PDFS PDF Solutions, Inc.

NASDAQ
$34.52

PDF Solutions, Inc. (PDFS) Institutional Ownership

What the institutions did with PDFS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.

Managers compared
116
filed both this quarter and last
Managers holding
103
+4 on the quarter
Buyers
61
17 opened new
Sellers
36
13 sold out entirely
Buyer share
62.9%
of managers who traded it
Breadth
+25.8
net buyers, as a share of those trading

Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Ownership map

Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.

Cut Unchanged Added Color saturates at ±50%.

Largest holders

Manager Shares % of reported
WASATCH ADVISORS LP 2.6M 44.5%
DIMENSIONAL FUND ADVISORS LP 841.1K 14.1%
Silverberg Bernstein Capital Management LLC 442.0K 7.4%
Penn Capital Management Company, LLC 273.6K 4.6%
PRINCIPAL FINANCIAL GROUP INC 246.2K 4.1%
Bank of New York Mellon Corp 214.5K 3.6%
DAVENPORT & Co LLC 167.3K 2.8%
Thrivent Financial for Lutherans 165.4K 2.8%
BROWN CAPITAL MANAGEMENT LLC 154.2K 2.6%
Bridge City Capital, LLC 90.9K 1.5%
Bouvel Investment Partners, LLC 63.3K 1.1%
OPPENHEIMER ASSET MANAGEMENT INC. 47.4K 0.8%
Creative Planning 46.7K 0.8%
Riverwater Partners LLC 39.7K 0.7%
Dana Investment Advisors, Inc. 38.0K 0.6%
B. Metzler seel. Sohn & Co. AG 36.3K 0.6%
Williams Jones Wealth Management, LLC. 32.0K 0.5%
KORNITZER CAPITAL MANAGEMENT INC /KS 30.0K 0.5%
Illinois Municipal Retirement Fund 18.3K 0.3%
Kings Path Partners LLC 17.8K 0.3%
Louisiana State Employees Retirement System 16.0K 0.3%
Genesee Capital Advisors, LLC 15.8K 0.3%
BARCLAYS PLC 15.7K 0.3%
Central Pacific Bank - Trust Division 14.1K 0.2%
CenterBook Partners LP 13.5K 0.2%

Largest changes

Manager Action Previous Current Change
WASATCH ADVISORS LP Increased 1.4M 2.6M +1.3M
Thrivent Financial for Lutherans Increased 24.7K 165.4K +140.7K
Penn Capital Management Company, LLC Increased 203.1K 273.6K +70.5K
PRINCIPAL FINANCIAL GROUP INC Increased 183.8K 246.2K +62.4K
BROWN CAPITAL MANAGEMENT LLC Increased 102.2K 154.2K +52.0K
CITIGROUP INC Reduced 51.1K 6.4K -44.6K
OPPENHEIMER ASSET MANAGEMENT INC. Increased 19.6K 47.4K +27.8K
Silverberg Bernstein Capital Management LLC Reduced 465.8K 442.0K -23.9K
B. Metzler seel. Sohn & Co. AG Increased 12.8K 36.3K +23.5K
Calamos Advisors LLC Sold Out 20.9K 0 -20.9K
DAVENPORT & Co LLC Increased 150.4K 167.3K +16.9K
Bridge City Capital, LLC Increased 76.5K 90.9K +14.4K
CenterBook Partners LP New 0 13.5K +13.5K
KORNITZER CAPITAL MANAGEMENT INC /KS Increased 20.0K 30.0K +10.0K
SIMPLEX TRADING, LLC Reduced 10.2K 1.8K -8.4K
State of Wyoming Increased 1.8K 8.8K +7.0K
HIGHLAND CAPITAL MANAGEMENT, LLC Sold Out 6.9K 0 -6.9K
Caitong International Asset Management Co., Ltd Increased 750 7.3K +6.6K
Bank of New York Mellon Corp Increased 208.3K 214.5K +6.2K
M Holdings Securities, Inc. New 0 6.2K +6.2K
Counterpoint Mutual Funds LLC Increased 6.2K 12.4K +6.2K
Comprehensive Financial Planning, Inc./PA Sold Out 6.0K 0 -6.0K
KG Capital Management Sold Out 5.2K 0 -5.2K
Riverwater Partners LLC Reduced 44.9K 39.7K -5.1K
Assenagon Asset Management S.A. Reduced 9.8K 4.9K -4.9K
Creative Planning Increased 42.1K 46.7K +4.6K
State of Alaska, Department of Revenue Reduced 13.7K 9.1K -4.6K
Clarus Group, Inc. Sold Out 3.8K 0 -3.8K
XPONANCE LLC Sold Out 3.3K 0 -3.3K
BARCLAYS PLC Increased 12.4K 15.7K +3.3K
Maryland State Retirement & Pension System Increased 5.5K 8.4K +3.0K
Ethic Inc. Sold Out 2.9K 0 -2.9K
Inspire Investing, LLC Increased 9.5K 12.4K +2.9K
Bayforest Capital Ltd New 0 2.7K +2.7K
Farther Finance Advisors, LLC Increased 201 2.8K +2.6K
KBC Group NV New 0 2.1K +2.1K
PNC Financial Services Group, Inc. Reduced 5.7K 3.7K -2.0K
State of New Jersey Common Pension Fund D Increased 10.3K 12.2K +1.9K
Kings Path Partners LLC Reduced 19.6K 17.8K -1.8K
Illinois Municipal Retirement Fund Increased 16.4K 18.3K +1.8K
ARIZONA STATE RETIREMENT SYSTEM Increased 8.8K 10.6K +1.8K
KEYBANK NATIONAL ASSOCIATION/OH Increased 5.4K 7.1K +1.7K
Central Pacific Bank - Trust Division Increased 12.7K 14.1K +1.4K
Genesee Capital Advisors, LLC Reduced 17.1K 15.8K -1.3K
Sterling Capital Management LLC Increased 116 1.3K +1.2K
Net Worth Advisory Group Reduced 5.2K 4.0K -1.1K
Dana Investment Advisors, Inc. Increased 36.9K 38.0K +1.1K
SUMMIT SECURITIES GROUP LLC New 0 1.0K +1.0K
Daiwa Securities Group Inc. New 0 500 +500
Louisiana State Employees Retirement System Reduced 16.5K 16.0K -500
ProShare Advisors LLC Increased 4.8K 5.3K +489
GAMMA Investing LLC Increased 2.3K 2.7K +430
AMALGAMATED BANK Reduced 10.0K 9.6K -376
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC Increased 11.9K 12.2K +314
ZWJ INVESTMENT COUNSEL INC Increased 5.8K 6.1K +282
Abel Hall, LLC Reduced 5.0K 4.7K -237
OREGON PUBLIC EMPLOYEES RETIREMENT FUND Reduced 8.6K 8.4K -200
COMPASS FINANCIAL MANAGEMENT LLC New 0 200 +200
STRS OHIO New 0 200 +200
Larson Financial Group LLC Increased 948 1.1K +188

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.