Ipg Photonics Corp
IPGP- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001111928
In the last 90 days, Ipg Photonics Corp insiders filed 1 open-market purchase and 4 sales; 361 institutions reported holding it in 13F filings for Q2 2026, worth $3.56B in total; no superinvestor holds it.
Holders of 5% or more of IPGP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ipg Photonics Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Valentin Gapontsev Trust I | 13D/A | 34.30%14.6M shares | −2.60 ppfrom 36.90% | Nov 1, 20214 filings | Jul 28, 2026 | SEC |
| Ip Fibre Devices Ltd | 13G/A | 15.20%6.46M shares | – | Nov 1, 20212 filings | Jul 28, 2026 | SEC |
| First Eagle Investment Management, LLC | 13G/A | 7.90%3.34M shares | – | Feb 9, 20234 filings | Aug 6, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
25 Schedule 13D and 13G filings on Ipg Photonics Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 6, 202610:29 AM ET | First Eagle Investment Management, LLCand 1 other | 13G/A | 7.90%3.34M shares | – | Jun 30, 2026 | SEC |
| Jul 28, 20264:18 PM ET | Valentin Gapontsev Trust Iand 3 others | 13D/A | 34.30%14.6M shares | −2.60 ppfrom 36.90% | Feb 18, 2026 | SEC |
| Jul 28, 20264:18 PM ET | Ip Fibre Devices Ltd | 13G/A | 15.20%6.46M shares | – | Sep 22, 2025 | SEC |
| Mar 27, 20269:55 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 20, 20255:25 PM ET | Valentin Gapontsev Trust Iand 3 others | 13D/A | 36.90%15.7M shares | – | Feb 20, 2025 | SEC |
| Aug 7, 2024 | First Eagle Investment Management, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2024 | First Eagle Investment Management, LLC | 13G/AOld format | – | – | – | SEC |
| Jan 29, 20245:25 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 4, 2024 | Valentin Gapontsev Trust I | 13D/AOld format | – | – | – | SEC |
| Feb 13, 20237:28 PM ET | Alliancebernstein L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | First Eagle Investment Management, LLC | 13GOld format | – | New | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 3, 202312:10 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 14, 20223:06 PM ET | Alliancebernstein L.P. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 1, 2021 | Valentin Gapontsev Trust I | 13D/AOld format | – | – | – | SEC |
| Nov 1, 2021 | Shcherbakov Eugene A | 13DOld format | – | New | – | SEC |
| Nov 1, 2021 | Ip Fibre Devices Ltd | 13G/AOld format | – | – | – | SEC |
| Nov 1, 2021 | Gapontsev Valentin P | 13G/AOld format | – | – | – | SEC |
| Apr 9, 20216:02 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Gapontsev Valentin P | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 5, 20216:26 PM ET | Alliancebernstein L.P. | 13GOld format | – | New | – | SEC |
| Feb 2, 20213:13 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
49 notices from officers, directors and other affiliates planning to sell Ipg Photonics Corp shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Oct 2, 20264:23 PM ET | Ip Fibre Devices Ltd10% stockholder | 135.0K | $11.6M | Oct 2, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Oct 2, 20264:12 PM ET | Scherbakov Eugene A10% stockholder | 7.62K | $650.0K | Oct 2, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Sep 22, 20264:00 PM ET | Valentin Gapontsev Trust IIOfficer | 11.7K | $909.1K | Sep 22, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jun 29, 20266:21 PM ET | Lopresti Angelo POfficer | 3.00K | $331.0K | Jun 29, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jun 29, 20266:12 PM ET | Ip Fibre Devices Ltd10% stockholder | 197.1K | $20.4M | Jun 29, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jun 29, 20266:11 PM ET | Scherbakov Eugene ADirector | 4.57K | $464.3K | Jun 29, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jun 22, 20265:31 PM ET | Valentin Gapontsev Trust IIOfficer | 12.9K | $1.52M | Jun 22, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jun 22, 20264:40 PM ET | Agnes TangDirector | 1.51K | $178.1K | Jun 22, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| May 22, 20264:10 PM ET | Mammen Timothy PVOfficer | 9.97K | $1.20M | May 22, 2026 | Stifel Nicolaus & Company Inc | SEC |
| May 14, 20264:15 PM ET | Desmond Jeanmarie F.Director | 1.69K | $178.4K | May 14, 2026 | Stifel Nicolaus & Company Inc | SEC |
| Mar 17, 20264:03 PM ET | Buttarazzi Mary E.Officer | 500 | $58.1K | Mar 17, 2026 | Stifel Nicolaus & Company Inc | SEC |
| Feb 2, 20264:29 PM ET | Meurice EricDirector | 750 | $71.3K | Feb 2, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Jan 21, 20264:11 PM ET | Lopresti Angelo POfficer | 1.50K | $127.5K | Jan 21, 202610b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Dec 23, 20254:26 PM ET | Scherbakov Eugene AOfficer | 8.10K | $602.9K | Dec 23, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Dec 22, 20254:07 PM ET | Ip Fibre Devices Ltd10% stockholder | 192.5K | $14.6M | Dec 22, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Dec 19, 20254:22 PM ET | Valentin Gapontsev Trust IIOfficer | 27.9K | $2.12M | Dec 19, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Nov 25, 20255:28 PM ET | Agnes TangDirector | 1.88K | $144.4K | Nov 25, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Oct 7, 20254:25 PM ET | Meurice EricDirector | 3.00K | $269.0K | Oct 7, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Oct 6, 20254:47 PM ET | Lopresti Angelo POfficer | 6.00K | $511.0K | Oct 6, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Sep 23, 20254:08 PM ET | Scherbakov Eugene AOfficer | 8.10K | $662.6K | Sep 23, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Sep 19, 20254:14 PM ET | Ip Fibre Devices Ltd10% stockholder | 192.5K | $12.6M | Sep 19, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Sep 18, 20254:07 PM ET | Valentin Gapontsev Trust IIOfficer | 27.9K | $2.31M | Sep 18, 2025 | Stifel Nicolaus & Company Inc | SEC |
| Aug 27, 20254:45 PM ET | Ness TrevorOfficer | 6.71K | $557.0K | Aug 27, 202510b5-1 | Stifel Nicolaus & Company Inc | SEC |
| Aug 8, 20254:07 PM ET | Desmond Jeanmarie F.Director | 1.36K | $103.7K | Aug 8, 2025 | Stifel Nicolaus & Company Inc | SEC |
| Jun 6, 20254:30 PM ET | Lopresti Angelo PDirector | 4.50K | $311.7K | Jun 6, 2025 | Stifel Nicolaus & Company Inc | SEC |
Showing the latest 25. See the IPGP notices from the last 12 months