Featured 13F filers | Quarter | Value | Holdings | Filed ↓ |
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| Daily Journal Corporation | Q2 2021 | $213,137 | 5 | July 23, 2021 |
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| Lincoln Capital | Q2 2021 | $356,845 | 95 | July 14, 2021 |
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| ACK Asset Management | Q2 2021 | $271,715 | 24 | July 13, 2021 |
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| Akre Capital Management amendment | Q1 2021 | $14,686,334 | 24 | July 09, 2021 |
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| Chou Associates Management amendment | Q1 2021 | $221,347 | 20 | May 21, 2021 |
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| Lone Pine Capital | Q1 2021 | $27,531,132 | 38 | May 18, 2021 |
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| Wedgewood Partners | Q1 2021 | $649,526 | 58 | May 17, 2021 |
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| Granahan Investment Management | Q1 2021 | $4,715,808 | 191 | May 17, 2021 |
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| Par Capital Management | Q1 2021 | $4,314,118 | 47 | May 17, 2021 |
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| Fairholme Capital Management | Q1 2021 | $1,211,528 | 15 | May 17, 2021 |
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| Cannell Capital | Q1 2021 | $446,703 | 69 | May 17, 2021 |
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| Joho Capital | Q1 2021 | $643,967 | 21 | May 17, 2021 |
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| Southeastern Asset Management | Q1 2021 | $4,675,296 | 49 | May 17, 2021 |
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| RBS Partners | Q1 2021 | $149,285 | 2 | May 17, 2021 |
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| Leucadia National | Q1 2021 | $155,359 | 5 | May 17, 2021 |
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| Brookfield Asset Management | Q1 2021 | $20,098,757 | 450 | May 17, 2021 |
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| Paulson & Co. | Q1 2021 | $4,354,436 | 36 | May 17, 2021 |
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| Orbimed Advisors | Q1 2021 | $10,694,926 | 159 | May 17, 2021 |
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| Glenview Capital Management | Q1 2021 | $5,902,367 | 63 | May 17, 2021 |
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| AQR Capital Management | Q1 2021 | $61,135,921 | 2,539 | May 17, 2021 |
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| Raffles Associates | Q1 2021 | $98,254 | 39 | May 17, 2021 |
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| Perceptive Advisors amendment | Q1 2021 | $15,841,176 | 277 | May 17, 2021 |
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| Alkeon Capital Management | Q1 2021 | $67,278,313 | 317 | May 17, 2021 |
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| Baker Brothers Advisors | Q1 2021 | $23,065,323 | 126 | May 17, 2021 |
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| Corsair Capital Management amendment | Q1 2021 | $480,367 | 94 | May 17, 2021 |
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| MHR Fund Management | Q1 2021 | $1,614,255 | 44 | May 17, 2021 |
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| Gates Capital Management | Q1 2021 | $2,747,261 | 23 | May 17, 2021 |
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| Ranger Investment Management | Q1 2021 | $1,816,944 | 113 | May 17, 2021 |
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| Pershing Square Capital Management | Q1 2021 | $10,460,896 | 7 | May 17, 2021 |
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| Bares Capital Management | Q1 2021 | $5,348,409 | 26 | May 17, 2021 |
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| RA Capital Management | Q1 2021 | $6,631,817 | 82 | May 17, 2021 |
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| Portolan Capital Management | Q1 2021 | $1,273,386 | 151 | May 17, 2021 |
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| Miura Global Management | Q1 2021 | $560,034 | 31 | May 17, 2021 |
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| Hound Partners | Q1 2021 | $2,117,675 | 253 | May 17, 2021 |
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| Moab Capital Partners | Q1 2021 | $45,196 | 21 | May 17, 2021 |
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| Whale Rock Capital Management | Q1 2021 | $12,161,110 | 49 | May 17, 2021 |
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| Aquamarine Capital Management | Q1 2021 | $191,414 | 12 | May 17, 2021 |
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| ValueAct Holdings | Q1 2021 | $8,568,315 | 13 | May 17, 2021 |
