Pioneer Solutions – Balanced Fund
Schedule of Investments | April 30, 2021
Ticker Symbols:
Class A	PIALX
Class C	PIDCX
Class R	BALRX
Class Y	IMOYX

Schedule of Investments | 4/30/21 (unaudited)

Shares			Net Realized Gain (Loss)		Change in Net Unrealized Appreciation (Depreciation)		Capital Gain Distributions		Dividend Income		Value
		AFFILIATED ISSUERS - 99.5%*
		MUTUAL FUNDS - 97.0%
	2,865,462	Pioneer Bond Fund Class K	$	45,509	$	14,807	$	10,835	$	141,472	$	28,769,242
	536,196	Pioneer Core Equity Fund Class K		286,330		2,311,188		1,193,985		1,336,865		13,581,867
	304,106	Pioneer Equity Income Fund Class K		(2,461)		2,746,181		–		153,534		12,346,710
	6,451,193	Pioneer Flexible Opportunities Fund Class K		(189,715)		18,518,045		–		777,701		92,187,550
	181,486	Pioneer Fund Class K		1,131,023		834,278		582,718		591,554		7,188,651
	198,328	Pioneer Fundamental Growth Fund Class K		851,536		255,716		878,704		895,819		6,802,639
	3,349,884	Pioneer Global Equity Fund Class K		473,262		17,471,584		–		758,947		67,600,655
	2,222,286	Pioneer International Equity Fund Class Y		446,706		13,803,087		–		328,801		61,046,185
	11,299,980	Pioneer Multi-Asset Income Fund Class K		(647,933)		19,449,181		–		5,216,640		136,955,764
	1,414,255	Pioneer Multi-Asset Ultrashort Income Fund Class K		(306,376)		608,698		–		215,267		13,774,840
	608,967	Pioneer Strategic Income Fund Class K		1,094,718		(365,706)		–		485,920		6,911,779
		Other affiliated securities not held at period end		3,525		249,136		–		190,230		–
		TOTAL MUTUAL FUNDS
		(Cost $373,506,154)	$	3,186,124	$	75,896,195	$	2,666,242	$	11,092,750	$	447,165,882
		CLOSED-END FUND – 2.5%
	1,345,927	Pioneer ILS Interval Fund		–		134,593		--		–		11,534,594
		TOTAL CLOSED-END FUND
		(Cost $11,400,002)	$	–	$	134,593	$	--	$	–	$	11,534,594
		INVESTMENTS IN AFFILIATED ISSUERS- 99.5%
		(Cost $384,906,156)	$	3,186,124	$	76,030,788	$	2,666,242	$	11,092,750	$	458,700,476
		OTHER ASSETS AND LIABILITIES - 0.5%									$2,480,244
		TOTAL NET ASSETS - 100.0%									$ 461,180,720
*		Affiliated funds managed by Amundi Asset Management US, Inc.

Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below.
Level 1 - quoted prices in active markets for identical securities.
Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.).
Level 3 - significant unobservable inputs (including the Fund's own assumptions in determining fair value of investments).
The following is a summary of the inputs used as of April 30, 2021, in valuing the Fund's assets:
	Level 1	Level 2	Level 3	Total
Affiliated Mutual Funds	$447,165,882	$11,534,594	$–	$458,700,476
Total	$447,165,882	$11,534,594	$–	$458,700,476

During the nine months ended April 30, 2021, there were no transfers in or out of Level 3.

Pioneer Solutions – Balanced Fund | 4/30/21