X0101 EFFECT 33 LIVE 2010-06-17 16:00:00

S-4

0001407739 DUPONT FABROS TECHNOLOGY, INC. 333-165465 0001418175 DuPont Fabros Technology LP 333-165465-17 0001486501 Grizzly Ventures LLC 333-165465-16 0001486503 Whale Interests LLC 333-165465-15 0001486507 Yak Interests LLC 333-165465-14 0001486509 Xeres Interests LLC 333-165465-13 0001486590 Xeres Management LLC 333-165465-12 0001486637 Yak Management LLC 333-165465-11 0001486638 Tarantula Interests LLC 333-165465-10 0001486639 Quill Equity LLC 333-165465-09 0001486703 Fox Properties LLC 333-165465-08 0001486705 Grizzly Equity LLC 333-165465-07 0001486707 Porpoise Ventures LLC 333-165465-06 0001486708 Whale Ventures LLC 333-165465-05 0001486709 Whale Holdings LLC 333-165465-04 0001486711 Rhino Equity LLC 333-165465-03 0001486712 Lemur Properties LLC 333-165465-02 0001486716 Tarantula Ventures LLC 333-165465-01