Tocqueville 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 | $969K | Buy |
4,486
+134
| +3% | +$25.6K | 0.01% | 375 |
|
|
2026
Q1 | $798K | Sell |
4,352
-1,117
| -20% | -$206K | 0.01% | 388 |
|
|
2025
Q4 | $962K | Sell |
5,469
-1,082
| -17% | -$177K | 0.01% | 386 |
|
|
2025
Q3 | $918K | Buy |
6,551
+964
| +17% | +$130K | 0.01% | 376 |
|
|
2025
Q2 | $702K | Sell |
5,587
-1,093
| -16% | -$136K | 0.01% | 385 |
|
|
2025
Q1 | $914K | Sell |
6,680
-17,160
| -72% | -$2.45M | 0.01% | 351 |
|
|
2024
Q4 | $3.65M | Sell |
23,840
-223,695
| -90% | -$37.7M | 0.06% | 209 |
|
|
2024
Q3 | $48M | Buy |
247,535
+27,537
| +13% | +$5.76M | 0.75% | 32 |
|
|
2024
Q2 | $51M | Buy |
219,998
+173,798
| +376% | +$37.8M | 0.84% | 24 |
|
|
2024
Q1 | $9.96M | Buy |
46,200
+41,690
| +924% | +$9.76M | 0.16% | 136 |
|
|
2023
Q4 | $1.17M | Buy |
4,510
+289
| +7% | +$71K | 0.02% | 322 |
|
|
2023
Q3 | $1.08M | Sell |
4,221
-8,029
| -66% | -$2.15M | 0.02% | 320 |
|
|
2023
Q2 | $3.49M | Buy |
12,250
+14
| +0.1% | +$4.17K | 0.06% | 214 |
|
|
2023
Q1 | $3.4M | Buy |
12,236
+176
| +1% | +$48.7K | 0.06% | 217 |
|
|
2022
Q4 | $3.34M | Sell |
12,060
-1,761
| -13% | -$497K | 0.06% | 230 |
|
|
2022
Q3 | $3.69M | Sell |
13,821
-1,378
| -9% | -$293K | 0.08% | 211 |
|
|
2022
Q2 | $3.1M | Sell |
15,199
-5,517
| -27% | -$1.13M | 0.06% | 259 |
|
|
2022
Q1 | $4.36M | Sell |
20,716
-15,342
| -43% | -$3.34M | 0.07% | 251 |
|
|
2021
Q4 | $8.65M | Sell |
36,058
-31,862
| -47% | -$8.19M | 0.12% | 177 |
|
|
2021
Q3 | $19.2M | Sell |
67,920
-301
| -0.4% | -$98.7K | 0.28% | 96 |
|
|
2021
Q2 | $23.6M | Sell |
68,221
-25,179
| -27% | -$7.63M | 0.34% | 75 |
|
|
2021
Q1 | $26.1M | Buy |
93,400
+4,007
| +4% | +$1.08M | 0.4% | 59 |
|
|
2020
Q4 | $21.9M | Sell |
89,393
-24,020
| -21% | -$6.2M | 0.37% | 65 |
|
|
2020
Q3 | $32.2M | Buy |
113,413
+214
| +0.2% | +$59.7K | 0.62% | 36 |
|
|
2020
Q2 | $30.3M | Sell |
113,199
-39,092
| -26% | -$11.8M | 0.63% | 33 |
|
|
2020
Q1 | $48.2M | Buy |
152,291
+16,474
| +12% | +$5M | 1.2% | 16 |
|
|
2019
Q4 | $40.3M | Sell |
135,817
-3,769
| -3% | -$1.05M | 0.59% | 45 |
|
|
2019
Q3 | $32.5M | Sell |
139,586
-19,472
| -12% | -$4.53M | 0.44% | 58 |
|
|
2019
Q2 | $37.2M | Sell |
159,058
-5,896
| -4% | -$1.36M | 0.48% | 54 |
|
|
2019
Q1 | $39M | Buy |
164,954
+5,990
| +4% | +$1.89M | 0.52% | 52 |
|
|
2018
Q4 | $47.8M | Sell |
158,964
-2,194
| -1% | -$700K | 0.72% | 29 |
|
|
2018
Q3 | $56.9M | Buy |
161,158
+1,920
| +1% | +$661K | 0.72% | 26 |
|
|
2018
Q2 | $46.2M | Buy |
159,238
+40,038
| +34% | +$11.3M | 0.59% | 41 |
|
|
2018
Q1 | $32.6M | Buy |
119,200
