Skip to main content

Grantham, Mayo, Van Otterloo & Co. LLC

Position in ALT — Altimmune, Inc.

CIK 1352662 Boston, MA

Position in ALT

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$389,278
-$233,659 QoQ
Shares Held
126,389
-26.8% QoQ
Ownership
0.065%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ALT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $93,420,610 across 9 Biotechnology names. ALT ranks #5 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 ALT
Altimmune, Inc.
This page
126,389 $389,278

All Filings in ALT

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $389,278 126,389
2025-12-31 $622,937 172,559