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Trying To Find The Optimal Number Of Stocks To Own

Random Roger's Retirement Planning

The title tells you the author's conclusion, Why Your Portfolio Should Hold Way More Than 30 Stocks. In my opinion the diversification benefit hits diminishing returns pretty close to 40 individual holdings based on math if nothing else. If a portfolio starts with 40 holdings each with an equal 2.5% Not too many I'd say.

Numbers 62
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Blogs On A Plane: Special Bonds Are Blowed Up Edition

Random Roger's Retirement Planning

In looking at it every so often to see how it has done (I’ve never owned it for clients) it seems like it’s done well, price-wise about 1/3 of the time and gotten pasted the other 2/3 as a very casual observation. He was very worried that I would sell his clients’ bonds which were (and still are of course) very under water.

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Transcript: Tom Hancock, GMO

The Big Picture

If you’re at all interested in focused portfolios, the concept of quality as a sub-sector under value and just how you build a portfolio and a track record, that’s tough to beat. And ev all the sort of compliance, client service, legal, kind of, everything was done sort of on the side by investment people.

Valuation 130
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Global Leaders Strategy Investment Letter: January 2024

Brown Advisory

One of our colleagues, Ken Stuzin, likens portfolio construction to Darwinian Investing – it is about survival of the fittest. In a concentrated portfolio, it is the losers that kill you. What sort of hit rate should we then expect within their portfolio? You have to survive in order to thrive.

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Old Concept With New-ish Name

Random Roger's Retirement Planning

Quite a few years years ago, like maybe 15, I wrote several posts about an idea for portfolio construction from Nassim Taleb where he said he put 90% of his money in T-bills from around the world and then put the remaining 10% in very aggressive holdings with great potential for asymmetric returns. NFDIX gives the portfolio/index 11.2%

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Transcript: Julian Salisbury, GS

The Big Picture

So I took it upon myself to go off and took a course in bond math, took another course in derivatives and realized the underlying fundamental concepts were barely, I mean, it wasn’t even high school math in most cases. SALISBURY: At the simplest level we manage money for our clients. Three main client segments.

Assets 290
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Transcript: Linda Gibson, CEO PGIM Quantitative Solutions

The Big Picture

She has a really fascinating background, very eclectic, a combination of math and law. You, you get a, a BS in Mathematics and a JD from Boston University Math and Law. It is something, math has always come easy to me since a child. I didn’t get an advanced degree in math. So I need to adjust my management style.

Math 130