PDFSNasdaqServices-Prepackaged SoftwareFiscal year ends December 31
PDF SOLUTIONS INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$41.22+2.00 (+5.10%)
Close on Oct 19, 2026
- Market cap
- $1.72B
- P/E (TTM)
- 164.9
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
92.2%
39M of 42M shares
Institutional holders
282
98 new, 20 sold out
Net institutional buying
8M
In Q2 2026
Insider trades, 12 months
0 buys · 2 sales
Net sold $227.98K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 4,840,071 | – | 13G (passive) amendment | Dec 31, 2023 |
| Wasatch Advisors LP | 2,646,572 | 6.30% | 13G (passive) | Sep 30, 2026 |
| Kibarian John Kachig | 2,562,474 | 6.50% | 13G (passive) amendment | Dec 31, 2025 |
| John Kachig Kibarian | 2,512,474 | 6.50% | 13G (passive) amendment | Feb 12, 2025 |
| Needham Asset Management, LLC | 2,022,700 | 5.10% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PDFS | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,550,335 | 13.14% | $392.91M | +684,158 | 0.01% |
| Needham Investment Management LLC | 2,065,000 | 4.89% | $146.18M | +42,300 | 4.40% |
| Vanguard Capital Management LLC | 1,664,256 | 3.94% | $117.81M | +276,134 | 0.00% |
| Vanguard Portfolio Management LLC | 1,457,748 | 3.45% | $103.19M | +57,026 | 0.00% |
| State Street Corp | 1,386,498 | 3.28% | $98.15M | +194,090 | 0.00% |
| Wasatch Advisors LP | 1,380,739 | 3.27% | $97.74M | +873,002 | 0.64% |
| Barrow Hanley Mewhinney & Strauss LLC | 1,319,627 | 3.13% | $93.42M | +179,080 | 0.28% |
| Ranger Investment Management, L.P. | 1,149,647 | 2.72% | $81.38M | −129,983 | 5.15% |
| Snyder Capital Management L P | 1,033,997 | 2.45% | $73.20M | −26,481 | 1.26% |
| Jupiter Topco LLC | 927,781 | 2.20% | $65.68M | New | 0.03% |
| JPMorgan Chase & Co | 927,267 | 2.20% | $61.13M | +912,599 | 0.00% |
| Geode Capital Management, LLC | 917,962 | 2.17% | $65.00M | +115,739 | 0.00% |
| Emerald Advisers, LLC | 884,294 | 2.09% | $62.60M | +23,475 | 1.47% |
| Dimensional Fund Advisors LP | 841,186 | 1.99% | $59.54M | −4,507 | 0.01% |
| Jennison Associates LLC | 716,075 | 1.70% | $50.69M | New | 0.03% |
| Atreides Management, LP | 658,536 | 1.56% | $46.62M | New | 0.33% |
| Loomis Sayles & Co L P | 643,268 | 1.52% | $45.54M | −183,841 | 0.06% |
| Ophir Asset Management Pty Ltd | 607,343 | 1.44% | $42.99M | −530,006 | 3.54% |
| Point72 Asset Management, L.P. | 598,902 | 1.42% | $42.40M | New | 0.05% |
| Emerald Mutual Fund Advisers Trust | 566,429 | 1.34% | $40.10M | −28,181 | 1.41% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 282 | 39M | 92.2% | 98 / 94 | 61 / 20 | 11M | 4M |
| Q1 2026 | 208 | 32M | 76.3% | 40 / 71 | 60 / 16 | 7M | 2M |
| Q4 2025 | 188 | 31M | 72.5% | 30 / 71 | 60 / 24 | 3M | 2M |
| Q3 2025 | 183 | 30M | 70.4% | 37 / 67 | 57 / 26 | 3M | 3M |
| Q2 2025 | 172 | 29M | 69.1% | 28 / 77 | 43 / 23 | 3M | 1M |
| Q1 2025 | 168 | 28M | 65.7% | 25 / 66 | 54 / 33 | 2M | 3M |
| Q4 2024 | 178 | 28M | 67.0% | 24 / 62 | 66 / 21 | 1M | 1M |
| Q3 2024 | 176 | 28M | 67.4% | 25 / 62 | 64 / 20 | 7M | 1M |
| Q2 2024 | 173 | 28M | 66.2% | 18 / 69 | 66 / 24 | 1M | 3M |
