There is a long list of 141 institutional holders of QNST within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of QNST by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-QNST table below, the initial column indicates the name of each top institutional holder of QNST, with a link to that fund's top holdings. The next columns indicate the amount of QNST stock held by each of the institutional holders of QNST, followed by the QNST position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	8,981,985	$115,149	12/31/2023
QNST	8,981,985	$115,149	12/31/2023
Private Capital Management LLC	4,503,159	$57,730	12/31/2023
QNST	4,503,159	$57,730	12/31/2023
Thrivent Financial for Lutherans	4,050,612	$51,929	12/31/2023
QNST	4,050,612	$51,929	12/31/2023
Vanguard Group Inc.	3,663,813	$46,970	12/31/2023
QNST	3,663,813	$46,970	12/31/2023
NewEdge Wealth LLC	2,606,139	$33,411	12/31/2023
QNST	2,606,139	$33,411	12/31/2023
Royce & Associates LP	2,016,928	$25,857	12/31/2023
QNST	2,016,928	$25,857	12/31/2023
State Street Corp	1,948,125	$24,975	12/31/2023
QNST	1,948,125	$24,975	12/31/2023
Dimensional Fund Advisors LP	1,866,930	$23,934	12/31/2023
QNST	1,866,930	$23,934	12/31/2023
FMR LLC	1,827,667	$23,431	12/31/2023
QNST	1,827,667	$23,431	12/31/2023
Morgan Stanley	1,596,931	$20,473	12/31/2023
QNST	1,596,931	$20,473	12/31/2023
William Blair Investment Management LLC	1,518,703	$19,470	12/31/2023
QNST	1,518,703	$19,470	12/31/2023
Millennium Management LLC	1,410,905	$18,088	12/31/2023
QNST	1,410,905	$18,088	12/31/2023
Geode Capital Management LLC	1,166,478	$14,956	12/31/2023
QNST	1,166,478	$14,956	12/31/2023
Basswood Capital Management L.L.C.	1,007,188	$12,912	12/31/2023
QNST	1,007,188	$12,912	12/31/2023
Impax Asset Management Group plc	960,395	$12,312	12/31/2023
QNST	960,395	$12,312	12/31/2023
Blair William & Co. IL	883,949	$11,332	12/31/2023
QNST	883,949	$11,332	12/31/2023
Silvercrest Asset Management Group LLC	850,573	$10,904	12/31/2023
QNST	850,573	$10,904	12/31/2023
Driehaus Capital Management LLC	709,649	$9,098	12/31/2023
QNST	709,649	$9,098	12/31/2023
Portolan Capital Management LLC	622,551	$7,981	12/31/2023
QNST	622,551	$7,981	12/31/2023
Northern Trust Corp	604,375	$7,748	12/31/2023
QNST	604,375	$7,748	12/31/2023
Mill Road Capital Management LLC	583,118	$7,476	12/31/2023
QNST	583,118	$7,476	12/31/2023
JPMorgan Chase & Co.	535,102	$6,860	12/31/2023
QNST	535,102	$6,860	12/31/2023
Bank of New York Mellon Corp	385,238	$6,803	03/31/2024
QNST	385,238	$6,803	03/31/2024
Balyasny Asset Management LLC	478,889	$6,139	12/31/2023
QNST	478,889	$6,139	12/31/2023
First Eagle Investment Management LLC	457,023	$5,859	12/31/2023
QNST	457,023	$5,859	12/31/2023
Charles Schwab Investment Management Inc.	431,076	$5,526	12/31/2023
QNST	431,076	$5,526	12/31/2023
Jacobs Asset Management LLC	410,000	$5,256	12/31/2023
QNST	410,000	$5,256	12/31/2023
D. E. Shaw & Co. Inc.	371,039	$4,757	12/31/2023
QNST	371,039	$4,757	12/31/2023
Nomura Holdings Inc.	360,543	$4,622	12/31/2023
QNST	360,543	$4,622	12/31/2023
Nuveen Asset Management LLC	298,259	$3,824	12/31/2023
QNST	298,259	$3,824	12/31/2023
Principal Financial Group Inc.	283,244	$3,631	12/31/2023
QNST	283,244	$3,631	12/31/2023
Boston Private Wealth LLC	273,356	$3,504	12/31/2023
QNST	273,356	$3,504	12/31/2023
Franklin Resources Inc.	254,409	$3,262	12/31/2023
QNST	254,409	$3,262	12/31/2023
Citadel Advisors LLC		$3,148	12/31/2023
QNST	245,747	$3,150	12/31/2023
Put	3,100	$40	12/31/2023
Call	3,000	$38	12/31/2023
Assenagon Asset Management S.A.	176,397	$3,115	03/31/2024
QNST	176,397	$3,115	03/31/2024
HST Ventures LLC	195,547	$2,507	12/31/2023
QNST	195,547	$2,507	12/31/2023
Panagora Asset Management Inc.	179,183	$2,297	12/31/2023
QNST	179,183	$2,297	12/31/2023
Allegheny Financial Group LTD	166,453	$2,134	12/31/2023
QNST	166,453	$2,134	12/31/2023
Equitable Trust Co.	118,945	$2,101	03/31/2024
QNST	118,945	$2,101	03/31/2024
Rhumbline Advisers	157,610	$2,021	12/31/2023
QNST	157,610	$2,021	12/31/2023
Ameriprise Financial Inc.	149,495	$1,917	12/31/2023
QNST	149,495	$1,917	12/31/2023
Invesco Ltd.	146,660	$1,880	12/31/2023
QNST	146,660	$1,880	12/31/2023
Legal & General Group Plc	144,062	$1,847	12/31/2023
QNST	144,062	$1,847	12/31/2023
Goldman Sachs Group Inc.	125,788	$1,613	12/31/2023
QNST	125,788	$1,613	12/31/2023
Barclays PLC	112,423	$1,442	12/31/2023
QNST	112,423	$1,442	12/31/2023
Public Sector Pension Investment Board	107,598	$1,379	12/31/2023
QNST	107,598	$1,379	12/31/2023
Swiss National Bank	102,400	$1,313	12/31/2023
QNST	102,400	$1,313	12/31/2023
Manatuck Hill Partners LLC	100,000	$1,282	12/31/2023
QNST	100,000	$1,282	12/31/2023
Susquehanna International Group LLP		$1,162	12/31/2023
Call	53,600	$687	12/31/2023
QNST	47,138	$604	12/31/2023
Put	10,100	$129	12/31/2023
Bank of America Corp DE	71,735	$920	12/31/2023
QNST	71,735	$920	12/31/2023