XO HOLDINGS INC


13865 SUNRISE VALLEY DRIVE
HERNDON,  VA,
  USA
7035472000
Filing DateCurrent and former namesChanged on date
2006-02-27
XO HOLDINGS INC
2003-05-15
NM ACQUISITION CORP
2000-04-11
2002-02-11
NEXTLINK COMMUNICATIONS INC/NEW
2000-06-22
2000-10-26
XO COMMUNICATIONS INC
Central Index Key (CIK)
0001111634
State of Incorporation
DE
Country of Incorporation
USA
Fiscal year end
1231
IRS #
541983517
Std. Industrial Class.
4813 TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)

Ownership (Form 3,4,5)# Filings
ACF INDUSTRIES HOLDING CORP (0000910627) 30
AMALGAMATED GADGET LP (0001114634) 6
ARNOS CORP (0001265024) 15
ARNOS SUB CORP (0001460663) 6
Allegiance Telecom Liquidating Trust (0001300730) 3
BARBERRY CORP (0000860851) 15
BUFFALO INVESTORS CORP (0001015071) 30
CARDIFF HOLDING LLC (0001324819) 10
Cady Tom (0001429456) 1
Cardiff Holding LLC (0001324819) 10
FARIS MARK W (0001239230) 3
FIRST HAROLD (0001251997) 1
Freiberg Gregory William (0001361906) 2
GARRAHAN WILLIAM (0001288417) 2
GRIVNER CARL J (0001239234) 2
Gold Burnett Heather (0001429446) 1
Gradin Fredrik G (0001295452) 1
HIGH RIVER LIMITED PARTNERSHIP (0000928464) 11
HIGHCREST INVESTORS CORP (0000928475) 30
Harty Matt (0001297338) 1
Hopper Investments LLC (0001322824) 15
ICAHN CARL C (0000921669) 29
ICAHN CARL C ET AL (0000921669) 20
KELLY DOUG (0001260820) 2
KNAUSS ROBERT L (0001045341) 4
NINIVAGGI DANIEL A (0001257599) 1
OLIVER BRIAN D (0001239235) 1
Ortega Ernest (0001429444) 1
RAYNOR GEOFFREY (0001199406) 6
REHBERGER WAYNE M (0001239231) 4
SCEPTER HOLDINGS INC (0001167376) 6
SHEA PETER (0001384393) 1
STARFIRE HOLDING CORP (0001008814) 23
STARFIRE HOLDING CORP/NY (0001008814) 7
Schechter David S (0001411497) 1
TRAMORE LLC (0001325399) 5
Thomas Laura W (0001467037) 1
Tramore LLC (0001325399) 10
UNICORN ASSOCIATES CORP (0000881178) 16
WAGNER DANIEL J (0001245493) 1
WEINER LEE (0001260821) 2
WU Simone (0001429463) 1
Weber Jon F (0001325354) 1
All related persons/companies# Filings
ACF INDUSTRIES HOLDING CORP (0000910627) 30
ALLEGIANCE TELECOM INC (0001058703) 9
AMALGAMATED GADGET LP (0001114634) 18
ARNOS CORP (0001265024) 15
ARNOS SUB CORP. (0001460663) 6
Allegiance Telecom Liquidating Trust (0001300730) 7
BARBERRY CORP /NY/ 15
BARBERRY CORP. (0000860851) 15
BRAVE ASSET MANAGEMENT INC (0001085867) 6
BUFFALO INVESTORS CORP (0001015071) 30
CHASE MANHATTAN CORP /DE/ 3
CHEMICAL BANKING CORP 3
CHEMICAL NEW YORK CORP 3
Cady Tom (0001429456) 1
Cardiff Holding LLC (0001324819) 20
DEUTSCHE BANK AG\ (0000948046) 2
DIAMONDBACK CAPITAL MANAGEMENT, LLC (0001342637) 3
EAGLE RIVER INVESTMENTS LLC (0001044102) 1
FARIS MARK W (0001239230) 3
FIRST HAROLD (0001251997) 1
FORSTMANN LITTLE & CO SUB DEBT & EQ MGMT BUYOUT PAR VII LP (0001095466) 8
Freiberg Gregory William (0001361906) 2
GARRAHAN WILLIAM (0001288417) 2
GRIVNER CARL J (0001239234) 2
Gold Burnett Heather (0001429446) 1
Gradin Fredrik G (0001295452) 1
HIGH RIVER LIMITED PARTNERSHIP (0000928464) 11
HIGHCREST INVESTORS CORP (0000928475) 30
Harty Matt (0001297338) 1
Hopper Investments LLC (0001322824) 15
ICAHN CARL C (0000921669) 53
ICAHN CARL C ET AL (0000921669) 84
J P MORGAN CHASE & CO (0000019617) 3
JENNISON ASSOCIATES CAPITAL CORP 1
JENNISON ASSOCIATES LLC (0000053417) 1
KELLY DOUG (0001260820) 2
KNAUSS ROBERT L (0001045341) 4
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (0000912938) 2
MCCAW CRAIG (0001014805) 7
NEXTLINK COMMUNICATIONS INC/NEW (0001111634) 437
NINIVAGGI DANIEL A (0001257599) 1
NM ACQUISITION CORP (0001111634) 442
Nextlink Wireless, Inc (0001420384) 2
OLIVER BRIAN D (0001239235) 1
Ortega Ernest (0001429444) 1
PRICE T ROWE ASSOCIATES INC /MD/ (0000080255) 2
PUTNAM INVESTMENTS INC (0000766524) 3
PUTNAM INVESTMENTS LLC (0000766524) 1
RAYNOR GEOFFREY (0001199406) 6
REHBERGER WAYNE M (0001239231) 4
SCEPTER HOLDINGS INC (0001167376) 6
SCHECHTER DAVID 1
SHEA PETER (0001384393) 1
STARFIRE HOLDING CORP (0001008814) 23
STARFIRE HOLDING CORP/NY (0001008814) 30
Schechter David S. (0001411497) 1
THIRD POINT MANAGEMENT CO LLC 4
Telecommunications of Nevada, LLC (0001420380) 2
Third Point LLC (0001040273) 4
Thomas Laura W. (0001467037) 1
Tramore LLC (0001325399) 15
UNICORN ASSOCIATES CORP (0000881178) 16
V & K Holdings, Inc. (0001420383) 2
WAGNER DANIEL J (0001245493) 1
WEIBLING DENNIS M (0001114673) 5
WEINER LEE (0001260821) 2
WU Simone (0001429463) 1
Weber Jon F (0001325354) 1
XO Asia LTD (0001420375) 2
XO COMMUNICATIONS INC (0001111634) 431
XO Communications LLC (0001420372) 2
XO Communications Services, Inc. (0001420379) 2
XO Interactive, Inc. (0001420376) 2
XO International Holdings, Inc. (0001420378) 2
XO International, Inc. (0001420377) 2
XO NS, Inc (0001420855) 2
XO Nevada Merger Sub, Inc. (0001420381) 2
XO Services, Inc. (0001420382) 2
XO Virginia, LLC (0001420373) 2
db