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ESSEX INVESTMENT MANAGEMENT CO LLC

Position in GFF — Griffon Corp

CIK 201772 BOSTON, MA

Position in GFF

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$4,382,705
+$961,222 QoQ
Shares Held
44,937
-4.5% QoQ
Ownership
0.099%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
#78
of 345 holders
Holding Since
Jun 2022
17 quarters on record
Voting authority Sole 51% Shared 0% None 49%

Common Shares in GFF Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $16,375,992 across 7 Building Products & Equipment names. GFF ranks #2 (26.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 GFF
Griffon Corp
This page
44,937 $4,382,705

All Filings in GFF

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,382,705 44,937
2026-03-31 $3,421,483 47,076
2025-12-31 $3,402,630 46,200
2025-09-30 $3,602,047 47,302
2025-06-30 $3,304,486 45,661
2025-03-31 $3,287,141 45,974
2024-12-31 $3,302,366 46,336
2024-09-30 $3,700,270 52,861
2024-06-30 $3,366,124 52,711
2024-03-31 $2,898,836 39,526
2023-12-31 $2,396,127 39,313
2023-09-30 $2,080,770 52,452
2023-06-30 $2,129,371 52,838
2023-03-31 $960,235 29,998
2022-12-31 $868,336 24,262
2022-09-30 $723,417 24,506
2022-06-30 $636,841 22,720