Institutional Manager · CIK 0001767945
OSTRUM ASSET MANAGEMENT
Paris, I0 · File #028-19266
Latest AUM
$2.08B
Positions
572
Top-10 Concentration
53.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | APPLIED MATLS INC | 038222105 | +170,548 | +$43.8M | +$1.0M |
| ADD | APPLE INC | AAPL | +130,692 | +$35.5M | +$2.2M |
| REDUCE | SPOTIFY TECHNOLOGY S A | SPOT | -51,703 | -$30.0M | -$6.4M |
| NEW | ISHARES TR | 46429B598 | +520,000 | +$28.1M | $0 |
| REDUCE | SHERWIN WILLIAMS CO | SHW | -68,532 | -$22.2M | -$1.6M |
| REDUCE | MOTOROLA SOLUTIONS INC | MSI | -55,644 | -$21.3M | -$5.0M |
| ADD | SYNOPSYS INC | SNPS | +43,624 | +$20.5M | -$94,254 |
| ADD | NUCOR CORP | NUE | +123,237 | +$20.1M | +$232,263 |
| REDUCE | MONDELEZ INTL INC | 609207105 | -325,003 | -$17.5M | -$3.3M |
| ADD | SERVICENOW INC | NOW | +112,618 | +$17.3M | -$20.3M |
Sector Allocation
Filing History
- 13F COMBINATION REPORTQ/E Dec 2025572 pos · $2.08B
- 13F COMBINATION REPORTQ/E Sep 2025570 pos · $2.23B
- 13F COMBINATION REPORTQ/E Jun 2025571 pos · $2.13B
- 13F COMBINATION REPORTQ/E Mar 2025642 pos · $1.90B
- 13F COMBINATION REPORTQ/E Dec 2024627 pos · $1.15B
- 13F COMBINATION REPORTQ/E Sep 2024635 pos · $1.21B
- 13F COMBINATION REPORTQ/E Jun 2024644 pos · $1.15B
- 13F COMBINATION REPORTQ/E Mar 2024654 pos · $1.27B
- 13F COMBINATION REPORTQ/E Dec 2023680 pos · $1.08B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 575,722 | $107.4M | 7.45% |
| 2 | MICROSOFT CORP | MSFT | 200,588 | $97.0M | 6.73% |
| 3 | ALPHABET INC | GOOG | 307,111 | $96.1M | 6.67% |
| 4 | AMAZON COM INC | AMZN | 394,376 | $91.0M | 6.32% |
| 5 | BROADCOM INC | AVGO | 256,081 | $88.6M | 6.15% |
| 6 | ELI LILLY & CO | LLY | 68,003 | $73.1M | 5.07% |
| 7 | APPLE INC | AAPL | 259,077 | $70.4M | 4.89% |
| 8 | META PLATFORMS INC | META | 80,242 | $53.0M | 3.68% |
| 9 | JPMORGAN CHASE & CO. | VYLD | 153,234 | $49.4M | 3.43% |
| 10 | APPLIED MATLS INC | 038222105 | 189,709 | $48.8M | 3.38% |
| 11 | MONOLITHIC PWR SYS INC | 609839105 | 46,882 | $42.5M | 2.95% |
| 12 | UNITED RENTALS INC | URI | 50,550 | $40.9M | 2.84% |
| 13 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 73,239 | $36.8M | 2.56% |
| 14 | OREILLY AUTOMOTIVE INC | 67103H107 | 370,252 | $33.8M | 2.34% |
| 15 | GE AEROSPACE | 369604301 | 103,483 | $31.9M | 2.21% |
| 16 | DISNEY WALT CO | 254687106 | 267,347 | $30.4M | 2.11% |
| 17 | INTERCONTINENTAL EXCHANGE IN | 45866F104 | 184,781 | $29.9M | 2.08% |
| 18 | EATON CORP PLC | ETN | 93,831 | $29.9M | 2.07% |
| 19 | CAPITAL ONE FINL CORP | 14040H105 | 122,323 | $29.6M | 2.06% |
| 20 | VULCAN MATLS CO | 929160109 | 101,643 | $29.0M | 2.01% |