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Money Market Portfolio

MONEY MARKET PORTFOLIO

Investment Objective

The Money Market Portfolio is an institutional prime money market fund, which seeks a high level of current income and stability of principal.

Fees and Expenses

This table describes the fees and expenses that you may pay if you buy, hold, and sell Participation Certificates of the Money Market Portfolio. The Portfolio does not charge any form of sales load, redemption fee or exchange fee.

Annual Portfolio Operating Expenses (expenses that you pay each year as a percentage of the value of your investment).

Annual Fund Operating Expenses	Money Market Portfolio Money Market Portfolio
Investment Advisory and Servicing Fees	0.20%
Other Expenses	0.24%
Total Annual Portfolio Operating Expenses	0.44%
Fee Waivers and Expense Reimbursements	(0.26%)	[1]
Total Annual Portfolio Operating Expenses after Fee Waivers and Expense Reimbursements	0.18%	[2]

Example

This example is intended to help you compare the cost of investing in the Money Market Portfolio with the cost of investing in other mutual funds.

This example assumes that you invest $10,000 in the Money Market Portfolio for the time periods indicated and then redeem all of your investment at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Money Market Portfolio’s operating expenses remain the same. The example below reflects the contractual fee waiver and expense reimbursement for the first year. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Expense Example	1 Year	3 Years	5 Years	10 Years
Money Market Portfolio | Money Market Portfolio | USD ($)	18	115	221	530

Principal Investment Strategies

The Money Market Portfolio invests in a broad range of U.S. dollar-denominated money market instruments, including U.S. Government obligations, repurchase agreements, U.S. and foreign bank and commercial obligations. Under normal market conditions, at least 25% and normally a substantial portion of the Portfolio’s total assets will be invested in obligations of issuers in the financial services industry, of domestic branches of U.S. banks and U.S. branches of foreign banks that are subject to the same regulations as U.S. banks. These investments include bank certificates of deposit and time deposits, bankers’ acceptances and commercial paper, and also includes repurchase agreements secured by such obligations.

In addition, the Portfolio may invest in mortgage- and asset-backed securities, short-term obligations issued by or on behalf of states, territories and possessions of the United States, the District of Columbia, and their respective authorities, agencies, instrumentalities and political subdivisions and related securities such as beneficial interests in municipal trust certificates and partnership trusts. The Portfolio may also invest in variable and floating rate instruments, and transact in securities on a when-issued, delayed delivery or forward commitment basis.

The Portfolio invests in securities maturing in 397 days (with certain exceptions) and the Portfolio will have a dollar-weighted average maturity of 60 days or less and a dollar-weighted average life of 120 days or less.

The Money Market Portfolio intends to operate as an institutional prime money market fund pursuant to Rule  2a-7 of the 1940 Act. Accordingly, although the Portfolio is a money market fund, the net asset value (“NAV”) of the Portfolio’s Participation Certificates will “float,” fluctuating with changes in the values of the Portfolio’s securities. In buying and selling securities for the Portfolio, the Investment Advisor will comply with all other requirements of Rule 2a-7. The Portfolio will only purchase securities that present minimal credit risk as determined by the Investment Advisor pursuant to guidelines approved by the Fund’s Board.

Principal Investment Risks

Risk is inherent in all investing. The value of your investment in the Money Market Portfolio, as well as the amount of return you receive on your investment, may fluctuate significantly from day to day and over time. You could lose money by investing in the Portfolio. Because the price per Participation Certificate of the Portfolio will fluctuate, when you sell your Participation Certificates, they may be worth more or less than what you originally paid for them. The Money Market Portfolio may impose a fee upon the sale of your Participation Certificates or may temporarily suspend your ability to sell Participation Certificates if the Portfolio’s weekly liquidity falls below required minimums because of market conditions or other factors. An investment in the Portfolio is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Portfolio’s sponsor has no legal obligation to provide financial support to the Portfolio, and you should not expect that the sponsor will provide financial support to the Portfolio at any time. The following is a summary description of principal risks of investing in the Portfolio.

Credit Risk. Credit risk refers to the possibility that the issuer of a debt security (i.e., the borrower) will not be able to make payments of interest and principal when due. Changes in an issuer’s credit ratings or the market’s perception of an issuer’s creditworthiness may also affect the value of the Portfolio’s investment in that issuer.

Extension Risk. When interest rates rise, certain obligations will be paid off by the obligor more slowly than anticipated, causing the value of these securities to fall.

Fees & Gates Risk. The Money Market Portfolio is able to impose liquidity fees on redemptions and/or temporarily suspend redemptions for up to 10 business days in any 90-day period in the event that the Portfolio’s liquidity was to fall below designated thresholds. Accordingly, you may not be able to sell your shares or your redemptions may be subject to a liquidity fee when you sell your shares at certain times.

Financial Services Industry Risk. The Portfolio is susceptible to economic, business, political and other developments which generally affect the financial services industry, such as government regulation, the availability and cost of capital funds, consolidation and general economic conditions. Financial services companies are also exposed to losses if borrowers and other counterparties experience financial problems and/or cannot repay their obligations.

