STRATASYS LTD (SSYS) Institutional Ownership Changes & 13F Activity

STRATASYS LTD (SSYS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, ARK Invest, Polen Capital Management, Disciplined Growth Investors, and Mairs & Power Growth Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2018Disciplined Growth InvestorsSell-365147,927$2,985
Q4 2017ARK InvestBuy1,203,2562,761,525$55,120
Q4 2017Mairs & Power Growth FundSell-483,470394,130$7,867
Q4 2017Renaissance Technologies LLCSell-49,100246,132$4,913
Q4 2017Fairfax Financial HoldingsBuy9,00090,000$1,796
Q4 2017Disciplined Growth InvestorsSell-1,871148,292$2,960
Q3 2017Mairs & Power Growth FundSell-406,370877,600$20,290
Q3 2017ARK InvestBuy324,5901,558,269$36,027
Q3 2017Fairfax Financial HoldingsBuy81,00081,000$1,872
Q3 2017Renaissance Technologies LLCBuy38,636295,232$6,826
Q3 2017Disciplined Growth InvestorsSell-4,075150,163$3,472
Q2 2017Renaissance Technologies LLCSell-221,004256,596$5,981
Q2 2017ARK InvestSell-129,3471,233,679$28,757
Q2 2017Mairs & Power Growth FundBuy3651,283,970$29,929
Q2 2017Disciplined Growth InvestorsSell-146154,238$3,595
Q1 2017Renaissance Technologies LLCSell-253,300477,600$9,786
Q1 2017ARK InvestBuy206,7421,363,026$27,928
Q1 2017Mairs & Power Growth FundBuy4,6701,283,605$26,301
Q1 2017Disciplined Growth InvestorsSell-1,300154,384$3,163
Q4 2016ARK InvestBuy1,156,2841,156,284$19,125
Q4 2016Renaissance Technologies LLCSell-79,632730,900$12,089
Q4 2016Mairs & Power Growth FundSell-17,6281,278,935$21,154
Q4 2016Disciplined Growth InvestorsBuy12,500155,684$2,575
Q3 2016Renaissance Technologies LLCBuy408,732810,532$19,526
Q3 2016Mairs & Power Growth FundBuy36,0801,296,563$31,234
Q3 2016Disciplined Growth InvestorsSell-2,550143,184$3,449
Q2 2016Renaissance Technologies LLCBuy251,000401,800$9,197
Q2 2016Mairs & Power Growth FundSell-2,4751,260,483$28,852
Q2 2016Disciplined Growth InvestorsSell-775145,734$3,336
Q1 2016Renaissance Technologies LLCSell-62,325150,800$3,909

Frequently asked questions about SSYS activity

  • Which institutional owners are buying SSYS?

    Institutional owners buying SSYS 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 SSYS activity?

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

  • Is institutional interest in SSYS increasing?

    Institutional interest in SSYS 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.

Related SSYS Institutional Insights