Photronics Inc (PLAB) shareholders
PLABNasdaqSemiconductors & Related DevicesFiscal year ends October 31
Financials through Q3 FY2026, quarter ended Aug 2, 2026Last filing: 10-Q on Sep 10, 2026Score 16/3053% below fair value
$27.55−0.33 (-1.18%)
Close on Nov 13, 2026Market cap $1.63BP/E 9.7Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
93.4%
55M of 59M shares
Institutional holders
313
60 new, 72 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 50 sales
Net sold $24.17M
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. | 9,549,506 | 15.00% | 13G (passive) amendment | Mar 31, 2025 |
| Dimensional Fund Advisors LP | 3,642,585 | 6.20% | 13G (passive) amendment | Jun 30, 2026 |
| Stowers Institute for Medical Research Joint filing with American Century Investment Management, Inc. (5.70%), American Century Companies, Inc. (5.70%) and 1 more | 3,387,380 | 5.70% | 13G (passive) | Jun 30, 2026 |
| Vanguard Portfolio Management | 3,007,264 | 5.10% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of PLAB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,486,185 | 16.08% | $308.59M | +99,125 | 0.00% |
| Dimensional Fund Advisors LP | 3,642,585 | 6.17% | $118.49M | −320,080 | 0.02% |
| American Century Companies Inc | 3,387,380 | 5.74% | $110.19M | +567,453 | 0.05% |
| Vanguard Portfolio Management LLC | 2,972,130 | 5.04% | $96.68M | +127,393 | 0.00% |
| Vanguard Capital Management LLC | 2,501,565 | 4.24% | $81.38M | −1,526 | 0.00% |
| State Street Corp | 2,339,871 | 3.97% | $76.12M | +100,101 | 0.00% |
| Lsv Asset Management | 2,185,268 | 3.70% | $71.09M | −697,250 | 0.13% |
| Geode Capital Management, LLC | 2,167,677 | 3.67% | $70.52M | +313,074 | 0.00% |
| Invesco Ltd. | 1,840,112 | 3.12% | $59.86M | +412,594 | 0.00% |
| Price T Rowe Associates Inc /Md/ | 1,571,254 | 2.66% | $51.11M | +668,311 | 0.01% |
| Victory Capital Management Inc | 1,462,087 | 2.48% | $47.56M | −476,540 | 0.03% |
| Vaughan Nelson Investment Management, L.P. | 1,071,105 | 1.82% | $34.84M | −114,300 | 0.31% |
| Morgan Stanley | 1,015,694 | 1.72% | $33.04M | −10,342 | 0.00% |
| Charles Schwab Investment Management Inc | 972,738 | 1.65% | $31.64M | −32,161 | 0.00% |
| Northern Trust Corp | 888,983 | 1.51% | $28.92M | +37,649 | 0.00% |
| Boston Partners | 665,700 | 1.13% | $21.23M | −119,539 | 0.02% |
| Needham Investment Management LLC | 585,500 | 0.99% | $19.05M | −19,500 | 0.57% |
| Easterly Investment Partners LLC | 466,274 | 0.79% | $15.17M | +62,576 | 0.77% |
| Aqr Capital Management LLC | 414,691 | 0.70% | $13.49M | −71,663 | 0.00% |
| Vanguard Fiduciary Trust Co | 397,969 | 0.67% | $12.95M | +19,321 | 0.00% |
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 | 313 | 55M | 93.4% | 60 / 103 | 116 / 72 | 6M | 6M |
| Q1 2026 | 331 | 56M | 94.4% | 75 / 107 | 107 / 46 | 12M | 6M |
| Q4 2025 | 308 | 55M | 93.5% | 72 / 83 | 121 / 28 | 6M | 5M |
| Q3 2025 | 265 | 54M | 91.4% | 46 / 75 | 102 / 33 | 5M | 6M |
| Q2 2025 | 254 | 55M | 92.7% | 33 / 94 | 95 / 32 | 5M | 6M |
| Q1 2025 | 254 | 56M | 94.3% | 35 / 96 | 90 / 39 | 4M | 6M |
| Q4 2024 | 261 | 57M | 97.0% | 42 / 98 | 84 / 39 | 5M | 3M |
| Q3 2024 | 261 | 55M | 93.1% | 44 / 99 | 88 / 52 | 13M | 4M |
| Q2 2024 | 272 | 56M | 94.3% | 38 / 113 | 87 / 45 | 4M | 6M |
| Q1 2024 | 280 | 58M | 97.8% | 46 / 85 | 114 / 45 | 5M | 6M |
| Q4 2023 | 282 | 58M | 98.2% | 66 / 87 | 108 / 18 | 7M | 4M |