When interest rates go up, the value of securities issued by many types of financial services companies generally goes down. In many countries, financial services and the companies that provide them are regulated by governmental entities, which can increase costs for new services or products and make it difficult to pass increased costs on to consumers. In certain areas, deregulation of financial services companies has resulted in increased competition and reduced profitability for certain companies.

The profitability of many types of financial services companies may be adversely affected in certain market cycles, including periods of rising interest rates, which may restrict the availability and increase the cost of capital, and declining economic conditions, which may cause credit losses due to financial difficulties of borrowers. Because many types of financial services companies are vulnerable to these economic cycles, a large portion of the Portfolio’s investments may lose value during such periods.

Floating Net Asset Value Risk. The NAV of the Money Market Portfolio floats, fluctuating with changes in the values of the Portfolio’s securities, and as a result the Portfolio will not maintain a constant NAV per share. The value of the Portfolio’s Participation Certificates will be calculated to four decimal places. It is possible to lose money by investing in the Portfolio.

Foreign Exposure Risk. Securities issued or supported by foreign entities, including foreign banks and corporations, may involve additional risks. Extensive public information about the foreign issuer may not be available and unfavorable political, economic or governmental developments in the foreign country involved could affect the payment of principal and interest. Investments in securities of foreign issuers may be subject to foreign withholding and other taxes.

Income Risk. Income risk is the risk that the Portfolio’s yield will vary as short-term securities in its portfolio mature and the proceeds are reinvested in securities with different interest rates.

Interest Rate Risk. Interest rate risk is the risk that the value of a debt security may fall when interest rates rise, and that the value of a debt security may rise when interest rates fall. In general, the market price of debt securities with longer maturities will go up or down in response to changes in interest rates by a greater amount than the market price of shorter-term securities. Securities issued or guaranteed by the U.S. Government, its agencies, instrumentalities and sponsored enterprises have historically involved little risk of loss of principal if held to maturity. However, due to fluctuations in interest rates, the market value of such securities may vary during the period Participation Certificate holders own an interest in the Portfolio. Very low or negative interest rates may magnify interest rate risk. During periods of very low or negative interest rates, the Fund may be unable to maintain positive returns or pay dividends. Changing interest rates, including rates that fall below zero, may have unpredictable effects on markets, may result in heightened market volatility and may detract from the Fund’s ability to achieve its investment objective.

Market Risk and Selection Risk. Market risk is the risk that one or more markets in which the Portfolio invests will go down in value, including the possibility that the markets will go down sharply and unpredictably. The value of a security or other asset may decline due to changes in general market conditions, economic trends or events that are not specifically related to the issuer of the security or other asset, or factors that affect a particular issuer or issuers, exchange, countries, group of countries, regions, market, industry, groups of industries, sectors or asset class. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issue, like pandemics or epidemics, recessions, or other events could cause significant global economic and market disruptions and have a significant negative impact on the Portfolio and its investments. The impact of such events may be more severe for the Portfolio because the Portfolio invests in short-term instruments. Selection risk is the risk that the securities selected by the Investment Advisor will underperform the markets, the relevant indices or the securities selected by other funds with similar investment objectives and investment strategies. This means you may lose money.

Prepayment Risk. When interest rates fall, certain obligations will be paid off by the obligor more quickly than originally anticipated, and the Portfolio may have to invest proceeds in securities with lower yields.

Mortgage- and Asset-Backed Securities Risks. Mortgage- and asset-backed securities represent interests in “pools” of mortgages or other assets, including consumer loans or receivables held in trust. Mortgage- and asset-backed securities are subject to credit, interest rate, prepayment and extension risks. These securities also are subject to risk of default on the underlying mortgage or asset, particularly during periods of economic downturn. Small movements in interest rates (both increases and decreases) may quickly and significantly reduce the value of certain mortgage-backed securities.

Repurchase Agreement Risk. The Portfolio may enter into repurchase agreements. Under a repurchase agreement, the seller agrees to repurchase a security at a mutually agreed-upon time and price. If the seller in a repurchase agreement transaction defaults on its obligation under the agreement, the Portfolio may suffer delays and incur costs or lose money in exercising its rights under the agreement.

Treasury Obligations Risk. Direct obligations of the U.S. Treasury have historically involved little risk of loss of principal if held to maturity. However, due to fluctuations in interest rates, the market value of such securities may vary during the period of your investment in the Portfolio.

U.S. Government Obligations Risk. Certain securities in which the Portfolio may invest, including securities issued by certain U.S. Government agencies and U.S. Government sponsored enterprises, are not guaranteed by the U.S. Government or supported by the full faith and credit of the United States.

Variable and Floating Rate Investment Risk. Variable and floating rate securities provide for periodic adjustment in the interest rate paid on the securities in response to changes in a referenced interest rate. Any lag in time between changes in the referenced interest rate and the security’s next interest rate adjustment can be expected to impact the security’s value either positively (if interest rates are decreasing) or negatively (if interest rates are increasing). The interest rate on a variable or floating rate security is ordinarily determined by reference to, or is a percentage of, an objective standard such as interbank rates, a bank’s prime rate, the 90-day U.S. Treasury Bill rate or the rate of return on commercial paper or bank certificates of deposit.

