← Insider buys

Ecor1 Capital, LLC has bought stock on 30 days since Jun 2020

10% owner at Atara Biotherapeutics, Inc., and 12 other companies

SEC CIK 0001587114 · Filings on SEC.gov ↗

$377.3MBought
$117.8MSold
May 11Last buy

Ecor1 Capital, LLC's record

3 months after each buy, from the first price a copier could get.

−4.2%Average
−5.8 ptsVs S&P 500
9 of 25Higher

25 buys since 2020 with 3 months of prices.

Companies

Every filing

38 filings since Jul 2020, newest first

ATRABuy

Atara Biotherapeutics, Inc.

10% owner

$4.7M+49.0%May 11
TRAXSell

First Tracks Biotherapeutics, Inc.

10% owner

$65.0M−60.0%Apr 22
AKTSBuy

Aktis Oncology, Inc.

Director

$40.0M−119.0%Jan 12
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$636KMay 19
ITOSBuy

Iteos Therapeutics, Inc.

10% owner

$38.7M+87.0%May 16
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$1.5M+1.0%Apr 18
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$1.5M+1.0%Apr 2
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$1.2M+1.0%Mar 27
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$1.6M+1.0%Mar 24
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$2.9M+1.0%Mar 19
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$13.1M+7.0%Mar 13
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$2.0M+1.0%Jan 21
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$2.3M+1.0%Jan 15
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$3.0M+1.0%Jan 10
ANABBuy

Anaptysbio, Inc

Director and 10% owner

$1.1M+1.0%Jan 2
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$5.3M+2.0%Jan 2
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$1.9M+1.0%Dec 27
ZYMEBuy

Zymeworks Inc.

Director and 10% owner

$17.5M+9.0%Dec 26
TNGXSell

Tango Therapeutics, Inc.

10% owner

$8.4M−20.0%Nov 8
ANABBuy

Anaptysbio, Inc

10% owner

$10.0M+4.0%Aug 16
ZYMEBuy

Zymeworks Inc.

10% owner

$27.2M+33.0%Jun 21
ZYMEBuy

Zymeworks Inc.

10% owner

$3.0M+3.0%Jan 23
ZYMEBuy

Zymeworks Inc.

10% owner

$9.7M+11.0%Jan 18
ZYMEBuy

Zymeworks Inc.

10% owner

$7.9M+14.0%Jan 12
VYGRSell

Voyager Therapeutics, Inc.

10% owner

$7.1M−19.0%Jan 11
ANABBuy

Anaptysbio, Inc

10% owner

$14.5M+5.0%May 9
PRTABuy

Prothena Corp Public Ltd Co

10% owner

$30.8M+5.0%May 9
PRTABuy

Prothena Corp Public Ltd Co

10% owner

$11.3M+3.0%Jan 12
ODTSell

Odonate Therapeutics, Inc.

10% owner

$9.7M−100.0%Dec 10
CRVSSell

Corvus Pharmaceuticals, Inc.

10% owner

$25.1M−98.0%Oct 1
ANABBuy

Anaptysbio, Inc

Director and 10% owner

$5.1M+3.0%May 4
ANABBuy

Anaptysbio, Inc

Director and 10% owner

$3.5M+2.0%Apr 27
PRTABuy

Prothena Corp Public Ltd Co

10% owner

$18.2M+9.0%Mar 25
ANABBuy

Anaptysbio, Inc

10% owner

$62.6M+86.0%Mar 10
PRTABuy

Prothena Corp Public Ltd Co

10% owner

$1.0MFeb 23
PRTABuy

Prothena Corp Public Ltd Co

10% owner

$13.7M+7.0%Feb 17
SURFSell

Surface Oncology, Inc.

10% owner

$2.4M−7.0%Sep 3
AKUSBuy

Akouos, Inc.

10% owner

$20.0M+147.0%Jul 2
About Ecor1 Capital, LLC

EcoR1 Capital, LLC is a San Francisco-based biotech-focused investment firm founded in 2012 or 2013 by Oleg Nodelman, who serves as its Founder and Portfolio Manager.( The firm specializes in investing across all stages of research and development in the biotechnology sector, particularly in healthcare, life sciences, and oncology, with a patient-driven ethos that emphasizes exceptional management, strong science, and innovative therapeutics.( It manages discretionary assets of approximately $5 billion as reported in early 2024, with a portfolio value around $2-4 billion in recent filings, featuring top holdings such as Zymeworks Inc., AnaptysBio, Inc., and Apellis Pharmaceuticals.(

EcoR1 Capital, LLC operates from 357 Tehama Street, Floor 3, San Francisco, CA, and has established itself as a significant player in biotech investing, holding board positions or significant ownership in companies like Zymeworks (as Director and 10% Owner), AnaptysBio, and Galapagos through its leadership.( The firm recently traded as a Director at Aktis Oncology, Inc. (AKTS), reflecting its active involvement in oncology-related investments.[user query context] With over 30 holdings and a concentrated top-10 portfolio allocation, EcoR1 supports advancements in treatments for cancer, immunology, and autoimmune diseases.(

Written by Perplexity from public sources.

Filings come from SEC EDGAR. Not investment advice.