Westpac Banking Corp’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 | $338K | Sell |
1,843
-335
| -15% | -$61.7K | 0.02% | 298 |
|
|
2025
Q4 | $383K | Buy |
2,178
+340
| +18% | +$55.5K | 0.02% | 286 |
|
|
2025
Q3 | $257K | Sell |
1,838
-1,797
| -49% | -$243K | 0.02% | 319 |
|
|
2025
Q2 | $457K | Hold |
3,635
| – | – | 0.03% | 263 |
|
|
2025
Q1 | $497K | Buy |
3,635
+1,050
| +41% | +$150K | 0.04% | 258 |
|
|
2024
Q4 | $395K | Buy |
2,585
+436
| +20% | +$73.5K | 0.03% | 296 |
|
|
2024
Q3 | $417K | Buy |
2,149
+243
| +13% | +$50.8K | 0.03% | 292 |
|
|
2024
Q2 | $442K | Hold |
1,906
| – | – | 0.04% | 255 |
|
|
2024
Q1 | $411K | Sell |
1,906
-19
| -1% | -$4.45K | 0.03% | 272 |
|
|
2023
Q4 | $498K | Buy |
1,925
+270
| +16% | +$66.3K | 0.04% | 256 |
|
|
2023
Q3 | $425K | Buy |
1,655
+196
| +13% | +$52.4K | 0.03% | 316 |
|
|
2023
Q2 | $416K | Sell |
1,459
-14,406
| -91% | -$4.29M | 0.03% | 321 |
|
|
2023
Q1 | $4.41M | Sell |
15,865
-2,317
| -13% | -$641K | 0.06% | 366 |
|
|
2022
Q4 | $5.03M | Sell |
18,182
-654
| -3% | -$185K | 0.07% | 327 |
|
|
2022
Q3 | $5.03M | Sell |
18,836
-28,900
| -61% | -$6.14M | 0.08% | 330 |
|
|
2022
Q2 | $9.74M | Buy |
47,736
+277
| +0.6% | +$56.6K | 0.13% | 219 |
|
|
2022
Q1 | $9.99M | Sell |
47,459
-5,471
| -10% | -$1.19M | 0.11% | 240 |
|
|
2021
Q4 | $12.7M | Buy |
52,930
+30,475
| +136% | +$7.84M | 0.13% | 193 |
|
|
2021
Q3 | $6.35M | Sell |
22,455
-3,609
| -14% | -$1.18M | 0.07% | 369 |
|
|
2021
Q2 | $9.03M | Sell |
26,064
-5,396
| -17% | -$1.63M | 0.09% | 292 |
|
|
2021
Q1 | $8.8M | Buy |
31,460
+1,259
| +4% | +$340K | 0.1% | 268 |
|
|
2020
Q4 | $7.4M | Sell |
30,201
-23,756
| -44% | -$6.13M | 0.08% | 307 |
|
|
2020
Q3 | $15.3M | Sell |
53,957
-9,569
| -15% | -$2.67M | 0.21% | 118 |
|
|
2020
Q2 | $17M | Buy |
63,526
+4,316
| +7% | +$1.3M | 0.25% | 101 |
|
|
2020
Q1 | $18.7M | Buy |
59,210
+13,496
| +30% | +$4.1M | 0.32% | 78 |
|
|
2019
Q4 | $13.6M | Sell |
45,714
-28,550
| -38% | -$7.92M | 0.17% | 156 |
|
|
2019
Q3 | $17.3M | Sell |
74,264
-13,224
| -15% | -$3.08M | 0.24% | 110 |
|
|
2019
Q2 | $20.5M | Buy |
87,488
+8,816
| +11% | +$2.04M | 0.31% | 82 |
|
|
2019
Q1 | $18.6M | Buy |
78,672
+14,536
| +23% | +$4.58M | 0.31% | 83 |
|
|
2018
Q4 | $19.3M | Buy |
64,136
+1,694
| +3% | +$541K | 0.33% | 81 |
|
|
2018
Q3 | $22.1M | Buy |
62,442
+43,570
| +231% | +$15M | 0.38% | 65 |
|
|
2018
Q2 | $5.48M | Hold |
18,872
| – | – | 0.11% | 274 |
|
|
2018
Q1 | $5.17M | Buy |
