STRATASYS LTD (SSYS) Stock Institutional Trading Activity


STRATASYS LTD (SSYS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, ARK Invest, Disciplined Growth Investors, and Mairs & Power Growth Fund. 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
Q3 2022ARK InvestSell-6,600,4111,573,088$22,668
Q3 2022Renaissance Technologies LLCSell-208,500737,932$10,634
Q3 2022Disciplined Growth InvestorsBuy406,812471,567$6,795
Q2 2022ARK InvestBuy408,1578,173,499$162,980
Q2 2022Renaissance Technologies LLCBuy113,000946,432$17,736
Q2 2022Disciplined Growth InvestorsBuy33564,755$1,214
Q1 2022ARK InvestBuy110,4107,765,342$197,162
Q1 2022Renaissance Technologies LLCSell-186,800833,432$21,161
Q1 2022Disciplined Growth InvestorsBuy1,75264,420$1,636
Q4 2021ARK InvestBuy425,3257,654,932$187,469
Q4 2021Renaissance Technologies LLCBuy102,8001,020,232$24,985
Q4 2021Disciplined Growth InvestorsSell-49,37762,668$1,535
Q3 2021ARK InvestSell-1,642,5597,229,607$155,581
Q3 2021Renaissance Technologies LLCSell-912,294917,432$19,743
Q2 2021ARK InvestSell-1,548,0948,872,166$229,434
Q2 2021Renaissance Technologies LLCSell-1,292,8061,829,726$47,317
Q2 2021Disciplined Growth InvestorsBuy11,140112,045$2,897
Q1 2021ARK InvestSell-1,667,40110,420,260$269,885
Q1 2021Renaissance Technologies LLCBuy2,736,6003,122,532$80,874
Q1 2021Disciplined Growth InvestorsSell-13,186100,905$2,613
Q4 2020ARK InvestBuy17,27612,087,661$250,456
Q4 2020Renaissance Technologies LLCBuy339,150385,932$7,997
Q4 2020Disciplined Growth InvestorsSell-7,624114,091$2,364
Q3 2020ARK InvestBuy780,34012,070,385$150,518
Q3 2020Renaissance Technologies LLCSell-265,95046,782$583
Q3 2020Disciplined Growth InvestorsBuy120121,715$1,518
Q2 2020ARK InvestBuy1,494,90811,290,045$179,060
Q2 2020Renaissance Technologies LLCSell-81,420312,732$4,960
Q2 2020Disciplined Growth InvestorsSell-3,333121,595$1,928
Q1 2020ARK InvestBuy1,331,2039,795,137$156,232

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.