Roubaix Capital’s PDF Solutions PDFS Stock Holding History

Roubaix Capital’s Portfolio PDFS Stock Details PDFS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$3.79M	Sell	53,546 -128,391	-71%	-$6.36M	1.36%	47
2026 Q1	$5.95M	Sell	181,937 -38,085	-17%	-$1.24M	2.78%	12
2025 Q4	$6.28M	Buy	220,022 +13,674	+7%	+$378K	2.68%	8
2025 Q3	$5.33M	Buy	+206,348	New	+$4.51M	2.48%	15
2024 Q3	–	Sell	-101,983	Closed	-$3.71M	–	60
2024 Q2	$3.71M	Buy	101,983 +3,865	+4%	+$129K	2.34%	18
2024 Q1	$3.3M	Buy	98,118 +51,812	+112%	+$1.7M	2.09%	24
2023 Q4	$1.49M	Buy	+46,306	New	+$1.4M	1.04%	42
2023 Q2	–	Sell	-87,915	Closed	-$3.73M	–	55
2023 Q1	$3.73M	Sell	87,915 -21,123	-19%	-$740K	2.84%	14
2022 Q4	$3.11M	Buy	+109,038	New	+$2.94M	2.52%	12

Other funds holding PDFS

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

NIM

Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

RIM

Ranger Investment Management Dallas, Texas $1.58B AUM 51% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Roubaix Capital's PDFS Position: Q2 2026 in Review

Roubaix Capital reduced its PDF Solutions (PDFS) stake by 71% in Q2 2026, selling an estimated $6.36M and leaving 53,546 shares worth $3.79M. The position accounts for 1.36% of the portfolio, ranked #47.

Roubaix Capital first reported a position in PDFS in Q4 2022 and has held it in 9 quarters since. The position peaked at $6.28M in Q4 2025. 282 funds tracked by Wall St. Rank hold PDFS as of Q2 2026.

Roubaix Capital held 53,546 shares of PDF Solutions worth $3.79M as of Q2 2026.
Roubaix Capital sold 128,391 PDF Solutions shares in Q2 2026, an estimated $6.36M.
PDF Solutions made up 1.36% of Roubaix Capital's portfolio in Q2 2026, its #47 holding.
Roubaix Capital first reported a position in PDF Solutions in Q4 2022 and has held it in 9 quarters since.
Roubaix Capital's PDF Solutions position peaked at $6.28M in Q4 2025.
282 funds tracked by Wall St. Rank held PDF Solutions as of Q2 2026.

Based on Roubaix Capital's 13F filing for Q2 2026, filed 10 Aug 2026.