Activist 13D/13G Filings - EcoR1 Capital LLC

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2022-02-14
1:39 pm
Purchase		13GGRITSTONE BIO INC
GRTS		EcoR1 Capital LLC6,319,232
9.3%		1,384,300increase
(+28.05%)		View
2022-02-14
1:38 pm
Sale		13GARS PHARMACEUTICALS, INC
SPRY		EcoR1 Capital LLC1,060,010
3%		-1,473,625decrease
(-58.16%)		View
2022-02-14
1:38 pm
Sale		13GINFINITY PHARMACEUTICALS INC C
INFI		EcoR1 Capital LLC0
0%		-4,368,500decrease
(Position Closed)		View
2022-02-14
1:37 pm
Sale		13GAC IMMUNE SA SHS
ACIU		EcoR1 Capital LLC749,585
0.9%		-3,952,575decrease
(-84.06%)		View
2022-02-14
12:49 pm
Purchase		13GXENCOR INC
XNCR		EcoR1 Capital LLC4,906,106
8.4%		359,034increase
(+7.90%)		View
2022-02-02
7:52 pm
Purchase		13GGALAPAGOS NV SPONSORED ADR
GLPG		EcoR1 Capital LLC3,407,246
5.2%		3,407,246increase
(New Position)		View
2022-01-31
4:39 pm
Purchase		13GKURA ONCOLOGY INC
KURA		EcoR1 Capital LLC4,543,447
6.8%		2,770,410increase
(+156.25%)		View
2022-01-13
6:45 pm
Purchase		13DPROTHENA CORP PLC SHS
PRTA		EcoR1 Capital LLC11,584,280
24.9%		2,157,640increase
(+22.89%)		View
2021-12-10
5:24 pm
Sale		13GODONATE THERAPEUTICS INC
ODT		EcoR1 Capital LLC0
0%		-5,701,669decrease
(Position Closed)		View
2021-12-10
5:08 pm
Purchase		13GATEA PHARMACEUTICALS INC
AVIR		EcoR1 Capital LLC5,376,134
6.5%		5,376,134increase
(New Position)		View
2021-11-18
1:03 pm
Purchase		13GODONATE THERAPEUTICS INC
ODT		EcoR1 Capital LLC5,701,669
14.8%		2,337,969increase
(+69.51%)		View
2021-11-16
12:20 pm
Purchase		13G2SEVENTY BIO INC
TSVT		EcoR1 Capital LLC1,890,663
8.1%		1,890,663increase
(New Position)		View
2021-10-22
4:46 pm
Purchase		13GVOYAGER THERAPEUTICS INC
VYGR		EcoR1 Capital LLC3,557,507
9.4%		3,557,507increase
(New Position)		View
2021-10-05
1:03 pm
Sale		13GCORVUS PHARMACEUTICALS INC
CRVS		EcoR1 Capital LLC81,077
0.2%		-5,000,000decrease
(-98.40%)		View
2021-09-23
3:14 pm
Purchase		13GCORVUS PHARMACEUTICALS INC
CRVS		EcoR1 Capital LLC5,081,077
12%		1,501,700increase
(+41.95%)		View
2021-07-19
5:23 pm
Purchase		13GODONATE THERAPEUTICS INC
ODT		EcoR1 Capital LLC3,363,700
8.7%		3,363,700increase
(New Position)		View
2021-07-19
5:16 pm
Purchase		13GARCUS BIOSCIENCES INC
RCUS		EcoR1 Capital LLC4,572,047
6.4%		4,572,047increase
(New Position)		View
2021-07-12
1:26 pm
Purchase		13GALECTOR INC
ALEC		EcoR1 Capital LLC4,742,634
6%		4,742,634increase
(New Position)		View
2021-05-17
5:16 pm
Purchase		13GSHATTUCK LABS INC
STTK		EcoR1 Capital LLC3,295,088
7.9%		3,295,088increase
(New Position)		View
2021-05-11
4:08 pm
Purchase		13DANAPTYSBIO INC
ANAB		EcoR1 Capital LLC7,520,424
27.5%		368,800increase
(+5.16%)		View
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