Does Loomis, Sayles own RMBS stock?

Yes. As of its Q2 2026 13F, Loomis, Sayles holds 470,934 shares of RMBS (Rambus), worth $62.5M.

How many shares of RMBS does Loomis, Sayles own?

As of its Q2 2026 13F, Loomis, Sayles holds 470,934 shares of RMBS (Rambus).

As of its Q2 2026 13F, Loomis, Sayles' RMBS position is worth $62.5M.

In Q2 2026, Loomis, Sayles reduced its RMBS position by 188,901 shares (-28.6%).

Loomis, Sayles first reported RMBS in its Q4 2019 13F and has listed it in 24 quarterly 13F filings.

25 quarters

Position history for Loomis, Sayles & Co., L.P.'s holdings in Rambus, Inc.

Current Value

$62.5M

Current Shares

470,934

Total Value Change

+$42.7M

Total Shares Change

-964,383

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	470,934	-28.6%	$62.5M	0.1%	$132.74	0
2026-Q1	Decreased	659,835	-5.8%	$56.8M	0.1%	$86.03	0
2025-Q4	Increased	700,333	+14.8%	$64.4M	0.1%	$91.89	34
2025-Q3	Increased	610,153	+177.1%	$63.6M	0.1%	$104.20	48
2025-Q2	New	220,228	-	$14.1M	0.0%	$64.02	39
2024-Q3	Exited	0	-100.0%	$0	0.0%	$42.22	0
2024-Q2	Decreased	440,253	-47.4%	$25.9M	0.0%	$58.76	0
2024-Q1	Decreased	836,966	-34.1%	$51.7M	0.1%	$61.81	0
2023-Q4	Decreased	1.3M	-10.9%	$86.6M	0.1%	$68.25	0
2023-Q3	Decreased	1.4M	-2.3%	$79.5M	0.1%	$55.79	0
2023-Q2	Decreased	1.5M	-26.9%	$93.6M	0.2%	$64.17	0
2023-Q1	Decreased	2M	-19.2%	$102.3M	0.2%	$51.26	0
2022-Q4	Decreased	2.5M	-7.8%	$88.5M	0.2%	$35.82	0
2022-Q3	Decreased	2.7M	-5.8%	$68.1M	0.1%	$25.42	0
2022-Q2	Decreased	2.8M	-7.3%	$61.1M	0.1%	$21.49	0
2022-Q1	Decreased	3.1M	-0.2%	$97.9M	0.1%	$31.89	0
2021-Q4	Increased	3.1M	+1.1%	$90.4M	0.1%	$29.39	36
2021-Q3	Decreased	3M	-1.3%	$67.6M	0.1%	$22.20	0
2021-Q2	Increased	3.1M	+19.6%	$73.1M	0.1%	$23.71	35
2021-Q1	Increased	2.6M	+18.7%	$50.1M	0.1%	$19.44	34
2020-Q4	Decreased	2.2M	-0.6%	$37.9M	0.1%	$17.46	0
2020-Q3	Increased	2.2M	+19.7%	$29.9M	0.0%	$13.69	34
2020-Q2	Increased	1.8M	+9.5%	$27.7M	0.0%	$15.20	31
2020-Q1	Increased	1.7M	+16.1%	$18.5M	0.0%	$11.10	33
2019-Q4	New	1.4M	-	$19.8M	0.0%	$13.78	39

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