| ALPERN NGS ADVISER, LLC, Colorado Authority Relinquished December 31, 2018Crested Butte, CO · Withdrawn | Crested Butte, CO | LLC | Jan 16, 2004 | Withdrawn |
| ALPERN ABSOLUTE RETURN FUND, LLC, Colorado Authority Relinquished December 31, 2018Crested Butte, CO · Withdrawn | Crested Butte, CO | LLC | Jan 16, 2004 | Withdrawn |
| Alpern NGS Management, LLC, Colorado Authority Relinquished December 31, 2018Crested Butte, CO · Withdrawn | Crested Butte, CO | LLC | Aug 21, 2006 | Withdrawn |
| Alpern Absolute Return (SPV) Fund, LLC, Colorado Authority Relinquished December 31, 2018Crested Butte, CO · Withdrawn | Crested Butte, CO | LLC | Jul 16, 2009 | Withdrawn |