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I want a list of all CUSIPs/ISINs. It would be nice if they were also categorized (e.g. Bonds/Funds etc). Where can I get such a data?

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I hate to say it, but this is really what Bloomberg is for. Or perhaps you can go directly to Capital IQ, who manages CUSIP. But you definitely will not find a free data source online that lists all CUSIPs. – chrisaycock Mar 12 '12 at 4:03

SEC tends to keep CUSIPS handy: http://www.sec.gov/divisions/investment/13flists.htm

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Its only published at each end of quarters I think - a more up to date list would be nice – pathikrit Jan 23 '15 at 19:01

There is a service on the cusip homepage, but I suspect it will cost you money: https://www.isin.cusip.com/isin/IsinServiceLogin.jsp

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You won't find this data for free anywhere. Some data-feeds have it. For example, DTN's NxCore product includes CUSIP in their data files.

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In Japan we get ISIN data with http://www.isin.org/isin-database

they have free search tool.

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