On this page, we present all of the funds holding HSII from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding HSII, with a link to that fund's top holdings. The next columns indicate the amount of HSII stock held by each of the funds holding HSII, followed by the HSII position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 172 funds holding HSII within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding HSII), click the fund name in the "Holder" column of the funds-holding-HSII table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	3,397,238	$100,320	12/31/2023
HSII	3,397,238	$100,320	12/31/2023
Vanguard Group Inc.	1,535,887	$45,355	12/31/2023
HSII	1,535,887	$45,355	12/31/2023
Dimensional Fund Advisors LP	1,319,499	$38,965	12/31/2023
HSII	1,319,499	$38,965	12/31/2023
Renaissance Technologies LLC	1,082,940	$31,979	12/31/2023
HSII	1,082,940	$31,979	12/31/2023
State Street Corp	767,821	$22,674	12/31/2023
HSII	767,821	$22,674	12/31/2023
Systematic Financial Management LP	518,637	$15,315	12/31/2023
HSII	518,637	$15,315	12/31/2023
Applied Fundamental Research LLC	458,331	$13,535	12/31/2023
HSII	458,331	$13,535	12/31/2023
Geode Capital Management LLC	440,789	$13,018	12/31/2023
HSII	440,789	$13,018	12/31/2023
Hotchkis & Wiley Capital Management LLC	417,066	$12,316	12/31/2023
HSII	417,066	$12,316	12/31/2023
JPMorgan Chase & Co.	398,090	$11,756	12/31/2023
HSII	398,090	$11,756	12/31/2023
Morgan Stanley	396,628	$11,712	12/31/2023
HSII	396,628	$11,712	12/31/2023
Millennium Management LLC	334,614	$9,881	12/31/2023
HSII	334,614	$9,881	12/31/2023
LSV Asset Management	301,367	$8,899	12/31/2023
HSII	301,367	$8,899	12/31/2023
Invenomic Capital Management LP	296,550	$8,757	12/31/2023
HSII	296,550	$8,757	12/31/2023
Bank of New York Mellon Corp	278,936	$8,237	12/31/2023
HSII	278,936	$8,237	12/31/2023
Charles Schwab Investment Management Inc.	276,703	$8,171	12/31/2023
HSII	276,703	$8,171	12/31/2023
Assenagon Asset Management S.A.	248,923	$7,351	12/31/2023
HSII	248,923	$7,351	12/31/2023
Northern Trust Corp	242,605	$7,164	12/31/2023
HSII	242,605	$7,164	12/31/2023
Citadel Advisors LLC		$6,837	12/31/2023
HSII	236,756	$6,991	12/31/2023
Put	7,000	$207	12/31/2023
Call	1,800	$53	12/31/2023
Wellington Management Group LLP	223,616	$6,603	12/31/2023
HSII	223,616	$6,603	12/31/2023
Ameriprise Financial Inc.	216,122	$6,382	12/31/2023
HSII	216,122	$6,382	12/31/2023
Jacobs Levy Equity Management Inc.	183,070	$5,406	12/31/2023
HSII	183,070	$5,406	12/31/2023
Goldman Sachs Group Inc.	177,666	$5,246	12/31/2023
HSII	177,666	$5,246	12/31/2023
Nuveen Asset Management LLC	176,301	$5,206	12/31/2023
HSII	176,301	$5,206	12/31/2023
Allianz Asset Management GmbH	163,130	$4,817	12/31/2023
HSII	163,130	$4,817	12/31/2023
Federated Hermes Inc.	158,827	$4,690	12/31/2023
HSII	158,827	$4,690	12/31/2023
Invesco Ltd.	156,804	$4,630	12/31/2023
