Across its top 20 institutional holders, GFF's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 5/100, avg. turnover score 24/100).

Quarterly Activity

Recent Activity

+$1.4B

Total Buy Value

$980.6M

Total Sell Value

New buy42

Trim106

Add131

Sold out45

173

Net Buyers

151

Net Sellers

Smart Money Convergence

GFF does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

Filings (90d)

$15.08M

Total Est. Value

164K shares

Planned Shares

Last Filed 2026-06-30

Filer	Title/Relationship	Filing Date	Planned Shares	Est. Value
Harris Brian G	Officer	2026-06-30	6K shares	$606K
MEHMEL ROBERT F	Director	2026-06-12	50K shares	$4.69M
KRAMER RONALD J	Director and Officer	2026-06-12	100K shares	$9.08M
Harris Brian G	Officer	2026-06-11	8K shares	$713K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

398433102

FAQ

Who are the top institutional investors holding GRIFFON CORP (GFF)?

Major stakeholders currently include BlackRock, Inc. ($433.3M), Vanguard Portfolio Management LLC ($272.2M), Vanguard Capital Management LLC ($139.4M). Based on the latest 13F filings, there are a total of 335 tracked investment funds and institutions maintaining positions in GFF.

What is the overall institutional sentiment toward GFF recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $3.5M, driven by 173 managers accumulating shares while 151 reduced their exposure.

Which institutions have been selling or reducing their GFF positions?

In the latest period, 106 funds trimmed their holdings, and 45 managers completely exited their positions. The aggregate reported sell value was $980.6M.

Are there any notable investors adding GFF to their portfolios?

Yes, buying activity remains notable. 42 institutions opened new positions in {ticker}, and 131 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.4B.