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Heidrick & Struggles International (HSII) Institutional Ownership

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

Current
Institutional Ownership
Percentage
90.13%
Number of
Institutional Buyers
(last 12 months)
57
Total
Institutional Inflows
(last 12 months)
$45.24M
Number of
Institutional Sellers
(last 12 months)
52
Total
Institutional Outflows
(last 12 months)
$33.24M
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HSII Institutional Buying and Selling by Quarter

Heidrick & Struggles International Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
1/1/2026 JPMorgan Chase & Co.336,498$16.75M0.0%+52.8%1.618%
1/1/2026Tudor Investment Corp ET AL62,467$3.11M0.0%-23.7%0.300%
12/9/2025Tudor Investment Corp ET AL62,467$3.11M0.0%-23.7%0.300%
11/17/2025Hancock Whitney Corp4,262$212K0.0%N/A0.020%
11/17/2025Harvest Investment Services LLC5,026$250K0.1%N/A0.024%
11/17/2025Jacobs Levy Equity Management Inc.157,328$7.83M0.0%+0.3%0.757%
11/17/2025 PharVision Advisers LLC4,691$233K0.1%N/A0.023%
11/17/2025Verition Fund Management LLC9,905$493K0.0%N/A0.048%
11/17/2025Susquehanna International Group LLP9,284$462K0.0%-68.0%0.045%
11/17/2025Polymer Capital Management US LLC7,114$354K0.0%+20.4%0.034%
11/17/2025Quarry LP796$40K0.0%N/A0.004%
11/17/2025Qube Research & Technologies Ltd237,008$11.80M0.0%+21.1%1.140%
11/17/2025Mak Capital One LLC1,213,762$60.41M9.3%+0.2%5.838%
11/17/2025Millennium Management LLC206,662$10.29M0.0%+56.6%0.994%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,443$470K0.0%-15.9%0.045%
11/17/2025Invenomic Capital Management LP88,176$4.39M0.2%-65.6%0.424%
11/17/2025Bank of America Corp DE40,652$2.02M0.0%-11.3%0.196%
11/17/2025Boothbay Fund Management LLC7,782$387K0.0%N/A0.037%
11/17/2025Aquatic Capital Management LLC4,477$223K0.0%-29.6%0.022%
11/17/2025 Algert Global LLC43,665$2.17M0.0%+11.6%0.210%
11/17/2025Alliancebernstein L.P.20,495$1.02M0.0%+2.0%0.099%
11/17/2025Ameriprise Financial Inc.113,323$5.64M0.0%-11.4%0.545%
11/14/2025 Creative Planning9,295$463K0.0%+15.9%0.045%
11/14/2025Lazard Asset Management LLC72,368$3.60M0.0%-4.1%0.348%
11/14/2025Man Group plc7,745$385K0.0%-26.6%0.037%
11/14/2025Hotchkis & Wiley Capital Management LLC259,554$12.92M0.0%+10.6%1.248%
11/14/2025 Occudo Quantitative Strategies LP9,123$454K0.1%+19.0%0.044%
11/14/2025 Horizon Investments LLC11,279$561K0.0%-2.4%0.054%
11/14/2025Brooklyn Investment Group7,052$351K0.0%+3,774.7%0.034%
11/14/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC45,541$2.27M0.0%-36.6%0.219%
11/14/2025Bridgeway Capital Management LLC169,668$8.44M0.2%-17.4%0.816%
11/14/2025 Vident Advisory LLC10,564$526K0.0%+6.3%0.051%
11/14/2025Squarepoint Ops LLC24,213$1.21M0.0%+56.2%0.116%
11/14/2025Wellington Management Group LLP421,601$20.98M0.0%-0.2%2.028%
11/14/2025Comerica Bank5,967$297K0.0%-16.9%0.029%
11/13/2025 Boston Partners88,093$4.18M0.0%+8.9%0.424%
11/13/2025 Martingale Asset Management L P58,173$2.90M0.1%-0.5%0.280%
11/13/2025Invesco Ltd.153,086$7.62M0.0%-6.5%0.736%
11/13/2025Sei Investments Co.9,498$473K0.0%+9.1%0.046%
11/13/2025 UBS Group AG60,495$3.01M0.0%+22.9%0.291%
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11/13/2025 BNP Paribas Financial Markets58,904$2.93M0.0%+73.7%0.283%
11/13/2025 Franklin Resources Inc.28,622$1.43M0.0%+4.5%0.138%
11/13/2025 FourThought Financial Partners LLC5,980$298K0.0%N/A0.029%
11/13/2025Legal & General Group Plc59,957$2.98M0.0%-2.0%0.288%
11/13/2025 Russell Investments Group Ltd.15,165$754K0.0%-34.0%0.073%
11/13/2025 Grantham Mayo Van Otterloo & Co. LLC10,459$521K0.0%-22.3%0.050%
11/12/2025Barclays PLC113,340$5.64M0.0%-9.6%0.545%
11/12/2025Integrated Quantitative Investments LLC8,406$418K0.1%N/A0.040%
11/12/2025 Dimensional Fund Advisors LP1,120,677$55.78M0.0%-8.9%5.390%
11/12/2025 Picton Mahoney Asset Management15,716$783K0.0%N/A0.076%
11/12/2025 Teachers Retirement System of The State of Kentucky5,819$290K0.0%-10.4%0.028%
11/12/2025 Victory Capital Management Inc.16,483$820K0.0%-37.8%0.079%
11/12/2025 Segall Bryant & Hamill LLC21,591$1.08M0.0%N/A0.104%
11/12/2025 Kennondale Capital Management LLC28,944$1.44M1.1%+42.3%0.139%
11/12/2025Royce & Associates LP85,732$4.27M0.0%+27.5%0.412%
11/12/2025 New Age Alpha Advisors LLC18,510$921K0.0%-3.5%0.089%
11/12/2025 American Century Companies Inc.635,768$31.64M0.0%+14.9%3.058%
