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
51
$791K
52
$756K
53
$729K
54
$722K
55
$709K
56
$673K
57
$651K
58
$618K
59
$607K
60
$555K
61
$543K
62
$504K
63
$485K
64
$466K
65
$440K
66
$437K
67
$415K
68
$404K
69
$404K
70
$394K
71
$383K
72
$383K
73
$377K
74
$374K
75
$353K