Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Search
Sign in
Sign up
Acadian Asset Management’s
argenx
ARGX
Stock Holding History
Acadian Asset Management’s Portfolio
ARGX Stock Details
ARGX Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
–
Sell
-117,887
Closed
-$99.1M
–
2015
2025
Q4
$99.1M
Buy
117,887
+55,083
+88%
+$47.1M
0.16%
128
2025
Q3
$46.3M
Buy
+62,804
New
+$41.4M
0.08%
207
2023
Q4
–
Sell
-806
Closed
-$396K
–
1667
2023
Q3
$396K
Buy
806
+242
+43%
+$118K
﹤0.01%
1062
2023
Q2
$219K
Buy
+564
New
+$222K
﹤0.01%
1255
2023
Q1
–
Sell
-936
Closed
-$354K
–
1730
2022
Q4
$354K
Sell
936
-394
-30%
-$147K
﹤0.01%
1135
2022
Q3
$469K
Buy
+1,330
New
+$493K
﹤0.01%
1006
2019
Q4
–
Sell
-3
Closed
–
–
1864
2019
Q3
$0
Buy
+3
New
+$406
﹤0.01%
1870
2018
Q3
–
Sell
-87
Closed
-$7K
–
1655
2018
Q2
$7K
Sell
87
-1,847
-96%
-$165K
﹤0.01%
1602
2018
Q1
$156K
Buy
+1,934
New
+$146K
﹤0.01%
1121
Other funds holding ARGX
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
T. Rowe Price Associates
Baltimore, Maryland
$865B AUM
30.76%
1-Year Est. Return
Janus Henderson Group
London, United Kingdom
$209B AUM
37.72%
1-Year Est. Return
Capital World Investors
Los Angeles, California
$733B AUM
35.63%
1-Year Est. Return
Artisan Partners
Milwaukee, Wisconsin
$61.3B AUM
26.25%
1-Year Est. Return
Wellington Management Group
Boston, Massachusetts
$535B AUM
26.23%
1-Year Est. Return
ACA
Avoro Capital Advisors
New York
$10.2B AUM
149.19%
1-Year Est. Return
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
RI
RTW Investments
New York
$10B AUM
135.35%
1-Year Est. Return
Invesco
Atlanta, Georgia
$653B AUM
32.41%
1-Year Est. Return
Sign up
Sign in
Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Theme
Close