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Callan Family Office’s argenx ARGX Stock Holding History

Callan Family Office’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 		$1.89M Buy
2,035
+58
+3% +$47.8K 0.04% 410
2026
Q1 		$1.44M Hold
1,977
– – 0.03% 452
2025
Q4 		$1.66M Buy
1,977
+619
+46% +$530K 0.04% 395
2025
Q3 		$1M Sell
1,358
-94
-6% -$62K 0.03% 373
2025
Q2 		$800K Buy
1,452
+1,090
+301% +$633K 0.03% 450
2025
Q1 		$214K Sell
362
-282
-44% -$178K 0.02% 511
2024
Q4 		$396K Buy
+644
New +$377K 0.03% 421

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

Callan Family Office's ARGX Position: Q2 2026 in Review

Callan Family Office increased its argenx (ARGX) stake by 2.9% in Q2 2026, buying an estimated $47.8K and bringing the position to 2,035 shares worth $1.89M. The position accounts for 0.04% of the portfolio, ranked #410.

Callan Family Office first reported a position in ARGX in Q4 2024 and has held it in 7 quarters since. 506 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Callan Family Office held 2,035 shares of argenx worth $1.89M as of Q2 2026.
  • Callan Family Office bought 58 argenx shares in Q2 2026, an estimated $47.8K.
  • argenx made up 0.04% of Callan Family Office's portfolio in Q2 2026, its #410 holding.
  • Callan Family Office first reported a position in argenx in Q4 2024 and has held it in 7 quarters since.
  • 506 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.