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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2017Olstein Capital ManagementSell-14,18054,325$7,883
Q1 2017Torray FundSell-5,6414,853$586
Q1 2017Olstein Capital ManagementSell-7,89068,505$8,269
Q1 2017Renaissance Technologies LLCBuy34,139162,539$19,618
Q4 2016Torray FundBuy10,49410,494$1,036
Q4 2016Olstein Capital ManagementSell-16,92076,395$7,541
Q4 2016Renaissance Technologies LLCSell-70,200128,400$12,674
Q3 2016Olstein Capital ManagementBuy4,52093,315$7,684
Q3 2016Renaissance Technologies LLCBuy101,800198,600$16,355
Q2 2016Atlantic Investment ManagementBuy37,00037,000$2,960
Q2 2016Olstein Capital ManagementBuy88,79588,795$7,104
Q2 2016Renaissance Technologies LLCSell-77,40096,800$7,744
Q1 2016Renaissance Technologies LLCSell-57,595174,200$16,737
Q4 2015Renaissance Technologies LLCSell-110,605231,795$20,667
Q3 2015Renaissance Technologies LLCBuy70,700342,400$26,012
Q2 2015Renaissance Technologies LLCBuy263,400271,700$23,142
Q1 2015Renaissance Technologies LLCBuy8,3008,300$769

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.