TCIM
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TIAA CREF Investment Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2019
Q1
$216M Buy
913,931
+59,423
+7% +$14M 0.15% 135
2018
Q4
$257M Sell
854,508
-119,317
-12% -$35.9M 0.2% 101
2018
Q3
$344M Sell
973,825
-74,333
-7% -$26.3M 0.22% 97
2018
Q2
$304M Sell
1,048,158
-308,448
-23% -$89.5M 0.2% 108
2018
Q1
$371M Sell
1,356,606
-28,210
-2% -$7.72M 0.25% 87
2017
Q4
$441M Sell
1,384,816
-721,682
-34% -$230M 0.29% 73
2017
Q3
$660M Buy
2,106,498
+199,678
+10% +$62.5M 0.45% 47
2017
Q2
$517M Buy
1,906,820
+426,821
+29% +$116M 0.36% 57
2017
Q1
$405M Buy
1,479,999
+98,956
+7% +$27.1M 0.29% 73
2016
Q4
$392M Sell
1,381,043
-168,255
-11% -$47.7M 0.29% 76
2016
Q3
$485K Buy
1,549,298
+155,756
+11% +$48.8K 0.3% 73
2016
Q2
$337M Sell
1,393,542
-134,535
-9% -$32.5M 0.26% 84
2016
Q1
$398M Sell
1,528,077
-132,901
-8% -$34.6M 0.3% 75
2015
Q4
$509M Sell
1,660,978
-305,310
-16% -$93.5M 0.38% 57
2015
Q3
$574M Sell
1,966,288
-175,224
-8% -$51.1M 0.45% 46
2015
Q2
$865M Buy
2,141,512
+470,529
+28% +$190M 0.61% 30
2015
Q1
$706M Sell
1,670,983
-401,883
-19% -$170M 0.49% 41
2014
Q4
$704M Sell
2,072,866
-330,096
-14% -$112M 0.49% 38
2014
Q3
$795M Sell
2,402,962
-241,366
-9% -$79.8M 0.57% 31
2014
Q2
$834M Sell
2,644,328
-288,701
-10% -$91M 0.58% 29
2014
Q1
$897M Sell
2,933,029
-25,991
-0.9% -$7.95M 0.65% 26
2013
Q4
$828M Sell
2,959,020
-163,286
-5% -$45.7M 0.59% 26
2013
Q3
$752M Buy
3,122,306
+134,985
+5% +$32.5M 0.59% 32
2013
Q2
$643M Buy
+2,987,321
New +$643M 0.52% 35