OSTRUM ASSET MANAGEMENT — 13F Holdings & Portfolio
CIK 1767945 · latest 13F-HR filed 2026-08-13
OSTRUM ASSET MANAGEMENT manages $2.08B in 13F-reported U.S. long-equity assets across 549 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AMAT (6.39%), NVDA (6.25%), GOOGL (4.37%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 17 new positions, exited 30, added to 336, and trimmed 127.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
PARIS, I0 75013
$2.08B
Long-equity book
549
Distinct positions
2026-06-30
Filed 2026-08-13
+17 / −30 / ↑336 / ↓127
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- APPLIED MATLS INC$59.9M +82.5%
- PARKER-HANNIFIN CORP$29.6M +1653.5%
- EXELON CORP$25.6M +434.0%
- QNITY ELECTRONICS INC$23.8M +11625.4%
- ELI LILLY & CO$18.7M +27.4%
Top Trims
- INTERCONTINENTAL EXCHANGE IN-$20.6M -92.5%
- SHOPIFY INC-$5.7M -18.8%
- KOSMOS ENERGY LTD-$2.7M -24.1%
- CBOE GLOBAL MKTS INC-$2.2M -31.5%
- CME GROUP INC-$2.0M -32.9%
New Positions
- CARNIVAL CORP LTD$1.7M
- MOOG INC$1.5M
- REGAL REXNORD CORPORATION$1.3M
- ATI INC$1.2M
- GENERAC HLDGS INC$939.9K
Exited Positions
- HONEYWELL INTL INC$29.4M
- LINCOLN ELEC HLDGS INC$26.0M
- ISHARES TR$23.9M
- ESSENTIAL UTILS INC$2.3M
- HELIOS TECHNOLOGIES INC$1.2M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLIED MATLS INC | AMAT | 038222105 | $132.5M | 6.39% | 183,314 | SH |
| 2 | NVIDIA CORPORATION | NVDA | 67066G104 | $129.7M | 6.25% | 648,296 | SH |
| 3 | ALPHABET INC | GOOGL | 02079K305 | $90.7M | 4.37% | 253,688 | SH |
| 4 | ELI LILLY & CO | LLY | 532457108 | $86.8M | 4.18% | 72,402 | SH |
| 5 | APPLE INC | AAPL | 037833100 | $86.3M | 4.16% | 298,092 | SH |
| 6 | AMAZON COM INC | AMZN | 023135106 | $63.9M | 3.08% | 268,144 | SH |
| 7 | CUMMINS INC | CMI | 231021106 | $49.5M | 2.39% | 69,463 | SH |
| 8 | GE AEROSPACE | GE | 369604301 | $45.2M | 2.18% | 120,951 | SH |
| 9 | EATON CORP PLC | ETN | G29183103 | $43.0M | 2.07% | 100,903 | SH |
| 10 | JPMORGAN CHASE & CO | JPM | 46625H100 | $41.5M | 2.00% | 126,799 | SH |
| 11 | VISA INC | V | 92826C839 | $41.4M | 1.99% | 120,532 | SH |
| 12 | UNITED RENTALS INC | URI | 911363109 | $38.7M | 1.86% | 34,152 | SH |
| 13 | MONOLITHIC PWR SYS INC | MPWR | 609839105 | $38.6M | 1.86% | 27,940 | SH |
| 14 | NUCOR CORP | NUE | 670346105 | $37.5M | 1.81% | 168,438 | SH |
| 15 | SCHWAB CHARLES CORP | SCHW | 808513105 | $34.4M | 1.66% | 372,338 | SH |
| 16 | EXELON CORP | EXC | 30161N101 | $31.5M | 1.52% | 676,350 | SH |
| 17 | PARKER-HANNIFIN CORP | PH | 701094104 | $31.4M | 1.51% | 32,130 | SH |
| 18 | VULCAN MATLS CO | VMC | 929160109 | $30.6M | 1.48% | 103,861 | SH |
