Photronics, Inc. (PLAB) Ownership
PLAB ownership summary
as of October 18, 2026- Institutions
- 96.8% of shares outstanding
- Insiders
- 3.17% of shares outstanding
- Shares outstanding
- 59.0M
- Float
- 57.6M shares available to trade
- Short interest
- 9.89% 4.1M shares short
- Days to cover
- 4.06 short interest down 5.1% vs prior month
- Institutions 96.81%
- Insiders 3.17%
- Other investors 0.02%
PLAB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 16.08% | 9.5M | $261.1M | +99,125 (+1.1%) | June 30, 2026 |
| 2 | Dimensional Fund Advisors, Inc. | 6.17% | 3.6M | $100.2M | −320,080 (−8.1%) | June 30, 2026 |
| 3 | American Century Companies Inc | 5.74% | 3.4M | $93.2M | +567,453 (+20.1%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 5.04% | 3.0M | $81.8M | +127,393 (+4.5%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.24% | 2.5M | $68.8M | −1,526 (−0.1%) | June 30, 2026 |
| 6 | State Street Corp | 3.97% | 2.3M | $64.4M | +100,101 (+4.5%) | June 30, 2026 |
| 7 | LSV Asset Management | 3.70% | 2.2M | $60.1M | −697,250 (−24.2%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 3.67% | 2.2M | $59.7M | +313,074 (+16.9%) | June 30, 2026 |
| 9 | Amvescap Plc. | 3.12% | 1.8M | $50.6M | +412,594 (+28.9%) | June 30, 2026 |
| 10 | T. Rowe Price Associates, Inc. | 2.66% | 1.6M | $43.2M | +668,311 (+74.0%) | June 30, 2026 |
| 11 | Victory Capital Management Inc. | 2.48% | 1.5M | $40.2M | −476,540 (−24.6%) | June 30, 2026 |
| 12 | Vaughan Nelson Scarbrgh & Mccullough LP | 1.82% | 1.1M | $29.5M | −114,300 (−9.6%) | June 30, 2026 |
| 13 | Morgan Stanley - Brokerage Accounts | 1.72% | 1.0M | $28.0M | −10,342 (−1.0%) | June 30, 2026 |
| 14 | Charles Schwab Investment Management Inc | 1.65% | 973K | $26.8M | −32,161 (−3.2%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.51% | 889K | $24.5M | +37,649 (+4.4%) | June 30, 2026 |
| 16 | HHG PLC | 1.40% | 823K | $22.7M | +202,040 (+32.5%) | March 31, 2026 |
| 17 | Boston Partners Global Investors, Inc | 1.13% | 666K | $18.3M | −119,539 (−15.2%) | June 30, 2026 |
| 18 | Needham Investment Management, LLC | 0.99% | 586K | $16.1M | −19,500 (−3.2%) | June 30, 2026 |
| 19 | Easterly Investment Partners. | 0.79% | 466K | $12.8M | +466,274 (0.0%) | June 30, 2026 |
| 20 | AQR Capital Management LLC | 0.70% | 415K | $11.4M | −71,663 (−14.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 3.0M shares and 10 cut 1.9M.
PLAB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 3.5M | $96.6M | +879 (+0.0%) | September 30, 2026 |
| 2 | Avantis US Small Cap Value ETF | 4.72% | 2.8M | $76.7M | +5,040 (+0.2%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.00% | 1.8M | $48.7M | — | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.56% | 1.5M | $41.6M | −17,408 (−1.1%) | September 30, 2026 |
| 5 | Invesco Semiconductors ETF | 2.51% | 1.5M | $40.8M | +14,634 (+1.0%) | September 1, 2026 |
| 6 | Vanguard Information Technology ETF | 2.49% | 1.5M | $40.5M | +3,392 (+0.2%) | September 30, 2026 |
| 7 | Victory Sycamore Small Company Opp R | 1.74% | 1.0M | $28.2M | −295,000 (−22.3%) | June 30, 2026 |
| 8 | DFA US Small Cap Value I | 1.30% | 770K | $21.2M | +129,874 (+20.3%) | August 31, 2026 |
| 9 | T. Rowe Price Integrated US Sm Gr Eq | 1.11% | 658K | $18.1M | −63,300 (−8.8%) | September 30, 2026 |
| 10 | Fidelity Small Cap Index | 1.08% | 637K | $17.5M | +5,060 (+0.8%) | July 31, 2026 |
| 11 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 534K | $14.7M | — | September 30, 2026 |
| 12 | DFA US Targeted Value I | 0.87% | 516K | $14.2M | — | August 31, 2026 |
| 13 | iShares S&P Small-Cap 600 Value ETF | 0.84% | 499K | $13.7M | — | September 30, 2026 |
| 14 | Dimensional US Targeted Value ETF | 0.71% | 417K | $11.5M | — | September 30, 2026 |
