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SR ONE CAPITAL MANAGEMENT, LLC Insider Profile
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SR ONE CAPITAL MANAGEMENT, LLC, Ten Percent Owner at Arcellx Inc, holds 5.04M shares in Zenas BioPharma, Inc. (Ticker: ZBIO), holds 6.21M shares in eFFECTOR Therapeutics (Ticker: EFTR), holds 4.49M shares in Arcellx Inc (Ticker: ACLX). Most recently, SR ONE CAPITAL MANAGEMENT, LLC Bought ― shares of Zenas BioPharma, Inc. on Oct 14, 2025 for an estimated value of $2.40M.
SR ONE CAPITAL MANAGEMENT, LLC Arcellx Inc (ACLX)Ten Percent Owner
Arcellx Inc (ACLX)
Ten Percent Owner
Ranked #28,877 out of 103,913 Corporate Insiders
Profitable Transactions
2 out of 3 Profitable Transactions
Average Return
+20.80%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that SR ONE CAPITAL MANAGEMENT, LLC holds in companies
Most Profitable Insider Trade
The most profitable trade made by SR ONE CAPITAL MANAGEMENT, LLC
SR ONE CAPITAL MANAGEMENT, LLC's Trading History
Arcellx Inc
May 15, 2023
Ten Percent Owner
Informative Sell
45.59M
$391.86M
eFFECTOR Therapeutics
Nov 29, 2023
Ten Percent Owner
Informative Sell
365.50K
$198.81K
Zenas BioPharma, Inc.
Oct 14, 2025
Ten Percent Owner
Informative Buy
2.40M
$130.23M
List of latest transactions for each holding click on a transaction to see SR ONE CAPITAL MANAGEMENT, LLC's performance on stock
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SR ONE CAPITAL MANAGEMENT, LLC insider profile FAQ
What is the percentage of profitable transactions made by SR ONE CAPITAL MANAGEMENT, LLC?
The percentage of profitable transactions made by SR ONE CAPITAL MANAGEMENT, LLC is 67%.
What is the average return per transaction made by SR ONE CAPITAL MANAGEMENT, LLC?
The average return per transaction made by SR ONE CAPITAL MANAGEMENT, LLC is 20.80%.
What stocks does SR ONE CAPITAL MANAGEMENT, LLC hold?
SR ONE CAPITAL MANAGEMENT, LLC holds: ACLX, EFTR, ZBIO stocks.
What was SR ONE CAPITAL MANAGEMENT, LLC’s latest transaction?
SR ONE CAPITAL MANAGEMENT, LLC latest transaction was an Informative Buy of $2.40M.
What was SR ONE CAPITAL MANAGEMENT, LLC's most profitable transaction?
SR ONE CAPITAL MANAGEMENT, LLC’s most profitable transaction was an Informative Buy of ACLX stock on February 10, 2022. The return on the trade was 80.00%.
What is SR ONE CAPITAL MANAGEMENT, LLC's role in Arcellx Inc?
SR ONE CAPITAL MANAGEMENT, LLC's role in Arcellx Inc is Ten Percent Owner.
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