Does D. E. Shaw own RMBS stock?

Yes. As of its Q2 2026 13F, D. E. Shaw holds 739,701 shares of RMBS (Rambus), worth $98.2M.

How many shares of RMBS does D. E. Shaw own?

As of its Q2 2026 13F, D. E. Shaw holds 739,701 shares of RMBS (Rambus).

As of its Q2 2026 13F, D. E. Shaw's RMBS position is worth $98.2M.

In Q2 2026, D. E. Shaw increased its RMBS position from 12,805 to 739,701 shares.

D. E. Shaw already held RMBS in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

31 quarters

Position history for DED. E. Shaw & Co., Inc.'s holdings in Rambus, Inc.

Current Value

$98.2M

Current Shares

739,701

Total Value Change

+$90.2M

Total Shares Change

-298,381

Quarter-by-Quarter History

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%	$86.03	0
2025-Q4	Decreased	18,491	-78.5%	$1.7M	0.0%	$91.89	0
2025-Q3	Increased	86,103	+63.9%	$9M	0.0%	$104.20	40
2025-Q2	Decreased	52,532	-7.5%	$3.4M	0.0%	$64.02	0
2025-Q1	Decreased	56,758	-85.6%	$2.9M	0.0%	$51.78	0
2024-Q4	Decreased	394,352	-50.8%	$20.8M	0.0%	$52.86	0
2024-Q3	Increased	800,699	+1402.1%	$33.8M	0.0%	$42.22	47
2024-Q2	Decreased	53,305	-30.3%	$3.1M	0.0%	$58.76	0
2024-Q1	Decreased	76,525	-21.5%	$4.7M	0.0%	$61.81	0
2023-Q4	Decreased	97,431	-53.0%	$6.6M	0.0%	$68.25	0
2023-Q3	Decreased	207,310	-66.5%	$11.6M	0.0%	$55.79	0
2023-Q2	Decreased	619,792	-42.1%	$39.8M	0.0%	$64.17	0
2023-Q1	Decreased	1.1M	-12.5%	$54.9M	0.1%	$51.26	0
2022-Q4	Decreased	1.2M	-3.8%	$43.8M	0.0%	$35.82	0
2022-Q3	Decreased	1.3M	-2.0%	$32.3M	0.0%	$25.42	0
2022-Q2	Increased	1.3M	+1.5%	$27.9M	0.0%	$21.49	29
2022-Q1	Decreased	1.3M	-5.6%	$40.8M	0.0%	$31.89	0
2021-Q4	Decreased	1.4M	-9.5%	$39.8M	0.0%	$29.39	0
2021-Q3	Increased	1.5M	+8.5%	$33.2M	0.0%	$22.20	31
2021-Q2	Increased	1.4M	+8.2%	$32.7M	0.0%	$23.71	31
2021-Q1	Decreased	1.3M	-22.1%	$24.8M	0.0%	$19.44	0
2020-Q4	Increased	1.6M	+5.3%	$28.6M	0.0%	$17.46	30
2020-Q3	Increased	1.6M	+0.1%	$21.3M	0.0%	$13.69	28
2020-Q2	Decreased	1.6M	-16.2%	$23.6M	0.0%	$15.20	0
2020-Q1	Decreased	1.9M	-18.8%	$20.6M	0.0%	$11.10	0
2019-Q4	Decreased	2.3M	-9.5%	$31.4M	0.0%	$13.78	0
2019-Q3	Decreased	2.5M	-2.1%	$33.1M	0.0%	$13.13	0
2019-Q2	Increased	2.6M	+12.1%	$31M	0.0%	$12.04	32
2019-Q1	Increased	2.3M	+121.3%	$24M	0.0%	$10.45	46
2018-Q4	First report	1M	-	$8M	0.0%	$7.67	0

Other major holders of RMBS: BlackRock, Inc., FMR LLC