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
Q4 2025Polen Capital ManagementSell-20,33532,493$282,039
Q4 2025Renaissance Technologies LLCSell-86,000414,032$3,593,798
Q3 2025ARK InvestSell-22,709446,325$4,998,840
Q3 2025Polen Capital ManagementSell-28,90452,828$591,674
Q3 2025Renaissance Technologies LLCSell-23,000500,032$5,600,358
Q2 2025ARK InvestSell-122,644469,034$5,379,820
Q2 2025Polen Capital ManagementBuy81,73281,732$937,466
Q2 2025Renaissance Technologies LLCBuy16,800523,032$5,999,177
Q1 2025ARK InvestSell-111,847591,678$5,792,528
Q1 2025Renaissance Technologies LLCSell-57,600506,232$4,956,011
Q4 2024ARK InvestBuy56,304703,525$6,254,337
Q4 2024Renaissance Technologies LLCBuy172,218563,832$5,012,466
Q3 2024ARK InvestBuy4,589647,221$5,378,407
Q3 2024Renaissance Technologies LLCBuy104,114391,614$3,254,312
Q2 2024ARK InvestBuy116,912642,632$5,391,682
Q2 2024Renaissance Technologies LLCSell-7,800287,500$2,412,125
Q1 2024ARK InvestSell-113,413525,720$6,108,866
Q1 2024Renaissance Technologies LLCSell-140,300295,300$3,431
Q4 2023ARK InvestSell-358,199639,133$9,126,819
Q4 2023Renaissance Technologies LLCSell-246,132435,600$6,220
Q3 2023ARK InvestSell-581,181997,332$13,573,689
Q3 2023Renaissance Technologies LLCSell-84,600681,732$9,278
Q2 2023ARK InvestSell-217,2281,578,513$28,034,391
Q2 2023Renaissance Technologies LLCSell-199,900766,332$13,610
Q1 2023ARK InvestBuy36,3841,795,741$29,683,599
Q1 2023Renaissance Technologies LLCSell-48,700966,232$15,972
Q1 2023Disciplined Growth InvestorsBuy2,246476,045$7,869,024
Q4 2022ARK InvestBuy186,2691,759,357$20,865,974
Q4 2022Renaissance Technologies LLCBuy277,0001,014,932$12,037
Q4 2022Disciplined Growth InvestorsBuy2,232473,799$5,619,256

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.