146 hedge funds and large institutions have $533M invested in Griffon in 2018 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 52 increasing their positions, 30 reducing their positions, and 4 closing their positions.

Holders
146
Holders Change
+29
Holders Change %
+24.79%
% of All Funds
3.35%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
33
Increased
52
Reduced
30
Closed
4
Calls
$509K
Puts
$2.08M
Net Calls
-$1.57M
Net Calls Change
-$1.73M
Name Market Value Shares Shares
Change
Shares
Change %
GI
1
GAMCO Investors
Connecticut
$99.8M 5,607,449 +86,558 +2%
BlackRock
2
BlackRock
New York
$76.7M 4,311,525 +457,296 +12%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$68.6M 3,854,330 -47,585 -1%
Vanguard Group
4
Vanguard Group
Pennsylvania
$65.9M 3,702,299 +429,455 +13%
GF
5
Gabelli Funds
New York
$36.6M 2,058,393 +369,416 +22%
State Street
6
State Street
Massachusetts
$14.7M 826,837 +28,446 +4%
RA
7
Royce & Associates
New York
$12.2M 687,875 -158,700 -19%
Wells Fargo
8
Wells Fargo
California
$9.75M 547,844 +282,845 +107%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$8.91M 500,344 +37,612 +8%
PI
10
Putnam Investments
Massachusetts
$7.84M 440,395 +374,700 +570%
TA
11
Teton Advisors
New York
$7.81M 438,579 +12,000 +3%
Northern Trust
12
Northern Trust
Illinois
$7.03M 395,093 -12,368 -3%
Charles Schwab
13
Charles Schwab
California
$5.75M 323,151 +23,187 +8%
Millennium Management
14
Millennium Management
New York
$5.63M 316,493 +316,493 New
Norges Bank
15
Norges Bank
Norway
$5.32M 299,027 +105,656 +55%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$5.23M 293,584 +30,173 +11%
Principal Financial Group
17
Principal Financial Group
Iowa
$4.7M 263,748 +30,897 +13%
Goldman Sachs
18
Goldman Sachs
New York
$4.49M 252,253 -5,588,460 -96%
MIM
19
Monashee Investment Management
Massachusetts
D.E. Shaw & Co
20
D.E. Shaw & Co
New York
$4.19M 235,607 +99,004 +72%
Renaissance Technologies
21
Renaissance Technologies
New York
$3.57M 200,300 -102,200 -34%
Ameriprise
22
Ameriprise
Minnesota
$3.44M 193,079 +19,630 +11%
PCM
23
Penn Capital Management
Pennsylvania
$3.3M 185,219 +185,219 New
TCIM
24
TIAA CREF Investment Management
New York
$2.85M 160,261 +68,468 +75%
MWNA
25
Marshall Wace North America
New York
$2.56M 143,778 +143,778 New