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A.R.T. Advisors’s Biogen BIIB Stock Holding History

A.R.T. Advisors’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
Q3 		– Sell
-1,391
Closed -$372K – 95
2020
Q2 		$372K Buy
+1,391
New +$418K 0.56% 54
2020
Q1 		– Sell
-29,091
Closed -$8.63M – 159
2019
Q4 		$8.63M Sell
29,091
-21,489
-42% -$5.96M 0.43% 23
2019
Q3 		$11.8M Buy
50,580
+2,700
+6% +$629K 0.59% 17
2019
Q2 		$11.2M Buy
47,880
+2,600
+6% +$600K 0.63% 14
2019
Q1 		$10.7M Buy
45,280
+28,500
+170% +$8.97M 0.64% 7
2018
Q4 		$5.05M Sell
16,780
-7,820
-32% -$2.5M 0.32% 44
2018
Q3 		$8.69M Buy
24,600
+9,000
+58% +$3.1M 0.4% 34
2018
Q2 		$4.53M Sell
15,600
-27,800
-64% -$7.82M 0.18% 129
2018
Q1 		$11.9M Buy
43,400
+25,800
+147% +$8.01M 0.48% 18
2017
Q4 		$5.61M Buy
+17,600
New +$5.65M 0.25% 78
2017
Q3 		– Sell
-11,600
Closed -$3.15M – 1362
2017
Q2 		$3.15M Buy
+11,600
New +$3.07M 0.17% 142
2017
Q1 		– Sell
-12,200
Closed -$3.46M – 1433
2016
Q4 		$3.46M Buy
12,200
+7,800
+177% +$2.31M 0.21% 121
2016
Q3 		$1.38M Buy
+4,400
New +$1.3M 0.45% 35
2016
Q2 		– Sell
-15,895
Closed -$4.14M – 1367
2016
Q1 		$4.14M Buy
15,895
+11,700
+279% +$3.09M 0.19% 140
2015
Q4 		$1.28M Buy
+4,195
New +$1.21M 0.06% 464
2015
Q3 		– Sell
-8,222
Closed -$3.32M – 1363
2015
Q2 		$3.32M Sell
8,222
-21,205
-72% -$8.51M 0.11% 267
2015
Q1 		$12.4M Buy
+29,427
New +$11.6M 0.43% 24
2014
Q1 		– Sell
-35,924
Closed -$10M – 1329
2013
Q4 		$10M Buy
+35,924
New +$9.29M 0.53% 17

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

A.R.T. Advisors's BIIB Position: Q3 2020 in Review

A.R.T. Advisors sold out of Biogen (BIIB) in Q3 2020, closing a stake of 1,391 shares — an estimated $372K sold.

A.R.T. Advisors first reported a position in BIIB in Q4 2013 and held it in 18 quarters. The position peaked at $12.4M in Q1 2015. 1,051 funds tracked by Wall St. Rank hold BIIB as of Q3 2020.

  • A.R.T. Advisors reported no remaining Biogen position as of Q3 2020 after selling out during the quarter.
  • A.R.T. Advisors sold 1,391 Biogen shares in Q3 2020, an estimated $372K.
  • A.R.T. Advisors first reported a position in Biogen in Q4 2013 and held it in 18 quarters.
  • A.R.T. Advisors's Biogen position peaked at $12.4M in Q1 2015.
  • 1,051 funds tracked by Wall St. Rank held Biogen as of Q3 2020.

Based on A.R.T. Advisors's 13F filing for Q3 2020, filed 16 Nov 2020.