143 hedge funds and large institutions have $493M invested in Griffon in 2018 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 58 increasing their positions, 29 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
143
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$437K
Puts
$1.5M
Net Calls
Net Calls Change

Top Buyers

1 +$8.72M
2 +$4.19M
3 +$4.08M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$3.62M
5
RA
Royce & Associates
New York
+$2.59M

Top Sellers

1 -$7.84M
2 -$5.63M
3 -$4.36M
4
Renaissance Technologies
Renaissance Technologies
New York
-$3.56M
5
Norges Bank
Norges Bank
Norway
-$2.14M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$343K
77
$332K
78
$318K
79
$304K
80
$294K
81
$290K
82
$267K
83
$260K
84
$260K
85
$253K
86
$241K
87
$233K
88
$229K
89
$223K
90
$222K
91
$221K
92
$199K
93
$189K
94
$181K
95
$180K
96
$173K
97
$162K
98
$158K
99
$156K
100
$147K