GRIFFON CORP (GFF) Top Institutional Shareholders
GRIFFON CORP (GFF) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.45B in GFF holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of GFF tracked by InsiderSet, reporting ownership valued at approximately $433.34M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $529.70M, representing an estimated gain of +22.23% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed GFF value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in GRIFFON CORP (GFF).
This page ranks the largest institutional GFF shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
332
Total Reported Value
$2.45B
Largest Holder
Blackrock, Inc.
Largest Position
$433.34M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
65
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 5,962,365 | $433,344,672 | $529,696,507 | +$96,351,835 | +22.23% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,745,114 | $272,194,886 | $332,715,928 | +$60,521,042 | +22.23% | |
| Vanguard Capital Management Llc | 0.00% | 1,918,661 | $139,448,282 | $170,453,843 | +$31,005,561 | +22.23% | |
| Voss Capital, Lp | 7.58% | 1,825,000 | $132,641,000 | $162,133,000 | +$29,492,000 | +22.23% | |
| State Street Corp | 0.00% | 1,499,356 | $108,973,194 | $133,202,787 | +$24,229,593 | +22.23% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,011,360 | $73,500,504 | $89,849,222 | +$16,348,718 | +22.24% | |
| Fuller & Thaler Asset Management, Inc. | 0.25% | 1,002,013 | $72,826,277 | $89,018,835 | +$16,192,558 | +22.23% | |
| Geode Capital Management, Llc | 0.00% | 923,975 | $67,166,789 | $82,085,939 | +$14,919,150 | +22.21% | |
| Nomura Asset Management International Inc. | 0.10% | 776,551 | $56,440,000 | $68,988,791 | +$12,548,791 | +22.23% | |
| Raymond James Financial Inc | 0.01% | 623,785 | $45,336,762 | $55,417,059 | +$10,080,297 | +22.23% | |
| Point72 Asset Management, L.P. | 0.07% | 582,696 | $42,350,345 | $51,766,713 | +$9,416,368 | +22.23% | |
| Charles Schwab Investment Management Inc | 0.01% | 558,920 | $40,622,306 | $49,654,453 | +$9,032,147 | +22.23% | |
| Renaissance Technologies LLC | Jim Simons | 0.06% | 547,351 | $39,781,471 | $48,626,663 | +$8,845,192 | +22.23% |
| Gamco Investors, Inc. Et Al | 0.36% | 506,048 | $36,779,569 | $44,957,304 | +$8,177,735 | +22.23% | |
| Goldman Sachs Group Inc | 0.00% | 427,765 | $31,089,935 | $38,002,643 | +$6,912,708 | +22.23% | |
| Fmr Llc | 0.00% | 422,891 | $30,735,665 | $37,569,636 | +$6,833,971 | +22.23% | |
| Morgan Stanley | 0.00% | 422,234 | $30,688,055 | $37,511,269 | +$6,823,214 | +22.23% | |
| Northern Trust Corp | 0.00% | 418,365 | $30,406,768 | $37,167,547 | +$6,760,779 | +22.23% | |
| Primecap Management Co/Ca/ | 0.02% | 417,097 | $30,314,610 | $37,054,897 | +$6,740,287 | +22.23% | |
| Invesco Ltd. | 0.00% | 416,672 | $30,283,721 | $37,017,140 | +$6,733,419 | +22.23% | |
| Summittx Capital, L.P. | 0.96% | 415,531 | $30,200,793 | $36,915,774 | +$6,714,981 | +22.23% | |
| Bank Of New York Mellon Corp | 0.00% | 366,460 | $26,634,303 | $32,556,306 | +$5,922,003 | +22.23% | |
| Driehaus Capital Management Llc | 0.19% | 349,580 | $25,407,474 | $31,056,687 | +$5,649,213 | +22.23% | |
