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Atlassian
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Overview Fund Activity

801 hedge funds and large institutions have $29.9B invested in Atlassian in 2025 Q2 according to their latest regulatory filings, with 95 funds opening new positions, 348 increasing their positions, 280 reducing their positions, and 122 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
801
Holders Change
-41
Holders Change %
-4.87%
% of All Funds
10.74%
Holding in Top 10
13
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-38.1%
% of All Funds
0.17%
New
95
Increased
348
Reduced
280
Closed
122
Calls
$541M
Puts
$614M
Net Calls
-$73.1M
Net Calls Change
-$165M

Top Buyers

1
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$345M
2
Artisan Partners
Artisan Partners
Wisconsin
+$314M
3
Two Sigma Advisers
Two Sigma Advisers
New York
+$304M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$201M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$153M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$393M
2
Sands Capital Management
Sands Capital Management
Virginia
-$270M
3
Invesco
Invesco
Georgia
-$242M
4
DIG
Dragoneer Investment Group
California
-$236M
5
Citadel Advisors
Citadel Advisors
Florida
-$226M
Name Holding Trade Value Shares
Change 		Shares
Change %
CIS
176
Capital International Sarl
California
$13.3M +$602K +2,964 +5%
EAM
177
Erste Asset Management
Austria
$13.2M +$2.03M +10,000 +18%
Handelsbanken Fonder
178
Handelsbanken Fonder
Sweden
$12.7M +$3.06M +15,072 +32%
SIA
179
Sit Investment Associates
Minnesota
$12.7M +$822K +4,050 +7%
ADEF
180
Adams Diversified Equity Fund
Maryland
$12.7M – – –
CGH
181
Crossmark Global Holdings
Texas
$12.7M -$3.19M -15,707 -20%
MSV
182
MN Services Vermogensbeheer
Netherlands
$12.4M +$1.06M +5,200 +9%
YIH
183
Y-Intercept (HK)
Hong Kong
$12.4M +$5.01M +24,675 +67%
PI
184
PineBridge Investments
New York
$12.2M +$769K +3,786 +7%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
185
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$11.8M -$2.35M -11,584 -17%
AAM
186
Arohi Asset Management
Singapore
$11.5M -$37.7M -185,388 -77%
Robeco Institutional Asset Management
187
Robeco Institutional Asset Management
Netherlands
$11.5M +$906K +4,463 +9%
State of New Jersey Common Pension Fund D
188
State of New Jersey Common Pension Fund D
New Jersey
$11.2M +$124K +611 +1%
RAM
189
Resona Asset Management
Japan
$11.1M +$771K +3,796 +7%
Walleye Trading
190
Walleye Trading
New York
$11M +$5.4M +26,592 +97%
Tudor Investment Corp
191
Tudor Investment Corp
Connecticut
$10.7M -$15.1M -74,244 -58%
Pacer Advisors
192
Pacer Advisors
Pennsylvania
$10.7M -$19.2M -94,698 -64%
A
193
AustralianSuper
Australia
$10.7M +$9.3M +45,796 +675%
WEO
194
William E. Oberndorf
$10.6M – – –
QCM
195
Quantinno Capital Management
New York
$10.3M +$3.77M +18,548 +57%
LF
196
Lansforsakringar Fondforvaltning
Sweden
$10.3M -$473K -2,328 -4%
William Blair & Company
197
William Blair & Company
Illinois
$10.3M -$755K -3,717 -7%
IIM
198
INTECH Investment Management
Florida
$10.2M +$8.02M +39,495 +366%
SI
199
Sora Investors
Pennsylvania
$10.2M +$4.93M +24,285 +94%
QCM
200
Qsemble Capital Management
New York
$10M +$5.03M +24,780 +101%
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