18,872
+4,843
| +35% | +$1.5M | 0.1% | 278 |
|
|
2017
Q4 | $4.47M | Hold |
14,029
| – | – | 0.1% | 277 |
|
|
2017
Q3 | $4.39M | Sell |
14,029
-386
| -3% | -$114K | 0.1% | 302 |
|
|
2017
Q2 | $3.91M | Sell |
14,415
-34,634
| -71% | -$9.16M | 0.09% | 305 |
|
|
2017
Q1 | $13.4M | Buy |
49,049
+15,566
| +46% | +$4.4M | 0.11% | 208 |
|
|
2016
Q4 | $11.4M | Sell |
33,483
-4,265
| -11% | -$1.26M | 0.11% | 201 |
|
|
2016
Q3 | $11.8M | Buy |
37,748
+2,151
| +6% | +$637K | 0.13% | 164 |
|
|
2016
Q2 | $7.93M | Sell |
35,597
-52,413
| -60% | -$13.8M | 0.09% | 258 |
|
|
2016
Q1 | $18.5M | Buy |
88,010
+12,058
| +16% | +$3.19M | 0.2% | 114 |
|
|
2015
Q4 | $23.3M | Sell |
75,952
-54,977
| -42% | -$15.8M | 0.26% | 103 |
|
|
2015
Q3 | $38.2M | Sell |
130,929
-385,203
| -75% | -$127M | 0.42% | 50 |
|
|
2015
Q2 | $208M | Buy |
516,132
+68,481
| +15% | +$27.5M | 2.04% | 9 |
|
|
2015
Q1 | $199M | Sell |
447,651
-89,984
| -17% | -$35.5M | 1.73% | 10 |
|
|
2014
Q4 | $183M | Buy |
537,635
+19,400
| +4% | +$6.28M | 1.74% | 10 |
|
|
2014
Q3 | $171M | Buy |
518,235
+422,317
| +440% | +$139M | 1.67% | 11 |
|
|
2014
Q2 | $30.2M | Buy |
95,918
+10,142
| +12% | +$3.05M | 0.29% | 74 |
|
|
2014
Q1 | $26.2M | Buy |
85,776
+17,930
| +26% | +$5.69M | 0.28% | 79 |
|
|
2013
Q4 | $19M | Buy |
67,846
+44,552
| +191% | +$11.5M | 0.22% | 115 |
|
|
2013
Q3 | $5.61M | Buy |
23,294
+3,350
| +17% | +$750K | 0.07% | 279 |
|
|
2013
Q2 | $4.11M | Buy |
+19,944
| New | +$4.26M | 0.06% | 302 |
|
Other funds holding BIIB
VCM
VPM
Westpac Banking Corp's BIIB Position: Q1 2026 in Review
Westpac Banking Corp reduced its Biogen (BIIB) stake by 15% in Q1 2026, selling an estimated $61.7K and leaving 1,843 shares worth $338K. The position accounts for 0.02% of the portfolio, ranked #298.
Westpac Banking Corp first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $208M in Q2 2015. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.
- Westpac Banking Corp held 1,843 shares of Biogen worth $338K as of Q1 2026.
- Westpac Banking Corp sold 335 Biogen shares in Q1 2026, an estimated $61.7K.
- Biogen made up 0.02% of Westpac Banking Corp's portfolio in Q1 2026, its #298 holding.
- Westpac Banking Corp first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
- Westpac Banking Corp's Biogen position peaked at $208M in Q2 2015.
- 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.
Based on Westpac Banking Corp's 13F filing for Q1 2026, filed 12 May 2026.