Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2020
Q4
Sell
-106,444
Closed -$30.2M 316
2020
Q3
$30.2M Sell
106,444
-316,654
-75% -$88.3M 0.32% 88
2020
Q2
$113M Buy
423,098
+340,674
+413% +$102M 1.03% 30
2020
Q1
$26.1M Buy
82,424
+48,181
+141% +$14.6M 0.23% 117
2019
Q4
$10.2M Buy
34,243
+21,397
+167% +$5.94M 0.06% 215
2019
Q3
$2.99M Buy
+12,846
New +$2.99M 0.02% 355
2019
Q2
Sell
-8,817
Closed -$2.08M 630
2019
Q1
$2.08M Buy
8,817
+3
+0% +$945 0.01% 450
2018
Q4
$2.65M Sell
8,814
-18,813
-68% -$6M 0.01% 411
2018
Q3
$9.76M Sell
27,627
-69,198
-71% -$23.8M 0.05% 246
2018
Q2
$28.1M Sell
96,825
-173,226
-64% -$48.7M 0.13% 162
2018
Q1
$73.9M Buy
270,051
+167,785
+164% +$52.1M 0.34% 93
2017
Q4
$32.6M Sell
102,266
-13,298
-12% -$4.27M 0.14% 154
2017
Q3
$36.2M Sell
115,564
-128,605
-53% -$38.1M 0.16% 152
2017
Q2
$66.3M Sell
244,169
-25,300
-9% -$6.69M 0.28% 102
2017
Q1
$73.7M Buy
269,469
+11,526
+4% +$3.26M 0.3% 90
2016
Q4
$73.1M Buy
257,943
+9,090
+4% +$2.69M 0.3% 94
2016
Q3
$77.9M Buy
248,853
+108,522
+77% +$32.1M 0.33% 88
2016
Q2
$33.9M Buy
140,331
+99,758
+246% +$26.3M 0.15% 127
2016
Q1
$10.6M Buy
40,573
+14,201
+54% +$3.75M 0.05% 225
2015
Q4
$8.08M Sell
26,372
-2,242
-8% -$644K 0.04% 250
2015
Q3
$8.35M Sell
28,614
-43,986
-61% -$14.5M 0.04% 253
2015
Q2
$29.3M Sell
72,600
-518,110
-88% -$208M 0.13% 133
2015
Q1
$249M Sell
590,710
-86,430
-13% -$34.1M 1.04% 25
2014
Q4
$230M Sell
677,140
-49,900
-7% -$16.1M 0.97% 36
2014
Q3
$241M Sell
727,040
-21,310
-3% -$7.03M 1.07% 29
2014
Q2
$236M Sell
748,350
-11,670
-2% -$3.51M 1.01% 36
2014
Q1
$232M Sell
760,020
-41,700
-5% -$13.2M 1.01% 43
2013
Q4
$224M Sell
801,720
-186,140
-19% -$48.1M 0.98% 44
2013
Q3
$238M Buy
987,860
+185,460
+23% +$41.5M 1.08% 33
2013
Q2
$173M Buy
+802,400
New +$171M 0.8% 46

Other funds holding BIIB

AJO LP's BIIB Position: Q4 2020 in Review

AJO LP sold out of Biogen (BIIB) in Q4 2020, closing a stake of 106,444 shares — an estimated $30.2M sold.

AJO LP first reported a position in BIIB in Q2 2013 and held it in 29 quarters. The position peaked at $249M in Q1 2015. 1,060 funds tracked by Wall St. Rank hold BIIB as of Q4 2020.

  • AJO LP reported no remaining Biogen position as of Q4 2020 after selling out during the quarter.
  • AJO LP sold 106,444 Biogen shares in Q4 2020, an estimated $30.2M.
  • AJO LP first reported a position in Biogen in Q2 2013 and held it in 29 quarters.
  • AJO LP's Biogen position peaked at $249M in Q1 2015.
  • 1,060 funds tracked by Wall St. Rank held Biogen as of Q4 2020.

Based on AJO LP's 13F filing for Q4 2020, filed 5 Feb 2021.