SYNOPSYS INC (SNPS) Stock Institutional Trading Activity


SYNOPSYS INC (SNPS) 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 Polen Capital Management, ARK Invest, Parnassus Endeavor Fund, Sequoia Financial Advisors, and Cullen Value 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-17,68047,428$14,490
Q3 2022Sequoia Financial AdvisorsSell-101804$246
Q3 2022Renaissance Technologies LLCBuy48,500167,434$51,153
Q3 2022Parnassus Endeavor FundSell-118,564257,002$78,517
Q2 2022ARK InvestSell-4,80165,108$20,782
Q2 2022Dodge & Cox Stock FundSell-10015,484$4,702
Q2 2022Sequoia Financial AdvisorsBuy184905$275
Q2 2022Renaissance Technologies LLCSell-900118,934$36,120
Q2 2022Parnassus Endeavor FundSell-235,313375,566$114,059
Q1 2022Dodge & Cox Stock FundSell-20015,584$5,194
Q1 2022ARK InvestSell-23,79969,909$23,299
Q1 2022Sequoia Financial AdvisorsBuy721721$240
Q1 2022Renaissance Technologies LLCSell-58,300119,834$39,937
Q1 2022Parnassus Endeavor FundSell-1,303,253610,879$203,588
Q4 2021Dodge & Cox Stock FundSell-40015,784$5,816
Q4 2021ARK InvestSell-12,50093,708$34,531
Q4 2021Parnassus Endeavor FundBuy5,4331,914,132$705,358
Q4 2021Renaissance Technologies LLCBuy46,700178,134$65,642
Q3 2021Dodge & Cox Stock FundSell-40016,184$4,846
Q3 2021ARK InvestSell-50,825106,208$31,800
Q3 2021Parnassus Endeavor FundBuy45,8221,908,699$571,484
Q3 2021Renaissance Technologies LLCSell-84,500131,434$39,353
Q2 2021Dodge & Cox Stock FundBuy1,95416,584$4,574
Q2 2021ARK InvestSell-1,380,720157,033$43,308
Q2 2021Parnassus Endeavor FundBuy7,9131,862,877$513,763
Q2 2021Fundsmith Investment ServicesBuy21,78821,788$6,009
Q1 2021Dodge & Cox Stock FundSell-70014,630$3,625
Q1 2021ARK InvestBuy516,5711,537,753$381,024
Q1 2021Parnassus Endeavor FundSell-1,188,8661,854,964$459,623
Q4 2020ARK InvestBuy390,0561,021,182$264,731

Frequently asked questions about SNPS activity

  • Which institutional owners are buying SNPS?

    Institutional owners buying SNPS 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 SNPS activity?

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

  • Is institutional interest in SNPS increasing?

    Institutional interest in SNPS 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.