Atlassian Corp (TEAM) Institutional Ownership

Ownership Summary

The institutional landscape for Atlassian Corp (NASDAQ:TEAM) includes 192 filers as of the latest reporting cycle ending December 2025.

• The collective stake of institutional investors in Atlassian moved to 14.7% in December 2025, a shift down from the 56.8% reported for September 2025.
• In percentage terms, this reflects as a holdings change of 2.57% quarter on quarter, and a decrease of 75.73% year over year.
• A review of institutional activity for Atlassian shows 109 of 192 filers increasing their positions, while 54 reduced their stake, and 29 remained unchanged.
• The total number of shares held by institutions in Atlassian increased to 38.21Mn as of December 2025, a net change of up by 958.79K shares quarter on quarter, and down 107.19Mn shares year over year.
• The top institutional stake in Atlassian as of December 31, 2025 belongs to VANGUARD GROUP INC, which owns 18.54Mn shares, or 7.15% of the company.
• Among the most significant buyers of Atlassian during December 2025 were Pictet Asset Management Holding SA (1.09Mn), Assenagon Asset Management S.A. (441.75K), BAILLIE GIFFORD & CO (316.28K), CWM, LLC (139.81K), NORDEA INVESTMENT MANAGEMENT AB (124.79K).
• Leading sellers of Atlassian stock in December 2025 included MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.58Mn), Abacus FCF Advisors LLC (46.28K), COMERICA BANK (26.68K), TEACHER RETIREMENT SYSTEM OF TEXAS (20.18K), Hardman Johnston Global Advisors LLC (16.91K).
• The top 10 institutional holders of Atlassian for the quarter ending December 2025 included VANGUARD GROUP INC (18.54Mn), BAILLIE GIFFORD & CO (8.43Mn), Pictet Asset Management Holding SA (3.95Mn), UBS Group AG (1.01Mn), Assenagon Asset Management S.A. (882.88K), NORDEA INVESTMENT MANAGEMENT AB (846.48K), Sumitomo Mitsui Trust Group, Inc. (406.31K), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (386.50K), GC Wealth Management RIA, LLC (347.47K), Fisher Funds Management LTD (334.01K).