| Q3 2023 | 235 | 55M | 92.8% | 28 / 87 | 89 / 34 | 6M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
339 funds held PLAB in Q2 2026, 50% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of PLAB | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3,553,331 | 6.02% | $115.59M | 0.10% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 2,723,204 | 4.62% | $88.10M | 0.33% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 1,769,446 | 3.00% | $57.56M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,516,889 | 2.57% | $49.34M | 0.06% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 1,486,256 | 2.52% | $48.08M | 0.03% | May 31, 2026 |
| Invesco Semiconductors ETF | 1,396,776 | 2.37% | $42.31M | 1.78% | Jul 31, 2026 |
| Victory Sycamore Small Company Opportunity Fund | 1,025,000 | 1.74% | $33.34M | 0.71% | Jun 30, 2026 |
| T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund | 750,283 | 1.27% | $24.41M | 0.25% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 675,779 | 1.15% | $21.98M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 636,779 | 1.08% | $19.29M | 0.06% | Jul 31, 2026 |
| U.S. Small Cap Value Portfolio | 606,860 | 1.03% | $18.38M | 0.09% | Jul 31, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 542,049 | 0.92% | $17.63M | 0.10% | Jun 30, 2026 |
| U.S. Targeted Value Portfolio | 515,728 | 0.87% | $15.62M | 0.09% | Jul 31, 2026 |
| iShares S&P Small-Cap 600 Value ETF | 507,697 | 0.86% | $16.52M | 0.21% | Jun 30, 2026 |
| Dimensional U.S. Targeted Value ETF | 417,521 | 0.71% | $12.65M | 0.09% | Jul 31, 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 |
|---|---|---|---|---|
| Todd Anthony Alesio | SVP, CAO | 18,646 | 0.03% | Nov 13, 2026 |
| Rui Zhang | VP, CAO & Corporate Controller | 27,424 | 0.05% | Nov 13, 2026 |
| Eric Rivera | President, CFO | 133,276 | 0.23% | Oct 2, 2026 |
| Han Kyung Park | SVP & GM of FPD Ops | 66,000 | 0.11% | Sep 29, 2026 |
| Hsueh-Chun Wang | SVP/COO IC & US/EU Mnstrm Ops | 113,560 | 0.19% | Apr 16, 2026 |
| George Macricostas | CEO | 448,762 | 0.76% | Apr 10, 2026 |
| Christopher J. Progler | EVP, Chief Technology Officer | 165,591 | 0.28% | Dec 16, 2025 |
| Kang Jyh Lee | Director | 337,350 | 0.57% | Oct 1, 2026 |
| Mary Paladino | Director | 1,272 | 0.00% | Apr 21, 2026 |
| Michelle Almeida | Director | 4,956 | 0.01% | Apr 15, 2026 |
| Mitchell G. Tyson | Director | 36,921 | 0.06% | Apr 15, 2026 |
| David A. Garcia | Director | 15,192 | 0.03% | Apr 15, 2026 |
| Adam M. Lewis | Director | 34,792 | 0.06% | Apr 15, 2026 |
| Constantine S. Macricostas | Director | 427,617 | 0.72% | Apr 15, 2026 |
| Daniel JL Liao | Director | 72,504 | 0.12% | Apr 15, 2026 |
| Walter M. Fiederowicz | – | 5,000 | 0.01% | Apr 17, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Rui Zhang VP, CAO & Corporate Controller | Nov 10, 2026 | Award | +737 | $20.35 | $15.00K | 27,424 |
| Todd Anthony Alesio SVP, CAO | Nov 10, 2026 | Award | +700 | $20.35 | $14.25K | 18,646 |
| Eric Rivera President, CFO | Oct 1, 2026 | Tax withholding | −2,897 | $30.83 | $89.31K | 133,276 |
| Rui Zhang VP, CAO & Corporate Controller | Oct 1, 2026 | Tax withholding | −392 | $30.83 | $12.09K | 26,687 |
| Kang Jyh Lee Director | Sep 29, 2026 | Sale | −10,000 | $30.75 | $307.50K | 337,350 |
| Han Kyung Park SVP & GM of FPD Ops | Sep 25, 2026 | Sale | −9,500 | $30.37 | $288.52K | 66,000 |
| Kang Jyh Lee Director | Sep 24, 2026 | Sale | −7,500 | $29.50 | $221.25K | 347,350 |
