Ecor1 Capital, Llc Insider Profile
25 Followers
Ecor1 Capital, Llc, Ten Percent Owner at Eiger Biopharmaceuticals, holds 1.55M shares in Atara Biotherapeutics (Ticker: ATRA), holds 347.31K shares in Aktis Oncology, Inc. (Ticker: AKTS), holds 100.37M shares in Adaptimmune Therapeutics (Ticker: ADAPY). Most recently, Ecor1 Capital, Llc Bought ― shares of Atara Biotherapeutics on May 11, 2026 for an estimated value of $4.74M.
Ecor1 Capital, Llc Eiger Biopharmaceuticals (EIGRQ)Ten Percent Owner
Eiger Biopharmaceuticals (EIGRQ)
Ten Percent Owner
Ranked #342 out of 107,146 Corporate Insiders
Profitable Transactions
33 out of 47 Profitable Transactions
Average Return
+36.80%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Ecor1 Capital, Llc holds in companies
Most Profitable Insider Trade
The most profitable trade made by Ecor1 Capital, Llc
Ecor1 Capital, Llc's Trading History
Eiger Biopharmaceuticals
Jun 30, 2015
―
Informative Buy
―
$24.17M
AKOUOS
Jul 02, 2020
―
Uninformative Buy
―
$26.26M
Surface Oncology
Sep 03, 2020
―
Informative Sell
2.38M
$5.03M
Prothena
May 06, 2025
Ten Percent Owner
Informative Sell
50.83M
$56.92M
AnaptysBio
Jan 02, 2025
Director, Ten Percent Owner
Informative Buy
1.10M
$546.33M
Corvus Pharmaceuticals
Oct 01, 2021
Ten Percent Owner
Informative Sell
25.04M
$1.26M
Odonate
Dec 10, 2021
Ten Percent Owner
Informative Buy
308.66K
$0.00
Voyager Therapeutics
Jan 11, 2023
Ten Percent Owner
Informative Sell
7.14M
$15.60M
Zymeworks
Jun 27, 2025
Director, Ten Percent Owner
Uninformative Buy
521.11
$548.76M
Tango Therapeutics
Nov 08, 2024
Ten Percent Owner
Informative Sell
8.42M
$244.72M
Mersana Therapeutics
Dec 23, 2024
―
Uninformative Sell
―
$329.42M
iTeos Therapeutics
May 16, 2025
―
Informative Buy
38.68M
$108.49M
Adaptimmune Therapeutics
Jul 30, 2025
Ten Percent Owner
Informative Sell
6.74M
$1.00M
Aktis Oncology, Inc.
Jan 12, 2026
Director
Uninformative Buy
―
$6.46M
Atara Biotherapeutics
May 11, 2026
Ten Percent Owner
Informative Buy
4.74M
$12.94M
GenVec Inc
May 27, 2014
―
Informative Buy
54.04K
$6.92M
List of latest transactions for each holding click on a transaction to see Ecor1 Capital, Llc's performance on stock
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Ecor1 Capital, Llc insider profile FAQ
What is the percentage of profitable transactions made by Ecor1 Capital, Llc?
The percentage of profitable transactions made by Ecor1 Capital, Llc is 70%.
What is the average return per transaction made by Ecor1 Capital, Llc?
The average return per transaction made by Ecor1 Capital, Llc is 36.80%.
What stocks does Ecor1 Capital, Llc hold?
Ecor1 Capital, Llc holds: EIGRQ, AKUS, SURF, PRTA, ANAB, CRVS, ODTC, VYGR, ZYME, TNGX, MRSN, ITOS, ADAPY, AKTS, ATRA, GNVC stocks.
What was Ecor1 Capital, Llc’s latest transaction?
Ecor1 Capital, Llc latest transaction was an Informative Buy of $4.74M.
What was Ecor1 Capital, Llc's most profitable transaction?
Ecor1 Capital, Llc’s most profitable transaction was an Informative Buy of ANAB stock on January 2, 2025. The return on the trade was 236.40%.
What is Ecor1 Capital, Llc's role in Eiger Biopharmaceuticals?
Ecor1 Capital, Llc's role in Eiger Biopharmaceuticals is Ten Percent Owner.
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