| 15 | Vanguard Tax-Managed Small Cap Adm | 0.63% | 374K | $10.3M | — | September 30, 2026 |
| 16 | iShares Russell 2000 Value ETF | 0.60% | 352K | $9.7M | +534 (+0.2%) | September 30, 2026 |
| 17 | Dimensional US Small Cap Value ETF | 0.58% | 344K | $9.5M | +168 (+0.0%) | September 24, 2026 |
| 18 | Vanguard Russell 2000 ETF | 0.57% | 338K | $9.3M | +3,955 (+1.2%) | September 30, 2026 |
| 19 | Schwab US Small-Cap ETF™ | 0.53% | 311K | $8.6M | +207 (+0.1%) | September 30, 2026 |
| 20 | State Street® SPDR® S&P 600™ Sm CpValETF | 0.52% | 310K | $8.5M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PLAB insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-17 | Rui Zhang | Sell | $46.70 | 4,556 | $212,765 |
| 2026-04-16 | Kang Jyh Lee | Sell | $45.92 | 20,000 | $918,400 |
| 2026-04-15 | Kang Jyh Lee | Sell | $45.10 | 10,000 | $451,000 |
| 2026-04-14 | Constantine S Macricostas | Sell | $45.35 | 50,000 | $2.3M |
| 2026-04-14 | Hsueh-Chun Wang | Sell | $45.30 | 19,250 | $872,025 |
| 2026-04-13 | Eric Rivera | Sell | $44.77 | 1,000 | $44,770 |
| 2026-04-13 | Kang Jyh Lee | Sell | $45.00 | 5,000 | $225,000 |
| 2026-04-09 | Eric Rivera | Sell | $44.00 | 41,517 | $1.8M |
| 2026-04-09 | Hsueh-Chun Wang | Sell | $44.25 | 11,875 | $525,469 |
| 2026-04-08 | Kang Jyh Lee | Sell | $43.27 | 5,000 | $216,350 |
| 2026-04-08 | Hsueh-Chun Wang | Sell | $42.69 | 10,000 | $426,900 |
| 2026-04-08 | George Macricostas | Sell | $42.94 | 121,194 | $5.2M |
| 2026-04-08 | Rui Zhang | Sell | $43.50 | 1,752 | $76,212 |
| 2026-04-06 | Kang Jyh Lee | Sell | $40.53 | 5,000 | $202,650 |
| 2026-04-01 | Hsueh-Chun Wang | Sell | $42.08 | 10,000 | $420,800 |
| 2026-04-01 | Mitchell G Tyson | Sell | $42.31 | 10,000 | $423,100 |
| 2026-03-23 | Kang Jyh Lee | Sell | $39.00 | 10,000 | $390,000 |
| 2026-03-19 | Kang Jyh Lee | Sell | $35.80 | 10,000 | $358,000 |
| 2026-01-16 | Han Kyung Park | Sell | $34.89 | 6,250 | $218,062 |
| 2026-01-15 | Kang Jyh Lee | Sell | $34.13 | 10,000 | $341,300 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PLAB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PLAB
Institutional investors own 96.8% of Photronics's shares and insiders 3.17%. The largest holder is BlackRock Inc with 16.08% of the shares (9.5M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 9.89% of the float, or 4.06 days of average trading volume. The share count fell 9.5% since 2014.
Related: PLAB analyst forecast, PLAB key metrics. See the PLAB stock overview for the latest quote and news.
PLAB ownership FAQ
Who owns the most Photronics stock?
The largest shareholders of Photronics are BlackRock Inc (16.08%), Dimensional Fund Advisors, Inc. (6.17%), American Century Companies Inc (5.74%), Vanguard Portfolio Management, LLC (5.04%), Vanguard Capital Management, LLC (4.24%).
What percentage of Photronics is owned by institutions?
Institutions hold 96.8% of Photronics's shares outstanding; insiders hold 3.17%.
Which funds own Photronics?
The largest fund holders of Photronics are iShares Core S&P Small-Cap ETF (5.95%), Avantis US Small Cap Value ETF (4.72%), Vanguard MStar Total Stk Mkt Idx Invest (3.00%), iShares Russell 2000 ETF (2.56%), Invesco Semiconductors ETF (2.51%).
What is Photronics's short interest?
4.1M shares of Photronics were sold short, 9.89% of the float; at the average daily volume it would take 4.06 days to cover.
Are insiders buying or selling Photronics?
Of the latest 20 reported insider transactions in Photronics (since January 15, 2026), 0 were purchases and 20 were sales.
How many shares of Photronics are outstanding?
Photronics has 59.0M shares outstanding, of which 57.6M are in the public float.