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Heidrick & Struggles International (HSII) Institutional Ownership

Current Institutional Ownership Percentage: 90.13%
Number of Institutional Buyers (last 12 months): 86
Total Institutional Inflows (last 12 months): $70.47M

Number of Institutional Sellers (last 12 months): 70
Total Institutional Outflows (last 12 months): $59.86M

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HSII Institutional Buying and Selling by Quarter

Heidrick & Struggles International Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
1/1/2026	JPMorgan Chase & Co.	336,498	$16.75M	0.0%	+52.8%	1.618%
1/1/2026	Tudor Investment Corp ET AL	62,467	$3.11M	0.0%	-23.7%	0.300%
12/9/2025	Tudor Investment Corp ET AL	62,467	$3.11M	0.0%	-23.7%	0.300%
11/17/2025	Hancock Whitney Corp	4,262	$212K	0.0%	N/A	0.020%
11/17/2025	Harvest Investment Services LLC	5,026	$250K	0.1%	N/A	0.024%
11/17/2025	Jacobs Levy Equity Management Inc.	157,328	$7.83M	0.0%	+0.3%	0.757%
11/17/2025	PharVision Advisers LLC	4,691	$233K	0.1%	N/A	0.023%
11/17/2025	Verition Fund Management LLC	9,905	$493K	0.0%	N/A	0.048%
11/17/2025	Susquehanna International Group LLP	9,284	$462K	0.0%	-68.0%	0.045%
11/17/2025	Polymer Capital Management US LLC	7,114	$354K	0.0%	+20.4%	0.034%
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11/17/2025	Quarry LP	796	$40K	0.0%	N/A	0.004%
11/17/2025	Qube Research & Technologies Ltd	237,008	$11.80M	0.0%	+21.1%	1.140%
11/17/2025	Mak Capital One LLC	1,213,762	$60.41M	9.3%	+0.2%	5.838%
11/17/2025	Millennium Management LLC	206,662	$10.29M	0.0%	+56.6%	0.994%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	9,443	$470K	0.0%	-15.9%	0.045%
11/17/2025	Invenomic Capital Management LP	88,176	$4.39M	0.2%	-65.6%	0.424%
11/17/2025	Bank of America Corp DE	40,652	$2.02M	0.0%	-11.3%	0.196%
11/17/2025	Boothbay Fund Management LLC	7,782	$387K	0.0%	N/A	0.037%
11/17/2025	Aquatic Capital Management LLC	4,477	$223K	0.0%	-29.6%	0.022%
11/17/2025	Algert Global LLC	43,665	$2.17M	0.0%	+11.6%	0.210%
11/17/2025	Alliancebernstein L.P.	20,495	$1.02M	0.0%	+2.0%	0.099%
11/17/2025	Ameriprise Financial Inc.	113,323	$5.64M	0.0%	-11.4%	0.545%
11/14/2025	Creative Planning	9,295	$463K	0.0%	+15.9%	0.045%
11/14/2025	Lazard Asset Management LLC	72,368	$3.60M	0.0%	-4.1%	0.348%
11/14/2025	Man Group plc	7,745	$385K	0.0%	-26.6%	0.037%
11/14/2025	Hotchkis & Wiley Capital Management LLC	259,554	$12.92M	0.0%	+10.6%	1.248%
11/14/2025	Occudo Quantitative Strategies LP	9,123	$454K	0.1%	+19.0%	0.044%
11/14/2025	Horizon Investments LLC	11,279	$561K	0.0%	-2.4%	0.054%
11/14/2025	Brooklyn Investment Group	7,052	$351K	0.0%	+3,774.7%	0.034%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	45,541	$2.27M	0.0%	-36.6%	0.219%
11/14/2025	Bridgeway Capital Management LLC	169,668	$8.44M	0.2%	-17.4%	0.816%
11/14/2025	Vident Advisory LLC	10,564	$526K	0.0%	+6.3%	0.051%
11/14/2025	Squarepoint Ops LLC	24,213	$1.21M	0.0%	+56.2%	0.116%
11/14/2025	Wellington Management Group LLP	421,601	$20.98M	0.0%	-0.2%	2.028%
11/14/2025	Comerica Bank	5,967	$297K	0.0%	-16.9%	0.029%
11/13/2025	Boston Partners	88,093	$4.18M	0.0%	+8.9%	0.424%
11/13/2025	Martingale Asset Management L P	58,173	$2.90M	0.1%	-0.5%	0.280%
11/13/2025	Invesco Ltd.	153,086	$7.62M	0.0%	-6.5%	0.736%
11/13/2025	Sei Investments Co.	9,498	$473K	0.0%	+9.1%	0.046%
11/13/2025	UBS Group AG	60,495	$3.01M	0.0%	+22.9%	0.291%
Porter flew 3,300 miles to investigate this system (Ad) Porter Stansberry flew the Porter and Co. team 3,300 miles to Dublin to investigate a 17-year investing experiment called Project Prophet - and documented everything on film. Rooted in the laws of physics, this quantitative approach challenges conventional wealth-building wisdom. With 17 years of verified data behind it, Porter calls it unlike anything he has seen in nearly 30 years in the business. Watch the full investigation and decide for yourself
11/13/2025	BNP Paribas Financial Markets	58,904	$2.93M	0.0%	+73.7%	0.283%
11/13/2025	Franklin Resources Inc.	28,622	$1.43M	0.0%	+4.5%	0.138%
11/13/2025	FourThought Financial Partners LLC	5,980	$298K	0.0%	N/A	0.029%
11/13/2025	Legal & General Group Plc	59,957	$2.98M	0.0%	-2.0%	0.288%
11/13/2025	Russell Investments Group Ltd.	15,165	$754K	0.0%	-34.0%	0.073%
11/13/2025	Grantham Mayo Van Otterloo & Co. LLC	10,459	$521K	0.0%	-22.3%	0.050%
11/12/2025	Barclays PLC	113,340	$5.64M	0.0%	-9.6%	0.545%