| Q1 2024 | 180 | 29M | 69.6% | 18 / 56 | 75 / 35 | 2M | 2M |
| Q4 2023 | 198 | 29M | 69.1% | 40 / 84 | 51 / 23 | 6M | 4M |
| Q3 2023 | 183 | 27M | 65.0% | 28 / 76 | 60 / 23 | 3M | 2M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of PDFS | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 2,270,558 | 5.38% | $160.73M | 0.14% | Jun 30, 2026 |
| Needham Aggressive Growth Fund | 1,705,000 | 4.04% | $120.70M | 4.63% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 1,193,069 | 2.83% | $84.46M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 862,900 | 2.04% | $61.08M | 0.07% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 787,323 | 1.86% | $38.44M | 0.02% | May 31, 2026 |
| Janus Henderson Venture Fund | 751,580 | 1.78% | $53.20M | 1.47% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 432,648 | 1.02% | $30.63M | 0.03% | Jun 30, 2026 |
| Oberweis Micro-Cap Fund | 411,800 | 0.98% | $29.15M | 1.81% | Jun 30, 2026 |
| JPMorgan Small Cap Growth Fund | 395,497 | 0.94% | $28.00M | 1.07% | Jun 30, 2026 |
| American Beacon Small Cap Value Fund | 382,421 | 0.91% | $17.63M | 0.47% | Jul 31, 2026 |
| Fidelity Small Cap Index Fund | 361,713 | 0.86% | $16.67M | 0.05% | Jul 31, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 344,499 | 0.82% | $24.39M | 0.14% | Jun 30, 2026 |
| Emerald Growth Fund | 344,226 | 0.82% | $15.87M | 1.07% | Jul 31, 2026 |
| iShares S&P Small-Cap 600 Growth ETF | 338,616 | 0.80% | $23.97M | 0.29% | Jun 30, 2026 |
| Wasatch Core Growth Fund | 332,318 | 0.79% | $23.52M | 0.79% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Kimon Michaels | EVP of Products and Solutions, Director | 2,982,646 | 7.06% | Dec 11, 2025 |
| John Kachig Kibarian | PRESIDENT AND CEO, Director | 2,562,474 | 6.07% | Feb 25, 2025 |
| Andrzej Strojwas | Chief Technology Officer | 90,965 | 0.22% | Sep 1, 2026 |
| Adnan Raza | EVP, Finance and CFO | 96,250 | 0.23% | Jul 2, 2026 |
| Shuo Zhang | Director | 23,380 | 0.06% | Aug 12, 2026 |
| Chi-Foon Chan | Director | 24,168 | 0.06% | Jul 2, 2026 |
| Michael B. Gustafson | Director | 40,192 | 0.10% | Jul 2, 2026 |
| Ye Jane Li | Director | 26,632 | 0.06% | Jul 2, 2026 |
| Joseph R. Bronson | Director | 40,956 | 0.10% | Jul 2, 2026 |
| Nancy Erba | Director | 43,811 | 0.10% | Jul 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Andrzej Strojwas Chief Technology Officer | Aug 31, 2026 | Sale | −3,394 | $44.41 | $150.73K | 90,965 |
| Shuo Zhang Director | Aug 12, 2026 | Sale | −1,501 | $51.47 | $77.26K | 23,380 |
| Ye Jane Li Director | Jul 1, 2026 | Award | +2,689 | – | – | 26,632 |
| Andrzej Strojwas Chief Technology Officer | Jul 1, 2026 | Tax withholding | −1,356 | $66.88 | $90.69K | 88,843 |
| Andrzej Strojwas Chief Technology Officer | Jul 1, 2026 | Award | +5,360 | – | – | 94,203 |
| Adnan Raza EVP, Finance and CFO | Jul 1, 2026 | Tax withholding | −6,010 | $66.88 | $401.95K | 65,000 |
| Adnan Raza EVP, Finance and CFO | Jul 1, 2026 | Award | +23,450 | – | – | 80,697 |
| Chi-Foon Chan Director | Jul 1, 2026 | Award | +2,689 | – | – | 24,168 |
| Shuo Zhang Director | Jul 1, 2026 | Award | +2,689 | – | – | 24,881 |