+3,153
| +3% | +$979K | 0.42% | 66 |
|
|
2017
Q4 | $37M | Buy |
116,047
+3,321
| +3% | +$1.07M | 0.42% | 72 |
|
|
2017
Q3 | $35.3M | Sell |
112,726
-2,742
| -2% | -$812K | 0.41% | 74 |
|
|
2017
Q2 | $31.3M | Buy |
115,468
+7,317
| +7% | +$1.93M | 0.38% | 79 |
|
|
2017
Q1 | $29.6M | Sell |
108,151
-8,123
| -7% | -$2.3M | 0.36% | 79 |
|
|
2016
Q4 | $33M | Sell |
116,274
-70,274
| -38% | -$20.8M | 0.42% | 62 |
|
|
2016
Q3 | $58.4M | Sell |
186,548
-1,080
| -0.6% | -$320K | 0.7% | 39 |
|
|
2016
Q2 | $45.4M | Buy |
187,628
+16,707
| +10% | +$4.4M | 0.54% | 47 |
|
|
2016
Q1 | $44.5M | Buy |
170,921
+9,821
| +6% | +$2.59M | 0.59% | 44 |
|
|
2015
Q4 | $49.4M | Buy |
161,100
+3,959
| +3% | +$1.14M | 0.67% | 29 |
|
|
2015
Q3 | $45.9M | Buy |
157,141
+123,814
| +372% | +$40.9M | 0.61% | 34 |
|
|
2015
Q2 | $13.5M | Buy |
33,327
+2,175
| +7% | +$873K | 0.16% | 172 |
|
|
2015
Q1 | $13.2M | Buy |
31,152
+6,988
| +29% | +$2.75M | 0.15% | 168 |
|
|
2014
Q4 | $8.2M | Sell |
24,164
-3,397
| -12% | -$1.1M | 0.09% | 236 |
|
|
2014
Q3 | $9.12M | Buy |
27,561
+4,363
| +19% | +$1.44M | 0.1% | 208 |
|
|
2014
Q2 | $7.32M | Buy |
23,198
+155
| +0.7% | +$46.7K | 0.07% | 255 |
|
|
2014
Q1 | $7.05M | Buy |
23,043
+3,366
| +17% | +$1.07M | 0.09% | 211 |
|
|
2013
Q4 | $5.5M | Buy |
19,677
+7,137
| +57% | +$1.85M | 0.07% | 242 |
|
|
2013
Q3 | $3.02M | Buy |
12,540
+3,533
| +39% | +$791K | 0.04% | 370 |
|
|
2013
Q2 | $1.94M | Buy |
+9,007
| New | +$1.92M | 0.03% | 417 |
|
Other funds holding BIIB
Tocqueville Asset Management's BIIB Position: Q2 2026 in Review
Tocqueville Asset Management increased its Biogen (BIIB) stake by 3.1% in Q2 2026, buying an estimated $25.6K and bringing the position to 4,486 shares worth $969K. The position accounts for 0.01% of the portfolio, ranked #375.
Tocqueville Asset Management first reported a position in BIIB in Q2 2013 and has held it in 53 quarters since. The position peaked at $58.4M in Q3 2016. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Tocqueville Asset Management held 4,486 shares of Biogen worth $969K as of Q2 2026.
- Tocqueville Asset Management bought 134 Biogen shares in Q2 2026, an estimated $25.6K.
- Biogen made up 0.01% of Tocqueville Asset Management's portfolio in Q2 2026, its #375 holding.
- Tocqueville Asset Management first reported a position in Biogen in Q2 2013 and has held it in 53 quarters since.
- Tocqueville Asset Management's Biogen position peaked at $58.4M in Q3 2016.
- 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Tocqueville Asset Management's 13F filing for Q2 2026, filed 10 Aug 2026.