HSII	156,804	$4,630	12/31/2023
Empowered Funds LLC	155,974	$4,606	12/31/2023
HSII	155,974	$4,606	12/31/2023
AQR Capital Management LLC	132,097	$3,901	12/31/2023
HSII	132,097	$3,901	12/31/2023
Franklin Resources Inc.	130,283	$3,847	12/31/2023
HSII	130,283	$3,847	12/31/2023
Acadian Asset Management LLC	123,792	$3,653	12/31/2023
HSII	123,792	$3,653	12/31/2023
Bridgeway Capital Management Inc.	123,137	$3,636	12/31/2023
HSII	123,137	$3,636	12/31/2023
Boston Partners	121,748	$3,595	12/31/2023
HSII	121,748	$3,595	12/31/2023
Clark Estates Inc. NY	118,200	$3,490	12/31/2023
HSII	118,200	$3,490	12/31/2023
D. E. Shaw & Co. Inc.	112,027	$3,308	12/31/2023
HSII	112,027	$3,308	12/31/2023
Principal Financial Group Inc.	110,892	$3,275	12/31/2023
HSII	110,892	$3,275	12/31/2023
Deprince Race & Zollo Inc.	99,538	$2,939	12/31/2023
HSII	99,538	$2,939	12/31/2023
Sei Investments Co.	89,163	$2,633	12/31/2023
HSII	89,163	$2,633	12/31/2023
UBS Group AG	71,000	$2,097	12/31/2023
HSII	71,000	$2,097	12/31/2023
Two Sigma Advisers LP	70,257	$2,075	12/31/2023
HSII	70,257	$2,075	12/31/2023
Two Sigma Investments LP	66,336	$1,959	12/31/2023
HSII	66,336	$1,959	12/31/2023
Rhumbline Advisers	65,980	$1,948	12/31/2023
HSII	65,980	$1,948	12/31/2023
Legal & General Group Plc	59,483	$1,757	12/31/2023
HSII	59,483	$1,757	12/31/2023
Robeco Institutional Asset Management B.V.	58,844	$1,738	12/31/2023
HSII	58,844	$1,738	12/31/2023
GSA Capital Partners LLP	57,743	$1,705	12/31/2023
HSII	57,743	$1,705	12/31/2023
TD Asset Management Inc.	56,300	$1,663	12/31/2023
HSII	56,300	$1,663	12/31/2023
Bank of America Corp DE	54,093	$1,597	12/31/2023
HSII	54,093	$1,597	12/31/2023
Brandywine Global Investment Management LLC	54,035	$1,596	12/31/2023
HSII	54,035	$1,596	12/31/2023
Cresset Asset Management LLC	51,960	$1,534	12/31/2023
HSII	51,960	$1,534	12/31/2023
Norges Bank	45,800	$1,352	12/31/2023
HSII	45,800	$1,352	12/31/2023
Russell Investments Group Ltd.	44,723	$1,321	12/31/2023
HSII	44,723	$1,321	12/31/2023
Martingale Asset Management L P	44,113	$1,303	12/31/2023
HSII	44,113	$1,303	12/31/2023
Pacific Ridge Capital Partners LLC	44,130	$1,303	12/31/2023
HSII	44,130	$1,303	12/31/2023
Campbell & CO Investment Adviser LLC	43,525	$1,285	12/31/2023
HSII	43,525	$1,285	12/31/2023
New York State Teachers Retirement System	43,454	$1,283	12/31/2023
HSII	43,454	$1,283	12/31/2023
Barclays PLC	43,241	$1,275	12/31/2023
HSII	43,241	$1,275	12/31/2023
Public Sector Pension Investment Board	41,758	$1,233	12/31/2023
HSII	41,758	$1,233	12/31/2023
Swiss National Bank	39,500	$1,166	12/31/2023
HSII	39,500	$1,166	12/31/2023
BNP Paribas Arbitrage SA	38,643	$1,141	12/31/2023
HSII	38,643	$1,141	12/31/2023
American Century Companies Inc.	35,582	$1,051	12/31/2023
HSII	35,582	$1,051	12/31/2023
Summit Global Investments	31,876	$941	12/31/2023
HSII	31,876	$941	12/31/2023
Janus Henderson Group PLC	31,795	$939	12/31/2023
