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	$103K	Buy	+645	New	+$85.6K	﹤0.01%	3391
2025 Q1	–	Sell	-11,994	Closed	-$528K	–	4255
2024 Q4	$528K	Buy	+11,994	New	+$516K	﹤0.01%	2598
2017 Q3	–	Sell	-38,498	Closed	-$477	–	4269
2017 Q2	$477	Sell	38,498 -12,678	-25%	-$164K	﹤0.01%	2428
2017 Q1	$606	Buy	+51,176	New	+$593K	﹤0.01%	2076
2016 Q4	–	Sell	-34,529	Closed	-$368K	–	4846
2016 Q3	$375K	Sell	34,529 -5,283	-13%	-$53.2K	﹤0.01%	2365
2016 Q2	$358K	Buy	39,812 +26,787	+206%	+$202K	﹤0.01%	2507
2016 Q1	$95K	Buy	13,025 +1,437	+12%	+$10.9K	﹤0.01%	3383
2015 Q4	$104K	Buy	+11,588	New	+$96.2K	﹤0.01%	3261
2015 Q3	–	Sell	-500	Closed	-$3.49K	–	5135
2015 Q2	$5K	Buy	+500	New	+$4.54K	﹤0.01%	4496

Other funds holding FORM

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

GFM

GF Fund Management Guangzhou, China $8.34B AUM 165.53% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

WAM

WT Asset Management Hong Kong $5.05B AUM 589.49% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Fisher Asset Management Camas, Washington $336B AUM 34.66% 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 $528K in Q4 2024. 220 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 $528K in Q4 2024.
220 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.