PDF SOLUTIONS INC

PDFSNASDAQ

$56.08+0.58 (+1.05% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

PDF SOLUTIONS INC price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+108.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	13.25%	$393M	0.01%	Not reported
Needham Investment Management LLC	4.93%	$146M	4.40%	Add 2.09%
Vanguard Capital Management LLC	3.97%	$118M	0.00%	Not reported
Vanguard Portfolio Management LLC	3.48%	$103M	0.00%	Not reported
State Street Corp	3.31%	$98.2M	0.00%	Not reported
Wasatch Advisors LP	3.30%	$97.7M	0.64%	Add 171.94%
Barrow Hanley Mewhinney & Strauss LLC	3.15%	$93.4M	0.28%	Not reported
Ranger Investment Management, L.P.	2.74%	$81.4M	5.15%	Reduce 10.16%
Snyder Capital Management L P	2.47%	$73.2M	1.26%	Reduce 2.50%
Jupiter Topco LLC	2.21%	$65.7M	0.03%	Not reported
JPMorgan Chase & Co	2.21%	$61.1M	0.00%	Not reported
Geode Capital Management, LLC	2.19%	$65M	0.00%	Not reported
Emerald Advisers, LLC	2.11%	$62.6M	1.47%	Add 2.73%
Dimensional Fund Advisors LP	2.01%	$59.5M	0.01%	Not reported
Jennison Associates LLC	1.71%	$50.7M	0.03%	New Not reported
Atreides Management, LP	1.57%	$46.6M	0.33%	New Not reported
Loomis Sayles & Co L P	1.54%	$45.5M	0.06%	Reduce 22.23%
Ophir Asset Management Pty Ltd	1.45%	$43M	3.54%	Reduce 46.60%
Point72 Asset Management, L.P.	1.43%	$42.4M	0.05%	Not reported
Emerald Mutual Fund Advisers Trust	1.35%	$40.1M	1.41%	Reduce 4.74%
William Blair Investment Management, LLC	1.32%	$39.2M	0.12%	Reduce 55.86%
Samjo Management, LLC	1.31%	$38.8M	13.25%	Reduce 40.40%
Silverberg Bernstein Capital Management LLC	1.11%	$33M	12.63%	Reduce 1.49%
Oberweis Asset Management Inc/	1.02%	$30.2M	0.62%	New Not reported
Invesco Ltd.	1.01%	$29.9M	0.00%	Not reported
Northern Trust Corp	0.95%	$28.2M	0.00%	Not reported
Russell Investments Group, Ltd.	0.94%	$28M	0.02%	Not reported
Morgan Stanley	0.93%	$27.6M	0.00%	Not reported
Goldman Sachs Group Inc	0.89%	$26.3M	0.00%	Not reported
Shannon River Fund Management LLC	0.88%	$26.2M	2.34%	New Not reported
Charles Schwab Investment Management Inc	0.88%	$26M	0.00%	Not reported
DF Dent & Co Inc	0.85%	$25.1M	0.48%	Add 0.56%
Segall Bryant & Hamill, LLC	0.83%	$24.6M	0.29%	New Not reported
Baillie Gifford & Co	0.82%	$24.5M	0.02%	New Not reported
FMR LLC	0.74%	$22M	0.00%	Not reported
Divisar Capital Management LLC	0.74%	$21.8M	5.02%	Reduce 50.61%
ArrowMark Colorado Holdings LLC	0.66%	$19.4M	0.81%	Reduce 23.02%
Vanguard Fiduciary Trust Co	0.63%	$18.8M	0.00%	Not reported
First Trust Advisors LP	0.62%	$18.5M	0.01%	Not reported
Bank of New York Mellon Corp	0.50%	$14.7M	0.00%	Not reported
T. Rowe Price Investment Management, Inc.	0.49%	$14.4M	0.01%	New Not reported
Penn Capital Management Company, LLC	0.48%	$14.4M	0.91%	Add 916.90%
Principal Financial Group Inc	0.44%	$13M	0.01%	Not reported
Rockefeller Capital Management L.P.	0.44%	$12.9M	0.02%	Not reported
New York State Common Retirement Fund	0.39%	$11.7M	0.01%	Not reported
Rice Hall James & Associates, LLC	0.39%	$11.5M	0.56%	Add 10.30%
DAVENPORT & Co LLC	0.36%	$10.6M	0.05%	New Not reported
Deutsche Bank Ag\	0.32%	$9.38M	0.00%	Not reported
Public Sector Pension Investment Board	0.31%	$9.16M	0.02%	Add 13.03%
Susquehanna International Group, LLP	0.30%	$8.95M	0.00%	Not reported

50 of 271 holders

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