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Cookson Peirce & Co’s argenx ARGX Stock Holding History

Cookson Peirce & Co’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
2025
Q3 		– Sell
-22,239
Closed -$12.3M – 310
2025
Q2 		$12.3M Sell
22,239
-1,538
-6% -$893K 0.54% 56
2025
Q1 		$14.1M Buy
23,777
+294
+1% +$186K 0.71% 44
2024
Q4 		$14.4M Sell
23,483
-83
-0.4% -$48.6K 0.65% 43
2024
Q3 		$12.8M Buy
+23,566
New +$11.9M 0.6% 47

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
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Cookson Peirce & Co's ARGX Position: Q3 2025 in Review

Cookson Peirce & Co sold out of argenx (ARGX) in Q3 2025, closing a stake of 22,239 shares — an estimated $12.3M sold.

Cookson Peirce & Co first reported a position in ARGX in Q3 2024 and held it in 4 quarters. The position peaked at $14.4M in Q4 2024. 469 funds tracked by Wall St. Rank hold ARGX as of Q3 2025.

  • Cookson Peirce & Co reported no remaining argenx position as of Q3 2025 after selling out during the quarter.
  • Cookson Peirce & Co sold 22,239 argenx shares in Q3 2025, an estimated $12.3M.
  • Cookson Peirce & Co first reported a position in argenx in Q3 2024 and held it in 4 quarters.
  • Cookson Peirce & Co's argenx position peaked at $14.4M in Q4 2024.
  • 469 funds tracked by Wall St. Rank held argenx as of Q3 2025.

Based on Cookson Peirce & Co's 13F filing for Q3 2025, filed 6 Nov 2025.