Mirae Asset Global Investments
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Mirae Asset Global Investments’s Biogen BIIB Stock Holding History

Mirae Asset Global Investments’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
Q2 		$12.7M Buy
58,746
+18,508
+46% +$3.54M 0.02% 405
2026
Q1 		$7.38M Buy
40,238
+5,131
+15% +$945K ﹤0.01% 450
2025
Q4 		$6.18M Sell
35,107
-31,903
-48% -$5.21M 0.02% 499
2025
Q3 		$9.39M Buy
67,010
+5,987
+10% +$809K 0.03% 384
2025
Q2 		$7.66M Buy
61,023
+5,939
+11% +$740K 0.03% 392
2025
Q1 		$7.62M Buy
55,084
+7,531
+16% +$1.08M 0.03% 379
2024
Q4 		$7.19M Buy
47,553
+4,848
+11% +$818K 0.03% 372
2024
Q3 		$8.31M Buy
42,705
+7,510
+21% +$1.57M 0.04% 323
2024
Q2 		$8.05M Sell
35,195
-119,133
-77% -$25.9M 0.04% 287
2024
Q1 		$39.4M Sell
154,328
-6,396
-4% -$1.5M 0.09% 226
2023
Q4 		$41.6M Sell
160,724
-3,719
-2% -$913K 0.08% 229
2023
Q3 		$42.3M Buy
164,443
+23,282
+16% +$6.23M 0.09% 209
2023
Q2 		$40.2M Sell
141,161
-5,224
-4% -$1.56M 0.09% 229
2023
Q1 		$40.7M Sell
146,385
-43,106
-23% -$11.9M 0.09% 218
2022
Q4 		$52.5M Buy
189,491
+7,932
+4% +$2.24M 0.14% 173
2022
Q3 		$48.5M Buy
181,559
+23,060
+15% +$4.9M 0.13% 170
2022
Q2 		$32.3M Buy
158,499
+28,439
+22% +$5.81M 0.08% 273
2022
Q1 		$27.4M Buy
130,060
+25,663
+25% +$5.58M 0.06% 344
2021
Q4 		$25M Buy
104,397
+18,669
+22% +$4.8M 0.05% 394
2021
Q3 		$24.3M Buy
85,728
+16,459
+24% +$5.39M 0.06% 367
2021
Q2 		$24M Buy
69,269
+16,014
+30% +$4.85M 0.07% 356
2021
Q1 		$14.9M Sell
53,255
-24,445
-31% -$6.59M 0.05% 413
2020
Q4 		$19M Buy
77,700
+10,217
+15% +$2.64M 0.07% 325
2020
Q3 		$19.1M Buy
67,483
+8,524
+14% +$2.38M 0.1% 251
2020
Q2 		$15.8M Buy
58,959
+4,798
+9% +$1.44M 0.1% 241
2020
Q1 		$17.1M Buy
54,161
+9,895
+22% +$3M 0.13% 157
2019
Q4 		$13.1M Buy
44,266
+6,534
+17% +$1.81M 0.08% 289
2019
Q3 		$8.79M Buy
37,732
+1,710
+5% +$398K 0.06% 350
2019
Q2 		$8.48M Buy
36,022
+3,525
+11% +$814K 0.06% 334
2019
Q1 		$7.65M Buy
32,497
+2,467
+8% +$777K 0.06% 318
2018
Q4 		$9.04M Buy
30,030
+2,494
+9% +$796K 0.08% 260
2018
Q3 		$9.75M Sell
27,536
-2,173
-7% -$748K 0.07% 267
2018
Q2 		$8.61M Buy
29,709
+1,292
+5% +$363K 0.12% 119
2018
Q1 		$7.78M Buy
28,417
+4,539
+19% +$1.41M 0.1% 134
2017
Q4 		$7.61M Buy
23,878
+2,099
+10% +$673K 0.1% 138
2017
Q3 		$6.8M Buy
21,779
+3,617
+20% +$1.07M 0.12% 136
2017
Q2 		$4.93M Buy
18,162
+3,457
+24% +$914K 0.09% 153
2017
Q1 		$4.02M Sell
14,705
-52,398
-78% -$14.8M 0.08% 170
2016
Q4 		$19M Sell
67,103
-4,988
-7% -$1.48M 0.43% 58
2016
Q3 		$22.6M Sell
72,091
-6,038
-8% -$1.79M 0.47% 52
2016
Q2 		$18.9M Buy
78,129
+3,122
+4% +$823K 0.49% 51
2016
Q1 		$19.5M Sell
75,007
-17,473
-19% -$4.62M 0.53% 48
2015
Q4 		$28.3M Buy
92,480
+10,511
+13% +$3.02M 0.94% 26
2015
Q3 		$23.9M Sell
81,969
-3,049
-4% -$1.01M 0.98% 24
2015
Q2 		$34.3M Sell
85,018
-214
-0.3% -$85.9K 1.1% 24
2015
Q1 		$36M Sell
85,232
-26,737
-24% -$10.5M 1.22% 22
2014
Q4 		$38M Buy
111,969
+41,427
+59% +$13.4M 1.38% 24
2014
Q3 		$23.3M Sell
70,542
-16,318
-19% -$5.38M 0.84% 40
2014
Q2 		$27.4M Buy
86,860
+83,231
+2,293% +$25.1M 0.61% 43
2014
Q1 		$1.11M Buy
3,629
+2,877
+383% +$913K 0.03% 233
2013
Q4 		$211K Buy
+752
New +$195K 0.01% 410

Other funds holding BIIB

Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
AAMU
AEGON Asset Management (UK) Edinburgh, United Kingdom $9.38B AUM 48.94% 1-Year Est. Return
Walleye Trading
Walleye Trading New York $87.6B AUM 68.17% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

Mirae Asset Global Investments's BIIB Position: Q2 2026 in Review

Mirae Asset Global Investments increased its Biogen (BIIB) stake by 46% in Q2 2026, buying an estimated $3.54M and bringing the position to 58,746 shares worth $12.7M. The position accounts for 0.02% of the portfolio, ranked #405.

Mirae Asset Global Investments first reported a position in BIIB in Q4 2013 and has held it in 51 quarters since. The position peaked at $52.5M in Q4 2022. 430 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Mirae Asset Global Investments held 58,746 shares of Biogen worth $12.7M as of Q2 2026.
  • Mirae Asset Global Investments bought 18,508 Biogen shares in Q2 2026, an estimated $3.54M.
  • Biogen made up 0.02% of Mirae Asset Global Investments's portfolio in Q2 2026, its #405 holding.
  • Mirae Asset Global Investments first reported a position in Biogen in Q4 2013 and has held it in 51 quarters since.
  • Mirae Asset Global Investments's Biogen position peaked at $52.5M in Q4 2022.
  • 430 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Mirae Asset Global Investments's 13F filing for Q2 2026, filed 22 Jul 2026.