Here is the full list of all 11 HOARD trophies - there are 9 bronze and 2 gold.
Achieve Hoard Rank 15
Achieve Hoard Rank 13
Achieve Hoard Rank 11
Earn 90% of HOARD badges
Earn 75% of HOARD badges
Achieve Hoard Rank 9
Earn 50% of HOARD badges
Achieve Hoard Rank 7
Earn 25% of HOARD badges
Achieve Hoard Rank 5
Achieve Hoard Rank 2