Capital Guardian Trust’s Biogen BIIB Stock Holding History

Capital Guardian Trust’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
2019 Q2	–	Sell	-80	Closed	-$19K	–	235
2019 Q1	$19K	Buy	+80	New	+$25.2K	﹤0.01%	275
2017 Q2	–	Sell	-156	Closed	-$43K	–	239
2017 Q1	$43K	Sell	156 -203	-57%	-$57.4K	﹤0.01%	435
2016 Q4	$102K	Buy	359 +203	+130%	+$60.2K	﹤0.01%	402
2016 Q3	$49K	Hold	156	–	–	﹤0.01%	435
2016 Q2	$38K	Sell	156 -103	-40%	-$27.1K	﹤0.01%	455
2016 Q1	$67K	Sell	259 -122	-32%	-$32.2K	﹤0.01%	408
2015 Q4	$117K	Hold	381	–	–	﹤0.01%	388
2015 Q3	$111K	Sell	381 -18	-5%	-$5.94K	﹤0.01%	370
2015 Q2	$161K	Sell	399 -35	-8%	-$14K	﹤0.01%	350
2015 Q1	$183K	Buy	434 +88	+25%	+$34.7K	﹤0.01%	342
2014 Q4	$117K	Hold	346	–	–	﹤0.01%	349
2014 Q3	$114K	Hold	346	–	–	﹤0.01%	349
2014 Q2	$109K	Buy	346 +80	+30%	+$24.1K	﹤0.01%	337
2014 Q1	$81K	Sell	266 -109	-29%	-$34.6K	﹤0.01%	354
2013 Q4	$105K	Hold	375	–	–	﹤0.01%	334
2013 Q3	$90K	Buy	375 +140	+60%	+$31.3K	﹤0.01%	314
2013 Q2	$51K	Buy	+235	New	+$50.2K	﹤0.01%	326

Other funds holding BIIB

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Primecap Management

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

ClearBridge Investments

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

Capital World Investors

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

AQR Capital Management

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return