Security key
44980X109
IPG PHOTONICS CORP - Common stock, par value $0.0001 per share (IPGP)
CUSIP: 44980X109
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common stock, par value $0.0001 per share
- Total 13F shares
- 29,033,122
- Total 13F value
- $3,322,487,696
- Share change
- -603,338
- Put/Call ratio
- 45%
- SEC-reported price per share
- $114.59
- Number of holders
- 335
- Value change
- +$23,077,089
- Number of buys
- 187
- Number of sells
- 126
- Shares outstanding
- 42,500,612
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
335
Top holders
10
IPGP full security history
Ownership snapshot
Full 13F holder table
IPG PHOTONICS CORP SEC filings
IPG PHOTONICS CORP company facts
Broader feeds
Ownership snapshot
Top reported holders of IPGP - IPG PHOTONICS CORP - Common stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Valentin Gapontsev Trust I
Disclosed value leader
Valentin Gapontsev Trust I
Comparable rows
15/15
Latest evidence
17 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 34%
13D/G row: Valentin Gapontsev Trust I
Showing 1-6 of 15 holder rows.
Quick read
Valentin Gapontsev Trust I leads the comparable SEC ownership view at 34%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Valentin Gapontsev Trust I's linked filing trail.
Comparable ownership
Top 5
Valentin Gapontsev Trust I
34%
IP FIBRE DEVICES LTD
15%
Trevor Ness
0.09%
Paulus Bucher
0.02%
Mary E. Buttarazzi
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Valentin Gapontsev Trust I |
13D/G
Shcherbakov Eugene A
|
34%
|
$1,710,256,937
14,577,710 shares
|
-$136,442,104 | 18 Feb 2026 |
| IP FIBRE DEVICES LTD |
13D/G
|
15%
|
$758,274,591
6,463,302 shares
|
$0 | 22 Sep 2025 |
| Trevor Ness |
3/4/5
SVP, Chief Revenue Officer
|
0.09%
|
$5,055,577
38,425 shares
|
-$550,874 | 01 Mar 2026 |
| Paulus Bucher |
3/4/5
SVP, Global Operations
|
0.02%
|
$623,043
6,716 shares
|
— | 18 Feb 2026 |
| Mary E. Buttarazzi |
3/4/5
VP, Corp Controller and CAO
|
0.01%
|
$551,928
4,749 shares
|
-$58,110 | 17 Mar 2026 |
| First Eagle Investment Management, LLC |
13F
Company
|
11%
|
$321,276,557
4,487,103 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
335
Shares
29,033,122
Rows available
335
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
335
Q1 2026 holders
335
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|