IISTX — Voya Index Solution 2055 Portfolio
Data updated: 2026-06-01
IISTX — Voya Index Solution 2055 Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Target Date / Glide Path Allocation · $979.24M AUM · 0.66% expense ratio · 18.8% 1-yr return. From SEC regulatory filings.
IISTX Fund Overview
IISTX — Voya Index Solution 2055 Portfolio is a US mutual fund managed by Voya PARTNERS INC, categorised as Target Date / Glide Path Allocation. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Voya PARTNERS INC
- Category: Target Date / Glide Path Allocation
- Assets under management: $979.24M
- 1-year return: 18.8%
- Ticker: IISTX
- SEC CIK: 0001039001
- SEC series ID: S000026397
- Share class ID: C000079258
IISTX Holdings
Top 8 holdings of Voya Index Solution 2055 Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Voya Investors Trust | 53.91% |
| Voya VARIABLE PORTFOLIOS INC | 27.20% |
| Voya VARIABLE PORTFOLIOS INC | 7.92% |
| Voya VARIABLE PORTFOLIOS INC | 4.46% |
| Voya VARIABLE PORTFOLIOS INC | 2.98% |
| WisdomTree Trust | 2.46% |
| Vanguard Scottsdale Funds | 0.99% |
| Chicago Mercantile Exchange Inc. | 0.00% |
IISTX Portfolio Allocation
Asset-class allocation of Voya Index Solution 2055 Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
IISTX Performance
Total returns for IISTX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -1.9% |
| 1 year | 18.8% |
| 3 years (annualised) | 15.0% |
| 5 years (annualised) | 8.1% |
IISTX Risk Information
Risk metrics for IISTX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.1%
IISTX Costs and Fees
IISTX costs about $66 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.66%
- Gross expense ratio: 0.90%
- Portfolio turnover: 25%
- Brokerage commissions: 0.35 bps of average net assets (SEC N-CEN)
IISTX Cashflows
Over the 12 months to 2026-03, Voya Index Solution 2055 Portfolio had net outflows of $23.98M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$149.54K |
| 2026-02 | −$11.19M |
| 2026-01 | −$8.24M |
| 2025-12 | −$6.77M |
| 2025-11 | −$2.46M |
| 2025-10 | −$6.17M |
IISTX Debt Constituents
No individual debt constituents are reported in Voya Index Solution 2055 Portfolio's latest SEC N-PORT filing.
IISTX Prospectus and SEC Filings
Official Voya Index Solution 2055 Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Target Date / Glide Path Allocation 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.