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
Q1 2023Mairs & Power Growth FundSell-2,87594,452$9,215,682
Q1 2023Disciplined Growth InvestorsSell-226,9592,086,977$203,626,346
Q4 2022Renaissance Technologies LLCBuy8,50018,693$1,924
Q4 2022Mairs & Power Growth FundSell-17,37097,327$10,017,868
Q4 2022Disciplined Growth InvestorsBuy22,4692,313,936$238,173,432
Q3 2022Renaissance Technologies LLCSell-1,20010,193$892
Q3 2022Mairs & Power Growth FundSell-4,136114,697$10,043
Q3 2022Disciplined Growth InvestorsSell-3,1562,291,467$200,641
Q2 2022Mairs & Power Growth FundSell-36118,833$9,328
Q2 2022Disciplined Growth InvestorsBuy22,3652,294,623$180,128
Q1 2022Mairs & Power Growth FundBuy18,774118,869$9,725
Q1 2022Disciplined Growth InvestorsBuy74,6462,272,258$185,893
Q4 2021Mairs & Power Growth FundBuy5,410100,095$9,598
Q4 2021Disciplined Growth InvestorsBuy2,4152,197,612$210,729
Q3 2021Mairs & Power Growth FundSell-6094,685$8,466
Q3 2021Disciplined Growth InvestorsSell-10,1822,195,197$196,273
Q2 2021Renaissance Technologies LLCBuy6,80011,393$1,041
Q2 2021Mairs & Power Growth FundBuy7,99294,745$8,661
Q2 2021Disciplined Growth InvestorsBuy448,1412,205,379$201,594
Q1 2021Renaissance Technologies LLCSell-42,0004,593$422
Q1 2021Mairs & Power Growth FundBuy27,30386,753$7,967
Q1 2021Disciplined Growth InvestorsSell-215,5501,757,238$161,385
Q4 2020Renaissance Technologies LLCSell-20,70046,593$3,644
Q4 2020Mairs & Power Growth FundBuy11,80059,450$4,650
Q4 2020Disciplined Growth InvestorsSell-55,9401,972,788$154,292
Q3 2020Mairs & Power Growth FundBuy16,70047,650$3,366
Q3 2020Renaissance Technologies LLCBuy37,80067,293$4,753
Q3 2020Disciplined Growth InvestorsSell-52,1392,028,728$143,289
Q2 2020Renaissance Technologies LLCSell-2,60029,493$2,081
Q2 2020Mairs & Power Growth FundBuy30,95030,950$2,184

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.