State of Tennessee, Department of Treasury’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$7.2M Sell
39,265
-32,202
-45% -$5.93M 0.02% 467
2025
Q4
$12.9M Sell
71,467
-13,996
-16% -$2.29M 0.04% 351
2025
Q3
$12M Buy
85,463
+48,919
+134% +$6.61M 0.04% 341
2025
Q2
$4.59M Sell
36,544
-7,953
-18% -$991K 0.02% 576
2025
Q1
$6.09M Buy
44,497
+26,195
+143% +$3.74M 0.02% 465
2024
Q4
$2.8M Sell
18,302
-1,027
-5% -$173K 0.01% 764
2024
Q3
$3.75M Sell
19,329
-41,870
-68% -$8.76M 0.01% 654
2024
Q2
$14.2M Buy
61,199
+20,831
+52% +$4.53M 0.05% 295
2024
Q1
$8.7M Sell
40,368
-23,028
-36% -$5.39M 0.03% 428
2023
Q4
$16.4M Buy
63,396
+26,350
+71% +$6.47M 0.06% 268
2023
Q3
$9.52M Sell
37,046
-711
-2% -$190K 0.04% 360
2023
Q2
$10.8M Sell
37,757
-5,391
-12% -$1.6M 0.05% 300
2023
Q1
$12M Buy
43,148
+6,964
+19% +$1.93M 0.05% 284
2022
Q4
$10M Sell
36,184
-1,758
-5% -$497K 0.05% 310
2022
Q3
$10.1M Hold
37,942
0.05% 298
2022
Q2
$7.74M Buy
37,942
+13,662
+56% +$2.79M 0.04% 347
2022
Q1
$5.11M Sell
24,280
-774
-3% -$168K 0.02% 523
2021
Q4
$6.01M Sell
25,054
-91,685
-79% -$23.6M 0.02% 490
2021
Q3
$33M Buy
116,739
+89,922
+335% +$29.5M 0.13% 168
2021
Q2
$9.29M Sell
26,817
-271
-1% -$82.1K 0.04% 350
2021
Q1
$7.58M Sell
27,088
-529
-2% -$143K 0.03% 391
2020
Q4
$6.76M Sell
27,617
-4,351
-14% -$1.12M 0.03% 414
2020
Q3
$9.07M Sell
31,968
-1,585
-5% -$442K 0.04% 323
2020
Q2
$8.98M Sell
33,553
-24,245
-42% -$7.29M 0.04% 306
2020
Q1
$18.3M Sell
57,798
-8,764
-13% -$2.66M 0.1% 188
2019
Q4
$19.8M Buy
66,562
+20,786
+45% +$5.77M 0.09% 219
2019
Q3
$10.7M Sell
45,776
-13,545
-23% -$3.15M 0.05% 304
2019
Q2
$13.9M Sell
59,321
-8,665
-13% -$2M 0.07% 251
2019
Q1
$16.1M Sell
67,986
-2,991
-4% -$942K 0.08% 253
2018
Q4
$21.4M Sell
70,977
-1,443
-2% -$461K 0.12% 201
2018
Q3
$25.6M Sell
72,420
-11,299
-13% -$3.89M 0.12% 189
2018
Q2
$24.3M Sell
83,719
-9,669
-10% -$2.72M 0.12% 204
2018
Q1
$25.6M Sell
93,388
-61,376
-40% -$19.1M 0.13% 190
2017
Q4
$49.3M Buy
154,764
+5,986
+4% +$1.92M 0.22% 120
2017
Q3
$46.6M Sell
148,778
-40,206
-21% -$11.9M 0.24% 109
2017
Q2
$51.3M Sell
188,984
-14,167
-7% -$3.75M 0.25% 100
2017
Q1
$55.5M Sell
203,151
-3,105
-2% -$878K 0.26% 85
2016
Q4
$58.5M Sell
206,256
-44,316
-18% -$13.1M 0.31% 69
2016
Q3
$78.4M Sell
250,572
-93,550
-27% -$27.7M 0.38% 55
2016
Q2
$83.2M Buy
344,122
+117,286
+52% +$30.9M 0.42% 51
2016
Q1
$59M Sell
226,836
-156,766
-41% -$41.4M 0.34% 66
2015
Q4
$118M Buy
383,602
+260,412
+211% +$74.8M 0.7% 26
2015
Q3
$35.9M Buy
123,190
+16,190
+15% +$5.35M 0.22% 112
2015
Q2
$43.2M Sell
107,000
-129,639
-55% -$52M 0.24% 96
2015
Q1
$99.9M Sell
236,639
-23,947
-9% -$9.44M 0.53% 38
2014
Q4
$88.5M Buy
260,586
+163,708
+169% +$53M 0.47% 49
2014
Q3
$32M Buy
96,878
+200
+0.2% +$65.9K 0.18% 138
2014
Q2
$30.5M Sell
96,678
-116,119
-55% -$34.9M 0.17% 157
2014
Q1
$65.1M Buy
212,797
+172,397
+427% +$54.7M 0.38% 66
2013
Q4
$11.3M Sell
40,400
-166,659
-80% -$43.1M 0.06% 287
2013
Q3
$49.9M Buy
+207,059
New +$46.3M 0.3% 79

Other funds holding BIIB

State of Tennessee, Department of Treasury's BIIB Position: Q1 2026 in Review

State of Tennessee, Department of Treasury reduced its Biogen (BIIB) stake by 45% in Q1 2026, selling an estimated $5.93M and leaving 39,265 shares worth $7.2M. The position accounts for 0.02% of the portfolio, ranked #467.

State of Tennessee, Department of Treasury first reported a position in BIIB in Q3 2013 and has held it in 51 quarters since. The position peaked at $118M in Q4 2015. 1,009 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • State of Tennessee, Department of Treasury held 39,265 shares of Biogen worth $7.2M as of Q1 2026.
  • State of Tennessee, Department of Treasury sold 32,202 Biogen shares in Q1 2026, an estimated $5.93M.
  • Biogen made up 0.02% of State of Tennessee, Department of Treasury's portfolio in Q1 2026, its #467 holding.
  • State of Tennessee, Department of Treasury first reported a position in Biogen in Q3 2013 and has held it in 51 quarters since.
  • State of Tennessee, Department of Treasury's Biogen position peaked at $118M in Q4 2015.
  • 1,009 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on State of Tennessee, Department of Treasury's 13F filing for Q1 2026, filed 15 May 2026.