HSII	31,795	$939	12/31/2023
Cubist Systematic Strategies LLC	29,375	$867	12/31/2023
HSII	29,375	$867	12/31/2023
Engineers Gate Manager LP	29,270	$864	12/31/2023
HSII	29,270	$864	12/31/2023
Keeley Teton Advisors LLC	27,848	$822	12/31/2023
HSII	27,848	$822	12/31/2023
Globeflex Capital L P	27,755	$820	12/31/2023
HSII	27,755	$820	12/31/2023
Prairiewood Capital LLC	27,543	$813	12/31/2023
HSII	27,543	$813	12/31/2023
New York State Common Retirement Fund	26,632	$786	12/31/2023
HSII	26,632	$786	12/31/2023
Mirae Asset Global Investments Co. Ltd.	26,592	$785	12/31/2023
HSII	26,592	$785	12/31/2023
State of Wisconsin Investment Board	26,197	$774	12/31/2023
HSII	26,197	$774	12/31/2023
Credit Suisse AG	25,640	$757	12/31/2023
HSII	25,640	$757	12/31/2023
Great West Life Assurance Co. Can	24,777	$730	12/31/2023
HSII	24,777	$730	12/31/2023
Quadrature Capital Ltd	24,349	$719	12/31/2023
HSII	24,349	$719	12/31/2023
Prudential Financial Inc.	23,159	$684	12/31/2023
HSII	23,159	$684	12/31/2023
Petrus Trust Company LTA	22,785	$673	12/31/2023
HSII	22,785	$673	12/31/2023
Unison Advisors LLC	19,755	$665	03/31/2024
HSII	19,755	$665	03/31/2024
Los Angeles Capital Management & Equity Research Inc.	19,725	$664	03/31/2024
HSII	19,725	$664	03/31/2024
Putnam Investments LLC	22,013	$650	12/31/2023
HSII	22,013	$650	12/31/2023
Royce & Associates LP	21,462	$634	12/31/2023
HSII	21,462	$634	12/31/2023
California State Teachers Retirement System	21,095	$623	12/31/2023
HSII	21,095	$623	12/31/2023
UBS Asset Management Americas Inc.	20,430	$603	12/31/2023
HSII	20,430	$603	12/31/2023
FMR LLC	20,044	$592	12/31/2023
HSII	20,044	$592	12/31/2023
Denali Advisors LLC	19,500	$576	12/31/2023
HSII	19,500	$576	12/31/2023
Thrivent Financial for Lutherans	17,964	$530	12/31/2023
HSII	17,964	$530	12/31/2023
Texas Permanent School Fund	17,382	$513	12/31/2023
HSII	17,382	$513	12/31/2023
Teacher Retirement System of Texas	17,193	$508	12/31/2023
HSII	17,193	$508	12/31/2023
Ensign Peak Advisors Inc	17,150	$506	12/31/2023
HSII	17,150	$506	12/31/2023
Occudo Quantitative Strategies LP	16,349	$483	12/31/2023
HSII	16,349	$483	12/31/2023
Algert Global LLC	16,010	$473	12/31/2023
HSII	16,010	$473	12/31/2023
Price T Rowe Associates Inc. MD	15,813	$467	12/31/2023
HSII	15,813	$467	12/31/2023
Jump Financial LLC	15,800	$467	12/31/2023
HSII	15,800	$467	12/31/2023
US Bancorp DE	15,635	$462	12/31/2023
HSII	15,635	$462	12/31/2023
Citigroup Inc.	15,463	$457	12/31/2023
HSII	15,463	$457	12/31/2023
Alliancebernstein L.P.	15,090	$446	12/31/2023
HSII	15,090	$446	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	14,906	$440	12/31/2023
HSII	14,906	$440	12/31/2023
ExodusPoint Capital Management LP	14,538	$429	12/31/2023
HSII	14,538	$429	12/31/2023
Hsbc Holdings PLC	14,294	$421	12/31/2023
HSII	14,294	$421	12/31/2023
Man Group plc	13,866	$409	12/31/2023
HSII	13,866	$409	12/31/2023
