QuinStreet (QNST) Schedule 13G/A — Driehaus Discloses No Ownership

Rhea-AI Filing Summary

Driehaus Capital Management LLC filed a Schedule 13G/A reporting it does not beneficially own any QuinStreet, Inc. common stock. The filing states 0 shares (0%) and records no sole or shared voting or dispositive power. The reporting person is identified as an investment adviser and certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. This disclosure is a routine ownership statement indicating no current stake or governance influence by the reporting firm.

Insights

Financial Analyst

TL;DR: Driehaus reports zero beneficial ownership (0 shares, 0%), a routine disclosure with no evident market impact.

The filing explicitly shows 0 shares and 0% beneficial ownership and no sole or shared voting or dispositive power. As an investment adviser, the reporting entity affirms holdings are in the ordinary course of business and not intended to influence issuer control. From a market perspective, this provides no new stake-driven catalysts for QuinStreet and should be treated as a routine regulatory disclosure.

Corporate Governance Expert

TL;DR: Zero ownership means the reporting firm holds no governance influence over QuinStreet; the filing is procedural.

The statement confirms the reporting person has no voting or dispositive power and reports ownership at 0%. The certification that securities are held in the ordinary course and not to change control further confirms there is no active governance engagement. This filing does not signal shareholder activism, control contests, or board-level pressure from the reporting entity.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Quinstreet, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

74874Q100

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 74874Q100

1

Names of Reporting Persons

DRIEHAUS CAPITAL MANAGEMENT LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Quinstreet, Inc.
(b)	Address of issuer's principal executive offices: 950 Tower Lane, 6th Floor, Foster City, California, 94404
Item 2.
(a)	Name of person filing: Driehaus Capital Management LLC
(b)	Address or principal business office or, if none, residence: 25 East Erie Street Chicago, Illinois 60611
(c)	Citizenship: USA
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 74874Q100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

DRIEHAUS CAPITAL MANAGEMENT LLC

Signature:	Janet McWilliams
Name/Title:	Janet McWilliams/General Counsel
Date:	08/14/2025

FAQ

Who filed the Schedule 13G/A for QuinStreet (QNST)?

The filing was made by Driehaus Capital Management LLC, identified in the filing as an investment adviser.

How many QuinStreet shares does Driehaus report owning?

The filing reports 0 shares, representing 0% of the class.

Does Driehaus report any voting or dispositive power over QuinStreet shares?

No. The filing states no sole or shared voting power and no sole or shared dispositive power.

Does the filing indicate Driehaus intends to influence QuinStreet's control?

The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Who signed the Schedule 13G/A on behalf of Driehaus?

The signature block shows Janet McWilliams as General Counsel signing for Driehaus Capital Management LLC.