# US equity market capitalization by asset category

December 4, 2022 7:23 AM Subscribe

If you consider the total US equity market capitalization, what fraction is in each of the 6 asset categories; large cap growth, large cap value, mid cap growth, mid cap value, small cap growth, small cap value?

So, you could compare that $16t against their total market index, which is about $35t. And so on for each of their indicies. But, I think you will get different numbers looking at other index keepers. S&P, for example, says $43t for their "total market" index [see fact sheet PDF].

posted by Mid at 8:51 AM on December 4, 2022

posted by Mid at 8:51 AM on December 4, 2022

Best answer: Since I went to the trouble of calculating it, I might as well post the numbers based on the CRSP classifications (as of the latest data available from Sept. 30, 2022):

posted by mhum at 1:48 PM on December 4, 2022 [2 favorites]

Large Cap Growth: 45%You'll note that these numbers total to more than 100%. This is due to the way CRSP defines Mid Cap as a subset of Large Cap. Specifically, Large Cap is defined as the top 85% of the market while Mid Cap is the top 70-85% (i.e.: the bottom 15% of Large Cap is Mid Cap). If this kind of overlap is not what was intended between Large & Mid Cap, I suppose you can just subtract off the Mid Cap portions from the corresponding Large Cap figure.

Large Cap Value: 42%

Mid Cap Growth: 7%

Mid Cap Value: 8%

Small Cap Growth: 5%

Small Cap Value: 7%

Micro Cap Total: 1%

posted by mhum at 1:48 PM on December 4, 2022 [2 favorites]

Response by poster: Thanks so much for sharing your knowledge

Neither Fidelity nor Vanguard could answer this question.

posted by grahahw at 1:54 PM on December 5, 2022

Neither Fidelity nor Vanguard could answer this question.

posted by grahahw at 1:54 PM on December 5, 2022

Response by poster: Are there any other overlaps in category definitions?

posted by grahahw at 2:04 PM on December 5, 2022

posted by grahahw at 2:04 PM on December 5, 2022

This thread is closed to new comments.

posted by Mid at 8:44 AM on December 4, 2022