Rambus Inc

RMBS

Exchange: Nasdaq
Industry: Semiconductors & Related Devices
SEC CIK: 0000917273

SEC filings (opens in a new tab)

In the last 90 days, Rambus Inc insiders filed 0 open-market purchases and 2 sales; 621 institutions reported holding it in 13F filings for Q2 2026, worth $13.3B in total; superinvestors Duquesne Family Office and Maverick Capital hold it.

Q2 2021 vs. Q1 2021

How the institutions holding Rambus Inc changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of RMBS: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Q2 2021	Change
Holders	213	219	+6
Shares	95.8M	97.1M	+1.31M (+1.4%)
Value	$1.86B	$2.30B	+$439.4M (+23.6%)

New holders (37)

Institutions that held Rambus Inc at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to RMBS in Q2 2021
Institution	Shares	Value	% of portfolio
Shannon River Fund Management LLC	737,973	$17.5M	1.41%
Shelter Haven Capital Management, L.P.	599,302	$14.2M	5.08%
Epoch Investment Partners, Inc.	335,771	$7.96M	0.04%
Glenmede Trust Co NA	244,294	$5.79M	0.03%
EAM Investors, LLC	165,359	$3.92M	0.61%
Verition Fund Management LLC	150,000	$3.56M	0.05%
Crestline Management, LP	136,603	$3.24M	0.28%
EAM Global Investors LLC	101,134	$2.40M	0.66%
Hodges Capital Management Inc.	96,520	$2.29M	0.26%
Guggenheim Capital LLC	43,698	$1.04M	0.01%
Boston Partners	38,639	$916.0K	0.00%
HRT Financial LP	37,036	$878.0K	0.01%
Raymond James & Associates	20,927	$496.0K	0.00%
Atom Investors LP	16,962	$402.0K	0.08%
Gyon Technologies Capital Management, LP	16,278	$386.0K	0.13%
Quantbot Technologies LP	15,329	$363.0K	0.03%
Cornerstone Investment Partners, LLC	11,905	$282.0K	0.01%
Tatro Capital, LLC	10,669	$253.0K	0.17%
Cambridge Investment Research Advisors, Inc.	10,100	$239.0K	0.00%
Rockland Trust Co	9,992	$237.0K	0.02%
CIBC Asset Management Inc	9,721	$230.0K	0.00%
Miracle Mile Advisors, LLC	9,301	$221.0K	0.01%
First Citizens Bank & Trust Co	8,448	$200.0K	0.01%
Pinz Capital Management, LP	5,200	$123.0K	0.04%
Arkadios Wealth Advisors	4,545	$107.0K	0.01%
NEXT Financial Group, Inc	1,917	$45.0K	0.00%
Sonora Investment Management, LLC	1,000	$24.0K	0.00%
Benjamin F. Edwards & Company, Inc.	1,000	$24.0K	0.00%
Sageworth Trust Co	620	$15.0K	0.00%
Proequities, Inc.	500	$12.0K	0.00%
Advisory Services Network, LLC	431	$10.0K	0.00%
Wealth Quarterback LLC	254	$7.00K	0.00%
Tradition Wealth Management, LLC	300	$7.00K	0.00%
TCI Wealth Advisors, Inc.	140	$3.00K	0.00%
West Paces Advisors Inc.	102	$2.42K	0.00%
Meeder Asset Management Inc	83	$2.00K	0.00%
Massmutual Trust Co FSB	89	$2.00K	0.00%

Sold out (31)

Institutions that held Rambus Inc at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of RMBS in Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Arrowstreet Capital, Limited Partnership	1,068,108	$20.8M
Castleark Management LLC	318,055	$6.18M
California Public Employees Retirement System	224,259	$4.36M
Citadel Advisors LLC	150,937	$2.93M
Jacobs Levy Equity Management, Inc	78,094	$1.52M
Aviva PLC	61,851	$1.20M
Cornercap Investment Counsel Inc	60,065	$1.17M
Crown Advisors Management, Inc.	50,000	$972.0K
Marshall Wace North America L.P.	43,785	$851.0K
K.J. Harrison & Partners Inc	35,000	$680.0K
AMP Capital Investors Ltd	25,370	$493.0K
Athanor Capital, LP	25,197	$490.0K
Qube Research & Technologies Ltd	18,879	$367.0K
Ferris Capital, LLC	16,856	$328.0K
Man Group plc	16,732	$325.0K
Neo Ivy Capital Management	15,327	$298.0K
Paloma Partners Management Co	13,356	$260.0K
Sciencast Management LP	11,332	$229.0K
Group One Trading, L.P.	11,161	$217.0K
HAP Trading, LLC	10,388	$202.0K
Cutler Group LP	1,154	$22.0K
Spire Wealth Management	1,000	$20.0K
Point72 Hong Kong Ltd	757	$15.0K
Atlas Private Wealth Management	500	$10.0K
Archer Investment Corp	368	$7.15K
Healthcare of Ontario Pension Plan Trust Fund	302	$6.00K
Total Clarity Wealth Management, Inc.	238	$5.00K
Enterprise Financial Services Corp	131	$3.00K
Berman Capital Advisors, LLC	150	$2.00K
Wealthcare Advisory Partners LLC	65	$1.00K
Ameritas Investment Company, LLC	43	$836