Panagora Asset Management’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $40.4M | Buy |
186,929
+44,864
| +32% | +$8.58M | 0.12% | 157 |
|
|
2026
Q1 | $26M | Buy |
142,065
+138,862
| +4,335% | +$25.6M | 0.1% | 196 |
|
|
2025
Q4 | $564K | Sell |
3,203
-28
| -0.9% | -$4.57K | ﹤0.01% | 848 |
|
|
2025
Q3 | $453K | Buy |
3,231
+99
| +3% | +$13.4K | ﹤0.01% | 829 |
|
|
2025
Q2 | $393K | Sell |
3,132
-187
| -6% | -$23.3K | ﹤0.01% | 861 |
|
|
2025
Q1 | $454K | Hold |
3,319
| – | – | ﹤0.01% | 832 |
|
|
2024
Q4 | $508K | Sell |
3,319
-6,827
| -67% | -$1.15M | ﹤0.01% | 833 |
|
|
2024
Q3 | $1.97M | Buy |
10,146
+610
| +6% | +$128K | 0.01% | 538 |
|
|
2024
Q2 | $2.21M | Sell |
9,536
-5,285
| -36% | -$1.15M | 0.01% | 494 |
|
|
2024
Q1 | $3.2M | Sell |
14,821
-539
| -4% | -$126K | 0.02% | 439 |
|
|
2023
Q4 | $3.97M | Sell |
15,360
-110,392
| -88% | -$27.1M | 0.02% | 370 |
|
|
2023
Q3 | $32.3M | Sell |
125,752
-80,145
| -39% | -$21.4M | 0.2% | 117 |
|
|
2023
Q2 | $58.6M | Sell |
205,897
-2,654
| -1% | -$790K | 0.35% | 76 |
|
|
2023
Q1 | $58M | Buy |
208,551
+109,152
| +110% | +$30.2M | 0.37% | 71 |
|
|
2022
Q4 | $27.5M | Sell |
99,399
-4,006
| -4% | -$1.13M | 0.18% | 141 |
|
|
2022
Q3 | $27.6M | Buy |
103,405
+7,234
| +8% | +$1.54M | 0.19% | 131 |
|
|
2022
Q2 | $19.6M | Sell |
96,171
-96,403
| -50% | -$19.7M | 0.13% | 177 |
|
|
2022
Q1 | $40.6M | Buy |
192,574
+21,807
| +13% | +$4.74M | 0.22% | 111 |
|
|
2021
Q4 | $41M | Buy |
170,767
+102,527
| +150% | +$26.4M | 0.22% | 105 |
|
|
2021
Q3 | $19.3M | Sell |
68,240
-2,283
| -3% | -$748K | 0.1% | 194 |
|
|
2021
Q2 | $24.4M | Sell |
70,523
-150,301
| -68% | -$45.5M | 0.13% | 166 |
|
|
2021
Q1 | $61.8M | Sell |
220,824
-8,023
| -4% | -$2.16M | 0.35% | 61 |
|
|
2020
Q4 | $56M | Buy |
228,847
+27,700
| +14% | +$7.15M | 0.33% | 68 |
|
|
2020
Q3 | $57.1M | Buy |
201,147
+8,950
| +5% | +$2.5M | 0.36% | 62 |
|
|
2020
Q2 | $51.4M | Sell |
192,197
-23,609
| -11% | -$7.1M | 0.33% | 74 |
|
|
2020
Q1 | $68.3M | Sell |
215,806
-85,664
| -28% | -$26M | 0.48% | 44 |
|
|
2019
Q4 | $89.5M | Buy |
301,470
+36,442
| +14% | +$10.1M | 0.41% | 56 |
|
|
2019
Q3 | $61.7M | Sell |
265,028
-137,895
| -34% | -$32.1M | 0.28% | 92 |
|
|
2019
Q2 | $94.2M | Sell |
402,923
-64,456
| -14% | -$14.9M | 0.42% | 55 |
|
|
2019
Q1 | $110M | Sell |
467,379
-101,122
| -18% | -$31.8M | 0.49% | 45 |
|
|
2018
Q4 | $171M | Buy |
568,501
+197,209
| +53% | +$62.9M | 0.8% | 21 |
|
|
2018
Q3 | $131M | Sell |
371,292
-11,378
| -3% | -$3.92M | 0.49% | 48 |
|
|
2018
Q2 | $111M | Sell |
382,670
-22,838
| -6% | -$6.42M | 0.44% | 53 |