Affinity Investment Advisors LLC	13,253	$391	12/31/2023
HSII	13,253	$391	12/31/2023
State of Alaska Department of Revenue	12,380	$365	12/31/2023
HSII	12,380	$365	12/31/2023
Illinois Municipal Retirement Fund	11,647	$344	12/31/2023
HSII	11,647	$344	12/31/2023
Lazard Asset Management LLC	11,533	$340	12/31/2023
HSII	11,533	$340	12/31/2023
New York Life Investment Management LLC	11,464	$339	12/31/2023
HSII	11,464	$339	12/31/2023
Nebula Research & Development LLC	11,384	$336	12/31/2023
HSII	11,384	$336	12/31/2023
Balanced Rock Investment Advisor	11,215	$331	12/31/2023
HSII	11,215	$331	12/31/2023
American International Group Inc.	10,804	$319	12/31/2023
HSII	10,804	$319	12/31/2023
Public Employees Retirement System of Ohio	10,615	$313	12/31/2023
HSII	10,615	$313	12/31/2023
Mackenzie Financial Corp	10,413	$307	12/31/2023
HSII	10,413	$307	12/31/2023
MetLife Investment Management LLC	10,114	$299	12/31/2023
HSII	10,114	$299	12/31/2023
Louisiana State Employees Retirement System	10,100	$298	12/31/2023
HSII	10,100	$298	12/31/2023
Yousif Capital Management LLC	10,073	$297	12/31/2023
HSII	10,073	$297	12/31/2023
State Board of Administration of Florida Retirement System	9,717	$287	12/31/2023
HSII	9,717	$287	12/31/2023
Comerica Bank	9,597	$283	12/31/2023
HSII	9,597	$283	12/31/2023
Mesirow Financial Investment Management Inc.	10,375	$282	12/31/2023
HSII	10,375	$282	12/31/2023
Grantham Mayo Van Otterloo & Co. LLC	9,471	$280	12/31/2023
HSII	9,471	$280	12/31/2023
Orion Portfolio Solutions LLC	9,641	$269	12/31/2023
HSII	9,641	$269	12/31/2023
Deutsche Bank AG	8,974	$265	12/31/2023
HSII	8,974	$265	12/31/2023
Bailard Inc.	8,800	$260	12/31/2023
HSII	8,800	$260	12/31/2023
Jane Street Group LLC	8,758	$259	12/31/2023
HSII	8,758	$259	12/31/2023
Guggenheim Capital LLC	8,746	$258	12/31/2023
HSII	8,746	$258	12/31/2023
Voya Investment Management LLC	8,674	$256	12/31/2023
HSII	8,674	$256	12/31/2023
Susquehanna International Group LLP	8,509	$251	12/31/2023
HSII	8,509	$251	12/31/2023
Keene & Associates Inc.	8,205	$242	12/31/2023
HSII	8,205	$242	12/31/2023
Centiva Capital LP	8,048	$238	12/31/2023
HSII	8,048	$238	12/31/2023
Balyasny Asset Management LLC	8,000	$236	12/31/2023
HSII	8,000	$236	12/31/2023
Tudor Investment Corp Et Al	7,635	$225	12/31/2023
HSII	7,635	$225	12/31/2023
The Manufacturers Life Insurance Company	7,568	$223	12/31/2023
HSII	7,568	$223	12/31/2023
Amalgamated Bank	7,530	$222	12/31/2023
HSII	7,530	$222	12/31/2023
Maryland State Retirement & Pension System	7,370	$218	12/31/2023
HSII	7,370	$218	12/31/2023
Tower Research Capital LLC TRC	7,143	$211	12/31/2023
HSII	7,143	$211	12/31/2023
Corton Capital Inc.	7,091	$209	12/31/2023
HSII	7,091	$209	12/31/2023
Susquehanna Portfolio Strategies LLC	6,987	$206	12/31/2023
HSII	6,987	$206	12/31/2023
State of Tennessee Treasury Department	6,748	$199	12/31/2023
HSII	6,748	$199	12/31/2023
