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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
Focus Partners Wealth
226
Focus Partners Wealth
Massachusetts
$2.25M
SLAM
227
Swiss Life Asset Management
$2.18M
Stifel Financial
228
Stifel Financial
Missouri
$2.17M
CIS
229
Capital International Sarl
California
$2.15M
Twin Tree Management
230
Twin Tree Management
Texas
$2.13M
II
231
IFM Investors
Australia
$2.12M
EAM
232
Exane Asset Management
France
$2.12M
Jones Financial Companies
233
Jones Financial Companies
Missouri
$2.09M
HBCM
234
Heron Bay Capital Management
Michigan
$2.09M
LTAS
235
Linden Thomas Advisory Services
North Carolina
$2.07M
STA
236
Summit Trail Advisors
New York
$1.95M
Citadel Advisors
237
Citadel Advisors
Florida
$1.93M
DekaBank Deutsche Girozentrale
238
DekaBank Deutsche Girozentrale
Germany
$1.88M
LG
239
Lane Generational
Massachusetts
$1.84M
URS
240
Utah Retirement Systems
Utah
$1.83M
Toronto Dominion Bank
241
Toronto Dominion Bank
Ontario, Canada
$1.83M
SMH
242
Sanders Morris Harris
Texas
$1.77M
HCMT
243
Highland Capital Management (Tennessee)
Tennessee
$1.75M
VPIM
244
Vanguard Personalized Indexing Management
California
$1.75M
MF
245
Magnetar Financial
Illinois
$1.72M
PFSRSONJ
246
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.71M
AC
247
Allstate Corporation
Illinois
$1.7M
SCM
248
Shelton Capital Management
Colorado
$1.7M
MIC
249
Maxi Investments CY
Cyprus
$1.69M
OAC
250
OMERS Administration Corp
Ontario, Canada
$1.65M