F.L. Putnam Investment 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 | $402K | Hold |
1,861
| – | – | ﹤0.01% | 506 |
|
|
2026
Q1 | $341K | Sell |
1,861
-37
| -2% | -$6.82K | 0.01% | 491 |
|
|
2025
Q4 | $334K | Sell |
1,898
-223
| -11% | -$36.4K | ﹤0.01% | 499 |
|
|
2025
Q3 | $297K | Buy |
2,121
+231
| +12% | +$31.2K | ﹤0.01% | 504 |
|
|
2025
Q2 | $237K | Sell |
1,890
-190
| -9% | -$23.7K | ﹤0.01% | 535 |
|
|
2025
Q1 | $285K | Buy |
2,080
+189
| +10% | +$27K | 0.01% | 499 |
|
|
2024
Q4 | $289K | Sell |
1,891
-51
| -3% | -$8.6K | 0.01% | 495 |
|
|
2024
Q3 | $376K | Sell |
1,942
-180
| -8% | -$37.7K | 0.01% | 467 |
|
|
2024
Q2 | $492K | Buy |
2,122
+4
| +0.2% | +$869 | 0.01% | 418 |
|
|
2024
Q1 | $457K | Buy |
2,118
+187
| +10% | +$43.8K | 0.01% | 356 |
|
|
2023
Q4 | $500K | Sell |
1,931
-185
| -9% | -$45.4K | 0.01% | 333 |
|
|
2023
Q3 | $544K | Sell |
2,116
-2
| -0.1% | -$535 | 0.02% | 319 |
|
|
2023
Q2 | $603K | Buy |
2,118
+52
| +3% | +$15.5K | 0.02% | 326 |
|
|
2023
Q1 | $574K | Buy |
2,066
+58
| +3% | +$16K | 0.02% | 282 |
|
|
2022
Q4 | $556K | Sell |
2,008
-72
| -3% | -$20.3K | 0.02% | 281 |
|
|
2022
Q3 | $555K | Hold |
2,080
| – | – | 0.02% | 267 |
|
|
2022
Q2 | $424K | Sell |
2,080
-3
| -0.1% | -$613 | 0.02% | 297 |
|
|
2022
Q1 | $439K | Sell |
2,083
-58
| -3% | -$12.6K | 0.01% | 295 |
|
|
2021
Q4 | $514K | Hold |
2,141
| – | – | 0.02% | 281 |
|
|
2021
Q3 | $606K | Hold |
2,141
| – | – | 0.02% | 259 |
|
|
2021
Q2 | $741K | Buy |
2,141
+930
| +77% | +$282K | 0.03% | 247 |
|
|
2021
Q1 | $339K | Sell |
1,211
-67
| -5% | -$18.1K | 0.01% | 285 |
|
|
2020
Q4 | $313K | Sell |
1,278
-1,150
| -47% | -$297K | 0.01% | 270 |
|
|
2020
Q3 | $689K | Sell |
2,428
-2
| -0.1% | -$558 | 0.04% | 179 |
|
|
2020
Q2 | $650K | Sell |
2,430
-1,116
| -31% | -$335K | 0.04% | 180 |
|
|
2020
Q1 | $1.12M | Sell |
3,546
-192
| -5% | -$58.3K | 0.09% | 136 |
|
|
2019
Q4 | $1.11M | Hold |
3,738
| – | – | 0.07% | 157 |
|
|
2019
Q3 | $870K | Buy |
3,738
+120
| +3% | +$27.9K | 0.06% | 161 |
|
|
2019
Q2 | $846K | Hold |
3,618
| – | – | 0.07% | 132 |
|
|
2019
Q1 | $855K | Sell |
3,618
-44
| -1% | -$13.9K | 0.07% | 133 |
|
|
2018
Q4 | $1.1M | Buy |
3,662
+2,500
| +215% | +$798K | 0.12% | 121 |
|
|
2018
Q3 | $411K | Hold |
1,162
| – | – | 0.04% | 163 |
|
|
2018
Q2 | $337K | Sell |
1,162
-2,371
| -67% | -$667K | 0.03% | 176 |
|
|
2018
Q1 | $967K | Sell |
3,533
-18
| -0.5% | -$5.59K | 0.09% | 139 |
|
|
2017
Q4 | $1.13M | Buy |
3,551
+29
| +0.8% | +$9.3K | 0.1% | 137 |
|
|
2017
Q3 | $1.1M | Buy |
+3,522
| New | +$1.04M | 0.11% | 139 |
|
|
2017
Q1 | $981K | Buy |
3,588
+2,210
| +160% | +$625K | 0.1% | 133 |
|
|
2016
Q4 | $391K | Buy |
1,378
+30
| +2% | +$8.89K | 0.04% | 162 |
|
|
2016
Q3 | $422K | Hold |
1,348
| – | – | 0.05% | 149 |
|
|
2016
Q2 | $326K | Sell |
1,348
-15,167
| -92% | -$4M | 0.04% | 144 |
|
|
2016
Q1 | $4.3M | Sell |
16,515
-13,223
| -44% | -$3.49M | 0.52% | 58 |
|
|
2015
Q4 | $9.11M | Buy |
29,738
+1,449
| +5% | +$416K | 1.07% | 38 |
|
|
2015
Q3 | $8.26M | Sell |
28,289
-55
| -0.2% | -$18.2K | 1.02% | 38 |
|
|
2015
Q2 | $11.4M | Buy |
28,344
+558
| +2% | +$224K | 1.28% | 28 |
|
|
2015
Q1 | $11.7M | Buy |
27,786
+3,556
| +15% | +$1.4M | 1.31% | 28 |
|
|
2014
Q4 | $8.22M | Sell |
24,230
-30
| -0.1% | -$9.71K | 0.96% | 39 |
|
|
2014
Q3 | $8.03M | Buy |
24,260
+963
| +4% | +$318K | 0.94% | 40 |
|
|
2014
Q2 | $7.35M | Sell |
23,297
-444
| -2% | -$134K | 0.85% | 43 |
|
|
2014
Q1 | $7.26M | Buy |
23,741
+2,019
| +9% | +$641K | 0.86% | 37 |
|
|
2013
Q4 | $6.07M | Buy |
21,722
+940
| +5% | +$243K | 0.73% | 48 |
|
|
2013
Q3 | $5M | Hold |
20,782
| – | – | 0.67% | 54 |
|
|
2013
Q2 | $4.47M | Buy |
+20,782
| New | +$4.44M | 0.64% | 60 |
|
Other funds holding BIIB
AIM
F.L. Putnam Investment Management's BIIB Position: Q2 2026 in Review
F.L. Putnam Investment Management held its Biogen (BIIB) position steady in Q2 2026 at 1,861 shares worth $402K. The position accounts for ﹤0.01% of the portfolio, ranked #506.
F.L. Putnam Investment Management first reported a position in BIIB in Q2 2013 and has held it in 52 quarters since. The position peaked at $11.7M in Q1 2015. 623 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- F.L. Putnam Investment Management held 1,861 shares of Biogen worth $402K as of Q2 2026.
- F.L. Putnam Investment Management left its Biogen share count unchanged in Q2 2026.
- Biogen made up ﹤0.01% of F.L. Putnam Investment Management's portfolio in Q2 2026, its #506 holding.
- F.L. Putnam Investment Management first reported a position in Biogen in Q2 2013 and has held it in 52 quarters since.
- F.L. Putnam Investment Management's Biogen position peaked at $11.7M in Q1 2015.
- 623 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on F.L. Putnam Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.