PDF SOLUTIONS INC PDFS
COM · Common Stock · CUSIP 693282105 · ISIN US6932821050
Company based in San Jose, California
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 38.7m as of 2024-08-02, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $36.38. Options: 2 managers hold calls ($58.2k notional), 2 hold puts ($3.6k).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 136 |
| Q4 2022 | 151 |
| Q1 2023 | 179 |
| Q2 2023 | 181 |
| Q3 2023 | 185 |
| Q4 2023 | 199 |
| Q1 2024 | 181 |
| Q2 2024 | 174 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 71 | 60 |
| Q1 2023 | 93 | 68 |
| Q2 2023 | 97 | 86 |
| Q3 2023 | 105 | 83 |
| Q4 2023 | 116 | 75 |
| Q1 2024 | 73 | 110 |
| Q2 2024 | 84 | 90 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $141.6k | $84.2k | 0.59 |
| Q4 2023 | $45.0k | $48.2k | 1.07 |
| Q1 2024 | $973.1k | $131.3k | 0.13 |
| Q2 2024 | $58.2k | $3.6k | 0.06 |
Biggest buyers
| Ranger Investment Management, L.P. | Added | +232.3k |
| NEEDHAM INVESTMENT MANAGEMENT LLC | Added | +210.0k |
| Ophir Asset Management Pty Ltd | Added | +113.1k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Added | +90.8k |
| HERALD INVESTMENT MANAGEMENT Ltd | New | +75.0k |
| Samjo Management, LLC | Added | +66.0k |
| SEGALL BRYANT & HAMILL, LLC | Added | +56.8k |
| Divisar Capital Management LLC | Added | +49.8k |
| BANK OF MONTREAL /CAN/ | New | +41.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +40.7k |
Biggest sellers
| MORGAN STANLEY | Reduced | -1.5m |
| READYSTATE ASSET MANAGEMENT LP | Sold out | -148.6k |
| SNYDER CAPITAL MANAGEMENT L P | Reduced | -82.7k |
| Qube Research & Technologies Ltd | Reduced | -71.5k |
| Allspring Global Investments Holdings, LLC | Sold out | -66.1k |
| AMI ASSET MANAGEMENT CORP | Reduced | -60.9k |
| WASATCH ADVISORS LP | Reduced | -53.6k |
| GOLDMAN SACHS GROUP INC | Reduced | -49.7k |
| BlackRock Inc. | Reduced | -45.8k |
| Nishkama Capital, LLC | Sold out | -44.4k |
Biggest calls
| CITADEL ADVISORS LLC | Reduced | $58.2k1.6k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Unchanged | $3.6k100 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| KIBARIAN JOHN KACHIG 13G · exempt (held before listing) no change · filed 2026-02-17 | 6.5% |
| WASATCH ADVISORS LP 13G · institution new · filed 2026-10-09 | 6.3% |
| NEEDHAM INVESTMENT MANAGEMENT LLC 13G · institution +0.2 pts · filed 2026-05-14 | 5.1% |
Fell to 5% or below in the last year: ADVANTEST CORP (0.0%, 2026-05-27), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 4 | $1.2m | — |
| Q1 2023 | 0 | — | 4 | $1.6m | — |
| Q2 2023 | 0 | — | 0 | — | — |
| Q3 2023 | 0 | — | 1 | $102.8k | — |
| Q4 2023 | 0 | — | 2 | $232.8k | — |
| Q1 2024 | 0 | — | 2 | $892.7k | — |
| Q2 2024 | 0 | — | 2 | $1.1m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-06-03 | Zhang Shuo Director | Sold | $190.6k5.5k shares |
| 2024-05-17 | Raza Adnan EVP, FINANCE AND CFO | Sold | $327.5k9.6k shares |
| 2024-05-16 | Raza Adnan EVP, FINANCE AND CFO | Sold | $558.2k16.5k shares |
| 2024-05-15 | Raza Adnan EVP, FINANCE AND CFO | Sold | $46.4k1.3k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 4.8m $174.9m | Reduced -45.8k |
| VANGUARD GROUP INC 0.00% of their portfolio | 3.2m $115.8m | Added +14.4k |
| NEEDHAM INVESTMENT MANAGEMENT LLC 3.98% of their portfolio | 1.3m $48.4m | Added +210.0k |
| WASATCH ADVISORS LP 0.25% of their portfolio | 1.3m $46.4m | Reduced -53.6k |
| STATE STREET CORP 0.00% of their portfolio | 1.1m $40.9m | Reduced -12.9k |
| Samjo Management, LLC 13.18% of their portfolio | 972.8k $35.4m | Added +66.0k |
| Ranger Investment Management, L.P. 2.36% of their portfolio | 952.9k $34.7m | Added +232.3k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 917.6k $33.4m | Added +16.9k |
| EMERALD ADVISERS, LLC 1.34% of their portfolio | 875.6k $31.9m | Reduced -37.7k |
