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Winmill & Co’s Biogen BIIB Stock Holding History

Winmill & Co’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
Q1 		– Sell
-6,900
Closed -$1.69M – 86
2020
Q4 		$1.69M Hold
6,900
– – 0.66% 58
2020
Q3 		$1.96M Hold
6,900
– – 0.8% 57
2020
Q2 		$1.85M Buy
6,900
+4,900
+245% +$1.47M 0.74% 64
2020
Q1 		$633K Hold
2,000
– – 0.34% 78
2019
Q4 		$593K Buy
2,000
+600
+43% +$166K 0.2% 97
2019
Q3 		$326K Buy
+1,400
New +$326K 0.14% 96

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 $3.38T AUM 44.17% 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
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Winmill & Co's BIIB Position: Q1 2021 in Review

Winmill & Co sold out of Biogen (BIIB) in Q1 2021, closing a stake of 6,900 shares — an estimated $1.69M sold.

Winmill & Co first reported a position in BIIB in Q3 2019 and held it in 6 quarters. The position peaked at $1.96M in Q3 2020. 1,094 funds tracked by Wall St. Rank hold BIIB as of Q1 2021.

  • Winmill & Co reported no remaining Biogen position as of Q1 2021 after selling out during the quarter.
  • Winmill & Co sold 6,900 Biogen shares in Q1 2021, an estimated $1.69M.
  • Winmill & Co first reported a position in Biogen in Q3 2019 and held it in 6 quarters.
  • Winmill & Co's Biogen position peaked at $1.96M in Q3 2020.
  • 1,094 funds tracked by Wall St. Rank held Biogen as of Q1 2021.

Based on Winmill & Co's 13F filing for Q1 2021, filed 14 May 2021.