State of Wisconsin Investment Board’s Biogen BIIB Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $9.89M | Sell |
78,768
-9,808
| -11% | -$1.23M | 0.02% | 642 |
|
|
2025
Q1 | $12.1M | Buy |
88,576
+8,435
| +11% | +$1.15M | 0.03% | 525 |
|
|
2024
Q4 | $12.3M | Sell |
80,141
-12,825
| -14% | -$1.96M | 0.03% | 533 |
|
|
2024
Q3 | $18M | Buy |
92,966
+13,571
| +17% | +$2.63M | 0.05% | 384 |
|
|
2024
Q2 | $18.4M | Sell |
79,395
-9,168
| -10% | -$2.13M | 0.05% | 347 |
|
|
2024
Q1 | $19.1M | Buy |
88,563
+11,001
| +14% | +$2.37M | 0.05% | 354 |
|
|
2023
Q4 | $20.1M | Sell |
77,562
-3,729
| -5% | -$965K | 0.06% | 317 |
|
|
2023
Q3 | $20.9M | Sell |
81,291
-30,207
| -27% | -$7.76M | 0.07% | 284 |
|
|
2023
Q2 | $31.8M | Buy |
111,498
+12,677
| +13% | +$3.61M | 0.09% | 211 |
|
|
2023
Q1 | $27.5M | Buy |
98,821
+5,448
| +6% | +$1.51M | 0.08% | 242 |
|
|
2022
Q4 | $25.9M | Buy |
93,373
+380
| +0.4% | +$105K | 0.08% | 242 |
|
|
2022
Q3 | $24.8M | Sell |
92,993
-28,169
| -23% | -$7.52M | 0.08% | 252 |
|
|
2022
Q2 | $24.7M | Sell |
121,162
-7,506
| -6% | -$1.53M | 0.06% | 294 |
|
|
2022
Q1 | $27.1M | Sell |
128,668
-6,895
| -5% | -$1.45M | 0.06% | 339 |
|
|
2021
Q4 | $32.5M | Sell |
135,563
-19,549
| -13% | -$4.69M | 0.06% | 326 |
|
|
2021
Q3 | $43.9M | Sell |
155,112
-136,451
| -47% | -$38.6M | 0.09% | 242 |
|
|
2021
Q2 | $101M | Buy |
291,563
+140,375
| +93% | +$48.6M | 0.21% | 110 |
|
|
2021
Q1 | $42.3M | Sell |
151,188
-36,247
| -19% | -$10.1M | 0.09% | 251 |
|
|
2020
Q4 | $45.9M | Buy |
187,435
+68,634
| +58% | +$16.8M | 0.11% | 215 |
|
|
2020
Q3 | $33.7M | Buy |
118,801
+15,911
| +15% | +$4.51M | 0.08% | 244 |
|
|
2020
Q2 | $27.5M | Sell |
102,890
-5,439
| -5% | -$1.46M | 0.08% | 284 |
|
|
2020
Q1 | $34.3M | Sell |
108,329
-46,984
| -30% | -$14.9M | 0.11% | 193 |
|
|
2019
Q4 | $46.1M | Sell |
155,313
-28,708
| -16% | -$8.52M | 0.12% | 191 |
|
|
2019
Q3 | $42.8M | Sell |
184,021
-71,055
| -28% | -$16.5M | 0.12% | 192 |
|
|
2019
Q2 | $59.7M | Sell |
255,076
-37,708
| -13% | -$8.82M | 0.17% | 130 |
|
|
2019
Q1 | $69.2M | Sell |
292,784
-1,377
| -0.5% | -$325K | 0.2% | 105 |
|
|
2018
Q4 | $88.5M | Buy |
294,161
+25,310
| +9% | +$7.62M | 0.29% | 76 |
|
|
2018
Q3 | $95M | Sell |
268,851
-87,182
| -24% | -$30.8M | 0.26% | 82 |
|
|
2018
Q2 | $103M | Sell |
356,033
-14,214
| -4% | -$4.13M | 0.3% | 70 |
|
|
2018
Q1 | $101M | Buy |
370,247
+39,382
| +12% | +$10.8M | 0.29% | 76 |
|
|
2017
Q4 | $105M | Sell |
330,865
-17,395
| -5% | -$5.54M | 0.29% | 82 |
|
|
2017
Q3 | $109M | Buy |
348,260
+134,754
| +63% | +$42.2M | 0.32% | 69 |
|
|
2017
Q2 | $57.9M | Buy |
213,506
+27,710
| +15% | +$7.52M | 0.19% | 119 |
|
|
2017
Q1 | $50.8M | Sell |
185,796
-66,861
| -26% | -$18.3M | 0.2% | 115 |
|
|
2016
Q4 | $71.6M | Buy |
252,657
+24,156
| +11% | +$6.85M | 0.31% | 67 |
|
|
2016
Q3 | $71.5M | Buy |
228,501
+21,760
| +11% | +$6.81M | 0.28% | 69 |
|
|
2016
Q2 | $50M | Buy |
206,741
+33,750
| +20% | +$8.16M | 0.2% | 102 |
|
|
2016
Q1 | $45M | Sell |
172,991
-20,184
| -10% | -$5.25M | 0.18% | 118 |
|
|
2015
Q4 | $59.2M | Sell |
193,175
-27,090
| -12% | -$8.3M | 0.23% | 91 |
|
|
2015
Q3 | $64.3M | Buy |
220,265
+27,204
| +14% | +$7.94M | 0.25% | 77 |
|
|
2015
Q2 | $78M | Sell |
193,061
-23,275
| -11% | -$9.4M | 0.27% | 70 |
|
|
2015
Q1 | $91.3M | Sell |
216,336
-72,430
| -25% | -$30.6M | 0.32% | 62 |
|
|
2014
Q4 | $98M | Buy |
288,766
+60,810
| +27% | +$20.6M | 0.34% | 57 |
|
|
2014
Q3 | $75.4M | Sell |
227,956
-38,820
| -15% | -$12.8M | 0.27% | 73 |
|
|
2014
Q2 | $84.1M | Sell |
266,776
-11,543
| -4% | -$3.64M | 0.3% | 67 |
|
|
2014
Q1 | $85.1M | Buy |
278,319
+15,220
| +6% | +$4.66M | 0.32% | 54 |
|
|
2013
Q4 | $73.6M | Sell |
263,099
-55,933
| -18% | -$15.6M | 0.28% | 67 |
|
|
2013
Q3 | $76.8M | Sell |
319,032
-53,540
| -14% | -$12.9M | 0.32% | 56 |
|
|
2013
Q2 | $80.2M | Buy |
+372,572
| New | +$80.2M | 0.34% | 52 |
|