Bank of Montreal
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Bank of Montreal’s argenx ARGX Stock Holding History

Bank of Montreal’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 		$62.3M Buy
85,333
+68,956
+421% +$54M 0.02% 481
2025
Q4 		$13.8M Buy
16,377
+6,071
+59% +$5.2M ﹤0.01% 991
2025
Q3 		$7.6M Buy
10,306
+873
+9% +$576K ﹤0.01% 1153
2025
Q2 		$5.2M Buy
9,433
+130
+1% +$75.4K ﹤0.01% 1223
2025
Q1 		$5.51M Buy
9,303
+67
+0.7% +$42.3K ﹤0.01% 1133
2024
Q4 		$5.68M Buy
9,236
+929
+11% +$544K ﹤0.01% 1160
2024
Q3 		$4.45M Buy
8,307
+714
+9% +$361K ﹤0.01% 1377
2024
Q2 		$3.45M Sell
7,593
-15,644
-67% -$5.99M ﹤0.01% 1419
2024
Q1 		$9.27M Sell
23,237
-3,731
-14% -$1.45M ﹤0.01% 1000
2023
Q4 		$10.5M Sell
26,968
-5,167
-16% -$2.41M ﹤0.01% 1018
2023
Q3 		$17M Sell
32,135
-14,671
-31% -$7.18M 0.01% 777
2023
Q2 		$18.7M Buy
46,806
+16,863
+56% +$6.63M 0.01% 768
2023
Q1 		$11.2M Sell
29,943
-33,776
-53% -$12.5M ﹤0.01% 904
2022
Q4 		$25.1M Buy
+63,719
New +$23.8M 0.01% 618
2021
Q2 		– Sell
-156
Closed -$44K – 3713
2021
Q1 		$44K Buy
156
+67
+75% +$21.2K ﹤0.01% 3756
2020
Q4 		$25K Buy
89
+13
+17% +$3.57K ﹤0.01% 4310
2020
Q3 		$20K Buy
+76
New +$18.3K ﹤0.01% 3830
2020
Q1 		– Sell
-862
Closed -$138K – 4084
2019
Q4 		$138K Sell
862
-45
-5% -$6.09K ﹤0.01% 3355
2019
Q3 		$103K Sell
907
-57,534
-98% -$7.78M ﹤0.01% 3270
2019
Q2 		$8.27M Buy
58,441
+22,520
+63% +$2.86M 0.01% 981
2019
Q1 		$4.49M Buy
35,921
+33,528
+1,401% +$3.94M ﹤0.01% 1227
2018
Q4 		$230K Sell
2,393
-260
-10% -$23.1K ﹤0.01% 2507
2018
Q3 		$201K Hold
2,653
– – ﹤0.01% 2743
2018
Q2 		$220K Hold
2,653
– – ﹤0.01% 2716
2018
Q1 		$213K Sell
2,653
-347
-12% -$26.2K ﹤0.01% 2602
2017
Q4 		$189K Buy
+3,000
New +$98.2K ﹤0.01% 2703

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

Bank of Montreal's ARGX Position: Q1 2026 in Review

Bank of Montreal increased its argenx (ARGX) stake by 421% in Q1 2026, buying an estimated $54M and bringing the position to 85,333 shares worth $62.3M. The position accounts for 0.02% of the portfolio, ranked #481.

Bank of Montreal first reported a position in ARGX in Q4 2017 and has held it in 26 quarters since. 476 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Bank of Montreal held 85,333 shares of argenx worth $62.3M as of Q1 2026.
  • Bank of Montreal bought 68,956 argenx shares in Q1 2026, an estimated $54M.
  • argenx made up 0.02% of Bank of Montreal's portfolio in Q1 2026, its #481 holding.
  • Bank of Montreal first reported a position in argenx in Q4 2017 and has held it in 26 quarters since.
  • 476 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.