Over the past year I've written about Berkowitz and his AIG investment a few times. Here are a couple of links:
I struggled personally with AIG. The company is without a doubt too big and complicated for me to fully understand. However, I thought that Berkowitz putting 20% of his fund into AIG might be enough for me to piggyback on.
What I did in the end was invest in a basket of financials at the start of October 2011. This basket included AIG, BAC, GS, and C. The market had a huge run the following month and I sold with some lucky short term gains.
I think I'll likely be kicking myself in five years for not staying the course on these names.
Berkowitz now has a case study about his AIG investment on his website. Here it is: