Vault-13

GRIFFON CORP GFF

COM · Common Stock · CUSIP 398433102

Multinational conglomerate headquartered in New York City

218 institutional holders
42,854,72542.9m shares reported held*
75.1% of all shares outstanding*
$1.3bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.2m this quarter). Holder counts are more reliable. Shares outstanding: 57.1m as of 2022-10-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $29.52. Options: 16 managers hold calls ($33.2m notional), 9 hold puts ($17.0m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $10.2m346.8k shares
JANE STREET GROUP, LLC — $3.7m126.1k shares
CITADEL ADVISORS LLC — $3.6m120.3k shares
Caption Management, LLC — $3.5m120.0k shares
Conversant Capital LLC — $3.0m100.0k shares
SIMPLEX TRADING, LLC — $2.5m85.0k shares
Parallax Volatility Advisers, L.P. — $2.3m79.0k shares
GROUP ONE TRADING LLC — $1.4m47.1k shares
Jefferies Group LLC — $1.4m45.8k shares
WOLVERINE TRADING, LLC — $602.0k20.5k shares

Biggest puts

Westchester Capital Management, LLC — $9.6m324.4k shares
CITADEL ADVISORS LLC — $3.3m110.5k shares
ROYAL BANK OF CANADA — $2.4m80.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $703.0k23.8k shares
JANE STREET GROUP, LLC — $487.0k16.5k shares
GROUP ONE TRADING LLC — $384.0k13.0k shares
SIMPLEX TRADING, LLC — $197.0k6.7k shares
Cutler Group LLC / CA — $1.0k300 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution -1.1 pts · filed 2025-07-18 12.3% -1.1 pts 5.8m≈ $563.1m 2025-07-18
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 8.1% new 3.8m≈ $368.5m 2026-04-29