| Michael B. Gustafson Director | Jul 1, 2026 | Award | +2,689 | – | – | 40,192 |
| Joseph R. Bronson Director | Jul 1, 2026 | Award | +2,689 | – | – | 40,956 |
| Nancy Erba Director | Jul 1, 2026 | Award | +2,689 | – | – | 11,943 |
| Adnan Raza EVP, Finance and CFO | Jan 1, 2026 | Tax withholding | −5,498 | $28.53 | $156.86K | 71,010 |
| Andrzej Strojwas Chief Technology Officer | Jan 1, 2026 | Tax withholding | −2,762 | $28.53 | $78.80K | 89,204 |
| Kimon Michaels EVP of Products and Solutions, Director | Dec 9, 2025 | Gift | −5,070 | – | – | 1,542,072 |
| Andrzej Strojwas Chief Technology Officer | Aug 1, 2025 | Award | +8,000 | – | – | 91,966 |
| Adnan Raza EVP, Finance and CFO | Aug 1, 2025 | Award | +35,000 | – | – | 76,508 |
| Andrzej Strojwas Chief Technology Officer | Jul 1, 2025 | Tax withholding | −2,497 | $21.87 | $54.61K | 83,613 |
| Adnan Raza EVP, Finance and CFO | Jul 1, 2025 | Tax withholding | −4,921 | $21.87 | $107.62K | 63,880 |
| Kimon Michaels EVP of Products and Solutions, Director | Jul 1, 2025 | Tax withholding | −798 | $21.87 | $17.45K | 28,298 |
| Chi-Foon Chan Director | Jul 1, 2025 | Award | +7,429 | – | – | 21,479 |
| Nancy Erba Director | Jul 1, 2025 | Award | +7,429 | – | – | 27,383 |
| Shuo Zhang Director | Jul 1, 2025 | Award | +7,429 | – | – | 22,192 |
| Joseph R. Bronson Director | Jul 1, 2025 | Award | +7,429 | – | – | 38,267 |
| Michael B. Gustafson Director | Jul 1, 2025 | Award | +7,429 | – | – | 37,503 |
| Ye Jane Li Director | Jul 1, 2025 | Award | +7,429 | – | – | 23,943 |
| Michael B. Gustafson Director | May 13, 2025 | Buy | +7,500 | $19.45 | $145.88K | 30,074 |
| John Kachig Kibarian PRESIDENT AND CEO, Director | Feb 25, 2025 | Buy | +15,644 | $22.11 | $345.89K | 2,522,756 |
| John Kachig Kibarian PRESIDENT AND CEO, Director | Feb 24, 2025 | Buy | +34,356 | $22.80 | $783.32K | 2,507,112 |
| Michael B. Gustafson Director | Feb 24, 2025 | Buy | +4,000 | $23.06 | $92.24K | 22,574 |
| Andrzej Strojwas CTO | Jan 1, 2025 | Tax withholding | −2,833 | – | – | 85,631 |
| Kimon Michaels EVP OF PRODUCTS AND SOLUTIONS, Director | Jan 1, 2025 | Tax withholding | −870 | – | – | 33,394 |
| Adnan Raza EVP, FINANCE AND CFO | Jan 1, 2025 | Tax withholding | −5,258 | – | – | 68,013 |
| Andrzej Strojwas CTO | Dec 17, 2024 | Sale | −6,008 | $30.36 | $182.40K | 88,464 |
| Andrzej Strojwas CTO | Dec 17, 2024 | Sale | −245 | $31.17 | $7.64K | 94,472 |
| Andrzej Strojwas CTO | Dec 16, 2024 | Sale | −5,030 | $30.85 | $155.18K | 94,717 |
| Nancy Erba Director | Dec 11, 2024 | Sale | −2,000 | $30.81 | $61.62K | 13,739 |
| Kimon Michaels EVP OF PRODUCTS AND SOLUTIONS, Director | Nov 25, 2024 | Gift | −8,500 | – | – | 1,547,142 |
| Kimon Michaels EVP OF PRODUCTS AND SOLUTIONS, Director | Aug 1, 2024 | Tax withholding | −22 | $33.13 | $729 | 34,264 |
| Andrzej Strojwas CTO | Aug 1, 2024 | Tax withholding | −357 | $33.13 | $11.83K | 99,747 |
| Ye Jane Li Director | Jul 1, 2024 | Award | +4,382 | – | – | 16,514 |
| Nancy Erba Director | Jul 1, 2024 | Award | +4,382 | – | – | 19,954 |
| Chi-Foon Chan Director | Jul 1, 2024 | Award | +4,382 | – | – | 14,050 |