| SNYDER CAPITAL MANAGEMENT L P 0.70% of their portfolio | 863.4k $31.4m | Reduced -82.7k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.07% of their portfolio | 743.6k $27.1m | Added +90.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 731.1k $26.6m | Added +40.0k |
| EMERALD MUTUAL FUND ADVISERS TRUST 1.36% of their portfolio | 715.9k $26.0m | Unchanged |
| Ophir Asset Management Pty Ltd 4.35% of their portfolio | 674.9k $24.6m | Added +113.1k |
| Divisar Capital Management LLC 4.11% of their portfolio | 595.6k $21.7m | Added +49.8k |
| JANUS HENDERSON GROUP PLC 0.01% of their portfolio | 564.4k $20.5m | Added +2.1k |
| MORGAN STANLEY 0.00% of their portfolio | 467.5k $17.0m | Reduced -1.5m |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 420.4k $15.3m | Reduced -14.8k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 380.3k $13.8m | Reduced -9.1k |
| Thrivent Financial for Lutherans 0.03% of their portfolio | 362.0k $13.2m | Reduced -11.7k |
| Silverberg Bernstein Capital Management LLC 10.65% of their portfolio | 302.0k $11.0m | Reduced -574 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.07% of their portfolio | 295.4k $10.7m | Added +3.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 264.5k $9.6m | Added +4.9k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 241.7k $8.8m | Added +5.6k |
| Assenagon Asset Management S.A. 0.02% of their portfolio | 231.9k $8.4m | Added +20.9k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 221.5k $8.1m | Reduced -7.0k |
| ROYCE & ASSOCIATES LP 0.07% of their portfolio | 210.4k $7.7m | Reduced -3.0k |
| Granahan Investment Management, LLC 0.29% of their portfolio | 196.9k $7.2m | Added +21.4k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 187.5k $6.8m | Reduced -49.7k |
| SEGALL BRYANT & HAMILL, LLC 0.11% of their portfolio | 178.1k $6.5m | Added +56.8k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 152.7k $5.6m | Reduced -6.8k |
| FMR LLC 0.00% of their portfolio | 116.8k $4.2m | Added +7.4k |
| WESTERLY CAPITAL MANAGEMENT, LLC 2.27% of their portfolio | 115.0k $4.2m | Added +12.0k |
| Connor, Clark & Lunn Investment Management Ltd. 0.02% of their portfolio | 111.6k $4.1m | Reduced -10.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 104.4k $3.8m | Reduced -38.9k |
| Invesco Ltd. 0.00% of their portfolio | 102.3k $3.7m | Reduced -26.7k |
| Roubaix Capital, LLC 2.34% of their portfolio | 102.0k $3.7m | Added +3.9k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 99.2k $3.6m | Reduced -4.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 96.9k $3.5m | Reduced -1.3k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 85.7k $3.1m | Reduced -678 |
| Legal & General Group Plc 0.00% of their portfolio | 84.9k $3.1m | Reduced -2.1k |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 80.5k $2.9m | Reduced -37.0k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 80.0k $2.9m | Added +33.3k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 79.9k $2.9m | Reduced -23.2k |
| HERALD INVESTMENT MANAGEMENT Ltd 0.45% of their portfolio | 75.0k $2.7m | New |
| PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio | 74.9k $2.7m | Reduced -1.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 74.8k $2.7m | Added +40.7k |
| Public Sector Pension Investment Board 0.02% of their portfolio | 67.6k $2.5m | Added +4.1k |
| NEXT CENTURY GROWTH INVESTORS LLC 0.20% of their portfolio | 65.7k $2.4m | Reduced -59 |
| Swiss National Bank 0.00% of their portfolio | 60.8k $2.2m | Added +700 |
| Millrace Asset Group, Inc. 2.09% of their portfolio | 59.3k $2.2m | Added +11.7k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 58.3k $2.1m | Added +16.4k |
| Dana Investment Advisors, Inc. 0.07% of their portfolio | 54.7k $2.0m | Added +491 |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 53.6k $2.0m | Reduced -4.6k |
