Question 1

How many shares of RMBS does D. E. Shaw & Co., Inc. own?

Accepted Answer

As of 2026-Q2, D. E. Shaw & Co., Inc. holds 739,701 shares of RMBS (RAMBUS INC).

Question 2

What is D. E. Shaw & Co., Inc.'s RMBS position worth?

Accepted Answer

As of 2026-Q2, D. E. Shaw & Co., Inc.'s RMBS position is worth $98.2M.

Question 3

Is D. E. Shaw & Co., Inc. buying or selling RMBS?

Accepted Answer

In 2026-Q2, D. E. Shaw & Co., Inc. increased their RMBS position (+5676.7% change in shares).

Question 4

When did D. E. Shaw & Co., Inc. first buy RMBS?

Accepted Answer

Based on available 13F filings, D. E. Shaw & Co., Inc. first reported a position in RMBS in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	739,701	+5676.7%	$98.2M	0.0%	$132.74	48
2026-Q1	Decreased	12,805	-30.8%	$1.1M	0.0%	$87.59	0
2025-Q4	Decreased	18,491	-78.5%	$1.7M	0.0%	$94.69	0
2025-Q3	Increased	86,103	+63.9%	$9M	0.0%	$103.99	40
2025-Q2	Decreased	52,532	-7.5%	$3.4M	0.0%	$64.00	0
2025-Q1	Decreased	56,758	-85.6%	$2.9M	0.0%	$53.70	0
2024-Q4	Decreased	394,352	-50.8%	$20.8M	0.0%	$53.60	0
2024-Q3	Increased	800,699	+1402.1%	$33.8M	0.0%	$42.12	47