11/12/2025	Integrated Quantitative Investments LLC	8,406	$418K	0.1%	N/A	0.040%
11/12/2025	Dimensional Fund Advisors LP	1,120,677	$55.78M	0.0%	-8.9%	5.390%
11/12/2025	Picton Mahoney Asset Management	15,716	$783K	0.0%	N/A	0.076%
11/12/2025	Teachers Retirement System of The State of Kentucky	5,819	$290K	0.0%	-10.4%	0.028%
11/12/2025	Victory Capital Management Inc.	16,483	$820K	0.0%	-37.8%	0.079%
11/12/2025	Segall Bryant & Hamill LLC	21,591	$1.08M	0.0%	N/A	0.104%
11/12/2025	Kennondale Capital Management LLC	28,944	$1.44M	1.1%	+42.3%	0.139%
11/12/2025	Royce & Associates LP	85,732	$4.27M	0.0%	+27.5%	0.412%
11/12/2025	New Age Alpha Advisors LLC	18,510	$921K	0.0%	-3.5%	0.089%
11/12/2025	American Century Companies Inc.	635,768	$31.64M	0.0%	+14.9%	3.058%
11/12/2025	Quantbot Technologies LP	6,132	$305K	0.0%	-49.2%	0.029%
11/12/2025	Intech Investment Management LLC	8,991	$447K	0.0%	-25.5%	0.043%
11/12/2025	US Bancorp DE	679	$34K	0.0%	-94.9%	0.003%
11/10/2025	Cary Street Partners Financial LLC	12,730	$634K	0.0%	-15.2%	0.061%
11/10/2025	Villanova Investment Management Co LLC	34,656	$1.73M	1.2%	+36.8%	0.167%
11/10/2025	Ameritas Investment Partners Inc.	1,712	$85K	0.0%	-12.5%	0.008%
11/10/2025	Hillsdale Investment Management Inc.	150,200	$7.48M	0.2%	+5.6%	0.722%
11/10/2025	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	5,582	$278K	0.0%	+22.6%	0.027%
11/10/2025	Jupiter Asset Management Ltd.	8,936	$445K	0.0%	-34.1%	0.043%
11/7/2025	Vanguard Group Inc.	1,536,068	$76.45M	0.0%	+0.6%	7.388%
11/7/2025	JPMorgan Chase & Co.	336,498	$16.75M	0.0%	+52.8%	1.618%
11/7/2025	PNC Financial Services Group Inc.	5,130	$255K	0.0%	-10.1%	0.025%
11/7/2025	Shell Asset Management Co.	1,689	$84K	0.0%	-60.4%	0.008%
11/6/2025	Public Sector Pension Investment Board	80,925	$4.03M	0.0%	-4.1%	0.389%
11/6/2025	Illinois Municipal Retirement Fund	11,100	$552K	0.0%	+1.6%	0.053%
11/6/2025	LSV Asset Management	291,602	$14.51M	0.0%	-3.5%	1.403%
11/6/2025	Rhumbline Advisers	59,964	$2.98M	0.0%	-2.1%	0.288%
11/6/2025	Compagnie Lombard Odier SCmA	500	$25K	0.0%	N/A	0.002%
11/4/2025	Allianz Asset Management GmbH	237,671	$11.83M	0.0%	-29.6%	1.143%
11/4/2025	State of Wyoming	5,232	$260K	0.0%	-3.5%	0.025%
11/4/2025	Principal Financial Group Inc.	100,108	$4.98M	0.0%	-11.5%	0.481%
11/4/2025	Thrivent Financial for Lutherans	14,994	$746K	0.0%	-1.3%	0.072%
11/3/2025	AlphaQuest LLC	19,614	$976K	0.1%	+45.3%	0.094%
11/3/2025	Summit Global Investments	11,794	$587K	0.0%	N/A	0.057%
11/3/2025	SummerHaven Investment Management LLC	17,556	$874K	0.5%	-31.4%	0.084%
10/30/2025	Teacher Retirement System of Texas	77,105	$3.84M	0.0%	+112.5%	0.371%
10/30/2025	Strs Ohio	14,200	$707K	0.0%	-2.1%	0.068%
10/30/2025	Covestor Ltd	843	$42K	0.0%	-17.7%	0.004%
10/30/2025	Applied Fundamental Research LLC	174,612	$8.69M	8.4%	-1.3%	0.839%
10/30/2025	Universal Beteiligungs und Servicegesellschaft mbH	71,948	$3.58M	0.0%	+1.2%	0.346%
10/29/2025	Amalgamated Bank	6,058	$302K	0.0%	+4.1%	0.029%
10/28/2025	Campbell & CO Investment Adviser LLC	24,396	$1.21M	0.1%	-30.1%	0.118%
10/24/2025	New York State Teachers Retirement System	37,800	$1.88M	0.0%	-1.0%	0.182%
Porter flew 3,300 miles to investigate this system (Ad) Porter Stansberry flew the Porter and Co. team 3,300 miles to Dublin to investigate a 17-year investing experiment called Project Prophet - and documented everything on film. Rooted in the laws of physics, this quantitative approach challenges conventional wealth-building wisdom. With 17 years of verified data behind it, Porter calls it unlike anything he has seen in nearly 30 years in the business. Watch the full investigation and decide for yourself
10/24/2025	State of Alaska Department of Revenue	11,562	$575K	0.0%	-5.8%	0.056%
10/23/2025	SG Americas Securities LLC	16,987	$845K	0.0%	+52.2%	0.082%
10/22/2025	Robeco Institutional Asset Management B.V.	117,663	$5.86M	0.0%	-2.8%	0.567%
10/22/2025	CWA Asset Management Group LLC	20,927	$1.04M	0.0%	N/A	0.101%
10/15/2025	CWM LLC	3,583	$178K	0.0%	+357.0%	0.017%
10/15/2025	Inspire Investing LLC	29,991	$1.49M	0.1%	+250.0%	0.145%
10/14/2025	Yousif Capital Management LLC	6,397	$318K	0.0%	-15.9%	0.031%
10/14/2025	Prairiewood Capital LLC	21,735	$1.08M	0.4%	-1.7%	0.105%
10/9/2025	Voya Investment Management LLC	25,611	$1.28M	0.0%	+97.7%	0.123%
10/7/2025	Assenagon Asset Management S.A.	101,339	$5.04M	0.0%	N/A	0.489%

