UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED

MANAGEMENT INVESTMENT COMPANY

_______________________________

Investment Company Act file number 811-43

DWS Investment Trust

(Exact name of registrant as specified in charter)

Two International Place

Boston, MA 02110

(Address of principal executive offices) (Zip code)

Paul Schubert

345 Park Avenue

New York, NY 10154

(Name and address of agent for service)

Registrant's telephone number, including area code: (212) 454-7190

Date of fiscal year end: 09/30

Date of reporting period: 06/30/07

ITEM 1. SCHEDULE OF INVESTMENTS

Investment Portfolio

as of June 30, 2007 (Unaudited)

DWS Capital Growth Fund

			Shares	Value ($)

	Common Stocks 97.6%
Consumer Discretionary 14.2%
Automobiles 0.8%
Harley-Davidson, Inc. (a)		255,500		15,230,355
Hotels Restaurants & Leisure 1.8%
McDonald's Corp.		445,400		22,608,504
Starbucks Corp.*		372,900		9,784,896

				32,393,400
Household Durables 1.0%
Fortune Brands, Inc.		209,000		17,215,330
Media 3.0%
McGraw-Hill Companies, Inc.		438,800		29,873,504

Omnicom Group, Inc.	479,200	25,359,264

		55,232,768
Multiline Retail 3.5%
Kohl's Corp.*	290,700	20,648,421
Nordstrom, Inc.	157,400	8,046,288
Target Corp.	550,800	35,030,880

		63,725,589
Specialty Retail 3.0%
Best Buy Co., Inc.	186,500	8,703,955
Lowe's Companies, Inc.	431,300	13,236,597
Staples, Inc.	978,950	23,230,483
Tiffany & Co.	169,500	8,993,670

		54,164,705
Textiles, Apparel & Luxury Goods 1.1%
Coach, Inc.*	419,500	19,880,105
Consumer Staples 11.3%
Beverages 3.6%
Diageo PLC	904,128	18,827,565
PepsiCo, Inc.	708,900	45,972,165

		64,799,730
Food & Staples Retailing 2.1%
Shoppers Drug Mart Corp.	194,100	8,990,279
Walgreen Co.	677,100	29,480,934

		38,471,213
Food Products 2.8%
Dean Foods Co.	366,500	11,680,355
Groupe Danone	204,804	16,637,052
Kellogg Co.	329,000	17,038,910
Royal Numico NV	95,512	4,980,798

		50,337,115
Household Products 2.8%
Colgate-Palmolive Co.	234,500	15,207,325
Procter & Gamble Co.	591,800	36,212,242

		51,419,567
Energy 13.6%
Energy Equipment & Services 7.1%
Baker Hughes, Inc.	401,800	33,803,434
Noble Corp.	187,300	18,265,496
Schlumberger Ltd.	553,500	47,014,290
Transocean, Inc.*	269,050	28,513,919

		127,597,139
Oil, Gas & Consumable Fuels 6.5%
ConocoPhillips	255,350	20,044,975
Devon Energy Corp.	407,000	31,864,030
EOG Resources, Inc.	267,400	19,536,244
Valero Energy Corp.	256,400	18,937,704
XTO Energy, Inc.	463,500	27,856,350

		118,239,303
Financials 7.4%
Capital Markets 3.8%
Lehman Brothers Holdings, Inc.	267,800	19,956,456

Merrill Lynch & Co., Inc.	228,800	19,123,104
The Goldman Sachs Group, Inc.	77,400	16,776,450
UBS AG (Registered)	223,065	13,440,511

		69,296,521
Consumer Finance 0.9%
American Express Co.	273,400	16,726,612
Diversified Financial Services 1.8%
Bank of America Corp.	415,400	20,308,906
Chicago Mercantile Exchange Holdings, Inc. "A"	23,408	12,508,299

		32,817,205
Insurance 0.9%
Aflac, Inc.	305,830	15,719,662
Health Care 17.1%
Biotechnology 4.9%
Celgene Corp.*	230,900	13,237,497
Genentech, Inc.*	470,700	35,613,162
Gilead Sciences, Inc.*	1,028,800	39,886,576

		88,737,235
Health Care Equipment & Supplies 5.5%
Baxter International, Inc.	582,200	32,801,148
C.R. Bard, Inc.	196,200	16,212,006
Medtronic, Inc.	528,600	27,413,196
Zimmer Holdings, Inc.*	275,530	23,389,741

		99,816,091
Health Care Providers & Services 2.0%
Laboratory Corp. of America Holdings*	180,900	14,157,234
UnitedHealth Group, Inc.	429,200	21,949,288

		36,106,522
Life Sciences Tools & Services 0.5%
Thermo Fisher Scientific, Inc.*	166,700	8,621,724
Pharmaceuticals 4.2%
Abbott Laboratories	383,800	20,552,490
Eli Lilly & Co.	186,500	10,421,620
Johnson & Johnson	737,706	45,457,444

		76,431,554
Industrials 9.5%
Aerospace & Defense 2.5%
Honeywell International, Inc.	286,800	16,141,104
United Technologies Corp.	405,600	28,769,208

