| $164M | ||
| $143M | ||
| $143M | ||
| $76M | ||
| $60M | ||
| $35M |
Buys | $0 | 0 | 0 |
Sells | $54,606,869 | 42 | 100 |
| Desmond Jeanmarie F. | director | 0 | $0 | 1 | $103,686 | $-103,686 |
| Agnes Tang | director | 0 | $0 | 1 | $144,363 | $-144,363 |
| Meurice Eric | director | 0 | $0 | 2 | $203,676 | $-203,676 |
| Ness Trevor | SVP, Sales & Strategic Bus Dev | 0 | $0 | 4 | $550,874 | $-550,874 |
| Lopresti Angelo P | SVP, Secretary & Gen Counsel | 0 | $0 | 4 | $697,815 | $-697,815 |
| SCHERBAKOV EUGENE A | 0 | $0 | 4 | $863,793 | $-863,793 | |
| IP FIBRE DEVICES LTD | 10 percent owner | 0 | $0 | 10 | $20.48M | $-20.48M |
| Valentin Gapontsev Trust I | 10 percent owner | 0 | $0 | 14 | $31M | $-31M |
IPG Photonics Corporation develops, manufactures, and sells various high-performance fiber lasers, fiber amplifiers, and diode lasers used in various applications primarily in materials processing worldwide. The company's laser products include hybrid fiber-solid state lasers with green and ultraviolet wavelengths; fiber pigtailed packaged diodes and fiber coupled direct diode laser systems; high-energy pulsed lasers, multi-wavelength and tunable lasers, and single-polarization and single-frequency lasers; and high-power optical fiber delivery cables, fiber couplers, beam switches, chillers, scanners, and other accessories. It also provides erbium-doped fiber and Raman amplifiers, and integrated communications systems, which are deployed in broadband networks; and ytterbium and thulium specialty fiber amplifiers and broadband light sources. In addition, the company offers integrated laser systems; 2D compact flat sheet cutter systems and multi-axis systems; welding seam stepper and picker, a fiber laser welding tool; high precision laser systems; specialized fiber laser systems; and optical transceiver and transponder modules for interconnecting electronic equipment, including Ethernet switches, IP routers and DWDM/SONET/SDH optical transport modules within telecommunications, cable multi-system operators, and data center networking applications. It's lasers and amplifiers are also used in materials processing, communications, and medical and advanced applications. The company markets its products to original equipment manufacturers, system integrators, and end users through direct sales force, as well as through agreements with independent sales representatives and distributors. IPG Photonics Corporation was founded in 1990 and is headquartered in Oxford, Massachusetts.
Over the last 12 months, insiders at IPG Photonics Corporation have bought $0 and sold $54.61M worth of IPG Photonics Corporation stock.
On average, over the past 5 years, insiders at IPG Photonics Corporation have bought $250,620 and sold $22.05M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,000 shares for transaction amount of $250,620 was made by Mammen Timothy PV (SVP, Chief Financial Officer) on 2022‑06‑16.
