VAIPX Holdings — Vanguard Inflation-Protected Securities Fund
Data updated: 2026-08-28
VAIPX holds 145 securities. The top 10 make up 37.6% of net assets, led by Tsy Infl Ix N/b (4.81%) and Tsy Infl Ix N/b (3.96%). Government Bonds (99.5%) and Funds & ETFs (0.5%) are the largest sectors, and 99.5% of the portfolio is in United States. Debt holdings: 13 positions, 1.0% of assets.
Holdings cover 99.51% of net asset value (99.44% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
VAIPX Portfolio Holdings
145 holdings of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 145.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Tsy Infl Ix N/b | — | Government Bonds | 4.81% | $1.35B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.96% | $1.12B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.94% | $1.11B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.92% | $1.10B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.85% | $1.09B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.64% | $1.03B |
| Tsy Infl Ix N/b | — | Government Bonds | 3.52% | $991.52M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.40% | $958.23M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.29% | $926.40M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.26% | $919.55M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.22% | $906.48M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.20% | $901.15M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.19% | $899.67M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.16% | $889.95M |
| Tsy Infl Ix N/b | — | Government Bonds | 3.08% | $869.03M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.95% | $830.23M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.92% | $822.22M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.90% | $816.97M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.86% | $805.21M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.59% | $731.35M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.58% | $727.21M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.53% | $713.00M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.30% | $648.21M |
| Tsy Infl Ix N/b | — | Government Bonds | 2.00% | $563.05M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.72% | $485.77M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.35% | $381.28M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.29% | $363.85M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.19% | $335.53M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.15% | $324.18M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.10% | $310.76M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.10% | $309.79M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.09% | $305.91M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.07% | $301.38M |
| Tsy Infl Ix N/b | — | Government Bonds | 1.04% | $293.97M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.91% | $257.44M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.86% | $243.80M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.84% | $237.52M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.78% | $219.34M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.69% | $193.45M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.65% | $184.43M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.63% | $178.74M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.59% | $164.98M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.58% | $162.45M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.57% | $160.26M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.56% | $158.84M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.51% | $143.54M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.51% | $142.91M |
| Vanguard Market Liquidity Fund | — | Funds & ETFs | 0.48% | $134.79M |
| Tsy Infl Ix N/b | — | Government Bonds | 0.26% | $73.89M |
| US Treasury N/b | — | Government Bonds | 0.09% | $26.04M |
