PLEXUS CORP (PLXS) Stock Institutional Trading Activity


PLEXUS CORP (PLXS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Sequoia Financial Advisors, Disciplined Growth Investors, Mairs & Power Growth Fund, First Eagle U.S. Value, and Renaissance Technologies LLC. 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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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2020Disciplined Growth InvestorsSell-750,0272,080,867$146,826
Q1 2020Renaissance Technologies LLCSell-13,00032,093$1,751
Q1 2020Disciplined Growth InvestorsSell-64,1762,830,894$154,454
Q4 2019Renaissance Technologies LLCSell-30,07145,093$3,469
Q4 2019Disciplined Growth InvestorsBuy51,4612,895,070$222,747
Q3 2019Disciplined Growth InvestorsBuy54,1902,843,609$177,754
Q2 2019Disciplined Growth InvestorsSell-125,5282,789,419$162,818
Q1 2019Disciplined Growth InvestorsSell-25,0322,914,947$177,666
Q4 2018Renaissance Technologies LLCBuy21,46475,164$3,839
Q4 2018Disciplined Growth InvestorsSell-31,7472,939,979$150,174
Q3 2018Renaissance Technologies LLCSell-187,70053,700$3,142
Q3 2018Disciplined Growth InvestorsBuy67,1802,971,726$173,876
Q2 2018Disciplined Growth InvestorsSell-27,9222,904,546$172,937
Q1 2018Renaissance Technologies LLCSell-52,500241,400$14,419
Q1 2018Disciplined Growth InvestorsSell-59,1462,932,468$175,156
Q4 2017Renaissance Technologies LLCSell-60,200293,900$17,846
Q4 2017Disciplined Growth InvestorsBuy13,4722,991,614$181,651
Q3 2017Renaissance Technologies LLCBuy36,900354,100$19,858
Q3 2017Disciplined Growth InvestorsSell-60,7252,978,142$167,014
Q2 2017Renaissance Technologies LLCBuy85,800317,200$16,675
Q2 2017Disciplined Growth InvestorsBuy16,3293,038,867$159,753
Q1 2017Renaissance Technologies LLCBuy6,000231,400$13,375
Q1 2017Disciplined Growth InvestorsSell-61,1033,022,538$174,703
Q4 2016Renaissance Technologies LLCBuy36,600225,400$12,181
Q4 2016Disciplined Growth InvestorsBuy23,9053,083,641$166,640
Q3 2016Renaissance Technologies LLCBuy67,800188,800$8,832
Q3 2016Disciplined Growth InvestorsSell-11,9003,059,736$143,134
Q2 2016Renaissance Technologies LLCBuy33,407121,000$5,227
Q2 2016Disciplined Growth InvestorsSell-30,8003,071,636$132,695
Q1 2016Renaissance Technologies LLCBuy53,40087,593$3,462

Frequently asked questions about PLXS activity

  • Which institutional owners are buying PLXS?

    Institutional owners buying PLXS 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 PLXS activity?

    "Buy" means an investor increased their reported position in PLXS compared to the prior reporting period. This reflects growing exposure to PLEXUS CORP (PLXS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PLXS increasing?

    Institutional interest in PLXS 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.