Putnam Sustainable Future Fund is a registered fund series of Putnam Investment Funds (series S000003851). Net assets $327.4M as of 2026-04-30.
Showing 15 of 115 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| Vertiv Holdings Co. | — | $20.9M | 638.14% |
| Quanta Services, Inc. | — | $12.5M | 382.35% |
| Royal Caribbean Cruises Ltd. | — | $8.9M | 272.95% |
| Datadog, Inc. | — | $8.4M | 255.18% |
| Hilton Worldwide Holdings, Inc. | — | $8.2M | 250.44% |
| Viking Holdings Ltd. | — | $8.1M | 247.94% |
| Vistra Corp. | — | $7.6M | 231.90% |
| GE Vernova, Inc. | — | $7.5M | 229.01% |
| Keurig Dr. Pepper, Inc. | — | $6.7M | 203.84% |
| WW Grainger, Inc. | — | $6.6M | 201.49% |
| Federal Signal Corp. | — | $6.5M | 199.71% |
| Dexcom, Inc. | — | $6.3M | 192.44% |
| Xylem, Inc. | — | $6.0M | 182.62% |
| ASML Holding NV | — | $5.8M | 177.57% |
| Bright Horizons Family Solutions, Inc. | — | $5.8M | 177.14% |
| Report date | Net assets |
|---|---|
| 2026-04-30 | $327.4M |
| 2026-01-31 | $339.6M |
| 2025-10-31 | $373.5M |
| 2025-07-31 | $386.1M |
| 2025-04-30 | $348.9M |
| 2025-01-31 | $429.9M |
| 2024-10-31 | $418.7M |
| 2024-07-31 | $417.0M |