CIK: 0001767945
Total reported value
$1.8B
Reporting period: 2026-03-31 · Number of holdings: 562
OSTRUM ASSET MANAGEMENT disclosed 562 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.8B and a quarterly turnover rate of 57.6%.
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Ostrum Asset Management's disclosed holdings carry a Herfindahl concentration index of 0.018 — mathematically equivalent to about 55 equally-sized positions, well below its 562 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 3.05), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
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Trim AVGO
-83.7% -$75.7M
Trim MSFT
-61.5% -$68.4M
Add CMI
+1909.6% $35.9M
Add SCHW
+1118.1% $30.6M
Add AMAT
+12.0% $23.9M
Add HON
+2930.9% $28.6M
Showing top 200 holdings (of 562 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 6.33% | +1.18% | +12.28% | |
| 2 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.14% | -0.47% | -16.51% | |
| 3 | AAPL | Apple INC | Stock-Tech | 4.11% | — | +11.36% | |
| 4 | AMAT | Applied Materials INC | Stock-Tech | 4.08% | +1.74% | +12.00% | |
| 5 | LLY | Eli Lilly & Co | Stock-Healthcare | 3.83% | +0.32% | +8.96% | |
| 6 | AMZN | Amazon.com INC | Stock-Consumer Disc | 3.10% | -1.27% | -32.83% | |
| 7 | CMI | Cummins INC | Stock-Industrials | 2.12% | +2.03% | +1909.63% | |
| 8 | JPM | Jpmorgan Chase & Co | Stock-Financials | 2.09% | -0.28% | -17.49% | |
| 9 | GE | General Electric | Stock-Industrials | 2.08% | +0.55% | +25.94% | |
| 10 | V | Visa Inc-class A Shares | Stock-Financials | 2.04% | +1.35% | +195.13% | |
| 11 | ETN | Eaton Corporation plc | Stock-Industrials | 1.98% | +0.55% | +5.19% | |
| 12 | SCHW | Schwab (charles) CORP | Stock-Financials | 1.88% | +1.74% | +1118.13% | |
| 13 | SHOP | Shopify INC - Class A | Stock-Tech | 1.70% | +1.70% | NEW | |
| 14 | HON | Honeywell International INC | Stock-Industrials | 1.65% | +1.61% | +2930.87% | |
| 15 | ROST | Ross Stores INC | Stock-Consumer Disc | 1.64% | +1.59% | +2257.69% | |
| 16 | MSFT | Microsoft CORP | Stock-Tech | 1.60% | -3.05% | -61.53% | |
| 17 | NUE | Nucor CORP | Stock-Materials | 1.60% | +0.57% | +27.97% | |
| 18 | ILMN | Illumina INC | Stock-Healthcare | 1.59% | +1.58% | +16254.40% | |
| 19 | VMC | Vulcan Materials Co | Stock-Materials | 1.56% | — | +0.57% | |
| 20 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.53% | -1.01% | -40.47% | |
| 21 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 1.52% | -0.25% | -23.09% | |
| 22 | SNPS | Synopsys INC | Stock-Tech | 1.47% | +0.40% | +39.14% | |
| 23 | LECO | Lincoln Electric Holdings | Stock-Industrials | 1.46% | +1.39% | +1564.70% | |
| 24 | URI | United Rentals INC | Stock-Industrials | 1.44% | -0.52% | -30.42% | |
| 25 | INDA | Ishares Msci India ETF | ETF-Other | 1.34% | -0.01% | — | |
| 26 | MPWR | Monolithic Power Systems INC | Stock-Tech | 1.27% | -0.77% | -55.73% | |
| 27 | ICE | Intercontinental Exchange In | Stock-Financials | 1.25% | -0.19% | -23.45% | |
| 28 | JNJ | Johnson & Johnson | Stock-Healthcare | 0.76% | — | -22.78% | |
| 29 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 0.73% | -0.25% | -30.61% | |
| 30 | AVGO | Broadcom INC | Stock-Tech | 0.73% | -3.52% | -83.70% | |