| 2026-01-15 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 7,952 0.0189% | $80.10 | $636,987 | +2.15% | |
| 2026-01-14 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 17,526 0.0416% | $77.57 | $1.36M | +4.32% | |
| 2026-01-13 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 23,029 0.0548% | $76.98 | $1.77M | +4.25% | |
| 2026-01-12 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 17,993 0.0428% | $76.25 | $1.37M | +3.50% | |
| 2025-12-24 | Sale | IP FIBRE DEVICES LTD | 10 percent owner | 12,785 0.0304% | $74.76 | $955,846 | +1.94% | |
| 2025-12-23 | Sale | IP FIBRE DEVICES LTD | 10 percent owner | 28,445 0.067% | $74.62 | $2.12M | +2.17% | |
| 2025-12-23 | Sale | SCHERBAKOV EUGENE A | 2,700 0.0063% | $74.44 | $200,986 | +2.17% | ||
| 2025-12-22 | Sale | IP FIBRE DEVICES LTD | 10 percent owner | 22,937 0.0546% | $75.43 | $1.73M | +1.22% | |
| 2025-12-16 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 27,116 0.0644% | $77.06 | $2.09M | -1.65% | |
| 2025-12-15 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 39,384 0.0933% | $77.63 | $3.06M | -2.54% | |
| 2025-12-09 | Sale | Lopresti Angelo P | SVP, Secretary & Gen Counsel | 1,500 0.0036% | $85.07 | $127,605 | -9.80% | |
| 2025-11-25 | Sale | Agnes Tang | director | 1,881 0.0046% | $76.75 | $144,363 | -0.76% | |
| 2025-11-24 | Sale | IP FIBRE DEVICES LTD | 10 percent owner | 35,000 0.0846% | $76.36 | $2.67M | +0.63% | |
| 2025-11-24 | Sale | SCHERBAKOV EUGENE A | 2,700 0.0065% | $76.03 | $205,294 | +0.63% | ||
| 2025-11-21 | Sale | IP FIBRE DEVICES LTD | 10 percent owner | 29,167 0.0686% | $74.26 | $2.17M | +2.75% | |
| 2025-11-18 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 47,901 0.1142% | $76.13 | $3.65M | +1.35% | |
| 2025-11-18 | Sale | Ness Trevor | SVP, Chief Revenue Officer | 1,681 0.004% | $75.58 | $127,050 | +1.35% | |
| 2025-11-17 | Sale | Valentin Gapontsev Trust I | 10 percent owner | 18,599 0.0448% | $77.67 | $1.44M | +0.35% | |
| 2025-11-06 | Sale | Meurice Eric | director | 750 0.0019% | $92.00 | $69,000 | -14.13% | |
| 2025-10-27 | Sale | Lopresti Angelo P | SVP, Secretary & Gen Counsel | 1,500 0.0036% | $87.13 | $130,695 | -10.30% |
| Valentin Gapontsev Trust I | 10 percent owner | 6793099 16.1262% | $555.34M | 0 | 106 | |
| IP FIBRE DEVICES LTD | 10 percent owner | 6657336 15.804% | $544.24M | 0 | 75 | |
| SCHERBAKOV EUGENE A | 62030 0.1473% | $5.07M | 0 | 52 | ||
| Lopresti Angelo P | SVP, Secretary & Gen Counsel | 59885 0.1422% | $4.9M | 0 | 64 | |
| Ness Trevor | SVP, Chief Revenue Officer | 37206 0.0883% | $3.04M | 0 | 26 | |
| Meurice Eric | director | 22803 0.0541% | $1.86M | 0 | 15 | |
| Desmond Jeanmarie F. | director | 9740 0.0231% | $796,245.00 | 0 | 3 | |
| Agnes Tang | director | 8663 0.0206% | $708,200.25 | 0 | 2 | |
| TA IX LP | director | 1647767 3.9117% | $134.7M | 0 | 20 | |
| TA ASSOCIATES IX LLC | director | 1647767 3.9117% | $134.7M | 0 | 20 | |
| GAPONTSEV DENIS | Vice President | 1586666 3.7666% | $129.71M | 0 | 5 | |
| TA ADVENT VIII LP | director | 769386 1.8265% | $62.9M | 0 | 20 | |
