PBPPX — Inflation Protection Fund
Data updated: 2026-06-25
PBPPX — Inflation Protection Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Treasury / Sovereign Bond · $2.15B AUM · 0.37% expense ratio · 3.7% 1-yr return. From SEC regulatory filings.
PBPPX Fund Overview
PBPPX — Inflation Protection Fund is a US mutual fund managed by Principal Funds, Inc., categorised as Intermediate Treasury / Sovereign Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Principal Funds, Inc.
- Category: Intermediate Treasury / Sovereign Bond
- Assets under management: $2.15B
- 1-year return: 3.7%
- Ticker: PBPPX
- SEC CIK: 0000898745
- SEC series ID: S000006997
- Share class ID: C000019082
PBPPX Holdings
Top 10 holdings of Inflation Protection Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Inflation Indexed Bonds | 4.00% |
| United States Treasury Inflation Indexed Bonds | 4.00% |
| United States Treasury Inflation Indexed Bonds | 3.71% |
| United States Treasury Inflation Indexed Bonds | 3.66% |
| United States Treasury Inflation Indexed Bonds | 3.41% |
| United States Treasury Inflation Indexed Bonds | 3.40% |
| United States Treasury Inflation Indexed Bonds | 3.39% |
| United States Treasury Inflation Indexed Bonds | 3.33% |
| United States Treasury Inflation Indexed Bonds | 3.27% |
| United States Treasury Inflation Indexed Bonds | 3.26% |
PBPPX Portfolio Allocation
Asset-class allocation of Inflation Protection Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.1% |
| Cash & Equivalents | 1.7% |
PBPPX Performance
Total returns for PBPPX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.5% |
| 1 year | 3.7% |
| 3 years (annualised) | 2.9% |
| 5 years (annualised) | 0.9% |
PBPPX Risk Information
Risk metrics for PBPPX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.0%
PBPPX Costs and Fees
PBPPX costs about $37 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.37%
- Gross expense ratio: 0.37%
- Portfolio turnover: 155%
- Brokerage commissions: 0.19 bps of average net assets (SEC N-CEN)
PBPPX Cashflows
Over the 12 months to 2026-04, Inflation Protection Fund had net outflows of $151.03M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $28.60M |
| 2026-03 | −$182.18M |
| 2026-02 | $8.71M |
| 2026-01 | −$46.99M |
| 2025-12 | $85.58M |
| 2025-11 | −$54.13M |
PBPPX Debt Constituents
Largest debt holdings of Inflation Protection Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Inflation Indexed Bonds | 4.00% |
| United States Treasury Inflation Indexed Bonds | 4.00% |
| United States Treasury Inflation Indexed Bonds | 3.71% |
| United States Treasury Inflation Indexed Bonds | 3.66% |
| United States Treasury Inflation Indexed Bonds | 3.41% |
| United States Treasury Inflation Indexed Bonds | 3.40% |
| United States Treasury Inflation Indexed Bonds | 3.39% |
| United States Treasury Inflation Indexed Bonds | 3.33% |
| United States Treasury Inflation Indexed Bonds | 3.27% |
| United States Treasury Inflation Indexed Bonds | 3.26% |
PBPPX Prospectus and SEC Filings
Official Inflation Protection Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Treasury / Sovereign 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.