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 6 buyingQ4 21: 0 sellingQ1 22: 0 buyingQ1 22: 0 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20216$495.1k0——
Q1 20220—0——
Q2 20220—0——
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 7,211,7157.2m $212.9m $212.9m 0.01% —
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 5,819,6955.8m $171.8m $171.8m 0.01% —
3 DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio AUSTIN, TX 3,245,0843.2m $95.8m $95.8m 0.04% —
4 GAMCO INVESTORS, INC. ET AL 1.03% of their portfolio GREENWICH, CT 2,970,1573.0m $87.7m $87.7m 1.03% —
5 Voss Capital, LP 21.31% of their portfolio HOUSTON, TX 2,526,3452.5m $74.6m $74.6m 21.31% —
6 Allspring Global Investments Holdings, LLC 0.10% of their portfolio CHARLOTTE, NC 1,983,4962.0m $58.6m $58.6m 0.10% —
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 1,824,5741.8m $53.9m $53.9m 0.00% —
8 GABELLI FUNDS LLC 0.36% of their portfolio Rye, NY 1,489,0001.5m $44.0m $44.0m 0.36% —
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 808,305808.3k $23.9m $23.9m 0.00% —
10 Conversant Capital LLC 5.18% of their portfolio SUMMIT, NJ 675,954676.0k $20.0m $20.0m 5.18% —
11 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 604,295604.3k $17.8m $17.8m 0.00% —
12 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 568,330568.3k $16.8m $16.8m 0.01% —
13 Rock Creek Group LLC 2.11% of their portfolio Washington, DC 543,738543.7k $16.1m $16.1m 2.11% —
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 500,100500.1k $14.8m $14.8m 0.00% —
15 ROYCE & ASSOCIATES LP 0.17% of their portfolio New York, NY 495,456495.5k $14.6m $14.6m 0.17% —
16 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 466,503466.5k $13.8m $13.8m 0.00% —
17 FULLER & THALER ASSET MANAGEMENT, INC. 0.10% of their portfolio SAN MATEO, CA 447,108447.1k $13.2m $13.2m 0.10% —
18 NORGES BANK 0.00% of their portfolio OSLO, Q8 405,739405.7k $12.0m $12.0m 0.00% —
19 PEREGRINE CAPITAL MANAGEMENT LLC 0.33% of their portfolio MINNEAPOLIS, MN 348,031348.0k $10.3m $10.3m 0.33% —
20 RAYMOND JAMES & ASSOCIATES 0.01% of their portfolio ST PETERSBURG, FL 338,231338.2k $10.0m $10.0m 0.01% —
21 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 335,057335.1k $9.9m $9.9m 0.00% —
22 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 324,908324.9k $9.6m $9.6m 0.01% —
23 Westchester Capital Management, LLC 0.29% of their portfolio VALHALLA, NY 324,400324.4k $9.6m $9.6m 0.29% —
24 Smith, Graham & Co., Investment Advisors, LP 1.18% of their portfolio Houston, TX 300,907300.9k $8.9m $8.9m 1.18% —
25 Teton Advisors, Inc. 2.13% of their portfolio Rye, NY 297,840297.8k $8.8m $8.8m 2.13% —
26 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 292,825292.8k $8.6m $8.6m 0.01% —
27 Keeley-Teton Advisors, LLC 1.07% of their portfolio Chicago, IL 264,324264.3k $7.8m $7.8m 1.07% —
28 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 254,164254.2k $7.5m $7.5m 0.00% —
29 ProShare Advisors LLC 0.03% of their portfolio BETHESDA, MD 254,154254.2k $7.5m $7.5m 0.03% —
30 BOOTHBAY FUND MANAGEMENT, LLC 0.21% of their portfolio NEW YORK, NY 223,848223.8k $6.6m $6.6m 0.21% —
31 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 217,926217.9k $6.4m $6.4m 0.01% —
32 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 217,335217.3k $6.4m $6.4m 0.00% —
33 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 215,586215.6k $6.4m $6.4m 0.00% —
34 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 212,857212.9k $6.3m $6.3m 0.02% —
35 13D Management LLC 2.57% of their portfolio New York, NY 166,625166.6k $4.9m $4.9m 2.57% —
36 Raymond James Financial Services Advisors, Inc. 0.01% of their portfolio ST. PETERSBURG, FL 156,515156.5k $4.6m $4.6m 0.01% —
37 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 147,621147.6k $4.4m $4.4m 0.00% —
38 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 146,195146.2k $4.3m $4.3m 0.01% —
39 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 142,600142.6k $4.2m $4.2m 0.01% —
40 Steamboat Capital Partners, LLC 2.06% of their portfolio RYE, NY 140,623140.6k $4.2m $4.2m 2.06% —
41 EVR Research LP 1.23% of their portfolio RICHMOND, VA 140,000140.0k $4.1m $4.1m 1.23% —
42 SEI INVESTMENTS CO 0.01% of their portfolio OAKS, PA 138,542138.5k $4.1m $4.1m 0.01% —
43 RICE HALL JAMES & ASSOCIATES, LLC 0.24% of their portfolio San Diego, CA 137,681137.7k $4.1m $4.1m 0.24% —
44 Legal & General Group Plc 0.00% of their portfolio London, X0 135,097135.1k $4.0m $4.0m 0.00% —
45 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 129,565129.6k $3.8m $3.8m 0.01% —
46 Penserra Capital Management LLC 0.11% of their portfolio ORINDA, CA 126,420126.4k $3.7m $3.7m 0.11% —
47 Moody Aldrich Partners LLC 0.73% of their portfolio MARBLEHEAD, MA 120,891120.9k $3.6m $3.6m 0.73% —
48 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 110,400110.4k $3.3m $3.3m 0.01% —
49 Carlson Capital, L.P. 0.24% of their portfolio DALLAS, TX 108,004108.0k $3.2m $3.2m 0.24% —