| TA ASSOCIATES VIII LLC | director | 769386 1.8265% | $62.9M | 0 | 20 | |
| TA / ATLANTIC & PACIFIC IV LP | director | 712480 1.6914% | $58.25M | 0 | 20 | |
| TA ASSOCIATES AP IV LP | director | 712480 1.6914% | $58.25M | 0 | 20 | |
| GAPONTSEV VALENTIN P | CEO & Chairman of the Board | 298638 0.7089% | $24.41M | 0 | 76 | |
| Ovtchinnikov Alexander | SVP, Chief Technology Officer | 63995 0.1519% | $5.23M | 0 | 60 | |
| BuAbbud George H | Vice-President, Telecom | 56820 0.1349% | $4.65M | 0 | 24 | |
| Mammen Timothy PV | SVP, Chief Financial Officer | 53493 0.127% | $4.37M | 1 | 62 | +21.63% |
| TA INVESTORS LLC | director | 48333 0.1147% | $3.95M | 0 | 20 | |
| DALTON JOHN H | director | 39624 0.0941% | $3.24M | 0 | 26 | |
| TA EXECUTIVES FUND LLC | director | 27814 0.066% | $2.27M | 0 | 20 | |
| Shiner William H | VP, Industrial Products | 27602 0.0655% | $2.26M | 0 | 19 | |
| Blair Robert A | director | 23738 0.0564% | $1.94M | 0 | 45 | |
| STUKALIN FELIX I | SVP, North America Operations | 22432 0.0533% | $1.83M | 0 | 4 | |
| GAUTHIER HENRY E | director | 15104 0.0359% | $1.23M | 0 | 10 | |
| Krupke William F | director | 12800 0.0304% | $1.05M | 0 | 19 | |
| HURLEY WILLIAM S | director | 11005 0.0261% | $899,658.75 | 2 | 11 | +21.17% |
| Lego Catherine P | director | 10786 0.0256% | $881,755.50 | 1 | 1 | +36.78% |
| CHILD MICHAEL C | director | 8912 0.0212% | $728,556.00 | 1 | 8 | +10.17% |
| Burgomaster Thomas J | Chief Accounting Officer | 8595 0.0204% | $702,641.25 | 0 | 34 | |
| SEIFERT THOMAS J | director | 5114 0.0121% | $418,069.50 | 0 | 4 | |
| PEELER JOHN R | director | 2939 0.007% | $240,263.25 | 0 | 8 | |
| Samartsev Igor | SVP, Chief Technology Officer | 1200 0.0028% | $98,100.00 | 0 | 23 | |
| TA ASSOCIATES INC | 0 0% | $0 | 0 | 114 |
$41,019,040 | 35 | 51.92% | $4,531.1B | |
$218,719,762 | 15 | 14.47% | $1,667.55B | |
$864,936 | 4 | 15.01% | $408.28B |
| Increased Positions | 134 | +47.18% | 2M | +5.86% |
| Decreased Positions | 112 | -39.44% | 2M | -5.34% |
| New Positions | 44 | New | 580,938 | New |
| Sold Out Positions | 13 | Sold Out | 416,575 | Sold Out |
| Total Postitions | 306 | +7.75% | 29M | +0.53% |
| First Eagle Investment Management, Llc | $334,891.00 | 10.65% | 4.47M | +7,648 | +0.17% | 2025-09-30 |
| Vanguard Group Inc | $212,088.00 | 6.75% | 2.83M | -31,940 | -1.11% | 2025-09-30 |
| Blackrock, Inc. | $180,653.00 | 5.75% | 2.41M | -55,150 | -2.23% | 2025-09-30 |
| Lazard Asset Management Llc | $133,730.00 | 4.25% | 1.79M | -112,589 | -5.93% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $131,409.00 | 4.18% | 1.76M | +68,366 | +4.05% | 2025-09-30 |
| Sumitomo Mitsui Trust Group, Inc. | $130,478.00 | 4.15% | 1.74M | -31,232 | -1.76% | 2025-09-30 |
| Alliancebernstein L.P. | $103,834.00 | 3.3% | 1.39M | -31,930 | -2.25% | 2025-09-30 |
| Aqr Capital Management Llc | $67,451.00 | 2.15% | 901,268 | -77,309 | -7.9% | 2025-09-30 |
| State Street Corp | $59,299.00 | 1.89% | 792,343 | -36,294 | -4.38% | 2025-09-30 |
| Morgan Stanley | $48,728.00 | 1.55% | 651,093 | +267,168 | +69.59% | 2025-09-30 |