Amundi
BIIB icon

Amundi’s Biogen BIIB Stock Holding History

Amundi’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$145M Buy
790,827
+218,398
+38% +$40.2M 0.04% 363
2025
Q4 		$101M Sell
572,429
-45,880
-7% -$7.5M 0.03% 489
2025
Q3 		$95.3M Buy
618,309
+38,512
+7% +$5.21M 0.03% 416
2025
Q2 		$77.2M Sell
579,797
-736,150
-56% -$91.7M 0.03% 473
2025
Q1 		$172M Buy
1,315,947
+98,957
+8% +$14.1M 0.06% 286
2024
Q4 		$183M Buy
1,216,990
+319,478
+36% +$53.9M 0.06% 285
2024
Q3 		$164M Buy
897,512
+212,692
+31% +$44.5M 0.06% 292
2024
Q2 		$154M Sell
684,820
-300,982
-31% -$65.4M 0.06% 281
2024
Q1 		$188M Sell
985,802
-215,904
-18% -$50.6M 0.08% 252
2023
Q4 		$307M Buy
1,201,706
+108,182
+10% +$26.6M 0.14% 170
2023
Q3 		$287M Sell
1,093,524
-93,789
-8% -$25.1M 0.14% 165
2023
Q2 		$339M Buy
1,187,313
+609,020
+105% +$181M 0.17% 140
2023
Q1 		$164M Sell
578,293
-240,340
-29% -$66.5M 0.09% 246
2022
Q4 		$233M Buy
818,633
+169,737
+26% +$47.9M 0.13% 184
2022
Q3 		$170M Buy
648,896
+241,061
+59% +$51.2M 0.1% 221
2022
Q2 		$87.4M Buy
407,835
+60,579
+17% +$12.4M 0.07% 286
2022
Q1 		$73.5M Sell
347,256
-456,338
-57% -$99.2M 0.05% 372
2021
Q4 		$190M Sell
803,594
-51,409
-6% -$13.2M 0.12% 198
2021
Q3 		$242M Buy
855,003
+235,305
+38% +$77.1M 0.17% 149
2021
Q2 		$215M Buy
+619,698
New +$188M 0.15% 164

Other funds holding BIIB

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return