Rambus (RMBS) Institutional Ownership

$138.12 -8.72 (-5.94%)

Closing price 06/10/2026 04:00 PM Eastern

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$141.00 +2.88 (+2.09%)

As of 09:13 AM Eastern

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Current Institutional Ownership Percentage: 88.54%
Number of Institutional Buyers (last 12 months): 385
Total Institutional Inflows (last 12 months): $2.42B

Number of Institutional Sellers (last 12 months): 235
Total Institutional Outflows (last 12 months): $1.74B

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RMBS Institutional Buying and Selling by Quarter

Rambus Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
6/3/2026	Parallel Advisors LLC	2,252	$194K	0.0%	-10.0%	0.002%
6/3/2026	NewEdge Advisors LLC	1,070	$92K	0.0%	-45.3%	0.001%
6/2/2026	Optiver Holding B.V.	480	$41K	0.0%	-15.0%	0.000%
5/26/2026	Glenmede Trust Co. NA	159,131	$13.69M	0.1%	-7.8%	0.147%
5/22/2026	Segall Bryant & Hamill LLC	157,450	$13.55M	0.2%	+45.2%	0.146%
5/21/2026	Argent Capital Management LLC	10,001	$860K	0.0%	+56.2%	0.009%
5/19/2026	Western Wealth Management LLC	509	$44K	0.0%	N/A	0.000%
5/19/2026	Cim Investment Management Inc.	4,072	$350K	0.1%	N/A	0.004%
5/19/2026	Bank of America Corp DE	1,361,570	$117.14M	0.0%	+9.0%	1.259%
5/19/2026	Janus Henderson Group PLC	358,892	$30.88M	0.0%	-5.4%	0.332%
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5/18/2026	Amundi	16,384	$1.41M	0.0%	+32.4%	0.015%
5/18/2026	Gould Capital LLC	15,760	$1.36M	0.8%	-14.3%	0.015%
5/18/2026	EverSource Wealth Advisors LLC	2,188	$188K	0.0%	+14.8%	0.002%
5/18/2026	California State Teachers Retirement System	124,195	$10.68M	0.0%	+22.9%	0.115%
5/18/2026	Royal Bank of Canada	29,542	$2.54M	0.0%	-13.1%	0.027%
5/18/2026	Ranger Investment Management L.P.	224,365	$19.30M	1.4%	+135.0%	0.207%
5/18/2026	EdgePoint Investment Group Inc.	1,947,742	$167.56M	1.3%	+38.5%	1.801%
5/18/2026	Empowered Funds LLC	8,443	$726K	0.0%	-8.0%	0.008%
5/16/2026	The Manufacturers Life Insurance Company	102,403	$8.81M	0.0%	-10.2%	0.095%
5/16/2026	Maverick Capital Ltd.	13,028	$1.12M	0.0%	N/A	0.012%
5/16/2026	Quantinno Capital Management LP	25,621	$2.20M	0.0%	+9.5%	0.024%
5/16/2026	SummitTX Capital L.P.	80,674	$6.94M	0.2%	-17.1%	0.075%
5/16/2026	Lazard Asset Management LLC	101,701	$8.75M	0.0%	-65.9%	0.094%
5/15/2026	Weiss Asset Management LP	63,100	$5.43M	0.1%	+73.8%	0.058%
5/15/2026	Rice Hall James & Associates LLC	37,059	$3.19M	0.2%	-17.5%	0.034%
5/15/2026	Granahan Investment Management LLC	280,246	$24.11M	1.2%	+5.5%	0.259%
5/14/2026	Public Employees Retirement System of Ohio	2,185	$188K	0.0%	-23.9%	0.002%
5/14/2026	Keebeck Wealth Management	7,439	$640K	0.1%	-4.4%	0.007%
5/14/2026	Inceptionr LLC	4,351	$374K	0.1%	-25.2%	0.004%
5/14/2026	Gibbs Wealth Management	18,234	$1.57M	0.2%	+64.1%	0.017%
5/14/2026	Sei Investments Co.	339,931	$29.24M	0.0%	-12.1%	0.314%
5/14/2026	Lido Advisors LLC	6,242	$537K	0.0%	-1.6%	0.006%
5/14/2026	State of Wyoming	657	$57K	0.0%	-40.3%	0.001%
5/13/2026	Cetera Investment Advisers	28,692	$2.47M	0.0%	+1.1%	0.027%
5/13/2026	First Citizens Bank & Trust Co.	14,736	$1.27M	0.0%	-0.5%	0.014%
5/13/2026	First Trust Advisors LP	307,244	$26.43M	0.0%	+2.4%	0.284%
5/12/2026	Chase Investment Counsel Corp	3,018	$259K	0.1%	N/A	0.003%
5/8/2026	PNC Financial Services Group Inc.	12,328	$1.06M	0.0%	-4.9%	0.011%
5/7/2026	Meeder Advisory Services Inc.	3,639	$313K	0.0%	-6.3%	0.003%
5/7/2026	WCM Investment Management LLC	165,018	$13.16M	0.0%	-4.3%	0.153%
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5/7/2026	Dimensional Fund Advisors LP	1,795,295	$154.42M	0.0%	-5.2%	1.660%
5/7/2026	Balefire LLC	2,932	$252K	0.0%	+3.8%	0.003%
5/7/2026	Parallel Advisors LLC	2,252	$194K	0.0%	-10.0%	0.002%
5/7/2026	Swiss National Bank	213,000	$18.32M	0.0%	+0.4%	0.197%
5/6/2026	Jennison Associates LLC	6,739	$580K	0.0%	-43.7%	0.006%
5/6/2026	Aurora Investment Counsel	10,883	$936K	0.5%	-43.3%	0.010%
