D. E. Shaw & Co., Inc.

Position in RMBS — Rambus Inc

CIK 1009207 New York, NY

Back to RMBS Full portfolio

Position in RMBS

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$98,187,910

+$97,086,297 QoQ

Shares Held

739,701

+5676.7% QoQ

Ownership

0.684%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#27

of 618 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in RMBS Over Time

Shares Held

Position Value (USD)

Derivatives in RMBS

reported options exposure · as of Dec 31, 2023

CallValue

$2,914,275

CallShares

42,700

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductors

Technology · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $13,029,471,514 across 52 Semiconductors names. RMBS ranks #21 (0.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	20,042,818	$4,010,367,452
2	AMD	Advanced Micro Devices Inc	3,082,478	$1,790,642,293
3	INTC	Intel Corp	8,390,168	$1,171,519,157
4	AVGO	Broadcom Inc.	2,722,161	$1,028,296,316
5	MU	Micron Technology Inc	768,773	$887,386,985
6	MRVL	Marvell Technology, Inc.	2,504,623	$746,102,144
7	TSM	Taiwan Semiconductor Manufacturing Co Ltd	773,051	$369,185,966
8	ALAB	Astera Labs, Inc.	680,298	$328,597,539

All Filings in RMBS

Export CSV

34 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$98,187,910	739,701	+5676.7%	Shares	Defined	2026-08-14
2026-03-31	$1,101,613	12,805	-30.8%	Shares	Defined	2026-05-15
2025-12-31	$1,699,137	18,491	-78.5%	Shares	Defined	2026-02-17
2025-09-30	$8,971,931	86,103	+63.9%	Shares	Defined	2025-11-14
2025-06-30	$3,363,098	52,532	-7.4%	Shares	Defined	2025-08-14
2025-03-31	$2,938,928	56,758	-85.6%	Shares	Defined	2025-05-15
2024-12-31	$20,845,445	394,352	-50.7%	Shares	Defined	2025-02-14
2024-09-30	$33,805,511	800,699	+1402.1%	Shares	Defined	2024-11-14
2024-06-30	$3,132,201	53,305	-30.3%	Shares	Defined	2024-08-14
2024-03-31	$4,730,010	76,525	-21.5%	Shares	Defined	2024-05-15
2023-12-31	$6,649,665	97,431	-53.0%	Shares	Defined	2024-02-14
2023-12-31	$2,914,275	42,700	0.0%	Call	Defined	2024-02-14
2023-09-30	$2,382,233	42,700	0.0%	Call	Defined	2023-11-14
2023-09-30	$11,565,824	207,310	-66.6%	Shares	Defined	2023-11-14
2023-06-30	$39,772,052	619,792	-42.1%	Shares	Defined	2023-08-14
2023-06-30	$2,740,059	42,700	-58.4%	Call	Defined	2023-08-14
2023-03-31	$3,772,736	73,600	—	Put	Defined	2023-05-15
2023-03-31	$5,259,276	102,600	0.0%	Call	Defined	2023-05-15
2023-03-31	$54,878,904	1,070,599	-12.5%	Shares	Defined	2023-05-15
2022-12-31	$43,827,452	1,223,547	-3.8%	Shares	Defined	2023-02-14
2022-12-31	$3,675,132	102,600	+32.9%	Call	Defined	2023-02-14
2022-09-30	$32,327,960	1,271,753	-2.0%	Shares	Defined	2022-11-14
2022-06-30	$27,894,148	1,298,006	+1.5%	Shares	Defined	2022-08-15
2022-03-31	$2,461,908	77,200	0.0%	Call	Defined	2022-05-16
2022-03-31	$40,766,070	1,278,334	-5.6%	Shares	Defined	2022-05-16
2021-12-31	$39,794,441	1,354,013	-9.5%	Shares	Defined	2022-02-14
2021-12-31	$2,268,908	77,200	—	Call	Defined	2022-02-14
2021-09-30	$33,215,395	1,496,189	+8.5%	Shares	Defined	2021-11-15
2021-06-30	$32,687,174	1,378,624	+8.2%	Shares	Defined	2021-08-16
2021-03-31	$24,765,626	1,273,952	-22.1%	Shares	Defined	2021-05-17
2020-12-31	$28,562,027	1,635,855	+5.3%	Shares	Defined	2021-02-16
2020-09-30	$21,269,194	1,553,630	+0.1%	Shares	Defined	2020-11-16
2020-06-30	$23,583,498	1,551,546	-16.2%	Shares	Defined	2020-08-14
2020-03-31	$20,562,005	1,852,433	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.