IPG PHOTONICS CORP (IPGP) Stock Institutional Trading Activity
IPG PHOTONICS CORP (IPGP) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Disciplined Growth Investors, First Eagle U.S. Value, Fundsmith, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- IPG PHOTONICS CORP (IPGP) stock institutional ownership
- IPG PHOTONICS CORP (IPGP) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2019 | Torray Fund | Buy | 643 | 5,400 | $732 |
| Q3 2019 | Fundsmith | Buy | 54,081 | 392,900 | $53,277 |
| Q3 2019 | First Eagle U.S. Value | Buy | 17,236 | 1,645,056 | $223,070 |
| Q3 2019 | Disciplined Growth Investors | Buy | 9,382 | 354,341 | $48,049 |
| Q2 2019 | Torray Fund | Sell | -557 | 4,757 | $734 |
| Q2 2019 | Fundsmith | Buy | 120,212 | 338,819 | $52,263 |
| Q2 2019 | Parnassus Endeavor Fund | Sell | -114,458 | 620,000 | $95,635 |
| Q2 2019 | Disciplined Growth Investors | Sell | -16,137 | 344,959 | $53,210 |
| Q1 2019 | Torray Fund | Buy | 136 | 5,314 | $807 |
| Q1 2019 | Fundsmith | Buy | 49,492 | 218,607 | $33,180 |
| Q1 2019 | Mairs & Power Growth Fund | Sell | -500 | 1,500 | $228 |
| Q1 2019 | Parnassus Endeavor Fund | Sell | -265,542 | 734,458 | $111,476 |
| Q1 2019 | First Eagle U.S. Value | Buy | 110,989 | 1,627,820 | $247,071 |
| Q1 2019 | Disciplined Growth Investors | Sell | -1,582 | 361,096 | $54,807 |
| Q4 2018 | Torray Fund | Buy | 67 | 5,178 | $587 |
| Q4 2018 | Fundsmith | Buy | 169,115 | 169,115 | $19,159 |
| Q4 2018 | Parnassus Endeavor Fund | Buy | 500,000 | 1,000,000 | $113,290 |
| Q4 2018 | Renaissance Technologies LLC | Buy | 148,764 | 283,764 | $32,148 |
| Q4 2018 | First Eagle U.S. Value | Buy | 1,435,279 | 1,516,831 | $171,842 |
| Q4 2018 | Disciplined Growth Investors | Buy | 362,678 | 362,678 | $41,088 |
| Q3 2018 | Torray Fund | Buy | 1,865 | 5,111 | $798 |
| Q3 2018 | Parnassus Endeavor Fund | Buy | 500,000 | 500,000 | $78,035 |
| Q3 2018 | First Eagle U.S. Value | Buy | 81,552 | 81,552 | $12,728 |
| Q3 2018 | Renaissance Technologies LLC | Sell | -27,539 | 135,000 | $21,069 |
| Q2 2018 | Torray Fund | Buy | 211 | 3,246 | $716 |
| Q1 2018 | Torray Fund | Sell | -279 | 3,035 | $708 |
| Q4 2017 | Torray Fund | Buy | 165 | 3,314 | $710 |
| Q3 2017 | Torray Fund | Sell | -1,529 | 3,149 | $583 |
| Q2 2017 | Torray Fund | Sell | -175 | 4,678 | $679 |
| Q2 2017 | Mairs & Power Growth Fund | Buy | 2,000 | 2,000 | $290 |
Frequently asked questions about IPGP activity
Which institutional owners are buying IPGP?
Institutional owners buying IPGP include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IPGP activity?
"Buy" means an investor increased their reported position in IPGP compared to the prior reporting period. This reflects growing exposure to IPG PHOTONICS CORP (IPGP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IPGP increasing?
Institutional interest in IPGP can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.