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
What is insider trading>>
Time period
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Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2024-12-23
7:54 pm
Purchase		13DZymeworks Inc.
ZYME		EcoR1 Capital LLC14,692,281
21.300%		559,990increase
(+3.96%)		View
2024-12-23
7:50 pm
Sale		13GMersana Therapeutics, Inc.
MRSN		EcoR1 Capital LLC11,578,447
9.990%		-7,786,241decrease
(-40.21%)		View
2024-12-17
5:01 pm
Purchase		13GuniQure N.V.
QURE		EcoR1 Capital LLC3,632,087
7.500%		3,632,087increase
(New Position)		View
2024-12-09
4:04 pm
Purchase		13GEton Pharmaceuticals, Inc.
ETON		EcoR1 Capital LLC1,397,669
5.400%		1,397,669increase
(New Position)		View
2024-11-15
10:34 am
Sale		13GAtea Pharmaceuticals, Inc.
AVIR		EcoR1 Capital LLC5,441,896
6.400%		-1,553,965decrease
(-22.21%)		View
2024-11-14
6:22 pm
Sale		13GEdgewise Therapeutics, Inc.
EWTX		EcoR1 Capital LLC1,250,385
1.300%		-2,242,809decrease
(-64.21%)		View
2024-11-14
6:19 pm
Purchase		13GAligos Therapeutics, Inc.
ALGS		EcoR1 Capital LLC356,117
9.990%		356,117increase
(New Position)		View
2024-11-14
6:16 pm
Purchase		13GXencor, Inc.
XNCR		EcoR1 Capital LLC6,719,304
9.400%		1,436,788increase
(+27.20%)		View
2024-11-14
6:13 pm
Purchase		13GVoyager Therapeutics, Inc.
VYGR		EcoR1 Capital LLC5,617,719
9.990%		1,766,212increase
(+45.86%)		View
2024-11-14
6:10 pm
Purchase		13GAtara Biotherapeutics, Inc.
ATRA		EcoR1 Capital LLC493,463
9.990%		493,463increase
(New Position)		View
2024-11-14
6:07 pm
Purchase		13GHOOKIPA Pharma Inc.
HOOK		EcoR1 Capital LLC571,727
5.900%		571,727increase
(New Position)		View
2024-11-14
6:04 pm
Sale		13GiTeos Therapeutics, Inc.
ITOS		EcoR1 Capital LLC1,608,616
4.400%		-336,056decrease
(-17.28%)		View
2024-11-14
6:01 pm
Sale		13GOvid Therapeutics Inc.
OVID		EcoR1 Capital LLC0
0.000%		-6,117,400decrease
(Position Closed)		View
2024-11-14
5:54 pm
Sale		13GORIC Pharmaceuticals, Inc.
ORIC		EcoR1 Capital LLC3,418,068
4.900%		-2,857,142decrease
(-45.53%)		View
2024-11-14
5:46 pm
Purchase		13GCrinetics Pharmaceuticals, Inc.
CRNX		EcoR1 Capital LLC4,288,120
4.800%		132,745increase
(+3.19%)		View
2024-11-14
5:43 pm
Sale		13GCentessa Pharmaceuticals plc
CNTA		EcoR1 Capital LLC3,223,851
2.900%		-2,394,928decrease
(-42.62%)		View
2024-10-08
4:35 pm
Purchase		13DGalapagos NV
GLPG		EcoR1 Capital LLC7,094,049
10.770%		588,159increase
(+9.04%)		View
2024-09-03
5:51 pm
Purchase		13GAadi Bioscience, Inc.
AADI		EcoR1 Capital LLC1,845,253
7.500%		1,845,253increase
(New Position)		View
2024-08-23
4:01 pm
Unchanged		13DGalapagos NV
GLPG		EcoR1 Capital LLC6,505,890
9.900%		0
(Unchanged)		View
2024-08-16
12:07 pm
Purchase		13DAnaptysBio, Inc.
ANAB		EcoR1 Capital LLC7,794,996
25.800%		274,572increase
(+3.65%)		View
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