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| 3G Capital Partners | Q1 2021 | $269,320 | 15 | May 17, 2021 |
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| Teton Capital Partners | Q1 2021 | $1,030,547 | 23 | May 17, 2021 |
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| Kingstown Capital | Q1 2021 | $290,834 | 99 | May 17, 2021 |
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| Altai Capital Management | Q1 2021 | $118,509 | 8 | May 17, 2021 |
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| Centerbridge Partners | Q1 2021 | $1,075,667 | 109 | May 17, 2021 |
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| Long Pond Capital | Q1 2021 | $2,928,179 | 38 | May 17, 2021 |
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| Kylin Management | Q1 2021 | $341,906 | 11 | May 17, 2021 |
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| Duquesne Family Office | Q1 2021 | $3,887,227 | 61 | May 17, 2021 |
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| Land & Buildings Investment Management | Q1 2021 | $470,821 | 20 | May 17, 2021 |
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| Altimeter Capital Management | Q1 2021 | $13,984,377 | 32 | May 17, 2021 |
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| Brave Warrior Advisors | Q1 2021 | $3,061,951 | 35 | May 17, 2021 |
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| Broad Run Investment Management | Q1 2021 | $1,502,800 | 22 | May 17, 2021 |
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| Abdiel Capital Advisors | Q1 2021 | $3,111,528 | 10 | May 17, 2021 |
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| Tensile Capital Management | Q1 2021 | $762,120 | 18 | May 17, 2021 |
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| Dragoneer Investment Group | Q1 2021 | $6,987,770 | 48 | May 17, 2021 |
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| Hawk Ridge Capital Management | Q1 2021 | $1,458,944 | 47 | May 17, 2021 |
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| Punch Card Capital | Q1 2021 | $361,835 | 3 | May 17, 2021 |
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| Giverny Capital | Q1 2021 | $1,495,076 | 53 | May 17, 2021 |
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| TCI Fund Management | Q1 2021 | $34,443,673 | 13 | May 17, 2021 |
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| Scion Asset Management | Q1 2021 | $1,353,930 | 31 | May 17, 2021 |
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| Appaloosa LP | Q1 2021 | $6,963,499 | 62 | May 17, 2021 |
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| Maple Rock Capital Partners | Q1 2021 | $689,203 | 22 | May 17, 2021 |
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| Sands Capital Management amendment | Q1 2021 | $51,747,003 | 77 | May 17, 2021 |
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| SoftBank Group | Q1 2021 | $14,578,952 | 5 | May 17, 2021 |
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| Berkshire Hathaway | Q1 2021 | $270,435,200 | 132 | May 17, 2021 |
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| Greenlight Capital | Q1 2021 | $1,436,637 | 183 | May 17, 2021 |
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| MSD Capital | Q1 2021 | $83,372 | 3 | May 17, 2021 |
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| Robotti & Company | Q1 2021 | $396,318 | 101 | May 17, 2021 |
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| Bridgewater Associates | Q1 2021 | $11,339,600 | 455 | May 14, 2021 |
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| Coatue Management | Q1 2021 | $18,240,301 | 119 | May 14, 2021 |
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| RK Capital | Q1 2021 | $501,926 | 68 | May 14, 2021 |
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| Eventide Asset Management | Q1 2021 | $6,747,971 | 156 | May 14, 2021 |
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| Dalal Street | Q1 2021 | $262,037 | 3 | May 14, 2021 |
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| SouthernSun Asset Management | Q1 2021 | $963,684 | 34 | May 14, 2021 |
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| Soros Fund Management | Q1 2021 | $5,333,818 | 229 | May 14, 2021 |
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| Abrams Capital Management | Q1 2021 | $4,441,461 | 16 | May 14, 2021 |
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| Strategy Capital | Q1 2021 | $735,309 | 8 | May 14, 2021 |
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| Ensemble Capital Management | Q1 2021 | $1,044,913 | 29 | May 14, 2021 |
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| Third Point | Q1 2021 | $14,837,288 | 125 | May 14, 2021 |
