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Tri Locum Partners’s argenx ARGX Stock Holding History

Tri Locum Partners’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
Q1 		$23.1M Sell
31,635
-6,018
-16% -$4.71M 3.24% 13
2025
Q4 		$31.7M Sell
37,653
-5,758
-13% -$4.93M 4.11% 12
2025
Q3 		$32M Sell
43,411
-4,382
-9% -$2.89M 7.36% 7
2025
Q2 		$26.3M Buy
47,793
+29,949
+168% +$17.4M 8% 4
2025
Q1 		$10.6M Sell
17,844
-40,414
-69% -$25.5M 5.42% 8
2024
Q4 		$35.8M Sell
58,258
-4,216
-7% -$2.47M 7.42% 3
2024
Q3 		$33.9M Sell
62,474
-12,084
-16% -$6.11M 8.11% 5
2024
Q2 		$32.1M Buy
74,558
+46,577
+166% +$17.8M 8.11% 2
2024
Q1 		$11M Buy
27,981
+3,799
+16% +$1.47M 3.82% 13
2023
Q4 		$9.2M Buy
24,182
+9,836
+69% +$4.58M 4.21% 12
2023
Q3 		$7.05M Buy
+14,346
New +$7.02M 2.26% 15
2023
Q1 		– Sell
-1,299
Closed -$492K – 52
2022
Q4 		$492K Sell
1,299
-62,853
-98% -$23.5M 0.2% 35
2022
Q3 		$22.6M Sell
64,152
-18,583
-22% -$6.88M 6.22% 3
2022
Q2 		$31.3M Buy
82,735
+46,855
+131% +$15.1M 12.84% 1
2022
Q1 		$11.3M Sell
35,880
-12,467
-26% -$3.62M 4.42% 9
2021
Q4 		$16.9M Buy
+48,347
New +$14.7M 6.67% 4
2021
Q3 		– Sell
-6,408
Closed -$1.93M – 30
2021
Q2 		$1.93M Buy
+6,408
New +$1.82M 0.63% 25

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Tri Locum Partners's ARGX Position: Q1 2026 in Review

Tri Locum Partners reduced its argenx (ARGX) stake by 16% in Q1 2026, selling an estimated $4.71M and leaving 31,635 shares worth $23.1M. The position accounts for 3.24% of the portfolio, ranked #13.

Tri Locum Partners first reported a position in ARGX in Q2 2021 and has held it in 17 quarters since. The position peaked at $35.8M in Q4 2024. 475 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Tri Locum Partners held 31,635 shares of argenx worth $23.1M as of Q1 2026.
  • Tri Locum Partners sold 6,018 argenx shares in Q1 2026, an estimated $4.71M.
  • argenx made up 3.24% of Tri Locum Partners's portfolio in Q1 2026, its #13 holding.
  • Tri Locum Partners first reported a position in argenx in Q2 2021 and has held it in 17 quarters since.
  • Tri Locum Partners's argenx position peaked at $35.8M in Q4 2024.
  • 475 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Tri Locum Partners's 13F filing for Q1 2026, filed 18 May 2026.