Artisan Partners’s Biogen BIIB Stock Holding History

Artisan Partners’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
2015 Q4	–	Sell	-222,326	Closed	-$64.9M	–	377
2015 Q3	$64.9M	Sell	222,326 -191,852	-46%	-$63.4M	0.13%	160
2015 Q2	$167M	Sell	414,178 -55,755	-12%	-$22.4M	0.31%	108
2015 Q1	$198M	Sell	469,933 -104,255	-18%	-$41.1M	0.36%	94
2014 Q4	$195M	Buy	574,188 +83,511	+17%	+$27M	0.34%	94
2014 Q3	$162M	Buy	490,677 +37,628	+8%	+$12.4M	0.29%	113
2014 Q2	$143M	Buy	453,049 +124,172	+38%	+$37.4M	0.25%	126
2014 Q1	$101M	Buy	328,877 +54,821	+20%	+$17.4M	0.18%	146
2013 Q4	$76.7M	Buy	274,056 +11,776	+4%	+$3.05M	0.14%	171
2013 Q3	$63.1M	Buy	262,280 +23,064	+10%	+$5.16M	0.12%	178
2013 Q2	$51.5M	Buy	+239,216	New	+$51.1M	0.11%	186

Other funds holding BIIB

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Artisan Partners's BIIB Position: Q4 2015 in Review

Artisan Partners sold out of Biogen (BIIB) in Q4 2015, closing a stake of 222,326 shares — an estimated $64.9M sold.

Artisan Partners first reported a position in BIIB in Q2 2013 and held it in 10 quarters. The position peaked at $198M in Q1 2015. 970 funds tracked by Wall St. Rank hold BIIB as of Q4 2015.

Artisan Partners reported no remaining Biogen position as of Q4 2015 after selling out during the quarter.
Artisan Partners sold 222,326 Biogen shares in Q4 2015, an estimated $64.9M.
Artisan Partners first reported a position in Biogen in Q2 2013 and held it in 10 quarters.
Artisan Partners's Biogen position peaked at $198M in Q1 2015.
970 funds tracked by Wall St. Rank held Biogen as of Q4 2015.

Based on Artisan Partners's 13F filing for Q4 2015, filed 11 Feb 2016.