11/12/2025 Quantbot Technologies LP6,132$305K0.0%-49.2%0.029%
11/12/2025 Intech Investment Management LLC8,991$447K0.0%-25.5%0.043%
11/12/2025 US Bancorp DE679$34K0.0%-94.9%0.003%
11/10/2025 Cary Street Partners Financial LLC12,730$634K0.0%-15.2%0.061%
11/10/2025 Villanova Investment Management Co LLC34,656$1.73M1.2%+36.8%0.167%
11/10/2025 Ameritas Investment Partners Inc.1,712$85K0.0%-12.5%0.008%
11/10/2025 Hillsdale Investment Management Inc.150,200$7.48M0.2%+5.6%0.722%
11/10/2025 Empirical Financial Services LLC d.b.a. Empirical Wealth Management5,582$278K0.0%+22.6%0.027%
11/10/2025 Jupiter Asset Management Ltd.8,936$445K0.0%-34.1%0.043%
11/7/2025Vanguard Group Inc.1,536,068$76.45M0.0%+0.6%7.388%
11/7/2025 JPMorgan Chase & Co.336,498$16.75M0.0%+52.8%1.618%
11/7/2025 PNC Financial Services Group Inc.5,130$255K0.0%-10.1%0.025%
11/7/2025Shell Asset Management Co.1,689$84K0.0%-60.4%0.008%
11/6/2025 Public Sector Pension Investment Board80,925$4.03M0.0%-4.1%0.389%
11/6/2025 Illinois Municipal Retirement Fund11,100$552K0.0%+1.6%0.053%
11/6/2025 LSV Asset Management291,602$14.51M0.0%-3.5%1.403%
11/6/2025 Rhumbline Advisers59,964$2.98M0.0%-2.1%0.288%
11/6/2025 Compagnie Lombard Odier SCmA500$25K0.0%N/A0.002%
11/4/2025Allianz Asset Management GmbH237,671$11.83M0.0%-29.6%1.143%
11/4/2025 State of Wyoming5,232$260K0.0%-3.5%0.025%
11/4/2025 Principal Financial Group Inc.100,108$4.98M0.0%-11.5%0.481%
11/4/2025Thrivent Financial for Lutherans14,994$746K0.0%-1.3%0.072%
11/3/2025 AlphaQuest LLC19,614$976K0.1%+45.3%0.094%
11/3/2025 Summit Global Investments11,794$587K0.0%N/A0.057%
11/3/2025 SummerHaven Investment Management LLC17,556$874K0.5%-31.4%0.084%
10/30/2025Teacher Retirement System of Texas77,105$3.84M0.0%+112.5%0.371%
10/30/2025 Strs Ohio14,200$707K0.0%-2.1%0.068%
10/30/2025 Covestor Ltd843$42K0.0%-17.7%0.004%
10/30/2025 Applied Fundamental Research LLC174,612$8.69M8.4%-1.3%0.839%
10/30/2025 Universal Beteiligungs und Servicegesellschaft mbH71,948$3.58M0.0%+1.2%0.346%
10/29/2025 Amalgamated Bank6,058$302K0.0%+4.1%0.029%
10/28/2025 Campbell & CO Investment Adviser LLC24,396$1.21M0.1%-30.1%0.118%
10/24/2025 New York State Teachers Retirement System37,800$1.88M0.0%-1.0%0.182%
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10/24/2025 State of Alaska Department of Revenue11,562$575K0.0%-5.8%0.056%
10/23/2025 SG Americas Securities LLC16,987$845K0.0%+52.2%0.082%
10/22/2025 Robeco Institutional Asset Management B.V.117,663$5.86M0.0%-2.8%0.567%
10/22/2025 CWA Asset Management Group LLC20,927$1.04M0.0%N/A0.101%
10/15/2025CWM LLC3,583$178K0.0%+357.0%0.017%
10/15/2025 Inspire Investing LLC29,991$1.49M0.1%+250.0%0.145%
10/14/2025 Yousif Capital Management LLC6,397$318K0.0%-15.9%0.031%
10/14/2025 Prairiewood Capital LLC21,735$1.08M0.4%-1.7%0.105%
10/9/2025 Voya Investment Management LLC25,611$1.28M0.0%+97.7%0.123%
10/7/2025 Assenagon Asset Management S.A.101,339$5.04M0.0%N/A0.489%


HSII Institutional Ownership - Frequently Asked Questions

During the previous two years, 192 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 147 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), American Century Companies Inc. ($508.46K), JPMorgan Chase & Co. ($470.82K), Mak Capital One LLC ($260.85K), Nuveen LLC ($177.96K), Allianz Asset Management GmbH ($168.91K), and Assenagon Asset Management S.A. ($118.09K).

Institutional investors have bought a total of 910,264 shares in the last 24 months. This purchase volume represents approximately $45.24M in transactions.

Of the 49 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: Invenomic Capital Management LP ($168.08K), Dimensional Fund Advisors LP ($109.99K), Allianz Asset Management GmbH ($100.01K), Tudor Investment Corp ET AL ($38.70K), Bridgeway Capital Management LLC ($35.68K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($26.32K), and Susquehanna International Group LLP ($19.77K).

Institutional investors have sold a total of 668,127 shares in the last 24 months. This volume of shares sold represents approximately $33.24M in transactions.


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Institutional ownership data for NASDAQ:HSII is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 1/1/2026. New 13F filings are added each quarter as they're published.
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