Sellside Models - Useful?

Just out of curiosity, how often do PE funds actually rely on the models sellside bankers make? I always assumed people on the buyside would always recreate their own models anyway but interested to see what others think.

EDIT: I'm referring to operating models that bankers develop during an M&A process, not equity research models 

17 Comments
 

Ignore flair.

At one of the large MMs as an analyst in L/S. We use SS models as reference and sanity checks when building our own models. Obviously our assumptions are going to be different since the sell side is often very bullish about the companies they cover.

 

I think OP is referring to the sell side models PE firms get in sale processes and not the ones that equity research teams post / update on a quarterly basis. I work at a MF and we obviously refer to the sell side models, but 100% build our own models. It’s helpful to see how management thinks and forecasts out the business, but that’s all it is. 

 

Worth noting, most banker models have 5x more drivers / unnecessary bells & whistles than I need / am comfortable walking the partnership through. I usually use key outputs / figures from banker models for reference when building my own (usually just to make sure I project past this) & will look to understand the build upfront to decide on 5 or so key drivers that I want to drive my model to keep it simpler for IC / partnership.

Then there are extreme cases where eg. tight deadline, just use the provided William Blair model, tweak assumptions, and copy & paste outputs into memo

Don't break yourself on the way to making yourself
 

In private credit, our shop usually uses the lender model as the base for building out downside model and as basis for presentation to the IC, the management model is used to screen the investment initially and form questions for management

 

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