Mariner
GFF icon

Mariner’s Griffon GFF Stock Holding History

Mariner’s Portfolio GFF Stock Details GFF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$288K Sell
3,957
-14,732
-79% -$1.19M ﹤0.01% 2917
2025
Q4 		$1.38M Buy
18,689
+1,350
+8% +$100K ﹤0.01% 1713
2025
Q3 		$1.32M Buy
17,339
+11,109
+178% +$857K ﹤0.01% 1700
2025
Q2 		$451K Buy
6,230
+428
+7% +$29.8K ﹤0.01% 2410
2025
Q1 		$415K Buy
5,802
+996
+21% +$73.5K ﹤0.01% 2358
2024
Q4 		$342K Sell
4,806
-8
-0.2% -$580 ﹤0.01% 2510
2024
Q3 		$337K Sell
4,814
-109
-2% -$7.22K ﹤0.01% 2469
2024
Q2 		$314K Sell
4,923
-8
-0.2% -$541 ﹤0.01% 2414
2024
Q1 		$362K Buy
4,931
+310
+7% +$20.2K ﹤0.01% 2291
2023
Q4 		$282K Buy
+4,621
New +$214K ﹤0.01% 2404

Other funds holding GFF

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VC
Voss Capital Houston, Texas $1.88B AUM 1.03% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Mariner's GFF Position: Q1 2026 in Review

Mariner reduced its Griffon (GFF) stake by 79% in Q1 2026, selling an estimated $1.19M and leaving 3,957 shares worth $288K. The position accounts for ﹤0.01% of the portfolio, ranked #2917.

Mariner first reported a position in GFF in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.38M in Q4 2025. 339 funds tracked by Wall St. Rank hold GFF as of Q1 2026.

  • Mariner held 3,957 shares of Griffon worth $288K as of Q1 2026.
  • Mariner sold 14,732 Griffon shares in Q1 2026, an estimated $1.19M.
  • Griffon made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2917 holding.
  • Mariner first reported a position in Griffon in Q4 2023 and has held it in 10 quarters since.
  • Mariner's Griffon position peaked at $1.38M in Q4 2025.
  • 339 funds tracked by Wall St. Rank held Griffon as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.