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Allen Operations is based out of New York. Their last reported 13F filing for Q3 2018 included $277,425,000 in managed 13F securities and a top 10 holdings concentration of 90.29%. Allen Operations's largest holding is CarGurus Inc with shares held of 1,841,312. Allen Operations has met the qualifications for inclusion in our WhaleScore system. Whalewisdom has at least 48 13F filings