Filed: 5/14/2026ACC: 0001104659-26-061164
📋 What this filing means
OSTRUM ASSET MANAGEMENT filed this quarterly 13F‑HR report disclosing 562 equity positions with a total reported market value of $1.78B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
562
Positions
$1.78B
Total AUM (reported)
15.27M
Total Shares
Allocation by class
COMMON STOCK$1.76B98.7%
EXCHANGE TRADED FUND$23.89M1.3%
Portfolio Concentration
Top 3$259.69M14.6%
4–10$344.25M19.3%
11–25$427.17M24.0%
Rest$750.01M42.1%
Top 3 weight
14.6%
Top 10 weight
33.9%
Voting Authority Distribution
Total shares with voting rights: 15.27M
Sole
Full voting authority
15.26M
shares
% of voting shares100.0%
Shared
Joint voting authority
7.59K
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other562
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings562
Rows:
NVIDIA CORPORATION
DFNDShares646.41K
TypeSH
Market value$112.73M
6.33%
Sole
646.41K
Shared
0.00
None
0.00
ALPHABET INC
DFNDShares256.42K
TypeSH
Market value$73.74M
4.14%
Sole
256.42K
Shared
0.00
None
0.00
APPLE INC
DFNDShares288.50K
TypeSH
Market value$73.22M
4.11%
Sole
288.50K
Shared
0.00
None
0.00
APPLIED MATLS INC
DFNDShares212.47K
TypeSH
Market value$72.62M
4.08%
Sole
212.47K
Shared
0.00
None
0.00
ELI LILLY & CO
DFNDShares74.09K
TypeSH
Market value$68.15M
3.83%
Sole
74.09K
Shared
0.00
None
0.00
AMAZON COM INC
DFNDShares264.89K
TypeSH
Market value$55.17M
3.10%
Sole
264.89K
Shared
0.00
None
0.00
CUMMINS INC
DFNDShares70.12K
TypeSH
Market value$37.72M
2.12%
Sole
70.12K
Shared
0.00
None
0.00
JPMORGAN CHASE & CO
DFNDShares126.44K
TypeSH
Market value$37.19M
2.09%
Sole
126.44K
Shared
0.00
None
0.00
GE AEROSPACE
DFNDShares130.33K
TypeSH
Market value$36.98M
2.08%
Sole
130.33K
Shared
0.00
None
0.00
VISA INC
DFNDShares120.48K
TypeSH
Market value$36.42M
2.04%
Sole
120.48K
Shared
0.00
None
0.00
EATON CORP PLC
DFNDShares98.70K
TypeSH
Market value$35.30M
1.98%
Sole
98.70K
Shared
0.00
None
0.00
SCHWAB CHARLES CORP
DFNDShares356.53K
TypeSH
Market value$33.51M
1.88%
Sole
356.53K
Shared
0.00
None
0.00
SHOPIFY INC
DFNDShares255.68K
TypeSH
Market value$30.33M
1.70%
Sole
255.68K
Shared
0.00
None
0.00
HONEYWELL INTL INC
DFNDShares130.27K
TypeSH
Market value$29.44M
1.65%
Sole
130.27K
Shared
0.00
None
0.00
ROSS STORES INC
DFNDShares135.12K
TypeSH
Market value$29.27M
1.64%
Sole
135.12K
Shared
0.00
None
0.00
MICROSOFT CORP
DFNDShares77.16K
TypeSH
Market value$28.56M
1.60%
Sole
77.16K
Shared
0.00
None
0.00
NUCOR CORP
DFNDShares168.44K
TypeSH
Market value$28.48M
1.60%
Sole
168.44K
Shared
0.00
None
0.00
ILLUMINA INC
DFNDShares230.27K
TypeSH
Market value$28.38M
1.59%
Sole
230.27K
Shared
0.00
None
0.00
VULCAN MATLS CO
DFNDShares102.23K
TypeSH
Market value$27.84M
1.56%
Sole
102.23K
Shared
0.00
None
0.00
META PLATFORMS INC
DFNDShares47.77K
TypeSH
Market value$27.33M
1.53%
Sole