| Kang Jyh Lee Director | Sep 22, 2026 | Sale | −10,000 | $29.70 | $297.00K | 354,850 |
| Rui Zhang VP, CAO & Corporate Controller | Apr 17, 2026 | Sale | −4,556 | $46.70 | $212.77K | 27,079 |
| Mary Paladino Director | Apr 17, 2026 | Returned to company | −22,548 | $47.77 | $1.08M | 1,272 |
| Kang Jyh Lee Director | Apr 16, 2026 | Sale | −10,000 | $46.05 | $460.50K | 365,850 |
| Kang Jyh Lee Director | Apr 16, 2026 | Sale | −10,000 | $45.80 | $458.00K | 355,850 |
| Kang Jyh Lee Director | Apr 15, 2026 | Sale | −10,000 | $45.10 | $451.00K | 375,850 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 14, 2026 | Sale | −19,250 | $45.30 | $872.03K | 113,560 |
| Constantine S. Macricostas Director | Apr 14, 2026 | Sale | −50,000 | $45.35 | $2.27M | 0 |
| Eric Rivera President, CFO | Apr 13, 2026 | Sale | −1,000 | $44.77 | $44.77K | 136,173 |
| Eric Rivera President, CFO | Apr 13, 2026 | Option exercise | +1,000 | $9.78 | $9.78K | 137,173 |
| Adam M. Lewis Director | Apr 13, 2026 | Award | +3,722 | – | – | 34,792 |
| Kang Jyh Lee Director | Apr 13, 2026 | Option exercise | +5,000 | $8.60 | $43.00K | 390,850 |
| Kang Jyh Lee Director | Apr 13, 2026 | Sale | −5,000 | $45.00 | $225.00K | 385,850 |
| Mitchell G. Tyson Director | Apr 13, 2026 | Award | +3,722 | – | – | 36,921 |
| Constantine S. Macricostas Director | Apr 13, 2026 | Award | +3,722 | – | – | 414,617 |
| David A. Garcia Director | Apr 13, 2026 | Award | +3,722 | – | – | 15,192 |
| Daniel JL Liao Director | Apr 13, 2026 | Award | +3,722 | – | – | 72,504 |
| Michelle Almeida Director | Apr 13, 2026 | Award | +3,722 | – | – | 4,956 |
| Eric Rivera President, CFO | Apr 9, 2026 | Sale | −882 | $44.00 | $38.81K | 176,808 |
| Eric Rivera President, CFO | Apr 9, 2026 | Sale | −40,635 | $44.00 | $1.79M | 136,173 |
| Kang Jyh Lee Director | Apr 9, 2026 | Option exercise | +5,000 | $8.60 | $43.00K | 390,850 |
| Kang Jyh Lee Director | Apr 9, 2026 | Sale | −5,000 | $44.00 | $220.00K | 385,850 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 9, 2026 | Sale | −11,875 | $44.25 | $525.47K | 132,810 |
| Rui Zhang VP, CAO & Corporate Controller | Apr 8, 2026 | Sale | −1,752 | $43.50 | $76.21K | 31,635 |
| Kang Jyh Lee Director | Apr 8, 2026 | Option exercise | +5,000 | $8.60 | $43.00K | 390,850 |
| Kang Jyh Lee Director | Apr 8, 2026 | Sale | −5,000 | $43.27 | $216.35K | 385,850 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 8, 2026 | Sale | −10,000 | $42.69 | $426.90K | 144,685 |
| George Macricostas CEO | Apr 8, 2026 | Sale | −6,500 | $43.27 | $281.26K | 448,762 |
| George Macricostas CEO | Apr 8, 2026 | Sale | −109,194 | $42.90 | $4.68M | 334,068 |
| George Macricostas CEO | Apr 8, 2026 | Sale | −5,500 | $43.28 | $238.04K | 443,262 |
| Kang Jyh Lee Director | Apr 6, 2026 | Sale | −5,000 | $40.53 | $202.65K | 385,850 |
| Kang Jyh Lee Director | Apr 6, 2026 | Option exercise | +5,000 | $8.60 | $43.00K | 390,850 |
| Constantine S. Macricostas Director | Apr 2, 2026 | Gift | −37,000 | – | – | 410,895 |
| Constantine S. Macricostas Director | Apr 1, 2026 | Gift | −13,000 | – | – | 447,895 |
| Kang Jyh Lee Director | Apr 1, 2026 | Sale | −5,000 | $42.00 | $210.00K | 385,850 |
| Kang Jyh Lee Director | Apr 1, 2026 | Option exercise | +5,000 | $10.75 | $53.75K | 390,850 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 1, 2026 | Sale | −4,100 | $42.14 | $172.77K | 156,399 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 1, 2026 | Sale | −1,714 | $42.15 | $72.25K | 154,685 |
