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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
ET
201
Entropy Technologies
New York
$3.28M
NAM
202
Nissay Asset Management
Japan
$3.22M
Credit Agricole
203
Credit Agricole
France
$3.2M
SCM
204
Saber Capital Management
North Carolina
$3.13M
ASRS
205
Arizona State Retirement System
Arizona
$3.12M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
206
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.04M
Daiwa Securities Group
207
Daiwa Securities Group
Japan
$3.02M
AI
208
Atom Investors
Texas
$2.96M
QC
209
Quadrature Capital
United Kingdom
$2.86M
EMPI
210
Elo Mutual Pension Insurance
Finland
$2.78M
AS
211
Aware Super
Australia
$2.78M
RGC
212
Rubicon Global Capital
United Kingdom
$2.73M
LCM
213
Landscape Capital Management
New Jersey
$2.67M
X
214
Xponance
Pennsylvania
$2.63M
OTL
215
Oak Thistle LLC
New York
$2.57M
CIBC Asset Management
216
CIBC Asset Management
Ontario, Canada
$2.57M
VI
217
Vestcor Inc
New Brunswick, Canada
$2.55M
CCIA
218
Campbell & Co Investment Adviser
Maryland
$2.49M
QIM
219
Quantitative Investment Management
Virginia
$2.45M
Cetera Investment Advisers
220
Cetera Investment Advisers
Illinois
$2.43M
BIA
221
Biondo Investment Advisors
Pennsylvania
$2.43M
SO
222
STRS Ohio
Ohio
$2.42M
AAF
223
Andra AP-fonden
Sweden
$2.4M
GFM
224
GF Fund Management
China
$2.35M
Parallax Volatility Advisers
225
Parallax Volatility Advisers
California
$2.28M