OSTRUM ASSET MANAGEMENT

Q4 2025 13F Combination Report, Stock Holdings

Signature - Title
Christine Cousinet Metrot - CHIEF COMPLIANCE OFFICER
Location
Paris, France
Holdings as of
31 Dec 2025
Value $
$2,084,373,651
Num holdings
572
Filing time
13 Feb 2026, 16:05:54 UTC
Form type
13F-HR
Description
A portion of the US holdings for this investor are reported in this report and a portion are reported by other reporting manager(s). Top holdings included NVDA, MSFT, GOOGL, AMZN, and AVGO.
Previous filing
Q3 2025 - 14 Nov 2025
Sym Weight Trade Impact Company Class Share Change Activity Value Change $ Value $ * Price $ Shares Principal
Filing 2025 Q4 compared to 2025 Q3 by default. Changes are calculated vs the previous SEC filing.
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name Title City, State Date
CHRISTINE COUSINET-METROT CHIEF COMPLIANCE OFFICER Paris, France 10 Feb 2026

List of Other Managers Reporting for OSTRUM ASSET MANAGEMENT:

Name Holdings Value Location File Number
LOOMIS SAYLES & CO L P $82,426,381,383 Boston, MA 028-00398

Other Included Managers (1):

Num Name Location File Number
1 Natixis Investment Managers SA Paris, France