LIBOR Transition Risk. The Portfolio may invest in financial instruments that utilize the London Interbank Offered Rate (“LIBOR”) as the reference or benchmark rate for variable interest rate calculations. On July 27, 2017, the head of the United Kingdom’s Financial Conduct Authority announced plans to phase out the use of LIBOR by the end of 2021. Although many LIBOR rates have been phased out as originally intended, a selection of widely used U.S. dollar LIBOR rates will continue to be published until June 2023 in order to assist with the transition. There remains uncertainty regarding the effect of the LIBOR transition process, and therefore any impact of a transition away from LIBOR on the Portfolio or the instruments in which the Portfolio invests cannot yet be determined. There is no assurance that the composition or characteristics of any alternative reference rate will be similar to or produce the same value or economic equivalence as LIBOR or that instruments using an alternative rate will have the same volume or liquidity. Any such effects of the transition away from LIBOR and the adoption of alternative reference rates could result in losses to the Portfolio.

Forward Commitment, When-Issued and Delayed Delivery Transactions Risk. When-issued and delayed delivery (delayed settlement) securities involve the risk that the security the Portfolio buys will lose value prior to its delivery. There also is the risk that the security will not be issued or that the other party to the transaction will not meet its obligation. If this occurs, the Portfolio loses both the investment opportunity for the assets it set aside to pay for the security and any gain in the security’s price.

Small Fund Risk. The Portfolio may not grow to or maintain an economically viable size to achieve investment or trading efficiencies, which may negatively impact performance and/or force the fund to liquidate. Additionally, a smaller fund may be more adversely affected by large purchases or redemptions of fund participation certificates, which can occur at any time and may impact the fund in the same manner as a high volume of purchases or redemptions. The size and scale of the Portfolio may fluctuate based on current market considerations or other considerations, which may negatively impact the Portfolio's performance.

Performance Information

The following bar chart and table show the performance of the Money Market Portfolio, and indicate the risks of investing in the Portfolio by showing the historical return variability associated with an investment in the Portfolio. The bar chart shows how the annual total returns of the Portfolio have varied from year to year for the last ten years. Prior to October 11, 2016, the Portfolio operated as a stable NAV money market fund. Beginning October 11, 2016, the Portfolio operates as a floating NAV money market fund. The table shows the Portfolio’s average annual total returns for one-, five- and ten-year periods ended December 31, 2021. The bar chart and the table assume reinvestment of dividends and distributions. The past performance of the Money Market Portfolio does not necessarily indicate how it will perform in the future. Updated performance information is available at www.pif.com, or by calling 800-621-9215.

Money Market Portfolio Annual Total Returns for Each Year

During the period shown in the bar chart, the highest quarterly return for the Money Market Portfolio was 0.64% (for the quarter ended March 31, 2019) and the lowest quarterly return was -0.01% (for the quarter ended December 31, 2021).

Average Annual Total Returns (for the periods ended December 31, 2021):

Average Annual Returns	Average Annual Returns, 1 Year	Average Annual Returns, 5 Years	Average Annual Returns, 10 Years
Money Market Portfolio | Money Market Portfolio	none	1.10%	0.61%

The Money Market Portfolio seven-day average yield as of December 31, 2021 was 0.05%. You may obtain this Portfolio’s current seven-day yield by visiting the Fund’s website at www.pif.com or by calling (800) 621-9215.

[1] BlackRock Advisors, LLC (the “Investment Advisor” or “BALLC”) has contractually agreed to waive its fees such that the Money Market Portfolio’s annual ordinary operating expenses do not exceed 0.30% of the Portfolio’s average daily net assets. In addition, the Investment Advisor has further agreed to waive its fees such that the Portfolio’s annual ordinary operating expenses do not exceed 0.175% of the Portfolio’s average daily net assets up to $1 billion, 0.16% of the Portfolio’s average daily net assets between $1 billion and $2 billion, and 0.155% of the Portfolio’s average daily net assets in excess of $2 billion. BCS Financial Services Corporation (the “Administrator”) has agreed to waive one basis point of its contractual fees relating to the Money Market Portfolio. If for any day, after giving effect to all other fee waivers and all expenses, including without limitation, any extraordinary expenses, the “portfolio yield” would be less than 0.01%, the Administrator and BALLC have agreed to waive all or a portion of their fees for such day so that after giving effect to such waiver, and the other fee waivers, the portfolio yield for such day would not be less than 0.01%. The Investment Advisor and the Administrator cannot terminate such fee waivers prior to May 1, 2023 without the consent of the Board of Trustees of the Fund (the “Board”).

[2] The Total Annual Portfolio Operating Expenses after Fee Waivers and Expense Reimbursements in this fee table does not correlate to the expense ratio in the Portfolio’s financial highlights because the Total Annual Portfolio Operating Expenses after Fee Waiver and Expense Reimbursements have been restated to reflect that fees are not currently being waived pursuant to the portfolio yield-based fee waiver expenses expected to be incurred for the Portfolio for the current fiscal year.