PAMSX — PIMCO Short Asset Investment Fund
Data updated: 2026-08-31
PAMSX — PIMCO Short Asset Investment Fund. Short Corporate Bond · $1.33B AUM · 0.36% expense ratio. Holdings, fees, performance and SEC filings.
PAMSX Fund Overview
PAMSX — PIMCO Short Asset Investment Fund is a US mutual fund managed by PIMCO Funds, categorised as Short Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: PIMCO Funds
- Category: Short Corporate Bond
- Assets under management: $1.33B
- 1-year return: 4.7%
- Ticker: PAMSX
- SEC CIK: 0000810893
- SEC series ID: S000037098
- Share class ID: C000166287
PAMSX Holdings
Top 10 holdings of PIMCO Short Asset Investment Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Pimco Short Asset Portfolio | 9.59% |
| Government National Mortgage Association | 5.92% |
| Cox Communications, Inc. | 1.56% |
| Abn Amro Bank NV | 1.51% |
| Government National Mortgage Association | 1.42% |
| JPMorgan Chase & Co. | 1.39% |
| Golden Credit Card Trust | 1.27% |
| Athene Global Funding | 1.25% |
| Trillium Credit Card Trust II | 1.21% |
| Take-Two Interactive Sof | 1.10% |
PAMSX Portfolio Allocation
Asset-class allocation of PIMCO Short Asset Investment Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 59.8% |
| Securitized | 42.0% |
| Cash & Equivalents | 15.9% |
| Real Estate | 0.6% |
PAMSX Performance
Total returns for PAMSX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.2% |
| 1 year | 4.7% |
| 3 years (annualised) | 5.3% |
| 5 years (annualised) | 3.7% |
PAMSX Risk Information
Risk metrics for PAMSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.2%
PAMSX Costs and Fees
PAMSX costs about $36 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.36%
- Gross expense ratio: 0.36%
- Portfolio turnover: 77%
- Brokerage commissions: 0.52 bps of average net assets (SEC N-CEN)
PAMSX Cashflows
Over the 12 months to 2026-06, PIMCO Short Asset Investment Fund had net outflows of $517.39M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$828.93M |
| 2026-05 | −$2.79M |
| 2026-04 | −$30.33M |
| 2026-03 | $6.93M |
| 2026-02 | −$23.43M |
| 2026-01 | $45.36M |
PAMSX Debt Constituents
Largest debt holdings of PIMCO Short Asset Investment Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Cox Communications, Inc. | 1.56% |
| Abn Amro Bank NV | 1.51% |
| JPMorgan Chase & Co. | 1.39% |
| Athene Global Funding | 1.25% |
| Take-Two Interactive Sof | 1.10% |
| Fells Point Funding Tr | 1.08% |
| Eversource Energy | 1.07% |
| Wells Fargo & Company | 1.06% |
| Goldman Sachs Group, Inc. | 1.04% |
| Barclays PLC | 1.03% |
PAMSX Prospectus and SEC Filings
Official PIMCO Short Asset Investment Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2024-07-25
- Prospectus supplement (497) — filed 2024-08-01
- Prospectus supplement (497) — filed 2024-01-08
- Portfolio holdings (N-PORT) — filed 2026-08-31
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-03-02
- Annual census (N-CEN) — filed 2026-06-11
- Annual census (N-CEN) — filed 2025-06-13
Related Funds
Other Short Corporate 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.