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
Q2 		$1.66M Sell
10,382
-15,864
-60% -$2.1M ﹤0.01% 1609
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 $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Mariner's FORM Position: Q2 2026 in Review

Mariner reduced its FormFactor (FORM) stake by 60% in Q2 2026, selling an estimated $2.1M and leaving 10,382 shares worth $1.66M. The position accounts for ﹤0.01% of the portfolio, ranked #1609.

Mariner first reported a position in FORM in Q3 2022 and has held it in 16 quarters since. The position peaked at $2.55M in Q1 2026. 510 funds tracked by Wall St. Rank hold FORM as of Q2 2026.

  • Mariner held 10,382 shares of FormFactor worth $1.66M as of Q2 2026.
  • Mariner sold 15,864 FormFactor shares in Q2 2026, an estimated $2.1M.
  • FormFactor made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1609 holding.
  • Mariner first reported a position in FormFactor in Q3 2022 and has held it in 16 quarters since.
  • Mariner's FormFactor position peaked at $2.55M in Q1 2026.
  • 510 funds tracked by Wall St. Rank held FormFactor as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.