Portfolio diversification

Hi everyone.
I created dividend portfolio and I wonder, if diversification is sufficient. I would appreciate every opinion or advice in comment!

So here it is:
WQDV – 12%
VHYL – 12%
O – 5%
JNJ – 5%
T – 5%
MO – 5%
AAPL- 4%
JPM- 4%
AXP- 4%
ENB – 4%
WPC – 4%
WMT- 4%
SBUX- 4%
BAC- 4%
CVX- 4%
LMT- 4%
HRZN- 4%
VICI- 4%
KO- 4%
PRG- 4%