Jane Street’s FormFactor FORM Stock Holding History

Jane Street’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	$54.2M	Buy	339,200 +326,800	+2,635%	+$43.4M	﹤0.01%	1360
2026 Q1	$1.2M	Buy	12,400 +5,900	+91%	+$508K	﹤0.01%	6116
2025 Q4	$363K	Sell	6,500 -5,400	-45%	-$272K	﹤0.01%	8407
2025 Q3	$433K	Buy	+11,900	New	+$383K	﹤0.01%	8154
2022 Q2	–	Sell	-4,800	Closed	-$202K	–	10029
2022 Q1	$202K	Buy	+4,800	New	+$200K	﹤0.01%	9021
2021 Q2	–	Sell	-7,800	Closed	-$352K	–	9958
2021 Q1	$352K	Sell	7,800 -100	-1%	-$4.55K	﹤0.01%	7435
2020 Q4	$340K	Buy	+7,900	New	+$285K	﹤0.01%	6241

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

Jane Street's FORM Position: Q2 2026 in Review

Jane Street increased its FormFactor (FORM) stake by 42% in Q2 2026, buying an estimated $51M and bringing the position to 1,309,873 shares worth $209M. The position accounts for 0.02% of the portfolio, ranked #566.

Jane Street first reported a position in FORM in Q2 2013 and has held it in 24 quarters since. 509 funds tracked by Wall St. Rank hold FORM as of Q2 2026.

Jane Street held 1,309,873 shares of FormFactor worth $209M as of Q2 2026.
Jane Street bought 384,256 FormFactor shares in Q2 2026, an estimated $51M.
FormFactor made up 0.02% of Jane Street's portfolio in Q2 2026, its #566 holding.
Jane Street first reported a position in FormFactor in Q2 2013 and has held it in 24 quarters since.
509 funds tracked by Wall St. Rank held FormFactor as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.