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 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 $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

Group One Trading's FORM Position: Q1 2026 in Review

Group One Trading sold out of FormFactor (FORM) in Q1 2026, closing a stake of 12,684 shares — an estimated $1.09M sold.

Group One Trading first reported a position in FORM in Q3 2013 and held it in 25 quarters. The position peaked at $708K in Q4 2025. 393 funds tracked by Wall St. Rank hold FORM as of Q1 2026.

Group One Trading reported no remaining FormFactor position as of Q1 2026 after selling out during the quarter.
Group One Trading sold 12,684 FormFactor shares in Q1 2026, an estimated $1.09M.
Group One Trading first reported a position in FormFactor in Q3 2013 and held it in 25 quarters.
Group One Trading's FormFactor position peaked at $708K in Q4 2025.
393 funds tracked by Wall St. Rank held FormFactor as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.