|Date of birth||9 December 1969|
|Place of birth||Königswinter, West Germany|
|Height||1.69 m (5 ft 7 in)|
|1986–1987||FV Bad Honnef|
|1987–1990||1. FC Köln|
|1990–1995||1. FC Köln||130||(13)|
|1995–1999||TSV 1860 München||111||(11)|
|2005||VfB Stuttgart II||1||(0)|
|* Senior club appearances and goals counted for the domestic league only.
Heldt was born in Königswinter. He played at 1. FC Köln from 1990 until 1995, before transferring to TSV 1860 München. After four years there, he went to Eintracht Frankfurt in 1999. After the club was relegated in 2001, he played for Austrian side Sturm Graz. In January 2003, Heldt returned to Germany, to VfB Stuttgart.
He always played as a midfielder. His tally of Bundesliga matches is 359. Heldt also played for the German national team twice.
After only being a substitute and not getting any playing time at VfB Stuttgart in the first half of the 2005–06 season under coach Giovanni Trapattoni, Heldt decided to end his active career on 3 January 2006 to take over the post of general manager of the club.
As manager, Heldt supported the sacking of Trapattoni and the hiring of new coach Armin Veh. Due to Heldt, Veh's initial stop-gap contract was extended into the 2006–07 season which became Stuttgart's most successful ever, winning the championship and qualifying for the German Cup final.
On 3 July 2010, he moved to Schalke 04. After the sacking of Felix Magath, Heldt became responsible for sport and communications on the managing board of Schalke. Heldt decided to step down at the end of the 2015–16 season.
- "Heldt, Horst" (in German). kicker.de. Retrieved 9 December 2009.
- "Horst Heldt" (in German). fussballdaten.de. Retrieved 9 December 2009.
- "Agreement on Heldt transfer". vfb.de. 3 July 2010. Retrieved 3 July 2010.
- "Schalke part company with Felix Magath". Schalke 04. 16 March 2011. Retrieved 16 March 2011.
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