JHG) opens at new 52-week high

The Janus Henderson Group CDI (ASX: JHG) share price is having a fantastic day today. Janus Henderson shares are up 7.17% at the time of writing to $41.99 a share.

That came after a very strong open for the company, which saw the Janus Henderson share price spike all the way up to $43.08 – almost 9% higher than the $39.37 price the company closed at yesterday.

At $43.08, it’s also the new 52-week high and the highest level this company has traded at since mid-2018. It also means the Janus Henderson share price is up almost 98% from the lows the company reached in March. However, we’re still a long way away from the ~$64 a share levels we saw back in late 2015.

So who is Janus Henderson? And why are the shares spiking so…