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Atlassian

650 hedge funds and large institutions have $10.3B invested in Atlassian in 2026 Q1 according to their latest regulatory filings, with 107 funds opening new positions, 236 increasing their positions, 232 reducing their positions, and 240 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:

more 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: 107 | Existing positions closed: 240

57% less capital invested

Capital invested by funds: $24.3B → $10.3B (-$14B)

Holders
650
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
PP
176
PensionDanmark Pensionsforsikringsaktieselskab
Denmark
$4.27M
Mirae Asset Global Investments
177
Mirae Asset Global Investments
South Korea
$4.26M
FAF
178
Fjarde Ap-fonden
Sweden
$4.23M
DAM
179
Deepwater Asset Management
Minnesota
$4.21M
Nomura Asset Management
180
Nomura Asset Management
Japan
$4.16M
SFI
181
Susquehanna Fundamental Investments
Pennsylvania
$4.15M
SIA
182
Sit Investment Associates
Minnesota
$4.13M
Robeco Institutional Asset Management
183
Robeco Institutional Asset Management
Netherlands
$4.08M
Lazard Asset Management
184
Lazard Asset Management
New York
$4.07M
WAM
185
Weiss Asset Management
Massachusetts
$4.05M
AG
186
Algert Global
California
$4.04M
TAF
187
Tredje AP-fonden
Sweden
$4.03M
Wealth Enhancement Advisory Services
188
Wealth Enhancement Advisory Services
Minnesota
$4.02M
State of New Jersey Common Pension Fund D
189
State of New Jersey Common Pension Fund D
New Jersey
$3.88M
EGM
190
Engineers Gate Manager
New York
$3.85M
Handelsbanken Fonder
191
Handelsbanken Fonder
Sweden
$3.83M
LF
192
Lansforsakringar Fondforvaltning
Sweden
$3.81M
CS
193
Candriam SCA
Luxembourg
$3.8M
CBU
194
CIBC Bancorp USA
Illinois
$3.53M
Mackenzie Financial
195
Mackenzie Financial
Ontario, Canada
$3.49M
ACIM
196
Azimuth Capital Investment Management
Michigan
$3.47M
Nomura Holdings
197
Nomura Holdings
Japan
$3.45M
ECSS
198
Eurizon Capital SGR SpA
$3.34M
IMC Chicago
199
IMC Chicago
Illinois
$3.34M
Mercer Global Advisors
200
Mercer Global Advisors
Colorado
$3.33M