Teachers Retirement System of The State of Kentucky	6,492	$192	12/31/2023
HSII	6,492	$192	12/31/2023
Royal Bank of Canada	6,454	$190	12/31/2023
HSII	6,454	$190	12/31/2023
Shell Asset Management Co.	6,316	$187	12/31/2023
HSII	6,316	$187	12/31/2023
Public Employees Retirement Association of Colorado	6,196	$183	12/31/2023
HSII	6,196	$183	12/31/2023
Wells Fargo & Company MN	6,171	$182	12/31/2023
HSII	6,171	$182	12/31/2023
Oregon Public Employees Retirement Fund	5,914	$175	12/31/2023
HSII	5,914	$175	12/31/2023
The PNC Financial Services Group Inc.	5,862	$173	12/31/2023
HSII	5,862	$173	12/31/2023
Quantbot Technologies LP	5,381	$159	12/31/2023
HSII	5,381	$159	12/31/2023
Allspring Global Investments Holdings LLC	3,824	$129	03/31/2024
HSII	3,824	$129	03/31/2024
Point72 Middle East FZE	4,072	$120	12/31/2023
HSII	4,072	$120	12/31/2023
Sandy Spring Bank	3,730	$110	12/31/2023
HSII	3,730	$110	12/31/2023
Victory Capital Management Inc.	3,530	$104	12/31/2023
HSII	3,530	$104	12/31/2023
Banque Cantonale Vaudoise	2,894	$97	03/31/2024
HSII	2,894	$97	03/31/2024
Zurcher Kantonalbank Zurich Cantonalbank	3,297	$97	12/31/2023
HSII	3,297	$97	12/31/2023
Aquatic Capital Management LLC	3,200	$94	12/31/2023
HSII	3,200	$94	12/31/2023
Gladius Capital Management LP	2,660	$79	12/31/2023
HSII	2,660	$79	12/31/2023
Amundi	2,867	$78	12/31/2023
HSII	2,867	$78	12/31/2023
Ameritas Investment Partners Inc.	1,956	$58	12/31/2023
HSII	1,956	$58	12/31/2023
Point72 Asset Management L.P.	1,800	$53	12/31/2023
HSII	1,800	$53	12/31/2023
AJOVista LLC	1,711	$51	12/31/2023
HSII	1,711	$51	12/31/2023
Nisa Investment Advisors LLC	1,620	$48	12/31/2023
HSII	1,620	$48	12/31/2023
KBC Group NV	1,121	$33	12/31/2023
HSII	1,121	$33	12/31/2023
Metropolitan Life Insurance Co NY	1,071	$32	12/31/2023
HSII	1,071	$32	12/31/2023
Qube Research & Technologies Ltd	986	$29	12/31/2023
HSII	986	$29	12/31/2023
WealthCollab LLC	871	$26	12/31/2023
HSII	871	$26	12/31/2023
Quadrant Capital Group LLC	118	$3	12/31/2023
HSII	118	$3	12/31/2023
Advisor Group Holdings Inc.	88	$3	12/31/2023
HSII	88	$3	12/31/2023
Lee Financial Co	76	$2	12/31/2023
HSII	76	$2	12/31/2023
Covestor Ltd	62	$2	12/31/2023
HSII	62	$2	12/31/2023
Farmers & Merchants Investments Inc.	15	$1	03/31/2024
HSII	15	$1	03/31/2024
GAMMA Investing LLC	25	$1	03/31/2024
HSII	25	$1	03/31/2024
Principal Securities Inc.	34	$1	12/31/2023
HSII	34	$1	12/31/2023
EverSource Wealth Advisors LLC	41	$1	12/31/2023
HSII	41	$1	12/31/2023
Massmutual Trust Co. FSB ADV	9	$0	03/31/2024
HSII	9	$0	03/31/2024
CWM LLC	7	$0	03/31/2024
HSII	7	$0	03/31/2024
Fifth Third Bancorp	14	$0	12/31/2023
HSII	14	$0	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
HSII	0	$0	12/31/2023
Assetmark Inc.	11	$0	12/31/2023
HSII	11	$0	12/31/2023
First Horizon Advisors Inc.	15	$0	12/31/2023
HSII	15	$0	12/31/2023
Farther Finance Advisors LLC	13	$0	12/31/2023
HSII	13	$0	12/31/2023