LOOMIS SAYLES & CO L P

Position in RMBS — Rambus Inc

CIK 312348 BOSTON, MA

Position in RMBS

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$56,765,604

-$7,587,995 QoQ

Shares Held

659,835

-5.8% QoQ

Ownership

0.610%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 98.07512484181652.ToString("F0")% Shared 0.ToString("F0")% None 1.9248751581834853.ToString("F0")%

Technology · as of Mar 31, 2026

LOOMIS SAYLES & CO L P holds $8,361,541,185 across 19 Semiconductors names. RMBS ranks #6 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	40,977,042	$7,146,396,124
2	QCOM	Qualcomm Inc/De	4,199,416	$540,800,791
3	TSM	Taiwan Semiconductor Manufacturing Co Ltd	654,098	$221,052,418
4	ARM	Arm Holdings PLC /Uk	860,262	$130,140,434
5	MTSI	MACOM Technology Solutions Holdings, Inc.	322,459	$71,608,469
6	RMBS	Rambus Inc This page	659,835	$56,765,604
7	ALGM	Allegro Microsystems, Inc.	1,674,108	$52,784,624
8	SLAB	Silicon Laboratories Inc.	223,342	$46,488,637

22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$56,765,604	659,835	-5.8%	Shares	Defined	2026-05-14
2025-12-31	$64,353,599	700,333	+14.8%	Shares	Defined	2026-02-12
2025-09-30	$63,577,942	610,153	+177.1%	Shares	Defined	2025-11-13
2025-06-30	$14,098,995	220,228	-50.0%	Shares	Defined	2025-08-13
2024-06-30	$25,869,265	440,253	-47.4%	Shares	Defined	2024-08-13
2024-03-31	$51,732,868	836,966	-34.1%	Shares	Defined	2024-05-14
2023-12-31	$86,631,157	1,269,321	-10.9%	Shares	Defined	2024-02-13
2023-09-30	$79,466,215	1,424,381	-2.3%	Shares	Defined	2023-11-09
2023-06-30	$93,560,565	1,458,011	-26.9%	Shares	Defined	2023-08-11
2023-03-31	$102,272,516	1,995,172	-19.2%	Shares	Defined	2023-05-15
2022-12-31	$88,479,590	2,470,117	-7.8%	Shares	Defined	2023-02-10
2022-09-30	$68,112,508	2,679,485	-5.8%	Shares	Defined	2022-11-14
2022-06-30	$61,135,610	2,844,840	-7.3%	Shares	Defined	2022-08-05
2022-03-31	$97,863,010	3,068,768	-0.2%	Shares	Defined	2022-05-13
2021-12-31	$90,376,835	3,075,088	+1.1%	Shares	Defined	2022-02-14
2021-09-30	$67,553,734	3,042,961	-1.3%	Shares	Defined	2021-11-12
2021-06-30	$73,117,845	3,083,840	+19.6%	Shares	Defined	2021-08-13
2021-03-31	$50,128,974	2,578,651	+18.7%	Shares	Defined	2021-05-17
2020-12-31	$37,923,451	2,172,019	-0.6%	Shares	Defined	2021-02-12
2020-09-30	$29,910,321	2,184,830	+19.7%	Shares	Defined	2020-11-12
2020-06-30	$27,736,488	1,824,769	+9.5%	Shares	Defined	2020-08-14
2020-03-31	$18,498,194	1,666,504	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.