Westfield Capital Management
ARGX icon

Westfield Capital Management’s argenx ARGX Stock Holding History

Westfield 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 		$53M Buy
+57,082
New +$47.1M 0.17% 152
2025
Q1 		– Sell
-1,048
Closed -$645K – 248
2024
Q4 		$645K Sell
1,048
-5
-0.5% -$2.93K ﹤0.01% 225
2024
Q3 		$571K Buy
+1,053
New +$532K ﹤0.01% 237

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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

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

Westfield Capital Management opened a new position in argenx (ARGX) in Q2 2026: 57,082 shares worth $53M. The stake represents 0.17% of the portfolio and ranks #152 among its holdings. This is a return to the name: Westfield Capital Management previously reported a position in ARGX as recently as Q4 2024.

Westfield Capital Management first reported a position in ARGX in Q3 2024 and has held it in 3 quarters since. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Westfield Capital Management held 57,082 shares of argenx worth $53M as of Q2 2026.
  • argenx was a new Westfield Capital Management position in Q2 2026.
  • argenx made up 0.17% of Westfield Capital Management's portfolio in Q2 2026, its #152 holding.
  • Westfield Capital Management first reported a position in argenx in Q3 2024 and has held it in 3 quarters since.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.