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Tandem Capital Management’s argenx ARGX Stock Holding History

Tandem Capital 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
Q2 		$619K Sell
667
-28
-4% -$23.1K 0.26% 83
2026
Q1 		$508K Sell
695
-60
-8% -$47K 0.25% 80
2025
Q4 		$635K Sell
755
-72
-9% -$61.6K 0.29% 79
2025
Q3 		$610K Buy
827
+10
+1% +$6.59K 0.28% 77
2025
Q2 		$450K Buy
+817
New +$474K 0.23% 85

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

Tandem Capital Management's ARGX Position: Q2 2026 in Review

Tandem Capital Management reduced its argenx (ARGX) stake by 4% in Q2 2026, selling an estimated $23.1K and leaving 667 shares worth $619K. The position accounts for 0.26% of the portfolio, ranked #83.

Tandem Capital Management first reported a position in ARGX in Q2 2025 and has held it in 5 quarters since. The position peaked at $635K in Q4 2025. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Tandem Capital Management held 667 shares of argenx worth $619K as of Q2 2026.
  • Tandem Capital Management sold 28 argenx shares in Q2 2026, an estimated $23.1K.
  • argenx made up 0.26% of Tandem Capital Management's portfolio in Q2 2026, its #83 holding.
  • Tandem Capital Management first reported a position in argenx in Q2 2025 and has held it in 5 quarters since.
  • Tandem Capital Management's argenx position peaked at $635K in Q4 2025.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Tandem Capital Management's 13F filing for Q2 2026, filed 11 Aug 2026.