Quantbot Technologies’s PDF Solutions PDFS Stock Holding History

Quantbot Technologies’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 Q1	–	Sell	-13,005	Closed	-$371K	–	2049
2025 Q4	$371K	Buy	+13,005	New	+$360K	0.01%	1040
2025 Q3	–	Sell	-8,261	Closed	-$177K	–	2024
2025 Q2	$177K	Sell	8,261 -5,063	-38%	-$95.8K	﹤0.01%	1266
2025 Q1	$255K	Buy	+13,324	New	+$327K	0.01%	1078
2024 Q1	–	Sell	-7,939	Closed	-$255K	–	1841
2023 Q4	$255K	Buy	7,939 +6,865	+639%	+$208K	0.01%	942
2023 Q3	$34.8K	Buy	+1,074	New	+$41.1K	﹤0.01%	1296
2023 Q2	–	Sell	-5,548	Closed	-$235K	–	1863
2023 Q1	$235K	Buy	+5,548	New	+$194K	0.02%	854
2022 Q3	–	Sell	-747	Closed	-$16K	–	1964
2022 Q2	$16K	Buy	+747	New	+$17.3K	﹤0.01%	1476
2022 Q1	–	Sell	-2,300	Closed	-$73K	–	1958
2021 Q4	$73K	Buy	+2,300	New	+$64K	0.01%	946
2021 Q3	–	Sell	-100	Closed	-$1K	–	1795
2021 Q2	$1K	Sell	100 -800	-89%	-$14.3K	﹤0.01%	1406
2021 Q1	$16K	Buy	900 +600	+200%	+$11.9K	﹤0.01%	1200
2020 Q4	$6K	Buy	+300	New	+$6.3K	﹤0.01%	1150

Other funds holding PDFS

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

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

RIM

Ranger Investment Management Dallas, Texas $1.38B AUM 24.55% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

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

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

OAM

Ophir Asset Management Sydney, Australia $859M AUM 59.08% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

Quantbot Technologies's PDFS Position: Q1 2026 in Review

Quantbot Technologies sold out of PDF Solutions (PDFS) in Q1 2026, closing a stake of 13,005 shares — an estimated $371K sold.

Quantbot Technologies first reported a position in PDFS in Q4 2020 and held it in 11 quarters. The position peaked at $371K in Q4 2025. 208 funds tracked by Wall St. Rank hold PDFS as of Q1 2026.

Quantbot Technologies reported no remaining PDF Solutions position as of Q1 2026 after selling out during the quarter.
Quantbot Technologies sold 13,005 PDF Solutions shares in Q1 2026, an estimated $371K.
Quantbot Technologies first reported a position in PDF Solutions in Q4 2020 and held it in 11 quarters.
Quantbot Technologies's PDF Solutions position peaked at $371K in Q4 2025.
208 funds tracked by Wall St. Rank held PDF Solutions as of Q1 2026.

Based on Quantbot Technologies's 13F filing for Q1 2026, filed 13 May 2026.