RhumbLine Advisers
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RhumbLine Advisers’s argenx ARGX Stock Holding History

RhumbLine Advisers’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
Q2 		$3.53M Buy
3,808
+56
+1% +$46.2K ﹤0.01% 1641
2026
Q1 		$2.74M Buy
3,752
+1,923
+105% +$1.5M ﹤0.01% 1696
2025
Q4 		$1.54M Buy
1,829
+448
+32% +$383K ﹤0.01% 2010
2025
Q3 		$1.02M Buy
1,381
+36
+3% +$23.7K ﹤0.01% 2226
2025
Q2 		$741K Sell
1,345
-50
-4% -$29K ﹤0.01% 2408
2025
Q1 		$826K Sell
1,395
-2,213
-61% -$1.4M ﹤0.01% 2263
2024
Q4 		$2.22M Buy
3,608
+66
+2% +$38.7K ﹤0.01% 1836
2024
Q3 		$1.92M Buy
3,542
+2,258
+176% +$1.14M ﹤0.01% 1934
2024
Q2 		$552K Sell
1,284
-952
-43% -$364K ﹤0.01% 2605
2024
Q1 		$880K Buy
2,236
+177
+9% +$68.6K ﹤0.01% 2324
2023
Q4 		$783K Sell
2,059
-2
-0.1% -$932 ﹤0.01% 2396
2023
Q3 		$1.01M Sell
2,061
-327
-14% -$160K ﹤0.01% 2203
2023
Q2 		$931K Buy
+2,388
New +$939K ﹤0.01% 2330

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

RhumbLine Advisers's ARGX Position: Q2 2026 in Review

RhumbLine Advisers increased its argenx (ARGX) stake by 1.5% in Q2 2026, buying an estimated $46.2K and bringing the position to 3,808 shares worth $3.53M. The position accounts for ﹤0.01% of the portfolio, ranked #1641.

RhumbLine Advisers first reported a position in ARGX in Q2 2023 and has held it in 13 quarters since. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • RhumbLine Advisers held 3,808 shares of argenx worth $3.53M as of Q2 2026.
  • RhumbLine Advisers bought 56 argenx shares in Q2 2026, an estimated $46.2K.
  • argenx made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #1641 holding.
  • RhumbLine Advisers first reported a position in argenx in Q2 2023 and has held it in 13 quarters since.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.