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 2016Mairs & Power Growth FundSell-42,3551,262,958$32,736
Q1 2016Disciplined Growth InvestorsBuy4,625146,509$3,798
Q4 2015Mairs & Power Growth FundSell-228,9251,305,313$30,649
Q4 2015Disciplined Growth InvestorsSell-5,825141,884$3,331
Q3 2015Mairs & Power Growth FundBuy51,0501,534,238$40,642
Q3 2015Disciplined Growth InvestorsBuy1,650147,709$3,913
Q2 2015Mairs & Power Growth FundBuy453,8901,483,188$51,808
Q2 2015Disciplined Growth InvestorsBuy550146,059$5,102
Q1 2015Mairs & Power Growth FundBuy1,001,7351,029,298$54,326
Q1 2015Renaissance Technologies LLCSell-61,907213,125$11,249
Q1 2015Disciplined Growth InvestorsBuy2,875145,509$7,680
Q4 2014Tiger Global ManagementBuy275,000600,000$49,866
Q4 2014Renaissance Technologies LLCBuy225,800275,032$22,858
Q4 2014Disciplined Growth InvestorsSell-5,900142,634$11,854
Q4 2014Mairs & Power Growth FundSell-2,81727,563$2,291
Q3 2014Disciplined Growth InvestorsSell-25,975148,534$17,940
Q2 2014Disciplined Growth InvestorsSell-59,150174,509$23,506
Q1 2014Disciplined Growth InvestorsBuy57,250233,659$17,342
Q1 2014Mairs & Power Growth FundSell-80030,380$3,223
Q4 2013Tiger Global ManagementSell-975,000325,000$43,778
Q4 2013Disciplined Growth InvestorsSell-6,450176,409$23,762
Q4 2013Mairs & Power Growth FundSell-55031,180$4,200
Q3 2013Renaissance Technologies LLCBuy49,23249,232$4,985
Q3 2013Disciplined Growth InvestorsSell-49,200182,859$18,516
Q3 2013Mairs & Power Growth FundBuy2,70031,730$3,213
Q2 2013Tiger Global ManagementBuy1,300,0001,300,000$108,862
Q2 2013Disciplined Growth InvestorsBuy232,059232,059$19,433
Q2 2013Mairs & Power Growth FundBuy29,03029,030$2,431

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.

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