| Hsueh-Chun Wang SVP/COO IC & US/EU Mnstrm Ops | Apr 1, 2026 | Sale | −4,186 | $42.00 | $175.81K | 160,499 |
| Mitchell G. Tyson Director | Apr 1, 2026 | Sale | −10,000 | $42.31 | $423.10K | 33,199 |
| Kang Jyh Lee Director | Mar 26, 2026 | Option exercise | +5,000 | $10.75 | $53.75K | 390,850 |
| Kang Jyh Lee Director | Mar 26, 2026 | Sale | −5,000 | $40.80 | $204.00K | 385,850 |
| Kang Jyh Lee Director | Mar 23, 2026 | Sale | −10,000 | $39.00 | $390.00K | 385,850 |
| Kang Jyh Lee Director | Mar 19, 2026 | Sale | −10,000 | $35.80 | $358.00K | 400,850 |
| Eric Rivera President, CFO | Feb 9, 2026 | Award | +22,641 | – | – | 177,690 |
| Rui Zhang VP, CAO & Corporate Controller | Feb 9, 2026 | Award | +1,467 | – | – | 33,387 |
| Todd Anthony Alesio SVP, CAO | Feb 9, 2026 | Award | +983 | – | – | 17,946 |
| Michelle Almeida Director | Jan 20, 2026 | Award | +1,234 | – | – | 1,234 |
| Daniel JL Liao Director | Jan 20, 2026 | Award | +1,234 | – | – | 68,782 |
| Han Kyung Park SVP & GM of FPD Ops | Jan 16, 2026 | Sale | −6,250 | $34.89 | $218.06K | 75,500 |
| Kang Jyh Lee Director | Jan 16, 2026 | Sale | −10,000 | $34.51 | $345.10K | 410,850 |
| Kang Jyh Lee Director | Jan 15, 2026 | Sale | −10,000 | $34.13 | $341.30K | 415,850 |
| Han Kyung Park SVP & GM of FPD Ops | Jan 13, 2026 | Sale | −7,500 | $33.70 | $252.75K | 81,750 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
7.09%
4M shares short
Days to cover
5.9
At 1M shares a day
Change since last report
+0.9%
From 4M shares
Short volume, 20 days
56.8%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Photronics's stock actually held short. Settlement fails (shares not delivered on time) peaked at 1,352,327 shares on Sep 2, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Kang Jyh Lee Officer, Director | Sep 29, 2026 | 10,000 | $307.58K | Sep 29, 2026 | Stock Option Exercise |
| Han Kyung Park Officer | Sep 25, 2026 | 9,500 | $288.52K | Sep 25, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Sep 24, 2026 | 7,500 | $221.25K | Sep 24, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Sep 22, 2026 | 10,000 | $297.00K | Sep 22, 2026 | Restricted Stock Vesting |
| Rui Zhang Officer | Apr 17, 2026 | 4,556 | $212.77K | Apr 17, 2026 | Restricted Stock Vesting |
| Mary Paladino Director | Apr 17, 2026 | 22,548 | $1.08M | Apr 17, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Apr 16, 2026 | 10,000 | $460.51K | Apr 16, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Apr 16, 2026 | 10,000 | $458.00K | Apr 16, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Apr 15, 2026 | 10,000 | $451.00K | Apr 15, 2026 | Restricted Stock Vesting |
| Macrcostas Family Foudation, Inc. Director | Apr 14, 2026 | 50,000 | $2.29M | Apr 14, 2026 | Board Compensation |
| Hsueh-Chun Wang Officer | Apr 14, 2026 | 19,250 | $872.11K | Apr 14, 2026 | Restricted Stock Vesting |
| Kang Jyh Lee Officer, Director | Apr 13, 2026 | 5,000 | $225.00K | Apr 13, 2026 | Option Granted - 01/02/2018 |
| Eric Rivera Officer | Apr 13, 2026 | 1,000 | $44.77K | Apr 13, 2026 | Option Granted - 01/02/2019 |
| Hsueh-Chun Wang Officer | Apr 9, 2026 | 11,875 | $525.48K | Apr 9, 2026 | Restricted Stock Vesting |
| Eric Rivera Officer | Apr 9, 2026 | 41,517 | $1.83M | Apr 9, 2026 | ESPP Purchase |
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