AMERIPRISE FINANCIAL INC - 31 Mar 2025 SCHEDULE 13G/A Report for Altimmune, Inc Common Stock (ALT)

Filing Manager
AMERIPRISE FINANCIAL INC
Reporting Manager
Ameriprise Financial, Inc.
Symbol
ALT
Shares outstanding
75,996,421 shares
Disclosed Ownership
1,443,932 shares
Ownership
1.9%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 11:05:50 UTC
Date of event
31 Mar 2025
Previous filing
14 Feb 2025

Quoteable Key Fact

"AMERIPRISE FINANCIAL INC disclosed 1.9% ownership in Altimmune, Inc Common Stock (ALT) on 31 Mar 2025."

Quick Takeaways

  • AMERIPRISE FINANCIAL INC filed SCHEDULE 13G/A for Altimmune, Inc Common Stock (ALT).
  • Disclosed ownership: 1.9%.
  • Date of event: 31 Mar 2025.

What Changed

  • Previous schedule filing date: 14 Feb 2025.
  • Current filing was accepted on 15 May 2025, 11:05.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Ameriprise Financial, Inc. 1.9% 1,443,932 1,428,430 /s/ Michael G. Clarke Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services
TAM UK International Holdings Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
Threadneedle Holdings Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
TAM UK Holdings Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
Threadneedle Asset Management Holdings Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
TC Financing Ltd 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
Threadneedle Asset Management Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services
Threadneedle Investment Services Limited 1.7% 1,324,639 1,324,639 /s/ Michael G. Clarke By: Columbia Management Investment Advisers, LLC, as Attorney in Fact, By: Michael G. Clarke, SVP, North America H.O. & Investor Services