RCUS — Arcus Biosciences Inc

Ownership history in Siren, L.L.C. · 6 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in Arcus Biosciences Inc (RCUS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position

2.14% (2025 Q4)

Avg. % of fund

1.23%

First filed

2024 Q3

Last filed

2025 Q4

Quarters held

6

Quarter	Action	Shares	Change	Chg %	% of Fund	Mkt Value	Price (EOQ)
2025 Q4	ADDED	3,007,077	+95,000	+3.3%	2.14%	$71.7M	$23.83
2025 Q3	ADDED	2,912,077	+1,300,000	+80.6%	1.55%	$39.6M	$13.60
2025 Q2	UNCHANGED	1,612,077	—	0%	0.68%	$13.1M	$8.14
2025 Q1	UNCHANGED	1,612,077	—	0%	0.72%	$12.7M	$7.85

% of Fund (quarterly) RCUS price (monthly, adj. close)

Other funds also holding RCUS

As of 2025 Q4 — sorted by position size

GILEAD SCIENCES, INC. 38.69% SUVRETTA CAPITAL MANAGEMENT, LLC 3Y 7Y 2.53% DAFNA Capital Management LLC 3Y 7Y 2.39% Parkman Healthcare Partners LLC 3Y 2.2% Decheng Capital LLC 1.74% First Turn Management, LLC 1.54% Logos Global Management LP 3Y 1.51% Knott David M Jr 3Y 1.34% Sofinnova Investments, Inc. 3Y 7Y 1.13% SECTORAL ASSET MANAGEMENT INC 3Y 7Y 1.09%

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