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Redmile Group’s Biogen BIIB Stock Holding History

Redmile Group’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
2021
Q2 		– Sell
-162,847
Closed -$45.6M – 87
2021
Q1 		$45.6M Sell
162,847
-53,400
-25% -$14.4M 0.64% 48
2020
Q4 		$53M Sell
216,247
-111,200
-34% -$28.7M 0.64% 44
2020
Q3 		$92.9M Buy
327,447
+165,147
+102% +$46.1M 1.71% 14
2020
Q2 		$43.4M Sell
162,300
-427,000
-72% -$128M 0.8% 38
2020
Q1 		$186M Buy
589,300
+131,800
+29% +$40M 5.23% 4
2019
Q4 		$136M Buy
+457,500
New +$127M 3.25% 9
2019
Q2 		– Sell
-165,300
Closed -$39.1M – 87
2019
Q1 		$39.1M Buy
+165,300
New +$52.1M 1.14% 27
2016
Q4 		– Sell
-677
Closed -$212K – 52
2016
Q3 		$212K Sell
677
-552
-45% -$163K 0.02% 48
2016
Q2 		$297K Buy
+1,229
New +$324K 0.03% 49
2015
Q3 		– Sell
-79,118
Closed -$32M – 61
2015
Q2 		$32M Sell
79,118
-18,595
-19% -$7.46M 2.62% 13
2015
Q1 		$41.3M Buy
97,713
+54,600
+127% +$21.5M 3.7% 8
2014
Q4 		$14.6M Buy
+43,113
New +$13.9M 1.59% 29

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
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 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
Norges Bank
Norges Bank Oslo, Norway $1T AUM

Redmile Group's BIIB Position: Q2 2021 in Review

Redmile Group sold out of Biogen (BIIB) in Q2 2021, closing a stake of 162,847 shares — an estimated $45.6M sold.

Redmile Group first reported a position in BIIB in Q4 2014 and held it in 12 quarters. The position peaked at $186M in Q1 2020. 1,106 funds tracked by Wall St. Rank hold BIIB as of Q2 2021.

  • Redmile Group reported no remaining Biogen position as of Q2 2021 after selling out during the quarter.
  • Redmile Group sold 162,847 Biogen shares in Q2 2021, an estimated $45.6M.
  • Redmile Group first reported a position in Biogen in Q4 2014 and held it in 12 quarters.
  • Redmile Group's Biogen position peaked at $186M in Q1 2020.
  • 1,106 funds tracked by Wall St. Rank held Biogen as of Q2 2021.

Based on Redmile Group's 13F filing for Q2 2021, filed 16 Aug 2021.