Group One Trading’s FormFactor FORM Stock Holding History

Group One 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	$1.6M	Sell	10,000 -100	-1%	-$13.3K	﹤0.01%	2430
2026 Q1	$980K	Buy	10,100 +7,300	+261%	+$628K	﹤0.01%	2745
2025 Q4	$156K	Sell	2,800 -10,600	-79%	-$534K	﹤0.01%	4608
2025 Q3	$488K	Buy	13,400 +100	+0.8%	+$3.22K	﹤0.01%	3739
2025 Q2	$458K	Sell	13,300 -14,700	-53%	-$446K	﹤0.01%	3507
2025 Q1	$792K	Sell	28,000 -42,000	-60%	-$1.54M	﹤0.01%	2664
2024 Q4	$3.08M	Buy	70,000 +30,000	+75%	+$1.29M	0.01%	1542
2024 Q3	$1.84M	Sell	40,000 -600	-1%	-$29.9K	0.01%	1775
2024 Q2	$2.46M	Buy	40,600 +40,000	+6,667%	+$2.09M	0.01%	1277
2024 Q1	$27.4K	Buy	+600	New	+$25K	﹤0.01%	5186
2022 Q4	–	Sell	-2,500	Closed	-$63K	–	7507
2022 Q3	$63K	Sell	2,500 -400	-14%	-$13K	﹤0.01%	5208
2022 Q2	$112K	Hold	2,900	–	–	﹤0.01%	4871
2022 Q1	$122K	Buy	2,900 +600	+26%	+$25K	﹤0.01%	5301
2021 Q4	$105K	Sell	2,300 -18,700	-89%	-$766K	﹤0.01%	5690
2021 Q3	$784K	Buy	21,000 +800	+4%	+$29.8K	﹤0.01%	3681
2021 Q2	$736K	Buy	20,200 +17,600	+677%	+$694K	﹤0.01%	3771
2021 Q1	$117K	Buy	2,600 +800	+44%	+$36.4K	﹤0.01%	5521
2020 Q4	$77K	Buy	1,800 +600	+50%	+$21.7K	﹤0.01%	4746
2020 Q3	$30K	Sell	1,200 -8,800	-88%	-$245K	﹤0.01%	4933
2020 Q2	$293K	Buy	10,000 +9,500	+1,900%	+$234K	﹤0.01%	3066
2020 Q1	$10K	Sell	500 -24,000	-98%	-$573K	﹤0.01%	4561
2019 Q4	$636K	Buy	24,500 +500	+2%	+$11.3K	﹤0.01%	2244
2019 Q3	$447K	Sell	24,000 -76,000	-76%	-$1.3M	﹤0.01%	2427
2019 Q2	$1.57M	Sell	100,000 -14,500	-13%	-$237K	0.01%	1272
2019 Q1	$1.84M	Buy	114,500 +4,500	+4%	+$67.8K	0.02%	984
2018 Q4	$1.55M	Buy	+110,000	New	+$1.53M	0.01%	1194
2018 Q3	–	Sell	-9,000	Closed	-$120K	–	5319
2018 Q2	$120K	Sell	9,000 -7,100	-44%	-$96.2K	﹤0.01%	3431
2018 Q1	$220K	Sell	16,100 -2,700	-14%	-$39K	﹤0.01%	2725
2017 Q4	$294K	Sell	18,800 -7,800	-29%	-$131K	﹤0.01%	2660
2017 Q3	$448K	Sell	26,600 -92,900	-78%	-$1.32M	﹤0.01%	2168
2017 Q2	$1.48M	Buy	119,500 +84,900	+245%	+$1.09M	0.02%	1159
2017 Q1	$410K	Buy	+34,600	New	+$401K	﹤0.01%	1978
2016 Q3	–	Sell	-1,000	Closed	-$9K	–	4644
2016 Q2	$9K	Sell	1,000 -400	-29%	-$3.01K	﹤0.01%	4107
2016 Q1	$10K	Buy	1,400 +700	+100%	+$5.32K	﹤0.01%	4003
2015 Q4	$6K	Buy	700 +400	+133%	+$3.32K	﹤0.01%	4326
2015 Q3	$2K	Buy	+300	New	+$2.1K	﹤0.01%	4680
2015 Q2	–	Sell	-9,600	Closed	-$85K	–	4944
2015 Q1	$85K	Buy	+9,600	New	+$83.4K	﹤0.01%	2996
2014 Q3	–	Sell	-13,100	Closed	-$109K	–	5233
2014 Q2	$109K	Buy	13,100 +5,100	+64%	+$33.9K	﹤0.01%	2898
2014 Q1	$51K	Sell	8,000 -4,800	-38%	-$31.9K	﹤0.01%	3611
2013 Q4	$77K	Sell	12,800 -400	-3%	-$2.29K	﹤0.01%	3270
2013 Q3	$91K	Sell	13,200 -74,700	-85%	-$508K	﹤0.01%	3105
2013 Q2	$593K	Buy	+87,900	New	+$481K	0.01%	1203

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 $3.37T 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 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

Group One Trading's FORM Position: Q2 2026 in Review

Group One Trading opened a new position in FormFactor (FORM) in Q2 2026: 3,666 shares worth $586K. The stake represents ﹤0.01% of the portfolio and ranks #3341 among its holdings. This is a return to the name: Group One Trading previously reported a position in FORM as recently as Q4 2025.

Group One Trading first reported a position in FORM in Q3 2013 and has held it in 26 quarters since. The position peaked at $708K in Q4 2025. 509 funds tracked by Wall St. Rank hold FORM as of Q2 2026.

Group One Trading held 3,666 shares of FormFactor worth $586K as of Q2 2026.
FormFactor was a new Group One Trading position in Q2 2026.
FormFactor made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #3341 holding.
Group One Trading first reported a position in FormFactor in Q3 2013 and has held it in 26 quarters since.
Group One Trading's FormFactor position peaked at $708K in Q4 2025.
509 funds tracked by Wall St. Rank held FormFactor as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.