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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
Russell Investments Group
101
Russell Investments Group
United Kingdom
$12.1M
GSP
102
Grafton Street Partners
Florida
$11.9M
CAM
103
Capco Asset Management
Florida
$11.9M
HSBC Holdings
104
HSBC Holdings
United Kingdom
$11.9M
SS
105
SBI Securities
Japan
$11.7M
UIM
106
USS Investment Management
United Kingdom
$11.6M
Dimensional Fund Advisors
107
Dimensional Fund Advisors
Texas
$11.6M
T. Rowe Price Associates
108
T. Rowe Price Associates
Maryland
$11M
Rafferty Asset Management
109
Rafferty Asset Management
New York
$10.9M
VIM
110
Vinva Investment Management
Australia
$10.6M
Wellington Management Group
111
Wellington Management Group
Massachusetts
$10.4M
AllianceBernstein
112
AllianceBernstein
Tennessee
$10.4M
OAM
113
OP Asset Management
$10.2M
State Board of Administration of Florida Retirement System
114
State Board of Administration of Florida Retirement System
Florida
$10.1M
Aviva
115
Aviva
United Kingdom
$9.74M
Universal-Beteiligungs- und Servicegesellschaft
116
Universal-Beteiligungs- und Servicegesellschaft
Germany
$9.51M
BCM
117
Brown Capital Management
Maryland
$8.93M
TI
118
Trexquant Investment
Connecticut
$8.78M
Aberdeen Group
119
Aberdeen Group
United Kingdom
$8.32M
Korea Investment Corp
120
Korea Investment Corp
South Korea
$8.29M
CCPM
121
Cooper Creek Partners Management
New York
$8.03M
BNP Paribas Asset Management
122
BNP Paribas Asset Management
France
$7.93M
PCM
123
Peregrine Capital Management
Minnesota
$7.82M
Cerity Partners
124
Cerity Partners
New York
$7.81M
Franklin Resources
125
Franklin Resources
California
$7.76M