47.77K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
DFNDShares56.33K
TypeSH
Market value$26.99M
1.52%
Sole
56.33K
Shared
0.00
None
0.00
SYNOPSYS INC
DFNDShares66.24K
TypeSH
Market value$26.26M
1.47%
Sole
66.24K
Shared
0.00
None
0.00
LINCOLN ELEC HLDGS INC
DFNDShares104.21K
TypeSH
Market value$25.96M
1.46%
Sole
104.21K
Shared
0.00
None
0.00
UNITED RENTALS INC
DFNDShares35.17K
TypeSH
Market value$25.62M
1.44%
Sole
35.17K
Shared
0.00
None
0.00
ISHARES TR
DFNDShares520K
TypeSH
Market value$23.89M
1.34%
Sole
520K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONDFND | Common Stock | 646.41K | SH | $112.73M 6.33% | 646.41K | 0.00 | 0.00 |
ALPHABET INCDFND | Common Stock | 256.42K | SH | $73.74M 4.14% | 256.42K | 0.00 | 0.00 |
APPLE INCDFND | Common Stock | 288.50K | SH | $73.22M 4.11% | 288.50K | 0.00 | 0.00 |
APPLIED MATLS INCDFND | Common Stock | 212.47K | SH | $72.62M 4.08% | 212.47K | 0.00 | 0.00 |
ELI LILLY & CODFND | Common Stock | 74.09K | SH | $68.15M 3.83% | 74.09K | 0.00 | 0.00 |
AMAZON COM INCDFND | Common Stock | 264.89K | SH | $55.17M 3.10% | 264.89K | 0.00 | 0.00 |
CUMMINS INCDFND | Common Stock | 70.12K | SH | $37.72M 2.12% | 70.12K | 0.00 | 0.00 |
JPMORGAN CHASE & CODFND | Common Stock | 126.44K | SH | $37.19M 2.09% | 126.44K | 0.00 | 0.00 |
GE AEROSPACEDFND | Common Stock | 130.33K | SH | $36.98M 2.08% | 130.33K | 0.00 | 0.00 |
VISA INCDFND | Common Stock | 120.48K | SH | $36.42M 2.04% | 120.48K | 0.00 | 0.00 |
EATON CORP PLCDFND | Common Stock | 98.70K | SH | $35.30M 1.98% | 98.70K | 0.00 | 0.00 |
SCHWAB CHARLES CORPDFND | Common Stock | 356.53K | SH | $33.51M 1.88% | 356.53K | 0.00 | 0.00 |
SHOPIFY INCDFND | Common Stock | 255.68K | SH | $30.33M 1.70% | 255.68K | 0.00 | 0.00 |
HONEYWELL INTL INCDFND | Common Stock | 130.27K | SH | $29.44M 1.65% | 130.27K | 0.00 | 0.00 |
ROSS STORES INCDFND | Common Stock | 135.12K | SH | $29.27M 1.64% | 135.12K | 0.00 | 0.00 |
MICROSOFT CORPDFND | Common Stock | 77.16K | SH | $28.56M 1.60% | 77.16K | 0.00 | 0.00 |
NUCOR CORPDFND | Common Stock | 168.44K | SH | $28.48M 1.60% | 168.44K | 0.00 | 0.00 |
ILLUMINA INCDFND | Common Stock | 230.27K | SH | $28.38M 1.59% | 230.27K | 0.00 | 0.00 |
VULCAN MATLS CODFND | Common Stock | 102.23K | SH | $27.84M 1.56% | 102.23K | 0.00 | 0.00 |
META PLATFORMS INCDFND | Common Stock | 47.77K | SH | $27.33M 1.53% | 47.77K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELDFND | Common Stock | 56.33K | SH | $26.99M 1.52% | 56.33K | 0.00 | 0.00 |
SYNOPSYS INCDFND | Common Stock | 66.24K | SH | $26.26M 1.47% | 66.24K | 0.00 | 0.00 |
LINCOLN ELEC HLDGS INCDFND | Common Stock | 104.21K | SH | $25.96M 1.46% | 104.21K | 0.00 | 0.00 |
UNITED RENTALS INCDFND | Common Stock | 35.17K | SH | $25.62M 1.44% | 35.17K | 0.00 | 0.00 |
ISHARES TRDFND | Exchange Traded Fund | 520K | SH | $23.89M 1.34% | 520K | 0.00 | 0.00 |
Page 1 of 23
…