HYDG Hydrogen Corp (MM)

ITEM 1

1. Name of Issuer:
   HydroGen Corporation
   
   
2. Address of Issuer's Principal Executive Offices:
   2 Juniper Street, Versailles, Pennsylvania 15132

ITEM 2

1. Name of Person Filing:
   Security Investors, LLC
   
   
2. Address of Principal Business Office or, if none, Residence:
   One Security Benefit Place, Topeka, Kansas 66636-0001
   
   
3. Citizenship:
   Security Investors, LLC is a Kansas limited liability company.
   
   
4. Title of Class of Securities:
   Common Stock
   
   
5. CUSIP Number:
   44887Q108

ITEM 3    If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:

ITEM 4    Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

1. Amount beneficially owned:
   As of December 31, 2007, Security Investors, LLC beneficially owned 1,952,646 shares of common stock of a total of 12,770,000 shares outstanding.**
   
   
2. Percent of class:
   The shares owned by Security Investors, LLC constituted 15.29% of the class of stock.
   
   
3. Number of shares as to which such person has:
   (i)    Sole power to vote or direct the vote:                          1,952,646 shares
   (ii)   Shared power to vote or direct the vote:                      Not applicable
   (iii)  Sole power to dispose or direct the disposition of:        1,952,646 shares
   (iv)  Shared power to dispose or direct the disposition of:    Not applicable

**This report is being filed on behalf of Security Investors, LLC ("SI"), a Kansas limited liability company, and/or certain investment advisory clients relating to their collective beneficial ownership of shares of common stock of the Issuer. SI is a registered investment adviser under Section 203 of the Investment Advisers Act of 1940. As a result of its role as investment adviser, SI may be deemed to be the beneficial owner of the securities of the Issuer for purposes of §13(d) and 13(g) of the Securities Exchange Act of 1934. SI has the sole power to dispose of the shares.

ITEM 5    Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [  ].

ITEM 6    Ownership of More Than Five Percent on Behalf of Another Person.

Certain advisory clients of Security Investors, LLC have the right to receive or the power to direct the receipt of dividends from or the profits from the sale of such securities, including Security Equity Fund, Mid Cap Value Series and SBL Fund, Series V which are entitled to receive the dividends or profits from the sale of securities constituting more than five percent of the issuer's common stock.

ITEM 7    Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

ITEM 8    Identification and Classification of Members of the Group.

Not applicable.

ITEM 9    Notice of Dissolution of Group.

Not applicable.

ITEM 10    Certification.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.