5/6/2026	California Public Employees Retirement System	227,271	$19.55M	0.0%	+15.8%	0.210%
5/6/2026	Future Fund LLC	34,386	$2.96M	1.0%	N/A	0.032%
5/6/2026	Assetmark Inc.	147,554	$12.69M	0.0%	+33.2%	0.136%
5/6/2026	Financiere des Professionnels Fonds d investissement inc.	2,299	$198K	0.0%	-68.6%	0.002%
5/6/2026	Bessemer Group Inc.	1,039,905	$89.46M	0.1%	+1,009.5%	0.962%
5/6/2026	Allspring Global Investments Holdings LLC	66,531	$5.98M	0.0%	-87.3%	0.062%
5/6/2026	Independent Financial Group LLC	6,525	$561K	0.0%	N/A	0.006%
5/5/2026	Bank of New York Mellon Corp	779,878	$67.09M	0.0%	-28.7%	0.721%
5/5/2026	Illinois Municipal Retirement Fund	27,314	$2.35M	0.0%	+12.2%	0.025%
5/5/2026	Sanctuary Advisors LLC	7,407	$637K	0.0%	-2.0%	0.007%
5/4/2026	Emerald Mutual Fund Advisers Trust	307,248	$26.43M	1.3%	-21.5%	0.284%
5/4/2026	Emerald Advisers LLC	493,236	$42.43M	1.3%	-21.3%	0.456%
5/4/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	9,346	$804K	0.0%	+22.6%	0.009%
5/4/2026	State of Michigan Retirement System	25,900	$2.23M	0.0%	+2.0%	0.024%
5/4/2026	Principal Financial Group Inc.	373,536	$32.14M	0.0%	-9.3%	0.345%
5/4/2026	Schwartz Investment Counsel Inc.	420,337	$36.16M	1.3%	+133.1%	0.389%
5/4/2026	Teachers Retirement System of The State of Kentucky	49,124	$4.23M	0.0%	-0.5%	0.045%
5/2/2026	Diversify Wealth Management LLC	31,253	$2.69M	0.0%	+75.7%	0.029%
5/1/2026	Fifth Third Bancorp	27,361	$2.35M	0.0%	+1,675.5%	0.025%
5/1/2026	Sequoia Financial Advisors LLC	7,878	$678K	0.0%	+4.6%	0.007%
4/30/2026	Hsbc Holdings PLC	6,329	$544K	0.0%	-69.0%	0.006%
4/30/2026	Summit Securities Group LLC	800	$69K	0.0%	N/A	0.001%
4/30/2026	Azzad Asset Management Inc. ADV	16,221	$1.40M	0.1%	-32.9%	0.015%
4/30/2026	Sumitomo Mitsui Trust Group Inc.	7,252	$624K	0.0%	-2.8%	0.007%
4/30/2026	Capstone Capital Management Ltd	23,326	$2.01M	2.0%	N/A	0.022%
4/30/2026	Oregon Public Employees Retirement Fund	22,069	$1.90M	0.0%	+2.6%	0.020%
4/29/2026	KERR FINANCIAL PLANNING Corp	6,050	$520K	0.7%	-23.9%	0.006%
4/29/2026	Resonant Capital Advisors LLC	3,819	$329K	0.0%	N/A	0.004%
4/29/2026	Swedbank AB	1,563,000	$134.47M	0.1%	+14.7%	1.445%
4/28/2026	Abel Hall LLC	3,486	$300K	0.1%	-30.2%	0.003%
4/28/2026	Stephens Inc. AR	32,981	$2.84M	0.0%	+10.2%	0.030%
4/28/2026	Stephens Investment Management Group LLC	407,783	$35.08M	0.5%	+110.5%	0.377%
4/28/2026	Praxis Investment Management Inc.	3,003	$258K	0.0%	+15.9%	0.003%
4/27/2026	New York State Teachers Retirement System	73,322	$6.31M	0.0%	-4.7%	0.068%
4/27/2026	Private Advisor Group LLC	7,735	$665K	0.0%	-9.2%	0.007%
4/27/2026	Y Intercept Hong Kong Ltd	36,901	$3.18M	0.1%	+25.3%	0.034%
4/27/2026	Leonteq Securities AG	6,749	$581K	0.0%	+20,351.5%	0.006%
4/25/2026	Strs Ohio	24,300	$2.09M	0.0%	-1.2%	0.022%
4/25/2026	Keybank National Association OH	2,999	$258K	0.0%	-21.2%	0.003%
4/24/2026	Element Squared LLC	23,567	$2.03M	1.1%	N/A	0.022%
4/23/2026	AMI Asset Management Corp	2,950	$254K	0.0%	N/A	0.003%
4/22/2026	MeadowBrook Investment Advisors LLC	2,365	$203K	0.2%	+9.5%	0.002%
4/22/2026	Janney Montgomery Scott LLC	110,607	$9.52M	0.0%	-9.8%	0.102%
4/22/2026	Pictet Asset Management Holding SA	43,583	$3.75M	0.0%	+6.9%	0.040%
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4/22/2026	Ground Swell Capital LLC	3,613	$311K	0.6%	N/A	0.003%
4/21/2026	Louisiana State Employees Retirement System	31,200	$2.68M	0.0%	N/A	0.029%
4/20/2026	Kestra Private Wealth Services LLC	6,423	$553K	0.0%	-4.1%	0.006%
4/20/2026	Blue Trust Inc.	1,015	$87K	0.0%	-29.4%	0.001%
4/20/2026	Fifth Third Wealth Advisors LLC	3,455	$297K	0.0%	+4.6%	0.003%
4/20/2026	OP Asset Management Ltd	1,468	$126K	0.0%	N/A	0.001%
4/20/2026	Assenagon Asset Management S.A.	47,531	$4.09M	0.0%	+2.5%	0.044%
4/17/2026	Krilogy Financial LLC	2,238	$193K	0.0%	+3.8%	0.002%
4/17/2026	Campbell Newman Asset Management Inc.	41,067	$3.53M	0.3%	+1.8%	0.038%
4/16/2026	SG Americas Securities LLC	25,962	$2.23M	0.0%	-59.2%	0.024%

