$GFF

$100.26 +$2.59 (2.65%) Close

$GFF Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 45.3M shares outstanding

Who owns GFF?

By type of holder

Institutions 80.1% Insiders 7.0% Everyone else 12.8%

Concentration Top 10 holders own 46.9%

BlackRock, Inc. 13.4% · Vanguard Portfolio Management LLC 8.2%

Institutional ownership

80.1%

-0.1 pts vs last qtr

Institutional holders

345

+6 vs last qtr

Net shares bought

−29.0K

by institutions in Q2 2026

New / sold out

55 / 49

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC +1.2M
Luxor Capital Group, LP NEW +458.8K

Biggest sellers in Q2 2026

LSV Asset Management −473.7K
Driehaus Capital Management LLC SOLD OUT −349.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$45.3M

16 notices from 10 people

Shares covered

477.2K

1.05% of the company

Arranged in advance

28%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Ronald J. Kramer Director and officer $27.9M
Robert Mehmel Director 10b5-1 $9.83M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+5.8%

+0.63% a year

Each share's claim on the business

−5.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$807M vs $213M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years65% 3–5 years15% 1–3 years10% Under 1 year9%

Quarterly turnover

11.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting GFF on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.1M	13.37%	+93.5K (+1.6%)	≤2021	0.0%
Shares held by quarter Peak holding6.9M (Q1'25) Change over 8 quarters+62.6K Share of the company13.370% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	3.7M	8.24%	−14.7K (−0.4%)	≤2021	0.0%
Shares held by quarter Peak holding3.7M (Q1'26) Change over 8 quarters+3.7M Share of the company8.240% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

6.1M

% of company

13.37%

Change vs last qtr

+93.5K (+1.6%)

Held since

≤2021

Vanguard Portfolio Management LLC

3.7M

% of company

8.24%

Change vs last qtr

−14.7K (−0.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Griffon Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting GFF on Form N-PORT; together they hold 46.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$226M	2.3M	5.12%	0.20%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$135M	1.4M	3.05%	0.01%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$226M

% of company

5.12%

% of the fund

0.20%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$135M

% of company

3.05%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Griffon Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
KR Kramer Ronald J Insider	1.8M	3.91%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company3.910% Kramer Ronald J's insider activity →
MR Mehmel Robert F Insider	727.3K	1.61%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company1.610% Mehmel Robert F's insider activity →

Kramer Ronald J

Insider

1.8M

% of company

3.91%

Change vs last qtr

—

Held since

—

Mehmel Robert F

Insider

727.3K

% of company

1.61%

Change vs last qtr

—

Held since

—

14 more holders behind a free account

See every insider and 5%+ holder of Griffon Corporation.

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