| 31 | KOS | Kosmos Energy LTD | Stock-Other | 0.63% | +0.46% | — | |
| 32 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 0.54% | +0.25% | +55.21% | |
| 33 | KO | The Coca-Cola Company | Stock-Consumer Staples | 0.48% | — | -4.28% | |
| 34 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.47% | — | -18.40% | |
| 35 | WM | Waste Management INC | Stock-Industrials | 0.43% | — | +17.50% | |
| 36 | CSCO | Cisco Systems INC | Stock-Tech | 0.41% | — | +26.12% | |
| 37 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.41% | — | -19.67% | |
| 38 | CBOE | Cboe Global Markets INC | Stock-Financials | 0.39% | — | -1.84% | |
| 39 | ABBV | Abbvie INC | Stock-Healthcare | 0.37% | — | +23.60% | |
| 40 | COR | Cencora INC | Stock-Healthcare | 0.34% | — | -10.04% | |
| 41 | TSLA | Tesla INC | Stock-Consumer Disc | 0.34% | — | -17.34% | |
| 42 | CME | Cme Group INC | Stock-Financials | 0.34% | — | -18.70% | |
| 43 | AME | Ametek INC | Stock-Industrials | 0.34% | — | +33.03% | |
| 44 | MCK | Mckesson CORP | Stock-Healthcare | 0.33% | — | -33.62% | |
| 45 | EXC | Exelon CORP | Stock-Utilities | 0.33% | +0.20% | +93.06% | |
| 46 | XOM | Exxon Mobil CORP | Stock-Energy | 0.33% | — | +4.48% | |
| 47 | MDLZ | Mondelez International Inc-a | Stock-Consumer Staples | 0.31% | — | +57.63% | |
| 48 | HUBB | Hubbell INC | Stock-Industrials | 0.30% | — | +23.02% | |
| 49 | MDT | Medtronic plc | Stock-Healthcare | 0.28% | — | +71.02% | |
| 50 | GIS | General Mills INC | Stock-Consumer Staples | 0.28% | — | +67.01% |
Performance for Q3 2026
+3.1%
Performance Last 4 Quarters
+22.2%
Based on 76% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 562 | $1.8B | 58 | |
| 2025-12-31 | 572 | $2.1B | 29 | |
| 2025-09-30 | 570 | $2.2B | 47 | |
| 2025-06-30 | 571 | $2.1B | 0 | |
| 2025-03-31 | 642 | $1.9B | 100 | |
| 2024-12-31 | 627 | $1.2B | 0 | |
| 2024-09-30 | 635 | $1.2B | 0 | |
| 2024-06-30 | 644 | $1.1B | 0 | |
| 2024-03-31 | 654 | $1.3B | 0 | |
| 2023-12-31 | 659 | $1.2B | 0 | |
| 2023-09-30 | 680 | $1.1B | 0 | |
| 2023-06-30 | 672 | $1.2B | 0 | |
| 2023-03-31 | 671 | $1.1B | 0 | |
| 2020-09-30 | 56 | $155.0K | 100 | |
| 2020-06-30 | 67 | $168.1M | 60 | |
| 2020-03-31 | 64 | $145.1M | 64 | |
| 2019-12-31 | 76 | $210.3M | 36 | |
| 2019-09-30 | 77 | $199.8M | 100 | |
| 2019-06-30 | 144 | $360.9M | 32 | |
| 2019-03-31 | 142 | $305.2M | 33 | |
| 2018-12-31 | 154 | $254.8M | 0 |
Ostrum Asset Management's most significant position changes for 2026-03-31: New buy: Shopify INC - Class A (SHOP); Sold out: Topbuild CORP (BLD); Trim: Broadcom INC (AVGO) — shares -83.70%; Trim: Microsoft CORP (MSFT) — shares -61.53%; Add: Cummins INC (CMI) — shares +1909.63%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CMI | Cummins INC | +2% | +1909.63% | Add |
| 2 | SCHW | Schwab (charles) CORP | +1.7% | +1118.13% | Add |
| 3 | AMAT | Applied Materials INC | +1.7% | +12.00% | Add |
| 4 | HON | Honeywell International INC | +1.6% | +2930.87% | Add |
| 5 | ROST | Ross Stores INC | +1.6% | +2257.69% | Add |
| 6 | ILMN | Illumina INC | +1.6% | +16254.40% | Add |
| 7 | LECO | Lincoln Electric Holdings | +1.4% | +1564.70% | Add |
| 8 | V | Visa Inc-class A Shares | +1.4% | +195.13% | Add |
| 9 | NVDA | Nvidia CORP | +1.2% | +12.28% | Add |
| 10 | NUE | Nucor CORP | +0.6% | +27.97% | Add |
