market folly

Joel Ramin's hedge fund firm 12 West Capital has filed a 13G with the SEC regarding its stake in Advanced Drainage Systems (WMS).  Per the filing, 12 West now owns 6.1% of the company with over 3.24 million shares.

They've increased their position size by over 1.73 million shares since the end of the third quarter.  The filing was required due to portfolio activity on December 4th.

For more from this hedge fund, we posted up some other recent portfolio activity from 12 West here.

Per Google Finance, Advanced Drainage Systems is "a manufacturer of thermoplastic corrugated pipe, providing a comprehensive suite of water management products and superior drainage solutions for use in the construction and infrastructure marketplace. The Company’s products are used across a range of end markets and applications, including non-residential, residential, agriculture and infrastructure applications."