IPG Photonics Corporation
IPG Photonics Corporation (IPGP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IPGP · as of Sep 30, 2025
Ownership Breakdown
291
Institutional Holders
▲ 25 vs Q2
$2.25B
Total Inst. Value
▲ $273.49M vs Q2
42.44M
Shares Outstanding
freeFloat 64.56%
28.41M
13F Shares Held
▼ 367,099 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
IPGP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FIRST EAGLE INVESTMENT MANAGEMENT, LLC semiconductors & related devices | 4.47M | 10.52% | 10.52% | $354.36B | Nov 12, 2025 | ▲ 7.6K |
VANGUARD GROUP INC semiconductors & related devices | 2.83M | 6.66% | 6.66% | $224.42B | Nov 7, 2025 | ▼ 31.9K |
BLACKROCK, INC. semiconductors & related devices | 2.41M | 5.67% | 5.67% | $191.15B | Nov 12, 2025 | ▼ 55.1K |
LAZARD ASSET MANAGEMENT LLC semiconductors & related devices | 1.79M | 4.20% | 4.20% | $141.50B | Nov 14, 2025 | ▼ 112.6K |
DIMENSIONAL FUND ADVISORS LP semiconductors & related devices | 1.76M | 4.13% | 4.13% | $139.04B | Nov 12, 2025 | ▲ 68.4K |
SUMITOMO MITSUI TRUST HOLDINGS, INC. semiconductors & related devices | 1.74M | 4.10% | 4.10% | $138.06B | Oct 27, 2025 | ▼ 31.2K |
ALLIANCEBERNSTEIN L.P. semiconductors & related devices | 1.39M | 3.26% | 3.26% | $109.87B | Nov 14, 2025 | ▼ 31.9K |
AQR CAPITAL MANAGEMENT LLC semiconductors & related devices | 901.3K | 2.12% | 2.12% | $71.09B | Nov 14, 2025 | ▼ 77.3K |
STATE STREET CORP semiconductors & related devices | 792.3K | 1.86% | 1.86% | $62.75B | Nov 14, 2025 | ▼ 36.3K |
MORGAN STANLEY semiconductors & related devices | 651.1K | 1.53% | 1.53% | $51.56B | May 27, 2026 | ▲ 267.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
18
Increased
+699.9K shares3
New Positions
first time holders27
Decreased
−766.4K shares0
Sold Out
fully exitedNet shares change (top 50)
66.6K
+699.9K / −766.4K
Net new holders
-6
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IPGP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
1
Sell transactions
8.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Mammen Timothy PV SVP, Chief Financial Officer | May 22, 2026 | Sale | 7,263 | $119.60 | $868.7K | 79.2K | Form 4 ↗ |
Mammen Timothy PV SVP, Chief Financial Officer | May 22, 2026 | Sale | 2,712 | $120.37 | $326.4K | 76.4K | Form 4 ↗ |
Desmond Jeanmarie F. director | May 14, 2026 | Sale | 1,690 | $105.58 | $178.4K | 10.5K | Form 4 ↗ |
KENNEDY KOLLEEN T director | May 12, 2026 | Award | 2,436 | — | — | 11.5K | Form 4 ↗ |
PEELER JOHN R director | May 12, 2026 | Award | 2,436 | — | — | 18.2K | Form 4 ↗ |
Dougherty Greg director | May 12, 2026 | Award | 2,436 | — | — | 18.3K | Form 4 ↗ |
Desmond Jeanmarie F. director | May 12, 2026 | Award | 2,436 | — | — | 12.2K | Form 4 ↗ |
Meurice Eric director | May 12, 2026 | Award | 2,436 | — | — | 25.2K | Form 4 ↗ |
Samartsev Igor SVP, Chief Scientist | May 12, 2026 | Award | 2,436 | — | — | 115.7K | Form 4 ↗ |
Agnes Tang director | May 12, 2026 | Award | 2,436 | — | — | 11.1K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
IPG Photonics Corporation (IPGP) is primarily owned by institutional investors, who hold approximately 66.9% of total shares outstanding. Company insiders own approximately 35.44%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of IPG Photonics Corporation is FIRST EAGLE INVESTMENT MANAGEMENT, LLC, holding approximately 4.47 million shares — equal to 10.52% of outstanding shares — as of September 30, 2025.
A total of 291 institutional investors currently hold IPGP stock, with a combined institutional value of approximately $2.25 billion as of the most recent 13F filing period.
Frequently asked questions
IPGP ownershipIPG Photonics Corporation (IPGP) is primarily owned by institutional investors, who hold approximately 66.9% of shares. The largest shareholder is FIRST EAGLE INVESTMENT MANAGEMENT, LLC with a 10.52% stake. Company insiders hold 35.44%. Data sourced from SEC Form 13F as of September 30, 2025.