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OMERS Administration Corp’s argenx ARGX Stock Holding History

OMERS Administration Corp’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
Q4 		– Sell
-1,700
Closed -$1.25M – 1057
2025
Q3 		$1.25M Buy
+1,700
New +$1.12M 0.01% 513
2025
Q2 		– Sell
-4,900
Closed -$2.9M – 878
2025
Q1 		$2.9M Buy
+4,900
New +$3.09M 0.03% 260
2024
Q1 		– Sell
-2,400
Closed -$913K – 453
2023
Q4 		$913K Buy
+2,400
New +$1.12M 0.01% 158

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

OMERS Administration Corp's ARGX Position: Q4 2025 in Review

OMERS Administration Corp sold out of argenx (ARGX) in Q4 2025, closing a stake of 1,700 shares — an estimated $1.25M sold.

OMERS Administration Corp first reported a position in ARGX in Q4 2023 and held it in 3 quarters. The position peaked at $2.9M in Q1 2025. 507 funds tracked by Wall St. Rank hold ARGX as of Q4 2025.

  • OMERS Administration Corp reported no remaining argenx position as of Q4 2025 after selling out during the quarter.
  • OMERS Administration Corp sold 1,700 argenx shares in Q4 2025, an estimated $1.25M.
  • OMERS Administration Corp first reported a position in argenx in Q4 2023 and held it in 3 quarters.
  • OMERS Administration Corp's argenx position peaked at $2.9M in Q1 2025.
  • 507 funds tracked by Wall St. Rank held argenx as of Q4 2025.

Based on OMERS Administration Corp's 13F filing for Q4 2025, filed 13 Feb 2026.