| Shuo Zhang Director | Jul 1, 2024 | Award | +4,382 | – | – | 14,763 |
| Kimon Michaels EVP OF PRODUCTS AND SOLUTIONS, Director | Jul 1, 2024 | Tax withholding | −657 | $35.74 | $23.48K | 34,286 |
| Kimon Michaels EVP OF PRODUCTS AND SOLUTIONS, Director | Jul 1, 2024 | Award | +2,400 | – | – | 34,943 |
| Adnan Raza EVP, FINANCE AND CFO | Jul 1, 2024 | Tax withholding | −4,948 | $35.74 | $176.84K | 73,270 |
| Adnan Raza EVP, FINANCE AND CFO | Jul 1, 2024 | Award | +30,000 | – | – | 78,218 |
| Michael B. Gustafson Director | Jul 1, 2024 | Award | +4,382 | – | – | 18,574 |
| Andrzej Strojwas CTO | Jul 1, 2024 | Tax withholding | −2,680 | $35.74 | $95.78K | 99,600 |
| Andrzej Strojwas CTO | Jul 1, 2024 | Award | +10,000 | – | – | 102,280 |
| Joseph R. Bronson Director | Jul 1, 2024 | Award | +4,382 | – | – | 30,838 |
| Shuo Zhang Director | Jun 3, 2024 | Sale | −5,500 | $34.66 | $190.63K | 10,381 |
| Adnan Raza EVP, FINANCE AND CFO | May 17, 2024 | Sale | −9,647 | $33.95 | $327.52K | 48,218 |
| Adnan Raza EVP, FINANCE AND CFO | May 16, 2024 | Sale | −16,504 | $33.82 | $558.17K | 57,865 |
| Adnan Raza EVP, FINANCE AND CFO | May 15, 2024 | Sale | −1,343 | $34.52 | $46.36K | 74,369 |
| Ye Jane Li Director | Feb 26, 2024 | Sale | −9,653 | $33.27 | $321.16K | 12,132 |
| Ye Jane Li Director | Feb 23, 2024 | Sale | −1,531 | $34.00 | $52.05K | 21,785 |
| Joseph R. Bronson Director | Feb 21, 2024 | Sale | −15,000 | $34.63 | $519.45K | 26,456 |
| Andrzej Strojwas CTO | Feb 1, 2024 | Tax withholding | −357 | $31.69 | $11.31K | 92,280 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Strojwas Andrzej Officer | Aug 31, 2026 | 3,394 | $150.73K | Aug 31, 2026 | Restricted Stock |
| Zhang Shuo Director | Aug 12, 2026 | 1,501 | $77.26K | Aug 12, 2026 | Restricted Stock |
| Andrzej Strojwas Officer | Dec 16, 2024 | 8,687 | $267.99K | Dec 16, 2024 | RESTRICTED STOCK |
| Erba Family Living Trust Nancy Director | Dec 11, 2024 | 2,000 | $61.62K | Dec 11, 2024 | Restricted stock vesting under a registered plan |
| Andrzej Strojwas Officer | Nov 13, 2024 | 6,253 | $209.41K | Nov 13, 2024 | RESTRICTED STOCK |
| Shuo Zhang Director | Jun 3, 2024 | 5,500 | $194.87K | Jun 3, 2024 | RESTRICTED STOCK |
| Adnan Raza Officer | May 17, 2024 | 9,647 | $323.17K | May 17, 2024 | RESTRICTED STOCK |
| Adnan Raza Officer | May 16, 2024 | 6,161 | $203.31K | May 16, 2024 | RESTRICTED STOCK |
| Adnan Raza Officer | May 15, 2024 | 11,686 | $403.17K | May 15, 2024 | RESTRICTED STOCK |
| Andrzej Strojwas Officer | May 14, 2024 | 6,253 | $230.11K | May 14, 2024 | RESTRICTED STOCK |
| Revocable Trust Li Director | Feb 23, 2024 | 11,184 | $385.85K | Feb 23, 2024 | RSU Vesting |
| Joseph R. Bronson Director | Feb 21, 2024 | 15,000 | $509.70K | Feb 21, 2024 | RESTRICTED STOCK |
| Michael B. Gustafson Officer | Dec 12, 2023 | 5,750 | $179.80K | Dec 12, 2023 | RESTRICTED STOCK |
| Erba Ttee Nancy Erba Family Living Trust Nancy Director | Nov 29, 2023 | 1,800 | $55.03K | Nov 29, 2023 | Restricted stock vesting under a registered plan |
| Shuo Zhang Director | Aug 18, 2023 | 3,047 | $102.84K | Aug 18, 2023 | RESTRICTED STOCK |