| US Treasury N/b | — | Government Bonds | 0.09% | $25.75M |
| US Treasury N/b | — | Government Bonds | 0.09% | $25.66M |
| US Treasury N/b | — | Government Bonds | 0.09% | $25.37M |
| US Treasury N/b | — | Government Bonds | 0.09% | $24.95M |
| US Treasury N/b | — | Government Bonds | 0.09% | $24.77M |
| US Treasury N/b | — | Government Bonds | 0.08% | $22.87M |
| US Treasury N/b | — | Government Bonds | 0.08% | $21.40M |
| US Treasury N/b | — | Government Bonds | 0.07% | $20.19M |
| US Treasury N/b | — | Government Bonds | 0.07% | $19.97M |
| US Treasury N/b | — | Government Bonds | 0.05% | $14.99M |
| US Treasury N/b | — | Government Bonds | 0.04% | $9.96M |
| US Treasury N/b | — | Government Bonds | 0.03% | $9.36M |
| Fwdp 10y Rtr 3.350000 16-Oct-2030 | — | Unknown | 0.01% | $3.61M |
| Fwdp 2y Rtp 3.450000 05-Feb-2027 | — | Unknown | 0.01% | $1.76M |
| Fwdp 2y Rtp 3.600000 20-Jan-2028 | — | Unknown | 0.01% | $1.75M |
| Fwdp 2y Rtp 3.500000 21-Jan-2027 | — | Unknown | 0.01% | $1.66M |
| Fwdp 2y Rtp 3.910000 24-Jun-2027 | — | Unknown | 0.00% | $1.13M |
| Fwdp 2y Rtr 3.910000 24-Jun-2027 | — | Unknown | 0.00% | $1.12M |
| US 10yr Ultra Fut Sep26 | UXYU6 | Unknown | 0.00% | $1.07M |
| Fwdp 10y Rtp 4.856000 22-May-2028 | — | Unknown | 0.00% | $898.91K |
| Fswp: Ois 4.100000 18-Oct-2040 Sof | — | Unknown | 0.00% | $762.72K |
| Fswp: Ois 4.091000 30-Jun-2036 Sof | — | Unknown | 0.00% | $612.89K |
| Fswp: Ois 3.895900 30-Nov-2030 Sof | — | Unknown | 0.00% | $590.75K |
| Swp: Ifs 2.533000 27-Apr-2036 Usc | — | Unknown | 0.00% | $472.85K |
| US 10YR NOTE (CBT)Sep26 | TYU6 | Unknown | 0.00% | $390.75K |
| Fswp: Ois 4.333010 15-Nov-2043 Sof | — | Unknown | 0.00% | $336.17K |
| Fswp: Ois 4.318965 15-Nov-2043 Sof | — | Unknown | 0.00% | $287.59K |
| US 10YR FUT OPTN Aug26C | TYQ6C | Unknown | 0.00% | $255.52K |
| Swp: Ifs 2.499000 16-Apr-2036 Usc | — | Unknown | 0.00% | $169.93K |
| Fswp: Ois 4.588000 27-May-2041 Sof | — | Unknown | 0.00% | $157.13K |
| Fswp: Ois 4.271880 15-Nov-2043 Sof | — | Unknown | 0.00% | $158.98K |
| Fswp: Ois 4.517000 22-Jan-2041 Sof | — | Unknown | 0.00% | $152.40K |
| Fswp: Ois 4.269883 15-Nov-2043 Sof | — | Unknown | 0.00% | $153.03K |
| Fswp: Ois 3.894780 30-Nov-2030 Sof | — | Unknown | 0.00% | $59.77K |
| US 10YR FUT OPTN Aug26P | TYQ6P | Unknown | 0.00% | $44.44K |
| Swp: Ifs 2.515500 27-Apr-2036 Usc | — | Unknown | 0.00% | $65.02K |
| Swp: Ifs 2.499000 16-Apr-2036 Usc | — | Unknown | 0.00% | $33.99K |
| Arr2yr | — | Unknown | 0.00% | $0 |
| Arr2yr | — | Unknown | 0.00% | $0 |
| Swp: Ifs 2.352000 10-Apr-2056 Usc | — | Unknown | 0.00% | $-12.98K |
| US BOND FUTR OPTN Aug26P | USQ6P | Unknown | 0.00% | $11.38K |
| Tsy Infl Ix N/b | — | Government Bonds | 0.00% | $34 |
| Arr2yr | — | Unknown | 0.00% | $0 |
| Arr1yr | — | Unknown | 0.00% | $0 |
| Arr2yr | — | Unknown | 0.00% | $0 |
| Arr10yr | — | Unknown | 0.00% | $0 |
| US 10YR NOTE (CBT)Sep26 | — | Unknown | 0.00% | $0 |
| Arr10yr | — | Unknown | 0.00% | $0 |
| Arr2yr | — | Unknown | 0.00% | $0 |
| Arr2yr | — | Unknown | 0.00% | $0 |
VAIPX Sector Allocation
Vanguard Inflation-Protected Securities Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Government Bonds | 99.5% | 62 |
| Funds & ETFs | 0.5% | 1 |
| Unknown | -0.0% | 82 |
VAIPX Country Allocation
Where Vanguard Inflation-Protected Securities Fund's holdings are domiciled, by percentage of net assets (largest 2).
| Country | % of net assets |
|---|---|
| United States | 99.5% |
| Unknown | -0.0% |
VAIPX Portfolio Allocation
Asset-class allocation of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Other | 98.1% |
| Fixed Income | 1.0% |
| Cash & Equivalents | 0.5% |
VAIPX Debt Constituents
Largest debt holdings of Vanguard Inflation-Protected Securities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.09% |
| United States Treasury Note/Bond | 0.08% |
| United States Treasury Note/Bond | 0.08% |
| United States Treasury Note/Bond | 0.07% |
| United States Treasury Note/Bond | 0.07% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.