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EcoR1 Capital’s Assembly Biosciences ASMB Stock Holding History

EcoR1 Capital’s Portfolio ASMB Stock Details ASMB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q4 		– Sell
-212,365
Closed -$24.9M – 67
2020
Q3 		$41.9M Sell
212,365
-50,451
-19% -$12.7M 2.99% 12
2020
Q2 		$73.5M Buy
262,816
+46,926
+22% +$10.9M 5.43% 6
2020
Q1 		$38.4M Buy
215,890
+16,868
+8% +$3.62M 4.01% 10
2019
Q4 		$48.9M Buy
199,022
+190,972
+2,372% +$35.2M 4.4% 8
2019
Q3 		$950K Buy
+8,050
New +$1.22M 0.12% 35
2019
Q2 		– Sell
-96,133
Closed -$18.3M – 42
2019
Q1 		$22.7M Sell
96,133
-104,271
-52% -$26.4M 2.09% 16
2018
Q4 		$54.4M Sell
200,404
-44,860
-18% -$13M 5.44% 5
2018
Q3 		$109M Hold
245,264
– – 9.85% 2
2018
Q2 		$115M Hold
245,264
– – 10.99% 3
2018
Q1 		$145M Hold
245,264
– – 14.51% 1
2017
Q4 		$133M Hold
245,264
– – 15% 1
2017
Q3 		$103M Hold
245,264
– – 13.7% 1
2017
Q2 		$60.8M Hold
245,264
– – 10.79% 3
2017
Q1 		$75M Hold
245,264
– – 18.97% 1
2016
Q4 		$35.8M Hold
245,264
– – 11.38% 3
2016
Q3 		$21.2M Hold
245,264
– – 6.51% 4
2016
Q2 		$16.3M Buy
245,264
+70,405
+40% +$4.62M 6.44% 5
2016
Q1 		$10.5M Hold
174,859
– – 3.68% 10
2015
Q4 		$15.8M Buy
174,859
+17,603
+11% +$1.92M 4.95% 7
2015
Q3 		$18M Buy
157,256
+26,080
+20% +$4.59M 8.21% 6
2015
Q2 		$30.3M Hold
131,176
– – 10.11% 3
2015
Q1 		$20.8M Buy
131,176
+47,030
+56% +$6.36M 6.95% 5
2014
Q4 		$7.94M Buy
+84,146
New +$8.29M 4.02% 12

Other funds holding ASMB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AC
Armistice Capital New York $8.17B AUM 68.82% 1-Year Est. Return
AIM
Alerce Investment Management Chicago, Illinois $56.8M AUM 31.17% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
BC
Boxer Capital San Diego, California $2.04B AUM 108.39% 1-Year Est. Return
CS
Candriam SCA Strassen, Luxembourg, Luxembourg $22.2B AUM 58.34% 1-Year Est. Return
PIM
Platinum Investment Management Sydney Australia 2000, Australia $407M AUM 87.11% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

EcoR1 Capital's ASMB Position: Q4 2020 in Review

EcoR1 Capital sold out of Assembly Biosciences (ASMB) in Q4 2020, closing a stake of 212,365 shares — an estimated $24.9M sold.

EcoR1 Capital first reported a position in ASMB in Q4 2014 and held it in 23 quarters. The position peaked at $145M in Q1 2018. 109 funds tracked by Wall St. Rank hold ASMB as of Q4 2020.

  • EcoR1 Capital reported no remaining Assembly Biosciences position as of Q4 2020 after selling out during the quarter.
  • EcoR1 Capital sold 212,365 Assembly Biosciences shares in Q4 2020, an estimated $24.9M.
  • EcoR1 Capital first reported a position in Assembly Biosciences in Q4 2014 and held it in 23 quarters.
  • EcoR1 Capital's Assembly Biosciences position peaked at $145M in Q1 2018.
  • 109 funds tracked by Wall St. Rank held Assembly Biosciences as of Q4 2020.

Based on EcoR1 Capital's 13F filing for Q4 2020, filed 16 Feb 2021.