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| Fundsmith | Q1 2021 | $31,441,930 | 42 | May 14, 2021 |
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| Turtle Creek Asset Management | Q1 2021 | $2,081,340 | 26 | May 14, 2021 |
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| Sachem Head Capital | Q1 2021 | $3,696,148 | 23 | May 14, 2021 |
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| GoldenTree Asset Management | Q1 2021 | $2,212,184 | 42 | May 14, 2021 |
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| Nantahala Capital Management | Q1 2021 | $3,421,316 | 116 | May 14, 2021 |
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| Avenir Corp | Q1 2021 | $1,156,586 | 67 | May 14, 2021 |
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| Brown Capital Management | Q1 2021 | $13,433,663 | 127 | May 14, 2021 |
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| Fairfax Financial Holdings | Q1 2021 | $2,866,921 | 57 | May 14, 2021 |
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| Icahn Capital | Q1 2021 | $23,848,300 | 23 | May 14, 2021 |
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| Ariel Investments | Q1 2021 | $10,151,758 | 142 | May 14, 2021 |
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| Aravt Global | Q1 2021 | $247,137 | 12 | May 14, 2021 |
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| Baupost Group | Q1 2021 | $12,557,840 | 59 | May 14, 2021 |
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| Altarock Partners | Q1 2021 | $2,630,946 | 7 | May 14, 2021 |
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| GoodHaven Capital Management | Q1 2021 | $133,532 | 25 | May 14, 2021 |
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| Triple Frond Partners | Q1 2021 | $806,308 | 11 | May 13, 2021 |
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| Magellan Asset Management | Q1 2021 | $47,803,250 | 110 | May 13, 2021 |
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| Edgewood Management | Q1 2021 | $50,512,666 | 83 | May 13, 2021 |
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| Weitz Investment Management | Q1 2021 | $2,264,566 | 60 | May 13, 2021 |
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| Renaissance Technologies | Q1 2021 | $80,380,520 | 3,258 | May 13, 2021 |
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| ARK Investment Management | Q1 2021 | $50,344,503 | 290 | May 13, 2021 |
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| ClearBridge Investments | Q1 2021 | $134,104,404 | 803 | May 13, 2021 |
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| Lindsell Train | Q1 2021 | $7,096,527 | 27 | May 12, 2021 |
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| Mittleman Brothers | Q1 2021 | $44,393 | 5 | May 12, 2021 |
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| Gardner Russo & Gardner | Q1 2021 | $10,961,175 | 90 | May 12, 2021 |
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| Polen Capital Management | Q1 2021 | $44,489,600 | 71 | May 12, 2021 |
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| Lafayette Investments | Q1 2021 | $312,464 | 90 | May 12, 2021 |
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| H Partners | Q1 2021 | $1,101,466 | 3 | May 11, 2021 |
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| Donald Smith & Co. | Q1 2021 | $2,572,466 | 65 | May 10, 2021 |
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| AKO Capital | Q1 2021 | $8,089,277 | 27 | May 06, 2021 |
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| Ithaka Group | Q1 2021 | $738,034 | 37 | May 06, 2021 |
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| Baillie Gifford & Company | Q1 2021 | $178,741,764 | 1,100 | May 06, 2021 |
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| Markel Corporation | Q1 2021 | $7,225,221 | 205 | April 30, 2021 |
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| Conestoga Capital Advisors | Q1 2021 | $6,636,532 | 141 | April 23, 2021 |
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| Locust Wood Capital Advisers | Q1 2021 | $1,700,118 | 46 | April 22, 2021 |
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| Salzman & Co. | Q4 2020 | $0 | 1 | February 16, 2021 |
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| International Value Advisers | Q4 2020 | $615,136 | 21 | February 12, 2021 |
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| Swift Run Capital | Q4 2020 | $51,802 | 44 | February 02, 2021 |
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| Blue Harbour Group | Q3 2020 | $0 | 1 | October 14, 2020 |
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| Sageview Capital | Q3 2020 | $0 | 1 | October 07, 2020 |
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