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Gilder Gagnon Howe & Co’s argenx ARGX Stock Holding History

Gilder Gagnon Howe & 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
2026
Q2 		$2.21M Sell
2,380
-4
-0.2% -$3.3K 0.02% 213
2026
Q1 		$1.74M Sell
2,384
-1,387
-37% -$1.09M 0.02% 205
2025
Q4 		$3.17M Sell
3,771
-8
-0.2% -$6.85K 0.03% 170
2025
Q3 		$2.79M Sell
3,779
-38
-1% -$25.1K 0.03% 180
2025
Q2 		$2.1M Sell
3,817
-23
-0.6% -$13.3K 0.02% 176
2025
Q1 		$2.27M Sell
3,840
-55
-1% -$34.7K 0.03% 164
2024
Q4 		$2.4M Sell
3,895
-14
-0.4% -$8.2K 0.03% 182
2024
Q3 		$2.12M Buy
3,909
+76
+2% +$38.4K 0.03% 181
2024
Q2 		$1.65M Sell
3,833
-68
-2% -$26K 0.02% 187
2024
Q1 		$1.54M Sell
3,901
-4,607
-54% -$1.78M 0.02% 196
2023
Q4 		$3.24M Sell
8,508
-1,120
-12% -$522K 0.04% 162
2023
Q3 		$4.73M Sell
9,628
-974
-9% -$476K 0.07% 147
2023
Q2 		$4.13M Buy
10,602
+902
+9% +$355K 0.06% 161
2023
Q1 		$3.61M Sell
9,700
-48
-0.5% -$17.8K 0.06% 151
2022
Q4 		$3.69M Sell
9,748
-17
-0.2% -$6.36K 0.07% 150
2022
Q3 		$3.45M Sell
9,765
-1,169
-11% -$433K 0.06% 152
2022
Q2 		$4.14M Buy
10,934
+23
+0.2% +$7.41K 0.07% 142
2022
Q1 		$3.44M Sell
10,911
-129
-1% -$37.5K 0.03% 199
2021
Q4 		$3.87M Sell
11,040
-121,220
-92% -$36.9M 0.02% 237
2021
Q3 		$39.9M Sell
132,260
-401
-0.3% -$127K 0.21% 110
2021
Q2 		$39.9M Buy
132,661
+9
+0% +$2.56K 0.2% 121
2021
Q1 		$36.5M Sell
132,652
-2,768
-2% -$875K 0.2% 120
2020
Q4 		$39.8M Sell
135,420
-1,359
-1% -$374K 0.2% 118
2020
Q3 		$35.9M Sell
136,779
-3,529
-3% -$849K 0.22% 106
2020
Q2 		$31.6M Buy
140,308
+134,093
+2,158% +$23.8M 0.25% 101
2020
Q1 		$819K Buy
6,215
+17
+0.3% +$2.49K 0.01% 199
2019
Q4 		$995K Sell
6,198
-142,756
-96% -$19.3M 0.01% 226
2019
Q3 		$17M Buy
+148,954
New +$20.1M 0.19% 103

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

Gilder Gagnon Howe & Co's ARGX Position: Q2 2026 in Review

Gilder Gagnon Howe & Co reduced its argenx (ARGX) stake by 0.17% in Q2 2026, selling an estimated $3.3K and leaving 2,380 shares worth $2.21M. The position accounts for 0.02% of the portfolio, ranked #213.

Gilder Gagnon Howe & Co first reported a position in ARGX in Q3 2019 and has held it in 28 quarters since. The position peaked at $39.9M in Q3 2021. 506 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Gilder Gagnon Howe & Co held 2,380 shares of argenx worth $2.21M as of Q2 2026.
  • Gilder Gagnon Howe & Co sold 4 argenx shares in Q2 2026, an estimated $3.3K.
  • argenx made up 0.02% of Gilder Gagnon Howe & Co's portfolio in Q2 2026, its #213 holding.
  • Gilder Gagnon Howe & Co first reported a position in argenx in Q3 2019 and has held it in 28 quarters since.
  • Gilder Gagnon Howe & Co's argenx position peaked at $39.9M in Q3 2021.
  • 506 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Gilder Gagnon Howe & Co's 13F filing for Q2 2026, filed 14 Aug 2026.