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Atlassian
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Overview Fund Activity

842 hedge funds and large institutions have $30.8B invested in Atlassian in 2025 Q1 according to their latest regulatory filings, with 156 funds opening new positions, 372 increasing their positions, 231 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
842
Holders Change
+53
Holders Change %
+6.72%
% of All Funds
11.44%
Holding in Top 10
21
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+23.53%
% of All Funds
0.29%
New
156
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
+$210M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$153M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$142M
4
BlackRock
BlackRock
New York
+$135M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$131M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$934M
2
DCP
Durable Capital Partners
Maryland
-$383M
3
Capital International Investors
Capital International Investors
California
-$248M
4
WCM Investment Management
WCM Investment Management
California
-$197M
5
WRCM
Whale Rock Capital Management
Massachusetts
-$171M
Name Holding Trade Value Shares
Change 		Shares
Change %
ECM
851
ExodusPoint Capital Management
New York
– -$12.5M -51,268 Closed
BFM
852
Boothbay Fund Management
New York
– -$9.31M -38,263 Closed
CCS
853
Concentric Capital Strategies
Connecticut
– -$8.38M -34,452 Closed
CM
854
Crestline Management
Texas
– -$8.32M -34,192 Closed
WCA
855
Whetstone Capital Advisors
Kansas
– -$7.68M -31,573 Closed
LCM
856
Laurion Capital Management
New York
– -$7.56M -31,046 Closed
EP
857
Essential Planning
New Hampshire
– -$6.67M -29,250 Closed
SCM
858
Sandler Capital Management
New York
– -$3.28M -13,476 Closed
Janney Montgomery Scott
859
Janney Montgomery Scott
Pennsylvania
– -$3.15M -12,958 Closed
Group One Trading
860
Group One Trading
Illinois
– -$2.67M -10,958 Closed
TCM
861
Tybourne Capital Management
Hong Kong
– -$2.57M -10,573 Closed
Simplex Trading
862
Simplex Trading
Illinois
– -$2.36M -9,717 Closed
CFA
863
Camarda Financial Advisors
Florida
– -$2.08M -8,544 Closed
WHP
864
Washington Harbour Partners
Virginia
– -$2M -8,200 Closed
HCA
865
Harbor Capital Advisors
Illinois
– -$1.87M -7,699 Closed
UOTTAIMCU
866
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
– -$1.73M -7,120 Closed
PAMP
867
Polar Asset Management Partners
Ontario, Canada
– -$1.61M -6,600 Closed
SSIM
868
Sheets Smith Investment Management
Texas
– -$1.58M -6,492 Closed
AA
869
ABC Arbitrage
France
– -$1.5M -6,145 Closed
AI
870
Atom Investors
Texas
– -$1.46M -6,008 Closed
SRL
871
Scientech Research LLC
New Jersey
– -$1.43M -5,865 Closed
NWM
872
Napa Wealth Management
California
– -$1.4M -5,747 Closed
PAS
873
Park Avenue Securities
New York
– -$1.16M -4,757 Closed
WI
874
WBI Investments
New Jersey
– -$876K -3,600 Closed
BFG
875
Bleakley Financial Group
New Jersey
– -$777K -3,193 Closed
33 34
35
36 37