PLEXUS CORP (PLXS) Institutional Ownership Changes & 13F Activity

PLEXUS CORP (PLXS) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Disciplined Growth Investors, First Eagle U.S. Value, Renaissance Technologies LLC, Sequoia Financial Advisors, and Mairs & Power Growth Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
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 2016Disciplined Growth InvestorsSell-100,5003,102,436$122,608
Q1 2016Renaissance Technologies LLCBuy53,40087,593$3,462
Q4 2015Disciplined Growth InvestorsSell-22,5753,202,936$111,847
Q4 2015Renaissance Technologies LLCBuy22,19334,193$1,194
Q3 2015Renaissance Technologies LLCSell-117,49312,000$463
Q3 2015Disciplined Growth InvestorsBuy43,3373,225,511$124,440
Q2 2015Disciplined Growth InvestorsBuy5,2633,182,174$139,634
Q1 2015Disciplined Growth InvestorsSell-26,6383,176,911$129,523
Q4 2014Renaissance Technologies LLCBuy54,003129,493$5,336
Q4 2014Disciplined Growth InvestorsSell-37,2503,203,549$132,018
Q3 2014Renaissance Technologies LLCSell-50,60375,490$2,788
Q3 2014Disciplined Growth InvestorsSell-3,6583,240,799$119,683
Q2 2014Disciplined Growth InvestorsBuy218,7433,244,457$140,453
Q2 2014Renaissance Technologies LLCBuy62,973126,093$5,459
Q1 2014Disciplined Growth InvestorsSell-247,2833,025,714$73,555
Q1 2014Renaissance Technologies LLCBuy24,01763,120$2,529
Q4 2013Disciplined Growth InvestorsBuy39,6003,272,997$141,688
Q4 2013Renaissance Technologies LLCBuy39,10339,103$1,693
Q3 2013Disciplined Growth InvestorsBuy4,3483,233,397$120,153
Q2 2013Disciplined Growth InvestorsBuy3,229,0493,229,049$96,516

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.