F, the earliest on record, and has listed it in 29 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Increased	46,700	+16.5%	$4.3M	0.0%	$91.89	31
2025-Q3	Decreased	40,100	-69.0%	$4.2M	0.0%	$104.20	0
2025-Q2	Decreased	129,300	-56.0%	$8.3M	0.0%	$64.02	0
2025-Q1	Decreased	293,800	-32.5%	$15.2M	0.0%	$51.78	0
2024-Q4	Decreased	435,300	-22.7%	$23M	0.1%	$52.86	0
2024-Q3	Increased	562,900	+172.3%	$23.8M	0.1%	$42.22	46