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Atlassian
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Overview Fund Activity

843 hedge funds and large institutions have $30.8B invested in Atlassian in 2025 Q1 according to their latest regulatory filings, with 157 funds opening new positions, 372 increasing their positions, 231 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
843
Holders Change
+54
Holders Change %
+6.84%
% of All Funds
11.45%
Holding in Top 10
21
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+23.53%
% of All Funds
0.29%
New
157
Increased
372
Reduced
231
Closed
86
Calls
$719M
Puts
$627M
Net Calls
+$91.9M
Net Calls Change
+$170M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
$355M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
$357M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$283M
4
BlackRock
BlackRock
New York
$2.36B
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$730M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$453M
2
DCP
Durable Capital Partners
Maryland
$0
3
Capital International Investors
Capital International Investors
California
$769M
4
WCM Investment Management
WCM Investment Management
California
$745M
5
WRCM
Whale Rock Capital Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
PCM
126
Peregrine Capital Management
Minnesota
$28M -$1.02M -4,820 -4%
Point72 Asset Management
127
Point72 Asset Management
Connecticut
$27.8M -$28.4M -134,040 -51%
BCM
128
Benchstone Capital Management
New York
$27.5M +$4.06M +19,147 +17%
JF
129
Jump Financial
Illinois
$27.3M +$21.1M +99,263 +336%
Tudor Investment Corp
130
Tudor Investment Corp
Connecticut
$26.9M +$26.9M +126,937 New
Victory Capital Management
131
Victory Capital Management
Texas
$26.7M +$1.04M +4,903 +4%
Natixis Advisors
132
Natixis Advisors
Massachusetts
$26.1M -$5.06M -23,827 -16%
Jane Street
133
Jane Street
New York
$26M +$17.5M +82,502 +207%
AIMCA
134
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$24.8M +$5.36M +25,261 +28%
Twin Tree Management
135
Twin Tree Management
Texas
$23.8M +$23.8M +112,301 New
BCM
136
Brown Capital Management
Maryland
$23.4M -$644K -3,035 -3%
Mirae Asset Global ETFs Holdings
137
Mirae Asset Global ETFs Holdings
Hong Kong
$23.3M +$1.35M +6,368 +6%
SPPAM
138
Summit Partners Public Asset Management
Massachusetts
$23.3M +$23.3M +109,869 New
Universal-Beteiligungs- und Servicegesellschaft
139
Universal-Beteiligungs- und Servicegesellschaft
Germany
$23M +$921K +4,340 +4%
CPC
140
Cookson Peirce & Co
Pennsylvania
$22.4M +$22.4M +105,721 New
GCM
141
Glynn Capital Management
California
$22.4M -$9.63M -45,391 -30%
Janus Henderson Group
142
Janus Henderson Group
United Kingdom
$22.2M -$146K -668 -0.7%
ACM
143
Aquatic Capital Management
Illinois
$22.1M -$1.82M -8,560 -8%
SO
144
STRS Ohio
Ohio
$21.9M +$14.3M +67,242 +187%
Aberdeen Group
145
Aberdeen Group
United Kingdom
$21.6M +$11.9M +55,993 +122%
Zurich Cantonal Bank
146
Zurich Cantonal Bank
Switzerland
$21.1M +$846K +3,987 +4%
CCPM
147
Cooper Creek Partners Management
New York
$20.9M -$10.7M -50,585 -34%
MGM
148
Manchester Global Management
United Kingdom
$20.7M +$20.7M +97,538 New
State of Wisconsin Investment Board
149
State of Wisconsin Investment Board
Wisconsin
$20.7M +$1.27M +6,006 +7%
Skandinaviska Enskilda Banken (SEB)
150
Skandinaviska Enskilda Banken (SEB)
Sweden
$20M +$6.24M +29,402 +45%
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