Yorktown Management & Research Company’s PDF Solutions PDFS Stock Holding History

Yorktown Management & Research Company’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	$676K	Hold	9,550	–	–	0.41%	74
2026 Q1	$312K	Buy	+9,550	New	+$312K	0.26%	148
2014 Q2	–	Sell	-10,800	Closed	-$196K	–	500
2014 Q1	$196K	Hold	10,800	–	–	0.04%	431
2013 Q4	$277K	Sell	10,800 -5,700	-35%	-$131K	0.06%	237
2013 Q3	$351K	Hold	16,500	–	–	0.08%	136
2013 Q2	$304K	Buy	+16,500	New	+$287K	0.06%	137

Other funds holding PDFS

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

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

Emerald Advisers Leola, Pennsylvania $4.25B AUM 141.71% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

EMFAT

Emerald Mutual Fund Advisers Trust Leola, Pennsylvania $2.85B AUM 140.52% 1-Year Est. Return

SBCM

Silverberg Bernstein Capital Management Armonk, New York $261M AUM 89.93% 1-Year Est. Return

Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Yorktown Management & Research Company's PDFS Position: Q2 2026 in Review

Yorktown Management & Research Company held its PDF Solutions (PDFS) position steady in Q2 2026 at 9,550 shares worth $676K. The position accounts for 0.41% of the portfolio, ranked #74.

Yorktown Management & Research Company first reported a position in PDFS in Q2 2013 and has held it in 6 quarters since. 122 funds tracked by Wall St. Rank hold PDFS as of Q2 2026.

Yorktown Management & Research Company held 9,550 shares of PDF Solutions worth $676K as of Q2 2026.
Yorktown Management & Research Company left its PDF Solutions share count unchanged in Q2 2026.
PDF Solutions made up 0.41% of Yorktown Management & Research Company's portfolio in Q2 2026, its #74 holding.
Yorktown Management & Research Company first reported a position in PDF Solutions in Q2 2013 and has held it in 6 quarters since.
122 funds tracked by Wall St. Rank held PDF Solutions as of Q2 2026.

Based on Yorktown Management & Research Company's 13F filing for Q2 2026, filed 23 Jul 2026.