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ARK Investment Management’s Biogen BIIB Stock Holding History

ARK Investment Management’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
2018
Q4 		– Sell
-22,498
Closed -$7.95M – 195
2018
Q3 		$7.95M Buy
22,498
+8,448
+60% +$2.91M 0.24% 60
2018
Q2 		$4.08M Sell
14,050
-30
-0.2% -$8.43K 0.15% 68
2018
Q1 		$3.85M Buy
14,080
+7,501
+114% +$2.33M 0.19% 64
2017
Q4 		$2.1M Buy
6,579
+2,311
+54% +$741K 0.17% 75
2017
Q3 		$1.34M Buy
4,268
+1,328
+45% +$393K 0.16% 75
2017
Q2 		$798K Sell
2,940
-368
-11% -$97.3K 0.16% 66
2017
Q1 		$904K Sell
3,308
-35
-1% -$9.9K 0.26% 50
2016
Q4 		$948K Buy
+3,343
New +$991K 0.34% 43

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
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
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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

ARK Investment Management's BIIB Position: Q4 2018 in Review

ARK Investment Management sold out of Biogen (BIIB) in Q4 2018, closing a stake of 22,498 shares — an estimated $7.95M sold.

ARK Investment Management first reported a position in BIIB in Q4 2016 and held it in 8 quarters. The position peaked at $7.95M in Q3 2018. 1,140 funds tracked by Wall St. Rank hold BIIB as of Q4 2018.

  • ARK Investment Management reported no remaining Biogen position as of Q4 2018 after selling out during the quarter.
  • ARK Investment Management sold 22,498 Biogen shares in Q4 2018, an estimated $7.95M.
  • ARK Investment Management first reported a position in Biogen in Q4 2016 and held it in 8 quarters.
  • ARK Investment Management's Biogen position peaked at $7.95M in Q3 2018.
  • 1,140 funds tracked by Wall St. Rank held Biogen as of Q4 2018.

Based on ARK Investment Management's 13F filing for Q4 2018, filed 1 Feb 2019.