		44,910,312
Air Freight & Logistics 1.2%
FedEx Corp.	200,800	22,282,776
Electrical Equipment 1.9%
Emerson Electric Co.	736,900	34,486,920
Industrial Conglomerates 2.4%
General Electric Co.	1,145,500	43,849,740
Machinery 1.5%
Caterpillar, Inc.	230,800	18,071,640
Parker Hannifin Corp.	98,500	9,644,135

		27,715,775

Information Technology 20.6%
Communications Equipment 2.7%
Cisco Systems, Inc.*		1,133,750		31,574,937
QUALCOMM, Inc.		407,100		17,664,069

				49,239,006
Computers & Peripherals 5.9%
Apple, Inc.*		362,600		44,251,704
EMC Corp.*		1,351,200		24,456,720
Hewlett-Packard Co.		357,400		15,947,188
International Business Machines Corp.		217,900		22,933,975

				107,589,587
Electronic Equipment & Instruments 0.6%
Mettler-Toledo International, Inc.*		109,800		10,486,998
Internet Software & Services 1.8%
Google, Inc. "A"*		36,400		19,051,032
Yahoo!, Inc.*		538,200		14,601,366

				33,652,398
IT Services 2.4%
Accenture Ltd. "A"		658,100		28,225,909
Paychex, Inc.		388,900		15,213,768

				43,439,677
Semiconductors & Semiconductor Equipment 3.5%
Broadcom Corp. "A"*		317,650		9,291,263
Intel Corp.		1,169,690		27,791,834
Texas Instruments, Inc.		690,400		25,979,752

				63,062,849
Software 3.7%
Adobe Systems, Inc.*		431,400		17,320,710
Electronic Arts, Inc.* (a)		300,100		14,200,732
Microsoft Corp.		1,182,280		34,841,792

				66,363,234
Materials 2.9%
Chemicals
Ecolab, Inc.		402,200		17,173,940
Monsanto Co.		234,700		15,851,638
Praxair, Inc.		262,300		18,882,977

				51,908,555
Telecommunication Services 1.0%
Diversified Telecommunication Services 0.5%
AT&T, Inc.		223,000		9,254,500
Wireless Telecommunication Services 0.5%
American Tower Corp. "A"*		217,900		9,151,800

Total Common Stocks (Cost $1,077,761,072)			1,770,373,572
	Securities Lending Collateral 0.5%
Daily Assets Fund Institutional, 5.36% (b) (c) (Cost $9,369,400)		9,369,400		9,369,400
	Cash Equivalents 2.5%
Cash Management QP Trust, 5.34% (b) (Cost $44,772,331)		44,772,331		44,772,331

			% of Net Assets		Value ($)

Total Investment Portfolio (Cost $ 1,131,902,803)		100.6		1,824,515,303
Other Assets and Liabilities, Net		(0.6)		(10,706,204)

Net Assets		100.0		1,813,809,099
	For information on the Fund's policies regarding the valuation of investments and other significant accounting policies, please refer to the Fund's most recent semi-annual or annual financial statements.
*	Non-income producing security.
(a)	All or a portion of these securities were on loan. The value of all securities loaned at June 30, 2007 amounted to $9,178,754 which is 0.5% of net assets.
(b)	Affiliated fund managed by Deutsche Investment Management Americas Inc. The rate shown is the annualized seven-day yield at period end.
(c)	Represents collateral held in connection with securities lending.

ITEM 2.	CONTROLS AND PROCEDURES

	(a) The Chief Executive and Financial Officers concluded that the Registrant’s Disclosure Controls and Procedures are effective based on the evaluation of the Disclosure Controls and Procedures as of a date within 90 days of the filing date of this report.

	(b) There have been no changes in the registrant’s internal control over financial reporting that occurred during the registrant’s last half-year (the registrant’s second fiscal half-year in the case of the annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal controls over financial reporting.

ITEM 3.	EXHIBITS

	Certification pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17 CFR 270.30a-2(a)) is filed and attached hereto as Exhibit 99.CERT.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Registrant:

DWS Capital Growth Fund, a series of DWS Investment Trust

By:	/s/Michael G. Clark

Michael G. Clark

President

Date:

August 8, 2007

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Registrant:

DWS Capital Growth Fund, a series of DWS Investment Trust

By:	/s/Michael G. Clark

Michael G. Clark

President

Date:

August 8, 2007

By:	/s/Paul Schubert

Paul Schubert

Chief Financial Officer and Treasurer

Date: August 8, 2007

CERTIFICATIONS

I, Michael G. Clark, certify that:

I have reviewed this report on Form N-Q of DWS Capital Growth Fund, a series of DWS Investment Trust;

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

Based on my knowledge, the schedules of investments included in this report fairly present in all material respects the investments of the registrant as of the end of the fiscal quarter for which the report is filed;

The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

(a)

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)

Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report, based on such evaluation; and

(d)

Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)

All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Registrant:

DWS Capital Growth Fund, a series of DWS Investment Trust

By:	/s/Michael G. Clark

Michael G. Clark

President

Date:

August 8, 2007

CERTIFICATIONS

I, Paul Schubert, certify that:

I have reviewed this report on Form N-Q of DWS Capital Growth Fund, a series of DWS Investment Trust;

(a)

(b)

(c)

(d)

(a)

(b)

Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Registrant:

DWS Capital Growth Fund, a series of DWS Investment Trust

By:	/s/Paul Schubert

Paul Schubert

Chief Financial Officer and Treasurer

Date:

August 8, 2007