| 11 | ETN | Eaton Corporation plc | +0.6% | +5.19% | Add |
| 12 | GE | General Electric | +0.6% | +25.94% | Add |
| 13 | KOS | Kosmos Energy LTD | +0.5% | — | Unchanged |
| 14 | SNPS | Synopsys INC | +0.4% | +39.14% | Add |
| 15 | LLY | Eli Lilly & Co | +0.3% | +8.96% | Add |
| 16 | MCD | Mcdonald's CORP | +0.3% | +55.21% | Add |
| 17 | EXC | Exelon CORP | +0.2% | +93.06% | Add |
| 18 | INDA | Ishares Msci India ETF | 0% | — | Unchanged |
| 19 | IBM | Intl Business Machines CORP | -0.1% | -37.16% | Trim |
| 20 | MA | Mastercard INC - A | -0.1% | -38.27% | Trim |
| 21 | PANW | Palo Alto Networks INC | -0.1% | -33.57% | Trim |
| 22 | LIN | Linde plc | -0.1% | -60.47% | Trim |
| 23 | NEM | Newmont CORP | -0.1% | -54.20% | Trim |
| 24 | DHR | Danaher CORP | -0.1% | -76.91% | Trim |
| 25 | ADBE | Adobe INC | -0.2% | -37.30% | Trim |
| 26 | CBRE | Cbre Group INC - A | -0.2% | -82.10% | Trim |
| 27 | ISRG | Intuitive Surgical INC | -0.2% | -81.80% | Trim |
| 28 | QCOM | Qualcomm INC | -0.2% | -53.23% | Trim |
| 29 | MRK | Merck & Co. INC. | -0.2% | -66.44% | Trim |
| 30 | MSI | Motorola Solutions INC | -0.2% | -80.74% | Trim |
| 31 | ORCL | Oracle CORP | -0.2% | -66.17% | Trim |
| 32 | CL | Colgate-palmolive Co | -0.2% | -83.03% | Trim |
| 33 | ICE | Intercontinental Exchange In | -0.2% | -23.45% | Trim |
| 34 | BRK-B | Berkshire Hathaway Inc-cl B | -0.3% | -23.09% | Trim |
| 35 | GOOG | Alphabet Inc-cl C | -0.3% | -30.61% | Trim |
| 36 | JPM | Jpmorgan Chase & Co | -0.3% | -17.49% | Trim |
| 37 | GOOGL | Alphabet Inc-cl A | -0.5% | -16.51% | Trim |
| 38 | URI | United Rentals INC | -0.5% | -30.42% | Trim |
| 39 | MPWR | Monolithic Power Systems INC | -0.8% | -55.73% | Trim |
| 40 | XYL | Xylem INC | -0.9% | -98.05% | Trim |
| 41 | NOW | Servicenow INC | -1% | -95.34% | Trim |
| 42 | META | Meta Platforms Inc-class A | -1% | -40.47% | Trim |
| 43 | AMZN | Amazon.com INC | -1.3% | -32.83% | Trim |
| 44 | DIS | Walt Disney Co/the | -1.3% | -89.44% | Trim |
| 45 | COF | Capital One Financial CORP | -1.4% | -95.12% | Trim |
| 46 | ORLY | O'reilly Automotive INC | -1.5% | -90.92% | Trim |
| 47 | MSFT | Microsoft CORP | -3.1% | -61.53% | Trim |
| 48 | AVGO | Broadcom INC | -3.5% | -83.70% | Trim |
| 49 | SHOP | Shopify INC - Class A | — | NEW | New buy |
| 50 | BLD | Topbuild CORP | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-14 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-13 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-14 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-13 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-13 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-13 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-13 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-13 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-11 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-12 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-12 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-13 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-14 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-13 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-13 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
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