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Grantham, Mayo, Van Otterloo & Co. LLC

Position in ALT — Altimmune, Inc.

CIK 1352662 Boston, MA

Position in ALT

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$254,864
-$134,414 QoQ
Shares Held
83,837
-33.7% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#83
of 210 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $101,442,658 across 6 Biotechnology names. ALT ranks #5 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 ALT
Altimmune, Inc.
This page
83,837 $254,864

All Filings in ALT

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $254,864 83,837
2026-03-31 $389,278 126,389
2025-12-31 $622,937 172,559