IAM
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Iridian Asset Management’s Biogen BIIB Stock Holding History

Iridian Asset Management’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q4 		– Sell
-4,772
Closed -$1.35M – 91
2020
Q3 		$1.35M Buy
+4,772
New +$1.33M 0.03% 58
2017
Q2 		– Sell
-5,000
Closed -$1.37M – 82
2017
Q1 		$1.37M Sell
5,000
-5,000
-50% -$1.41M 0.01% 68
2016
Q4 		$2.84M Sell
10,000
-6,000
-38% -$1.78M 0.03% 62
2016
Q3 		$5.01M Hold
16,000
– – 0.04% 53
2016
Q2 		$3.87M Hold
16,000
– – 0.04% 50
2016
Q1 		$4.17M Buy
16,000
+2,000
+14% +$528K 0.04% 45
2015
Q4 		$4.29M Buy
14,000
+4,000
+40% +$1.15M 0.04% 45
2015
Q3 		$2.92M Buy
10,000
+3,000
+43% +$991K 0.02% 51
2015
Q2 		$2.83M Buy
+7,000
New +$2.81M 0.02% 54

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