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Mariner’s
argenx
ARGX
Stock Holding History
Mariner’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
$2.64M
Sell
3,618
-136
-4%
-$106K
﹤0.01%
1381
2025
Q4
$3.16M
Buy
3,754
+371
+11%
+$318K
﹤0.01%
1238
2025
Q3
$2.5M
Buy
3,383
+89
+3%
+$58.7K
﹤0.01%
1297
2025
Q2
$1.82M
Sell
3,294
-323
-9%
-$187K
﹤0.01%
1400
2025
Q1
$2.14M
Sell
3,617
-94
-3%
-$59.3K
﹤0.01%
1200
2024
Q4
$2.28M
Buy
3,711
+509
+16%
+$298K
﹤0.01%
1142
2024
Q3
$1.73M
Buy
3,202
+428
+15%
+$216K
﹤0.01%
1268
2024
Q2
$1.19M
Buy
2,774
+105
+4%
+$40.2K
﹤0.01%
1393
2024
Q1
$1.05M
Sell
2,669
-55
-2%
-$21.3K
﹤0.01%
1465
2023
Q4
$1.04M
Sell
2,724
-40
-1%
-$18.6K
﹤0.01%
1408
2023
Q3
$1.36M
Buy
2,764
+733
+36%
+$359K
﹤0.01%
1166
2023
Q2
$790K
Sell
2,031
-479
-19%
-$188K
﹤0.01%
1447
2023
Q1
$934K
Sell
2,510
-4
-0.2%
-$1.48K
﹤0.01%
1301
2022
Q4
$952K
Sell
2,514
-212
-8%
-$79.3K
﹤0.01%
1270
2022
Q3
$962K
Buy
+2,726
New
+$1.01M
﹤0.01%
1072
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
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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
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