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Tokio Marine Asset Management’s Biogen BIIB Stock Holding History

Tokio Marine Asset Management’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 		$1.39M Hold
6,428
– – 0.04% 317
2026
Q1 		$1.18M Buy
6,428
+859
+15% +$158K 0.04% 328
2025
Q4 		$980K Hold
5,569
– – 0.03% 361
2025
Q3 		$780K Hold
5,569
– – 0.03% 402
2025
Q2 		$699K Buy
5,569
+396
+8% +$49.3K 0.03% 414
2025
Q1 		$708K Buy
5,173
+901
+21% +$129K 0.03% 399
2024
Q4 		$653K Hold
4,272
– – 0.02% 410
2024
Q3 		$828K Buy
4,272
+754
+21% +$158K 0.04% 330
2024
Q2 		$816K Buy
3,518
+110
+3% +$23.9K 0.04% 309
2024
Q1 		$735K Buy
3,408
+465
+16% +$109K 0.04% 331
2023
Q4 		$762K Hold
2,943
– – 0.04% 306
2023
Q3 		$756K Hold
2,943
– – 0.05% 267
2023
Q2 		$838K Buy
2,943
+174
+6% +$51.8K 0.05% 240
2023
Q1 		$770K Buy
2,769
+243
+10% +$67.2K 0.05% 244
2022
Q4 		$700K Buy
2,526
+309
+14% +$87.3K 0.05% 236
2022
Q3 		$592K Buy
2,217
+285
+15% +$60.5K 0.05% 231
2022
Q2 		$394K Buy
1,932
+185
+11% +$37.8K 0.03% 306
2022
Q1 		$368K Sell
1,747
-58
-3% -$12.6K 0.03% 332
2021
Q4 		$433K Buy
1,805
+267
+17% +$68.7K 0.03% 280
2021
Q3 		$435K Buy
1,538
+176
+13% +$57.7K 0.04% 261
2021
Q2 		$472K Buy
1,362
+279
+26% +$84.5K 0.04% 225
2021
Q1 		$303K Sell
1,083
-1,395
-56% -$376K 0.03% 283
2020
Q4 		$607K Buy
2,478
+70
+3% +$18.1K 0.07% 158
2020
Q3 		$683K Buy
2,408
+1,500
+165% +$418K 0.09% 122
2020
Q2 		$243K Buy
908
+53
+6% +$15.9K 0.03% 219
2020
Q1 		$271K Buy
855
+171
+25% +$51.9K 0.05% 171
2019
Q4 		$203K Buy
+684
New +$190K 0.03% 234
2019
Q1 		– Sell
-13,016
Closed -$3.92M – 211
2018
Q4 		$3.92M Buy
13,016
+39
+0.3% +$12.4K 0.79% 34
2018
Q3 		$4.58M Sell
12,977
-40
-0.3% -$13.8K 0.8% 34
2018
Q2 		$3.78M Buy
13,017
+2
+0% +$562 0.69% 39
2018
Q1 		$3.56M Buy
13,015
+4,819
+59% +$1.5M 0.63% 46
2017
Q4 		$2.61M Sell
8,196
-453
-5% -$145K 0.39% 64
2017
Q3 		$2.71M Sell
8,649
-706
-8% -$209K 0.41% 70
2017
Q2 		$2.54M Sell
9,355
-1,160
-11% -$307K 0.36% 75
2017
Q1 		$2.88M Sell
10,515
-5,055
-32% -$1.43M 0.38% 72
2016
Q4 		$4.42M Sell
15,570
-5,823
-27% -$1.73M 0.51% 60
2016
Q3 		$6.7M Sell
21,393
-2,805
-12% -$831K 0.73% 41
2016
Q2 		$5.85M Sell
24,198
-242
-1% -$63.8K 0.6% 48
2016
Q1 		$6.36M Buy
24,440
+1,056
+5% +$279K 0.64% 43
2015
Q4 		$7.16M Sell
23,384
-3,776
-14% -$1.09M 0.79% 34
2015
Q3 		$7.93M Buy
27,160
+2,773
+11% +$916K 0.83% 30
2015
Q2 		$9.85M Buy
24,387
+1,618
+7% +$649K 0.97% 24
2015
Q1 		$9.61M Sell
22,769
-5,816
-20% -$2.29M 0.89% 28
2014
Q4 		$9.7M Sell
28,585
-14,285
-33% -$4.62M 0.84% 28
2014
Q3 		$14.2M Sell
42,870
-2,382
-5% -$785K 1.03% 12
2014
Q2 		$14.3M Buy
45,252
+18,819
+71% +$5.66M 0.97% 17
2014
Q1 		$8.09M Sell
26,433
-871
-3% -$276K 0.52% 45
2013
Q4 		$7.63M Sell
27,304
-1,436
-5% -$371K 0.47% 49
2013
Q3 		$6.92M Sell
28,740
-3,511
-11% -$786K 0.44% 53
2013
Q2 		$6.94M Buy
+32,251
New +$6.89M 0.44% 49

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
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
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
ECSS
Eurizon Capital SGR SpA Milan $37.3B AUM
ADEF
Adams Diversified Equity Fund Baltimore, Maryland $3.27B AUM 45.57% 1-Year Est. Return

Tokio Marine Asset Management's BIIB Position: Q2 2026 in Review

Tokio Marine Asset Management held its Biogen (BIIB) position steady in Q2 2026 at 6,428 shares worth $1.39M. The position accounts for 0.04% of the portfolio, ranked #317.

Tokio Marine Asset Management first reported a position in BIIB in Q2 2013 and has held it in 50 quarters since. The position peaked at $14.3M in Q2 2014. 405 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Tokio Marine Asset Management held 6,428 shares of Biogen worth $1.39M as of Q2 2026.
  • Tokio Marine Asset Management left its Biogen share count unchanged in Q2 2026.
  • Biogen made up 0.04% of Tokio Marine Asset Management's portfolio in Q2 2026, its #317 holding.
  • Tokio Marine Asset Management first reported a position in Biogen in Q2 2013 and has held it in 50 quarters since.
  • Tokio Marine Asset Management's Biogen position peaked at $14.3M in Q2 2014.
  • 405 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Tokio Marine Asset Management's 13F filing for Q2 2026, filed 30 Jul 2026.