{"company":{"id":95429,"name":"WorldQuant","domain":"worldquant.com","url":"https://alion.io/company/world-quant"},"answer":"As of Nov 14, 2026, Alion lists 10 companies most like WorldQuant: Susquehanna International Group, DRW, Millennium Management, Tower Research Capital, Jump Trading, Hudson River Trading, DV Trading, IMC Trading, Jain Global and Optiver.","highlights":["WorldQuant itself has 73 open roles on Alion.","Of them, Susquehanna International Group is hiring the most, with 217 open roles.","Open roles at Jump Trading fell the most: from 95 on Oct 12, 2026 to 82 now."],"as_of":"2026-11-14","cite":"Alion, \"WorldQuant competitors and alternatives: 10 similar companies compared on hiring and funding\", as of Nov 14, 2026. https://alion.io/company/world-quant/competitors","indexable":true,"target":{"name":"WorldQuant","url":"https://alion.io/company/world-quant","domain":"worldquant.com","open_roles":73,"open_roles_change":{"since":"2026-10-12","from":84,"to":73,"pct":-13},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Old Greenwich","country":"US"},"technologies":["Python","C++","Linux"],"hiring_countries":["SG","VN","HU"],"similarity":null},"competitors":[{"name":"Susquehanna International Group","url":"https://alion.io/company/sig","domain":"sig.com","open_roles":217,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Bala Cynwyd","country":"US"},"technologies":["Machine Learning","Python","C++"],"hiring_countries":["US","IE","HK"],"similarity":{"score":20.75,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":true}},{"name":"DRW","url":"https://alion.io/company/drw","domain":"drw.com","open_roles":145,"open_roles_change":{"since":"2026-10-12","from":161,"to":145,"pct":-10},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Chicago","country":"US"},"technologies":["Python","Linux","C++"],"hiring_countries":["US","GB","SG"],"similarity":{"score":20.75,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":true}},{"name":"Millennium Management","url":"https://alion.io/company/millennium-management","domain":"mlp.com","open_roles":179,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["Python","SQL","Linux"],"hiring_countries":["US","GB","IN"],"similarity":{"score":20.35,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","PostgreSQL"],"same_hq_country":true}},{"name":"Tower Research Capital","url":"https://alion.io/company/tower-research-capital","domain":"tower-research.com","open_roles":90,"open_roles_change":{"since":"2026-10-12","from":92,"to":90,"pct":-2},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"501-1000","headquarters":{"city":"New York","country":"US"},"technologies":["Python","Machine Learning","C++"],"hiring_countries":["US","SG","HK"],"similarity":{"score":20,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":true}},{"name":"Jump Trading","url":"https://alion.io/company/jump-trading","domain":"jumptrading.com","open_roles":82,"open_roles_change":{"since":"2026-10-12","from":95,"to":82,"pct":-14},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Chicago","country":"US"},"technologies":["Python","C++","Linux"],"hiring_countries":["US","GB","HK"],"similarity":{"score":19.95,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","SQL","C++","MySQL","GCP"],"same_hq_country":true}},{"name":"Hudson River Trading","url":"https://alion.io/company/hudson-river-trading","domain":"hudsonrivertrading.com","open_roles":74,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"New York","country":"US"},"technologies":["Python","Linux","C++"],"hiring_countries":["US","GB","SG"],"similarity":{"score":19.55,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","SQL","C++","GCP","AI Agents"],"same_hq_country":true}},{"name":"DV Trading","url":"https://alion.io/company/dv-trading","domain":"dvtrading.co","open_roles":71,"open_roles_change":{"since":"2026-10-12","from":73,"to":71,"pct":-3},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"Chicago","country":"US"},"technologies":["Python","Linux","C++"],"hiring_countries":["US","GB","HK"],"similarity":{"score":18.85,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":true}},{"name":"IMC Trading","url":"https://alion.io/company/imc-trading","domain":"imc.com","open_roles":136,"open_roles_change":{"since":"2026-10-12","from":149,"to":136,"pct":-9},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Amsterdam","country":"NL"},"technologies":["Machine Learning","Python","C++"],"hiring_countries":["US","AU","NL"],"similarity":{"score":18.75,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":false}},{"name":"Jain Global","url":"https://alion.io/company/jain-global","domain":"jainglobal.com","open_roles":28,"open_roles_change":null,"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"201-500","headquarters":{"city":"New York","country":"US"},"technologies":["Python","CI/CD","AWS"],"hiring_countries":["US","GB","SG"],"similarity":{"score":18.45,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","MySQL"],"same_hq_country":true}},{"name":"Optiver","url":"https://alion.io/company/optiver","domain":"optiver.com","open_roles":139,"open_roles_change":{"since":"2026-10-12","from":141,"to":139,"pct":-1},"funding":{"total_raised_usd":null,"last_round":null,"last_round_usd":null,"last_round_date":null,"lead_investors":[]},"size_band":"1001-5000","headquarters":{"city":"Amsterdam","country":"NL"},"technologies":["Python","C++","Machine Learning"],"hiring_countries":["US","NL","AU"],"similarity":{"score":17.95,"shared_segments":["Hedge Funds & Alternative Investments"],"shared_technologies":["Python","Java","SQL","C++","PostgreSQL"],"same_hq_country":false}}],"method":"Ranked by Alion's similar-companies engine (the MCP tool similar_companies): shared industry segments and the overlap of the two segment sets, technologies named in both companies' job postings, the same headquarters country, a size band near it. Open roles are the visible postings on Alion today; their change is shown only for boards that state posting dates.","html_url":"https://alion.io/company/world-quant/competitors","json_url":"https://alion.io/company/world-quant/competitors.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-11-14T03:58:57Z","generated_at":"2026-11-15T00:46:43Z"}}