Calamos Advisors’s FormFactor FORM Stock Holding History

Calamos Advisors’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 Q3	$205K	Buy	+1,375	New	+$157K	﹤0.01%	928
2026 Q2	–	Sell	-30,909	Closed	-$3M	–	1076
2026 Q1	$3M	Buy	+30,909	New	+$2.66M	0.01%	620
2024 Q3	–	Sell	-49,142	Closed	-$2.97M	–	963
2024 Q2	$2.97M	Buy	49,142 +5,992	+14%	+$312K	0.01%	554
2024 Q1	$1.97M	Buy	43,150 +7,146	+20%	+$298K	0.01%	590
2023 Q4	$1.5M	Buy	+36,004	New	+$1.32M	0.01%	629

Other funds holding FORM

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.11B AUM 38.38% 1-Year Est. Return

GF Fund Management Guangzhou, China $7.72B AUM 122.96% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return

Allspring Global Investments Charlotte, North Carolina $64.1B AUM 28.9% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Mawer Investment Management Calgary, Alberta, Canada $13.6B AUM 13.16% 1-Year Est. Return

Calamos Advisors's FORM Position: Q3 2026 in Review

Calamos Advisors opened a new position in FormFactor (FORM) in Q3 2026: 1,375 shares worth $205K. The stake represents ﹤0.01% of the portfolio and ranks #928 among its holdings. This is a return to the name: Calamos Advisors previously reported a position in FORM as recently as Q1 2026.

Calamos Advisors first reported a position in FORM in Q4 2023 and has held it in 5 quarters since. The position peaked at $3M in Q1 2026. 216 funds tracked by Wall St. Rank hold FORM as of Q3 2026.

Calamos Advisors held 1,375 shares of FormFactor worth $205K as of Q3 2026.
FormFactor was a new Calamos Advisors position in Q3 2026.
FormFactor made up ﹤0.01% of Calamos Advisors's portfolio in Q3 2026, its #928 holding.
Calamos Advisors first reported a position in FormFactor in Q4 2023 and has held it in 5 quarters since.
Calamos Advisors's FormFactor position peaked at $3M in Q1 2026.
216 funds tracked by Wall St. Rank held FormFactor as of Q3 2026.

Based on Calamos Advisors's 13F filing for Q3 2026, filed 2 Nov 2026.