| Gabelli Funds Llc | 0.15% | 298,500 | $21,694,980 | $26,518,740 | +$4,823,760 | +22.23% | |
| Seb Asset Management Ab | 0.09% | 289,896 | $21,069,623 | $25,754,361 | +$4,684,738 | +22.23% | |
| Vanguard Fiduciary Trust Co | 0.01% | 275,918 | $20,053,720 | $24,512,555 | +$4,458,835 | +22.23% | |
| Loomis Sayles & Co L P | 0.03% | 268,278 | $19,498,445 | $23,833,818 | +$4,335,373 | +22.23% | |
| D. E. Shaw & Co., Inc. | 0.01% | 255,616 | $18,578,171 | $22,708,925 | +$4,130,754 | +22.23% | |
| Congruence Capital, Llc | 6.09% | 250,008 | $18,170,582 | $22,210,711 | +$4,040,129 | +22.23% | |
| Jennison Associates Llc | 0.01% | 248,407 | $18,054,220 | $22,068,478 | +$4,014,258 | +22.23% | |
| Janus Henderson Group Plc | 0.01% | 241,733 | $17,570,315 | $21,475,560 | +$3,905,245 | +22.23% | |
| Mhr Fund Management Llc | 1.27% | 239,392 | $17,399,011 | $21,267,585 | +$3,868,574 | +22.23% | |
| Wilmington Savings Fund Society, Fsb | 0.35% | 202,785 | $14,738,414 | $18,015,419 | +$3,277,005 | +22.23% | |
| Aberdeen Group Plc | 0.02% | 192,456 | $13,987,702 | $17,097,791 | +$3,110,089 | +22.23% | |
| Principal Financial Group Inc | 0.01% | 191,262 | $13,900,922 | $16,991,716 | +$3,090,794 | +22.23% | |
| Wellington Management Group Llp | 0.00% | 182,246 | $13,245,639 | $16,190,735 | +$2,945,096 | +22.23% | |
| Nuveen, Llc | 0.00% | 172,703 | $12,552,054 | $15,342,935 | +$2,790,881 | +22.23% | |
| Public Sector Pension Investment Board | 0.04% | 169,342 | $12,307,777 | $15,044,343 | +$2,736,566 | +22.23% | |
| Bank Of America Corp | 0.00% | 164,673 | $11,968,455 | $14,629,549 | +$2,661,094 | +22.23% | |
| Man Group Plc | 0.02% | 151,954 | $11,044,017 | $13,499,593 | +$2,455,576 | +22.23% | |
| Steward Partners Investment Advisory, Llc | 0.05% | 146,301 | $10,633,166 | $12,997,381 | +$2,364,215 | +22.23% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.02% | 138,649 | $10,077,009 | $12,317,577 | +$2,240,568 | +22.23% | |
| Ubs Group Ag | 0.00% | 133,240 | $9,683,883 | $11,837,042 | +$2,153,159 | +22.23% | |
| Two Sigma Investments, Lp | 0.01% | 127,404 | $9,259,723 | $11,318,571 | +$2,058,848 | +22.23% | |
| Qube Research & Technologies Ltd | 0.01% | 127,025 | $9,232,177 | $11,284,901 | +$2,052,724 | +22.23% | |
| Dana Investment Advisors, Inc. | 0.27% | 122,964 | $8,937,024 | $10,924,122 | +$1,987,098 | +22.23% | |
| Ayal Capital Advisors Ltd | 4.46% | 120,000 | $8,721,600 | $10,660,800 | +$1,939,200 | +22.23% | |
| Bnp Paribas Financial Markets | 0.01% | 117,461 | $8,537,065 | $10,435,235 | +$1,898,170 | +22.23% | |
| Federated Hermes, Inc. | 0.01% | 113,707 | $8,264,225 | $10,101,730 | +$1,837,505 | +22.23% | |
| American Century Companies Inc | 0.00% | 110,321 | $8,018,130 | $9,800,918 | +$1,782,788 | +22.23% |
Frequently asked questions about GFF
Who owns the most GFF stock?
The largest holders of GFF are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GRIFFON CORP (GFF).
Is GFF widely held by superinvestors?
Many widely followed stocks like GFF appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GFF is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.