Walleye Trading’s FormFactor FORM Stock Holding History

Walleye Trading’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	$336K	Sell	2,100 -2,700	-56%	-$358K	﹤0.01%	2882
2026 Q1	$466K	Sell	4,800 -2,300	-32%	-$198K	﹤0.01%	2634
2025 Q4	$396K	Buy	7,100 +4,900	+223%	+$247K	﹤0.01%	2978
2025 Q3	$80.1K	Buy	+2,200	New	+$70.8K	﹤0.01%	3811
2025 Q1	–	Sell	-1,900	Closed	-$83.6K	–	4256
2024 Q4	$83.6K	Buy	+1,900	New	+$81.7K	﹤0.01%	3628
2016 Q4	–	Sell	-7,000	Closed	-$76K	–	4847
2016 Q3	$76K	Sell	7,000 -9,100	-57%	-$91.6K	﹤0.01%	3483
2016 Q2	$145K	Buy	16,100 +4,800	+42%	+$36.1K	﹤0.01%	3203
2016 Q1	$82K	Buy	11,300 +11,000	+3,667%	+$83.6K	﹤0.01%	3507
2015 Q4	$3K	Buy	+300	New	+$2.49K	﹤0.01%	5028
2013 Q3	–	Sell	-5,500	Closed	-$37K	–	3020
2013 Q2	$37K	Buy	+5,500	New	+$30.1K	﹤0.01%	2347

Other funds holding FORM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

PCH

Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Walleye Trading's FORM Position: Q2 2026 in Review

Walleye Trading opened a new position in FormFactor (FORM) in Q2 2026: 645 shares worth $103K. The stake represents ﹤0.01% of the portfolio and ranks #3391 among its holdings. This is a return to the name: Walleye Trading previously reported a position in FORM as recently as Q4 2024.

Walleye Trading first reported a position in FORM in Q2 2015 and has held it in 9 quarters since. The position peaked at $606K in Q1 2017. 510 funds tracked by Wall St. Rank hold FORM as of Q2 2026.

Walleye Trading held 645 shares of FormFactor worth $103K as of Q2 2026.
FormFactor was a new Walleye Trading position in Q2 2026.
FormFactor made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #3391 holding.
Walleye Trading first reported a position in FormFactor in Q2 2015 and has held it in 9 quarters since.
Walleye Trading's FormFactor position peaked at $606K in Q1 2017.
510 funds tracked by Wall St. Rank held FormFactor as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.