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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
N
101
Natixis
France
$12.4M
Russell Investments Group
102
Russell Investments Group
United Kingdom
$12.1M
GSP
103
Grafton Street Partners
Florida
$11.9M
CAM
104
Capco Asset Management
Florida
$11.9M
HSBC Holdings
105
HSBC Holdings
United Kingdom
$11.9M
SS
106
SBI Securities
Japan
$11.7M
UIM
107
USS Investment Management
United Kingdom
$11.6M
Dimensional Fund Advisors
108
Dimensional Fund Advisors
Texas
$11.6M
T. Rowe Price Associates
109
T. Rowe Price Associates
Maryland
$11M
Rafferty Asset Management
110
Rafferty Asset Management
New York
$10.9M
VIM
111
Vinva Investment Management
Australia
$10.6M
Wellington Management Group
112
Wellington Management Group
Massachusetts
$10.4M
AllianceBernstein
113
AllianceBernstein
Tennessee
$10.4M
OAM
114
OP Asset Management
$10.2M
State Board of Administration of Florida Retirement System
115
State Board of Administration of Florida Retirement System
Florida
$10.1M
Aviva
116
Aviva
United Kingdom
$9.74M
Universal-Beteiligungs- und Servicegesellschaft
117
Universal-Beteiligungs- und Servicegesellschaft
Germany
$9.51M
BCM
118
Brown Capital Management
Maryland
$8.93M
TI
119
Trexquant Investment
Connecticut
$8.78M
Aberdeen Group
120
Aberdeen Group
United Kingdom
$8.32M
Korea Investment Corp
121
Korea Investment Corp
South Korea
$8.29M
CCPM
122
Cooper Creek Partners Management
New York
$8.03M
BNP Paribas Asset Management
123
BNP Paribas Asset Management
France
$7.93M
PCM
124
Peregrine Capital Management
Minnesota
$7.82M
Cerity Partners
125
Cerity Partners
New York
$7.81M