HSII Institutional Ownership - Frequently Asked Questions

During the previous two years, 195 institutional investors and hedge funds held shares of Heidrick & Struggles International. The most heavily invested institutionals were Vanguard Group Inc. ($76.45M), Mak Capital One LLC ($60.41M), Dimensional Fund Advisors LP ($55.78M), Renaissance Technologies LLC ($49.04M), Corvex Management LP ($42.94M), American Century Companies Inc. ($31.64M), and State Street Corp ($30.24M).Learn more on Heidrick & Struggles International's institutional investors.

90.13% of Heidrick & Struggles International's stock is owned by institutional investors. Learn more on HSII's institutional investor holdings.

Of the 153 institutional investors that purchased Heidrick & Struggles International's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Corvex Management LP ($1.00M), Pacer Advisors Inc. ($948.02K), American Century Companies Inc. ($522.67K), JPMorgan Chase & Co. ($470.82K), Mak Capital One LLC ($260.85K), Nuveen LLC ($177.96K), and Allianz Asset Management GmbH ($168.91K).

Institutional investors have bought a total of 1,462,620 shares in the last 24 months. This purchase volume represents approximately $70.47M in transactions.

Of the 70 institutional investors that sold Heidrick & Struggles International's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Allianz Asset Management GmbH ($259.18K), Invenomic Capital Management LP ($168.08K), Invesco Ltd. ($126.74K), Applied Fundamental Research LLC ($112.40K), Dimensional Fund Advisors LP ($109.99K), Jane Street Group LLC ($63.43K), and Tudor Investment Corp ET AL ($38.70K).

Institutional investors have sold a total of 1,251,284 shares in the last 24 months. This volume of shares sold represents approximately $59.86M in transactions.

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This page (NASDAQ:HSII) was last updated on 5/26/2026 by MarketBeat.com Staff.

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Heidrick & Struggles International (HSII) Institutional Ownership

HSII Institutional Buying and Selling by Quarter

Heidrick & Struggles International Major Shareholders & Ownership History

HSII Institutional Ownership - Frequently Asked Questions

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Heidrick & Struggles International (HSII) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Heidrick & Struggles International (NASDAQ:HSII)

HSII Institutional Buying and Selling by Quarter

Heidrick & Struggles International Major Shareholders & Ownership History

HSII Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of HSII shares?

What percentage of Heidrick & Struggles International's stock is owned by institutional investors?

Which institutional investors have been buying Heidrick & Struggles International's stock?

How much institutional buying is happening at Heidrick & Struggles International?

Which of Heidrick & Struggles International's major shareholders have been selling company stock?

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