Agenus Inc. (AGEN)
Nasdaq: AGEN · Biological Products, (No Diagnostic Substances) · Lexington, MA · filing with the SEC since 1999
Who owns Agenus Inc.
As filed with the SECHolders of 5% or more
4
Raymond Debbane holds 9.99% of Common Stock, $0.01 par value per share, as its SCHEDULE 13G filed Jul 17, 2026 says.
Directors and officers
9
report now, of 26 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Raymond Debbane
SCHEDULE 13G · filed Jul 17, 2026 · Common Stock, $0.01 par value per share
RA Capital Management, L.P.
SCHEDULE 13G · filed Jul 20, 2026 · Common Stock, $0.01 par value per share
Blackrock, Inc.
SCHEDULE 13G · filed Jul 27, 2026 · Common Stock · 1.8% in Jul 16, 2025
Zynext Ventures Usa LLC
SCHEDULE 13D · filed Jan 23, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 8.06% in Oct 30, 2025
What AGEN reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
H C R
An entity · legal entity · owns, named in the 10-K filed Mar 16, 2026
Medpace, Inc.
An entity · legal entity · owns, named in the 10-K filed Mar 16, 2026
Zydus Pharmaceuticals Inc
An entity · legal entity · owns, named in the 10-K filed Mar 16, 2026
5 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 16, 2026.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2024 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.