GFF
Griffon (GFF)
NYSE
$100.56+$0.005 (+0.005%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $4.5B
    Market Cap
  • 34.49%
    1-Year Change
  • Building Products & Equipment
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
13.99%
6.4M
+423,126 (+6.59%)
Dec 31, 2024
BLACKROCK, INC.
13.20%
6.1M
+93,545 (+1.54%)
Jun 30, 2026
BLACKROCK INC.
12.80%
5.9M
-129,149 (-2.20%)
Jun 30, 2024
VANGUARD GROUP INC
12.77%
5.9M
-31,264 (-0.53%)
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
8.13%
3.7M
-14,737 (-0.40%)
Jun 30, 2026
N/A
8.13%
3.7M
-14,737 (-0.40%)
Jun 30, 2026
BLACKROCK FUND ADVISORS
5.05%
2.3M
+231,979 (+10.02%)
Dec 31, 2016

Current Ownership Distribution

  • Mutual Funds1.9B (71.04%)
  • Institutions754.1M (28.04%)
  • Insiders24.9M (0.93%)
  • Other0 (0.00%)

Insider Transactions

  • 0.93% (24.9M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $3.7B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Sullivan Kevin F
Sell
Aug 13, 2026
$369,565.00
3,500
$105.59
40,602
TURNBULL CHERYL L
Sell
Aug 13, 2026
$318,360.00
3,000
$106.12
30,039
MEHMEL ROBERT F
President and COO
Sell
Aug 11, 2026
$347,198.40
3,240
$107.16
723,032
MEHMEL ROBERT F
President and COO
Sell
Aug 10, 2026
$378,643.04
3,638
$104.08
729,273
MEHMEL ROBERT F
President and COO
Sell
Aug 10, 2026
$304,816.32
2,913
$104.64
726,360
MEHMEL ROBERT F
President and COO
Sell
Aug 10, 2026
$9,258.48
88
$105.21
726,272
Harris Brian G
EVP, Chief Financial Officer
Sell
Aug 07, 2026
$564,148.37
5,267
$107.11
128,649
MEHMEL ROBERT F
President and COO
Sell
Aug 07, 2026
$203,712.60
1,911
$106.60
746,928
MEHMEL ROBERT F
President and COO
Sell
Aug 07, 2026
$1.4M
13,464
$107.43
733,464
MEHMEL ROBERT F
President and COO
Sell
Aug 07, 2026
$59,773.77
553
$108.09
732,911
MEHMEL ROBERT F
President and COO
Sell
Aug 06, 2026
$16,120.74
158
$102.03
763,533
MEHMEL ROBERT F
President and COO
Sell
Aug 06, 2026
$21,842.72
211
$103.52
763,322
MEHMEL ROBERT F
President and COO
Sell
Aug 06, 2026
$572,570.56
5,476
$104.56
757,846
MEHMEL ROBERT F
President and COO
Sell
Aug 06, 2026
$731,154.18
6,933
$105.46
750,913
MEHMEL ROBERT F
President and COO
Sell
Aug 06, 2026
$220,403.98
2,074
$106.27
748,839
Harris Brian G
EVP, Chief Financial Officer
Sell
Aug 05, 2026
$908,856.36
8,817
$103.08
136,149
KRAMER RONALD J
Chairman of the Board and CEO
Sell
Aug 05, 2026
$1.3M
12,916
$100.44
1.8M
Harris Brian G
EVP, Chief Financial Officer
Sell
Aug 05, 2026
$232,254.33
2,233
$104.01
133,916
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$60,885.56
617
$98.68
785,283
KRAMER RONALD J
Chairman of the Board and CEO
Sell
Aug 05, 2026
$1.8M
17,322
$101.58
1.8M
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$227,546.61
2,283
$99.67
783,000
KRAMER RONALD J
Chairman of the Board and CEO
Sell
Aug 05, 2026
$4.6M
45,240
$102.63
1.7M
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$354,322.42
3,527
$100.46
779,473
KRAMER RONALD J
Chairman of the Board and CEO
Sell
Aug 05, 2026
$1.7M
16,402
$103.37
1.7M
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$283,017.60
2,790
$101.44
776,683
KRAMER RONALD J
Chairman of the Board and CEO
Sell
Aug 05, 2026
$846,672.40
8,120
$104.27
1.7M
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$547,933.19
5,341
$102.59
771,342
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$562,582.02
5,434
$103.53
765,908
MEHMEL ROBERT F
President and COO
Sell
Aug 05, 2026
$230,834.04
2,217
$104.12
763,691
MEHMEL ROBERT F
President and COO
Sell
Jun 30, 2026
$407,268.16
4,166
$97.76
785,900