| 19 | MICROSOFT CORP | MSFT | 594918104 | $30.4M | 1.46% | 81,393 | SH |
| 20 | ROSS STORES INC | ROST | 778296103 | $29.7M | 1.43% | 139,634 | SH |
| 21 | ILLUMINA INC | ILMN | 452327109 | $29.6M | 1.43% | 168,555 | SH |
| 22 | SYNOPSYS INC | SNPS | 871607107 | $28.5M | 1.37% | 63,790 | SH |
| 23 | META PLATFORMS INC | META | 30303M102 | $27.7M | 1.33% | 49,120 | SH |
| 24 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $27.7M | 1.33% | 55,291 | SH |
| 25 | SHOPIFY INC | SHOP | 82509L107 | $24.6M | 1.19% | 215,685 | SH |
| 26 | QNITY ELECTRONICS INC | Q | 74743L100 | $24.1M | 1.16% | 147,291 | SH |
| 27 | BROADCOM INC | AVGO | 11135F101 | $16.3M | 0.78% | 43,075 | SH |
| 28 | ALPHABET INC | GOOG | 02079K107 | $15.4M | 0.74% | 43,660 | SH |
| 29 | JOHNSON & JOHNSON | JNJ | 478160104 | $14.2M | 0.68% | 55,737 | SH |
| 30 | TESLA INC | TSLA | 88160R101 | $10.5M | 0.51% | 25,078 | SH |
| 31 | CISCO SYS INC | CSCO | 17275R102 | $10.5M | 0.51% | 89,747 | SH |
| 32 | COCA-COLA EUROPACIFIC PARTNE | CCEP | G25839104 | $9.9M | 0.48% | 98,839 | SH |
| 33 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $9.8M | 0.47% | 16,826 | SH |
| 34 | MICRON TECHNOLOGY INC | MU | 595112103 | $9.6M | 0.46% | 8,308 | SH |
| 35 | COCA COLA CO | KO | 191216100 | $9.3M | 0.45% | 114,646 | SH |
| 36 | MCDONALDS CORP | MCD | 580135101 | $9.0M | 0.43% | 33,334 | SH |
| 37 | KOSMOS ENERGY LTD | KOS | 500688106 | $8.5M | 0.41% | 4,008,525 | SH |
| 38 | WASTE MGMT INC DEL | WM | 94106L109 | $7.9M | 0.38% | 35,393 | SH |
| 39 | PALO ALTO NETWORKS INC | PANW | 697435105 | $7.7M | 0.37% | 22,527 | SH |
| 40 | ABBVIE INC | ABBV | 00287Y109 | $7.6M | 0.37% | 30,320 | SH |
| 41 | AMETEK INC | AME | 031100100 | $7.1M | 0.34% | 29,310 | SH |
| 42 | LAM RESEARCH CORP | LRCX | 512807306 | $6.8M | 0.33% | 15,698 | SH |
| 43 | PROCTER & GAMBLE CO | PG | 742718109 | $6.7M | 0.32% | 45,382 | SH |
| 44 | CENCORA INC | COR | 03073E105 | $6.5M | 0.31% | 22,893 | SH |
| 45 | HUBBELL INC | HUBB | 443510607 | $6.5M | 0.31% | 12,355 | SH |
| 46 | MASTERCARD INCORPORATED | MA | 57636Q104 | $6.3M | 0.30% | 12,236 | SH |
| 47 | KLA CORP | KLAC | 482480100 | $6.0M | 0.29% | 19,775 | SH |
| 48 | GENERAL MILLS INC | GIS | 370334104 | $5.8M | 0.28% | 167,749 | SH |
| 49 | MONDELEZ INTL INC | MDLZ | 609207105 | $5.8M | 0.28% | 99,455 | SH |
| 50 | MCKESSON CORP | MCK | 58155Q103 | $5.7M | 0.28% | 7,577 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $2.08B | 549 | 0001104659-26-095882 |
| 2026-03-31 | 2026-05-14 | $1.78B | 562 | 0001104659-26-061164 |
| 2025-12-31 | 2026-02-13 | $2.08B | 572 | 0001104659-26-015183 |
| 2025-09-30 | 2025-11-14 | $2.23B | 570 | 0001104659-25-111991 |