50 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio ALBANY, NY 102,333102.3k $3.0m $3.0m 0.01% —
51 Swiss National Bank 0.00% of their portfolio ZURICH, V8 101,400101.4k $3.0m $3.0m 0.00% —
52 Informed Momentum Co LLC 0.59% of their portfolio SOLANA BEACH, CA 91,59091.6k $2.7m $2.7m 0.59% —
53 Squarepoint Ops LLC 0.02% of their portfolio NEW YORK, NY 89,53189.5k $2.6m $2.6m 0.02% —
54 Public Sector Pension Investment Board 0.02% of their portfolio MONTREAL, A8 86,81786.8k $2.6m $2.6m 0.02% —
55 PCJ Investment Counsel Ltd. 1.26% of their portfolio TORONTO, A6 86,58086.6k $2.6m $2.6m 1.26% —
56 Grantham, Mayo, Van Otterloo & Co. LLC 0.01% of their portfolio Boston, MA 86,00086.0k $2.5m $2.5m 0.01% —
57 AXA S.A. 0.00% of their portfolio PARIS, I0 82,40082.4k $2.4m $2.4m 0.00% —
58 COMERICA BANK 0.02% of their portfolio DALLAS, TX 80,00780.0k $2.5m $2.5m 0.02% —
59 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 77,41877.4k $2.3m $2.3m 0.00% —
60 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 74,90474.9k $2.2m $2.2m 0.00% —
61 KAVAR CAPITAL PARTNERS GROUP, LLC 0.56% of their portfolio LEAWOOD, KS 73,80973.8k $2.2m $2.2m 0.56% —
62 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 73,59673.6k $2.2m $2.2m 0.00% —
63 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 66,65866.7k $2.0m $2.0m 0.00% —
64 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 64,55564.6k $1.9m $1.9m 0.00% —
65 Global IMC LLC 0.49% of their portfolio SOLANA BEACH, CA 62,13362.1k $1.8m $1.8m 0.49% —
66 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 59,14059.1k $1.7m $1.7m 0.00% —
67 Brookfield Corp /ON/ 0.01% of their portfolio TORONTO, A6 57,41857.4k $1.7m $1.7m 0.01% —
68 IRONWOOD INVESTMENT MANAGEMENT LLC 1.18% of their portfolio BOSTON, MA 56,94556.9k $1.7m $1.7m 1.18% —
69 Claybrook Capital, LLC 1.06% of their portfolio WELLESLEY, MA 56,55156.6k $1.7m $1.7m 1.06% —
70 JCP Investment Management, LLC 1.18% of their portfolio HOUSTON, TX 56,22656.2k $1.7m $1.7m 1.18% —
71 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 54,99855.0k $1.6m $1.6m 0.00% —
72 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 52,76052.8k $1.6m $1.6m 0.00% —
73 Venator Capital Management Ltd. 2.89% of their portfolio TORONTO, A6 51,10051.1k $1.5m $1.5m 2.89% —
74 Dynamic Technology Lab Private Ltd 0.15% of their portfolio SINGAPORE, U0 50,66050.7k $1.5m $1.5m 0.15% —
75 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 48,96049.0k $1.4m $1.4m 0.00% —
76 Janney Montgomery Scott LLC 0.01% of their portfolio PHILADELPHIA, PA 48,73148.7k $1.4m $1.4m 0.01% —
77 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 47,60547.6k $1.4m $1.4m 0.00% —
78 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 44,28944.3k $1.3m $1.3m 0.01% —
79 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio HARRISBURG, PA 43,15443.2k $1.3m $1.3m 0.01% —
80 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 41,77941.8k $1.2m $1.2m 0.00% —
81 TEACHER RETIREMENT SYSTEM OF TEXAS 0.01% of their portfolio AUSTIN, TX 41,69841.7k $1.2m $1.2m 0.01% —
82 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 41,34041.3k $1.2m $1.2m 0.01% —
83 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 40,62440.6k $1.2m $1.2m 0.00% —
84 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 40,39440.4k $1.2m $1.2m 0.00% —
85 Alpha Paradigm Partners, LLC 0.51% of their portfolio CHICAGO, IL 40,16240.2k $1.2m $1.2m 0.51% —
86 DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% of their portfolio FRANKFURT AM MAIN, 2M 39,92739.9k $1.2m $1.2m 0.00% —
87 YOUSIF CAPITAL MANAGEMENT, LLC 0.02% of their portfolio BLOOMFIELD HILLS, MI 38,29738.3k $1.1m $1.1m 0.02% —
88 EATON VANCE MANAGEMENT 0.00% of their portfolio BOSTON, MA 37,35837.4k $1.1m $1.1m 0.00% —
89 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 37,07637.1k $1.1m $1.1m 0.00% —
90 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 36,50036.5k $1.1m $1.1m 0.00% —
91 Caption Management, LLC 0.19% of their portfolio OKLAHOMA CITY, OK 35,94735.9k $1.1m $1.1m 0.19% —
92 TEXAS PERMANENT SCHOOL FUND CORP 0.02% of their portfolio AUSTIN, TX 34,06434.1k $1.0m $1.0m 0.02% —
93 SIMPLEX TRADING, LLC 0.04% of their portfolio CHICAGO, IL 33,39833.4k $985.0k $985.0k 0.04% —
94 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 33,33433.3k $984.0k $984.0k 0.00% —
95 State of Alaska, Department of Revenue 0.01% of their portfolio JUNEAU, AK 32,80832.8k $968.0k $968.0k 0.01% —
96 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 31,82431.8k $939.4k $939.4k 0.00% —
97 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 31,36131.4k $926.0k $926.0k 0.00% —
98 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 30,05330.1k $887.0k $887.0k 0.00% —
99 JOHNSON INVESTMENT COUNSEL INC 0.01% of their portfolio Cincinnati, OH 29,80129.8k $880.0k $880.0k 0.01% —
100 Hillsdale Investment Management Inc. 0.08% of their portfolio Toronto, A6 28,70028.7k $847.0k $847.0k 0.08% —