RMBS Institutional Ownership - Frequently Asked Questions

During the previous two years, 559 institutional investors and hedge funds held shares of Rambus. The most heavily invested institutionals were Vanguard Group Inc. ($1.13B), Price T Rowe Associates Inc. MD ($494.88M), State Street Corp ($390.68M), Invesco Ltd. ($381.22M), Geode Capital Management LLC ($261.26M), Alliancebernstein L.P. ($189.86M), and JPMorgan Chase & Co. ($189.78M).Learn more on Rambus' institutional investors.

88.54% of Rambus' stock is owned by institutional investors. Learn more on RMBS's institutional investor holdings.

Of the 500 institutional investors that purchased Rambus' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Price T Rowe Associates Inc. MD ($7.88M), Norges Bank ($5.46M), Invesco Ltd. ($3.92M), EdgePoint Investment Group Inc. ($3.33M), Raymond James Financial Inc. ($2.38M), Assenagon Asset Management S.A. ($1.91M), and Alliancebernstein L.P. ($1.59M).

Institutional investors have bought a total of 28,267,801 shares in the last 24 months. This purchase volume represents approximately $2.42B in transactions.

Of the 235 institutional investors that sold Rambus' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Invesco Ltd. ($2.21M), JPMorgan Chase & Co. ($1.58M), American Century Companies Inc. ($1.39M), EdgePoint Investment Group Inc. ($1.38M), Bank of New York Mellon Corp ($1.24M), Assenagon Asset Management S.A. ($835.21K), and T. Rowe Price Investment Management Inc. ($746.98K).

Institutional investors have sold a total of 19,787,407 shares in the last 24 months. This volume of shares sold represents approximately $1.74B in transactions.

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This page (NASDAQ:RMBS) was last updated on 6/11/2026 by MarketBeat.com Staff.

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Rambus (RMBS) Institutional Ownership

RMBS Institutional Buying and Selling by Quarter

Rambus Major Shareholders & Ownership History

RMBS Institutional Ownership - Frequently Asked Questions

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Rambus (RMBS) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Rambus (NASDAQ:RMBS)

RMBS Institutional Buying and Selling by Quarter

Rambus Major Shareholders & Ownership History

RMBS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of RMBS shares?

What percentage of Rambus' stock is owned by institutional investors?

Which institutional investors have been buying Rambus' stock?

How much institutional buying is happening at Rambus?

Which of Rambus' major shareholders have been selling company stock?

How much institutional selling is happening at Rambus?

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