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Atlassian

645 hedge funds and large institutions have $10.2B invested in Atlassian in 2026 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 233 increasing their positions, 229 reducing their positions, and 239 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

35% less funds holding in top 10

Funds holding in top 10: 1711 (-6)

55% less first-time investments, than exits

New positions opened: 108 | Existing positions closed: 239

58% less capital invested

Capital invested by funds: $24.3B → $10.2B (-$14.1B)

Holders
645
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$482M
Puts
$379M
Net Calls
Net Calls Change

Top Sellers

1 -$355M
2 -$191M
3 -$168M
4
Ameriprise
Ameriprise
Minnesota
-$137M
5
Citadel Advisors
Citadel Advisors
Florida
-$134M
Name Holding Trade Value Shares
Change
Change in
Stake
FAF
176
Fjarde Ap-fonden
Sweden
$4.23M
DAM
177
Deepwater Asset Management
Minnesota
$4.21M
Nomura Asset Management
178
Nomura Asset Management
Japan
$4.16M
SFI
179
Susquehanna Fundamental Investments
Pennsylvania
$4.15M
SIA
180
Sit Investment Associates
Minnesota
$4.13M
Robeco Institutional Asset Management
181
Robeco Institutional Asset Management
Netherlands
$4.08M
Lazard Asset Management
182
Lazard Asset Management
New York
$4.07M
WAM
183
Weiss Asset Management
Massachusetts
$4.05M
AG
184
Algert Global
California
$4.04M
TAF
185
Tredje AP-fonden
Sweden
$4.03M
Wealth Enhancement Advisory Services
186
Wealth Enhancement Advisory Services
Minnesota
$4.02M
State of New Jersey Common Pension Fund D
187
State of New Jersey Common Pension Fund D
New Jersey
$3.88M
EGM
188
Engineers Gate Manager
New York
$3.85M
Handelsbanken Fonder
189
Handelsbanken Fonder
Sweden
$3.83M
LF
190
Lansforsakringar Fondforvaltning
Sweden
$3.81M
CS
191
Candriam SCA
Luxembourg
$3.8M
CBU
192
CIBC Bancorp USA
Illinois
$3.53M
Mackenzie Financial
193
Mackenzie Financial
Ontario, Canada
$3.49M
ACIM
194
Azimuth Capital Investment Management
Michigan
$3.47M
Nomura Holdings
195
Nomura Holdings
Japan
$3.45M
ECSS
196
Eurizon Capital SGR SpA
$3.34M
IMC Chicago
197
IMC Chicago
Illinois
$3.34M
Mercer Global Advisors
198
Mercer Global Advisors
Colorado
$3.33M
OQS
199
Occudo Quantitative Strategies
Florida
$3.32M
RAM
200
Resona Asset Management
Japan
$3.29M