|
|
2018
Q1 | $111M | Buy |
405,508
+76,990
| +23% | +$23.9M | 0.44% | 65 |
|
|
2017
Q4 | $105M | Sell |
328,518
-269
| -0.1% | -$86.3K | 0.39% | 64 |
|
|
2017
Q3 | $103M | Buy |
328,787
+74,842
| +29% | +$22.2M | 0.41% | 56 |
|
|
2017
Q2 | $68.9M | Buy |
253,945
+24,970
| +11% | +$6.6M | 0.28% | 85 |
|
|
2017
Q1 | $62.6M | Buy |
228,975
+124,740
| +120% | +$35.3M | 0.26% | 88 |
|
|
2016
Q4 | $29.6M | Buy |
104,235
+24,377
| +31% | +$7.23M | 0.14% | 161 |
|
|
2016
Q3 | $25M | Sell |
79,858
-70,929
| -47% | -$21M | 0.12% | 172 |
|
|
2016
Q2 | $36.5M | Sell |
150,787
-16,584
| -10% | -$4.37M | 0.18% | 117 |
|
|
2016
Q1 | $43.6M | Sell |
167,371
-3,611
| -2% | -$954K | 0.22% | 100 |
|
|
2015
Q4 | $52.4M | Sell |
170,982
-12,156
| -7% | -$3.49M | 0.26% | 91 |
|
|
2015
Q3 | $53.4M | Buy |
183,138
+35,477
| +24% | +$11.7M | 0.28% | 87 |
|
|
2015
Q2 | $59.6M | Sell |
147,661
-9,009
| -6% | -$3.62M | 0.3% | 78 |
|
|
2015
Q1 | $66.2M | Sell |
156,670
-44,035
| -22% | -$17.4M | 0.34% | 76 |
|
|
2014
Q4 | $68.1M | Buy |
200,705
+25,614
| +15% | +$8.29M | 0.35% | 74 |
|
|
2014
Q3 | $57.9M | Buy |
175,091
+75,386
| +76% | +$24.9M | 0.28% | 92 |
|
|
2014
Q2 | $31.4M | Sell |
99,705
-82,656
| -45% | -$24.9M | 0.15% | 147 |
|
|
2014
Q1 | $55.8M | Sell |
182,361
-127,194
| -41% | -$40.4M | 0.26% | 99 |
|
|
2013
Q4 | $86.6M | Buy |
309,555
+17,657
| +6% | +$4.57M | 0.4% | 60 |
|
|
2013
Q3 | $70.3M | Sell |
291,898
-342,672
| -54% | -$76.7M | 0.35% | 66 |
|
|
2013
Q2 | $137M | Buy |
+634,570
| New | +$136M | 0.7% | 34 |
|
Other funds holding BIIB
Panagora Asset Management's BIIB Position: Q2 2026 in Review
Panagora Asset Management increased its Biogen (BIIB) stake by 32% in Q2 2026, buying an estimated $8.58M and bringing the position to 186,929 shares worth $40.4M. The position accounts for 0.12% of the portfolio, ranked #157.
Panagora Asset Management first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $171M in Q4 2018. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Panagora Asset Management held 186,929 shares of Biogen worth $40.4M as of Q2 2026.
- Panagora Asset Management bought 44,864 Biogen shares in Q2 2026, an estimated $8.58M.
- Biogen made up 0.12% of Panagora Asset Management's portfolio in Q2 2026, its #157 holding.
- Panagora Asset Management first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
- Panagora Asset Management's Biogen position peaked at $171M in Q4 2018.
- 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Panagora Asset Management's 13F filing for Q2 2026, filed 6 Aug 2026.