IDPZX — Intermediate Duration Portfolio
Data updated: 2026-08-26
IDPZX — Intermediate Duration Portfolio. Intermediate Total / Aggregate Bond · $4.49B AUM · 0.28% expense ratio. Holdings, fees, performance and SEC filings.
IDPZX Fund Overview
IDPZX — Intermediate Duration Portfolio is a US mutual fund managed by Bernstein Sanford C Fund INC, categorised as Intermediate Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Bernstein Sanford C Fund INC
- Category: Intermediate Total / Aggregate Bond
- Assets under management: $4.49B
- 1-year return: 3.4%
- Ticker: IDPZX
- SEC CIK: 0000832808
- SEC series ID: S000011057
- Share class ID: C000213294
IDPZX Holdings
Top 10 holdings of Intermediate Duration Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury | 2.67% |
| United States Treasury | 2.53% |
| United States Treasury | 2.52% |
| United States Treasury | 2.44% |
| United States Treasury | 2.34% |
| United States Treasury | 2.29% |
| United States Treasury | 2.17% |
| Umbs, Tba | 2.10% |
| United States Treasury | 2.04% |
| United States Treasury | 2.02% |
IDPZX Portfolio Allocation
Asset-class allocation of Intermediate Duration Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 72.0% |
| Securitized | 34.0% |
| Cash & Equivalents | 2.5% |
| Real Estate | 0.2% |
IDPZX Performance
Total returns for IDPZX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.4% |
| 1 year | 3.4% |
| 3 years (annualised) | 4.2% |
| 5 years (annualised) | -0.1% |
IDPZX Risk Information
Risk metrics for IDPZX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.2%
IDPZX Costs and Fees
IDPZX costs about $28 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.28%
- Gross expense ratio: 0.71%
- Portfolio turnover: 193%
- Brokerage commissions: 0.27 bps of average net assets (SEC N-CEN)
IDPZX Cashflows
Over the 12 months to 2026-06, Intermediate Duration Portfolio had net inflows of $300.50M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $26.18M |
| 2026-05 | $6.33M |
| 2026-04 | $329.81K |
| 2026-03 | −$15.08M |
| 2026-02 | $225.96M |
| 2026-01 | $26.40M |
IDPZX Debt Constituents
Largest debt holdings of Intermediate Duration Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 2.67% |
| United States Treasury | 2.53% |
| United States Treasury | 2.44% |
| United States Treasury | 2.34% |
| United States Treasury | 2.29% |
| United States Treasury | 2.17% |
| United States Treasury | 2.04% |
| United States Treasury | 2.02% |
| United States Treasury | 1.99% |
| United States Treasury | 1.78% |
IDPZX Prospectus and SEC Filings
Official Intermediate Duration Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-11-07
- Prospectus (485BPOS) — filed 2025-01-29
- Prospectus supplement (497) — filed 2026-01-30
- Portfolio holdings (N-PORT) — filed 2026-08-26
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
Related Funds
Other Intermediate Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.