NMERB
BIIB icon

New Mexico Educational Retirement Board’s Biogen BIIB Stock Holding History

New Mexico Educational Retirement Board’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 		$1.56M Buy
7,224
+400
+6% +$76.5K 0.04% 504
2026
Q1 		$1.25M Hold
6,824
– – 0.04% 541
2025
Q4 		$1.2M Buy
6,824
+200
+3% +$32.7K 0.04% 566
2025
Q3 		$928K Sell
6,624
-200
-3% -$27K 0.03% 678
2025
Q2 		$857K Hold
6,824
– – 0.03% 691
2025
Q1 		$934K Sell
6,824
-100
-1% -$14.3K 0.03% 643
2024
Q4 		$1.06M Sell
6,924
-200
-3% -$33.7K 0.04% 603
2024
Q3 		$1.38M Sell
7,124
-200
-3% -$41.8K 0.05% 483
2024
Q2 		$1.7M Hold
7,324
– – 0.06% 355
2024
Q1 		$1.58M Sell
7,324
-200
-3% -$46.8K 0.06% 395
2023
Q4 		$1.95M Hold
7,524
– – 0.07% 268
2023
Q3 		$1.93M Buy
7,524
+500
+7% +$134K 0.08% 230
2023
Q2 		$2M Buy
7,024
+400
+6% +$119K 0.09% 214
2023
Q1 		$1.84M Sell
6,624
-300
-4% -$83K 0.09% 207
2022
Q4 		$1.92M Sell
6,924
-600
-8% -$169K 0.1% 185
2022
Q3 		$2.01M Sell
7,524
-600
-7% -$127K 0.11% 168
2022
Q2 		$1.66M Sell
8,124
-400
-5% -$81.8K 0.08% 235
2022
Q1 		$1.79M Sell
8,524
-600
-7% -$130K 0.07% 304
2021
Q4 		$2.19M Sell
9,124
-700
-7% -$180K 0.07% 269
2021
Q3 		$2.78M Sell
9,824
-300
-3% -$98.3K 0.1% 187
2021
Q2 		$3.51M Buy
10,124
+100
+1% +$30.3K 0.12% 148
2021
Q1 		$2.8M Hold
10,024
– – 0.11% 154
2020
Q4 		$2.45M Sell
10,024
-400
-4% -$103K 0.1% 170
2020
Q3 		$2.96M Sell
10,424
-1,700
-14% -$474K 0.14% 135
2020
Q2 		$3.24M Buy
12,124
+800
+7% +$240K 0.15% 125
2020
Q1 		$3.58M Sell
11,324
-3,650
-24% -$1.11M 0.22% 90
2019
Q4 		$4.44M Hold
14,974
– – 0.19% 107
2019
Q3 		$3.49M Sell
14,974
-1,100
-7% -$256K 0.16% 131
2019
Q2 		$3.76M Sell
16,074
-700
-4% -$162K 0.16% 125
2019
Q1 		$3.96M Sell
16,774
-400
-2% -$126K 0.17% 114
2018
Q4 		$5.17M Sell
17,174
-1,600
-9% -$511K 0.25% 80
2018
Q3 		$6.63M Sell
18,774
-700
-4% -$241K 0.25% 75
2018
Q2 		$5.65M Sell
19,474
-700
-3% -$197K 0.22% 82
2018
Q1 		$5.52M Sell
20,174
-100
-0.5% -$31K 0.21% 94
2017
Q4 		$6.46M Buy
20,274
+400
+2% +$128K 0.24% 80
2017
Q3 		$6.22M Hold
19,874
– – 0.3% 81
2017
Q2 		$5.75M Sell
19,874
-2,000
-9% -$529K 0.28% 91
2017
Q1 		$5.98M Sell
21,874
-1,500
-6% -$424K 0.28% 87
2016
Q4 		$6.63M Buy
23,374
+1,200
+5% +$356K 0.31% 76
2016
Q3 		$6.94M Sell
22,174
-3,400
-13% -$1.01M 0.35% 63
2016
Q2 		$6.18M Buy
25,574
+900
+4% +$237K 0.28% 87
2016
Q1 		$6.42M Buy
24,674
+500
+2% +$132K 0.31% 74
2015
Q4 		$7.41M Sell
24,174
-2,300
-9% -$661K 0.35% 66
2015
Q3 		$7.72M Buy
26,474
+1,700
+7% +$561K 0.38% 64
2015
Q2 		$10M Sell
24,774
-2,600
-9% -$1.04M 0.49% 45
2015
Q1 		$11.6M Sell
27,374
-1,200
-4% -$473K 0.51% 43
2014
Q4 		$9.7M Sell
28,574
-3,100
-10% -$1M 0.41% 52
2014
Q3 		$10.5M Buy
31,674
+300
+1% +$98.9K 0.43% 49
2014
Q2 		$9.89M Buy
31,374
+500
+2% +$150K 0.41% 53
2014
Q1 		$9.44M Buy
+30,874
New +$9.8M 0.4% 57
2013
Q3 		– Sell
-37,574
Closed -$8.09M – 647
2013
Q2 		$8.09M Buy
+37,574
New +$8.03M 0.33% 71

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

New Mexico Educational Retirement Board's BIIB Position: Q2 2026 in Review

New Mexico Educational Retirement Board increased its Biogen (BIIB) stake by 5.9% in Q2 2026, buying an estimated $76.5K and bringing the position to 7,224 shares worth $1.56M. The position accounts for 0.04% of the portfolio, ranked #504.

New Mexico Educational Retirement Board first reported a position in BIIB in Q2 2013 and has held it in 51 quarters since. The position peaked at $11.6M in Q1 2015. 405 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • New Mexico Educational Retirement Board held 7,224 shares of Biogen worth $1.56M as of Q2 2026.
  • New Mexico Educational Retirement Board bought 400 Biogen shares in Q2 2026, an estimated $76.5K.
  • Biogen made up 0.04% of New Mexico Educational Retirement Board's portfolio in Q2 2026, its #504 holding.
  • New Mexico Educational Retirement Board first reported a position in Biogen in Q2 2013 and has held it in 51 quarters since.
  • New Mexico Educational Retirement Board's Biogen position peaked at $11.6M in Q1 2015.
  • 405 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on New Mexico Educational Retirement Board's 13F filing for Q2 2026, filed 29 Jul 2026.