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Institutional Holders of BRK.B
Holder | Amount | Position Size
($ in 1000's) | As of |
Jane Street Group LLC | | $159,106 | 12/31/2023 | Call | 903,200 | $322,135 | 12/31/2023 | Put | 457,100 | $163,029 | 12/31/2023 | Intelligent Financial Strategies | | $55,781 | 12/31/2023 | COM Class B | 156,397 | $55,781 | 12/31/2023 | Simplex Trading LLC | | $26,371 | 12/31/2023 | Call | 576,800 | $145,424 | 12/31/2023 | Put | 333,800 | $119,053 | 12/31/2023 | M. Kraus & Co | 47,467 | $19,961 | 03/31/2024 | COM | 47,467 | $19,961 | 03/31/2024 | JPMorgan Chase & Co. | | $9,059 | 12/31/2023 | Call | 136,900 | $48,827 | 12/31/2023 | Put | 111,500 | $39,768 | 12/31/2023 | Lummis Asset Management LP | | $5,303 | 12/31/2023 | COM CLASS B | 14,869 | $5,303 | 12/31/2023 | Penobscot Investment Management Company Inc. | | $4,702 | 12/31/2023 | CL B NEW | 13,183 | $4,702 | 12/31/2023 | IMC Chicago LLC | | $4,625 | 03/31/2024 | Call | 33,500 | $14,087 | 03/31/2024 | Put | 22,500 | $9,462 | 03/31/2024 | Barton Investment Management | 10,740 | $3,831 | 12/31/2023 | COM | 10,740 | $3,831 | 12/31/2023 | SG Americas Securities LLC | | $2,051 | 12/31/2023 | Call | 62,300 | $3,092 | 12/31/2023 | Put | 204,100 | $1,041 | 12/31/2023 | Kanawha Capital Management LLC | 3 | $1,628 | 12/31/2023 | COM | 3 | $1,628 | 12/31/2023 | Sierra Capital LLC | | $1,085 | 12/31/2023 | Common Stock | 200 | $1,085 | 12/31/2023 | Cibc World Markets Corp | | $892 | 12/31/2023 | Call | 2,500 | $892 | 12/31/2023 | Vista Private Wealth Partners. LLC | | $861 | 12/31/2023 | CL B NEW | 2,366 | $861 | 12/31/2023 | Kelly Lawrence W & Associates Inc. CA | 1,522 | $543 | 12/31/2023 | COM | 1,522 | $543 | 12/31/2023 | Vaughan David Investments LLC IL | | $543 | 12/31/2023 | brka | 100 | $543 | 12/31/2023 | Lountzis Asset Management LLC | 100 | $543 | 12/31/2023 | COM | 100 | $543 | 12/31/2023 | Financial Avengers Inc. | | $543 | 12/31/2023 | COMMON STOCK | 1 | $543 | 12/31/2023 | Reynders McVeigh Capital Management LLC | | $214 | 12/31/2023 | CL B NEW | 600 | $214 | 12/31/2023 | Huntington National Bank | | $3 | 12/31/2023 | COMMON STOCK | 1 | $3 | 12/31/2023 | Proequities Inc. | | $0 | 12/31/2023 | Put | 0 | $0 | 12/31/2023 | Call | 0 | $0 | 12/31/2023 | Maven Securities LTD | | $-357 | 12/31/2023 | Put | 1,000 | $357 | 12/31/2023 | Oversea Chinese Banking CORP Ltd | | $-358 | 12/31/2023 | Put | 1,000 | $358 | 12/31/2023 | Gladius Capital Management LP | | $-6,634 | 12/31/2023 | Put | 26,400 | $9,416 | 12/31/2023 | Call | 7,800 | $2,782 | 12/31/2023 | Twin Tree Management LP | | $-18,083 | 12/31/2023 | Put | 142,200 | $50,717 | 12/31/2023 | Call | 91,500 | $32,634 | 12/31/2023 |
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