| ALGERT GLOBAL LLC 0.06% of their portfolio | 49.9k $1.8m | Added +3.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 47.6k $1.7m | Reduced -6.8k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 47.3k $1.7m | Added +25 |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 45.1k $1.6m | Added +7.6k |
| M&T Bank Corp 0.01% of their portfolio | 44.8k $1.6m | Reduced -11 |
| AMI ASSET MANAGEMENT CORP 0.09% of their portfolio | 43.6k $1.6m | Reduced -60.9k |
| Man Group plc 0.00% of their portfolio | 41.6k $1.5m | Added +17.4k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 41.4k $1.5m | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 40.2k $1.5m | Reduced -16.0k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 36.8k $1.3m | Added +367 |
| CenterBook Partners LP 0.08% of their portfolio | 35.8k $1.3m | Added +8.8k |
| Kings Path Partners LLC 0.61% of their portfolio | 35.6k $1.3m | First filing |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 35.0k $1.3m | Reduced -15.9k |
| CITIGROUP INC 0.00% of their portfolio | 34.4k $1.3m | Added +13.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 34.4k $1.3m | Added +64 |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 33.0k $1.2m | Reduced -1.7k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 32.2k $1.2m | Added +26.1k |
| Williams Jones Wealth Management, LLC. 0.01% of their portfolio | 32.0k $1.2m | Unchanged |
| Engineers Gate Manager LP 0.03% of their portfolio | 31.9k $1.2m | Reduced -2.8k |
| GSA CAPITAL PARTNERS LLP 0.08% of their portfolio | 31.5k $1.1m | Added +16.2k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 31.2k $1.1m | Reduced -7.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 30.1k $1.1m | Reduced -509 |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 29.9k $1.1m | Added +2.8k |
| State of Tennessee, Department of Treasury 0.00% of their portfolio | 28.7k $1.0m | Reduced -3.7k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 28.6k $1.0m | Reduced -71.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 28.3k $1.0m | Added +13.3k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 24.9k $905.1k | New |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 24.8k $901.2k | Added +268 |
| Squarepoint Ops LLC 0.00% of their portfolio | 24.5k $890.2k | Reduced -10.4k |
| Campbell & CO Investment Adviser LLC 0.07% of their portfolio | 22.0k $800.4k | Added +8.2k |
| UBS Group AG 0.00% of their portfolio | 20.6k $748.3k | Reduced -9.5k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.02% of their portfolio | 19.3k $703.5k | Added +150 |
| Sequoia Financial Advisors, LLC 0.01% of their portfolio | 18.9k $688.7k | New |
| State of Alaska, Department of Revenue 0.01% of their portfolio | 18.0k $656.0k | Reduced -608 |
| Corebridge Financial, Inc. 0.00% of their portfolio | 18.0k $656.1k | First filing |
| Verition Fund Management LLC 0.01% of their portfolio | 17.8k $648.4k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 17.8k $648.3k | Added +1.6k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 17.7k $642.7k | Reduced -36 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 16.4k $597.8k | Added +707 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 16.3k $591.9k | First filing |
| Louisiana State Employees Retirement System 0.01% of their portfolio | 15.5k $563.9k | Added +300 |
| Pathstone Holdings, LLC 0.00% of their portfolio | 15.2k $554.8k | Added +4.0k |
| PITCAIRN CO 0.03% of their portfolio | 15.1k $549.1k | Added +1.3k |
| ZACKS INVESTMENT MANAGEMENT 0.01% of their portfolio | 14.1k $512.6k | Unchanged |
| Nebula Research & Development LLC 0.07% of their portfolio | 12.5k $455.2k | Reduced -2.9k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 12.5k $453.3k | Reduced -1 |