Mariner
FORM icon

Mariner’s FormFactor FORM Stock Holding History

Mariner’s Portfolio FORM Stock Details FORM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.55M Buy
26,246
+2,330
+10% +$201K ﹤0.01% 1407
2025
Q4 		$1.33M Sell
23,916
-1,762
-7% -$88.8K ﹤0.01% 1740
2025
Q3 		$935K Sell
25,678
-7,434
-22% -$239K ﹤0.01% 1961
2025
Q2 		$1.14M Buy
33,112
+19,759
+148% +$600K ﹤0.01% 1707
2025
Q1 		$378K Buy
13,353
+4,426
+50% +$163K ﹤0.01% 2424
2024
Q4 		$393K Sell
8,927
-1,269
-12% -$54.5K ﹤0.01% 2379
2024
Q3 		$469K Buy
10,196
+118
+1% +$5.89K ﹤0.01% 2177
2024
Q2 		$609K Buy
10,078
+1,057
+12% +$55.1K ﹤0.01% 1901
2024
Q1 		$412K Buy
9,021
+199
+2% +$8.29K ﹤0.01% 2186
2023
Q4 		$368K Sell
8,822
-7,856
-47% -$287K ﹤0.01% 2169
2023
Q3 		$583K Sell
16,678
-24,885
-60% -$837K ﹤0.01% 1674
2023
Q2 		$1.42M Sell
41,563
-6,459
-13% -$193K ﹤0.01% 1113
2023
Q1 		$1.53M Sell
48,022
-1,435
-3% -$41.1K ﹤0.01% 1074
2022
Q4 		$1.1M Sell
49,457
-7,438
-13% -$173K ﹤0.01% 1188
2022
Q3 		$1.43M Buy
+56,895
New +$1.85M 0.01% 907

Other funds holding FORM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Mariner's FORM Position: Q1 2026 in Review

Mariner increased its FormFactor (FORM) stake by 9.7% in Q1 2026, buying an estimated $201K and bringing the position to 26,246 shares worth $2.55M. The position accounts for ﹤0.01% of the portfolio, ranked #1407.

Mariner first reported a position in FORM in Q3 2022 and has held it in 15 quarters since. 393 funds tracked by Wall St. Rank hold FORM as of Q1 2026.

  • Mariner held 26,246 shares of FormFactor worth $2.55M as of Q1 2026.
  • Mariner bought 2,330 FormFactor shares in Q1 2026, an estimated $201K.
  • FormFactor made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1407 holding.
  • Mariner first reported a position in FormFactor in Q3 2022 and has held it in 15 quarters since.
  • 393 funds tracked by Wall St. Rank held FormFactor as of Q1 2026.

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