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Chieftain Capital Management, Inc.

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13F filer, CIK 1491126, New York, NY

Chieftain Capital Management, Inc. reported $0 across 1 holding for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000919574-26-005171

Changes against Q1 2026 are not shown: its report omitted holdings under a confidential treatment request (1 position on file), so every position would read as new.

The filing omits holdings under a confidential treatment request (H8). A later amendment may add them.

Period
2026-06-30
Reported value
$0
Holdings
1
Top 10 weight
New
Sold out

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0000919574-26-005171, largest first. % of portfolio is the value over $0, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
00Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 0 shares; 2024Q4: 0 shares; 2025Q1: 0 shares; 2025Q2: 0 shares; 2025Q3: 0 shares; 2025Q4: 0 shares; 2026Q1: 0 shares; 2026Q2: 0 shares 0$0Value filed as zero, left out of ratios.Amount filed as zero, left out of ratios.The filing omitted confidential holdings, a later amendment may add them.

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000919574-26-005171 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0000919574-26-005171 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0000919574-26-003109 Quarter ended 2026-03-312026-05-14acceptance time not in the bulk data set
13F-HR 0000919574-26-000930 Quarter ended 2025-12-312026-02-13acceptance time not in the bulk data set
13F-HR 0000919574-25-006780 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0000919574-25-004644 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0000919574-25-003036 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0000919574-25-001154 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0000919574-24-006432 Quarter ended 2024-09-302024-11-13acceptance time not in the bulk data set
13F-HR 0000919574-24-004524 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-HR 0000919574-24-003007 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0000919574-24-001193 Quarter ended 2023-12-312024-02-14acceptance time not in the bulk data set
13F-HR 0000919574-23-006246 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0000919574-23-004556 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0000919574-23-003199 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0000919574-23-001076 Quarter ended 2022-12-312023-02-13acceptance time not in the bulk data set
13F-HR 0000919574-22-006498 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0000919574-22-004756 Quarter ended 2022-06-302022-08-12acceptance time not in the bulk data set
13F-HR 0000919574-22-003408 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0000919574-22-001353 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0000919574-21-007009 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0000919574-21-005294 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-HR 0000919574-21-003640 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-HR 0000919574-21-001646 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0000919574-20-007062 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-HR 0000919574-20-005295 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0000919574-20-003543 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-HR 0000919574-20-001478 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-HR 0000919574-19-003705 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-HR 0000919574-19-001780 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-HR 0001172661-18-002084 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-HR 0001172661-18-001561 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0001172661-18-001123 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-HR 0001172661-18-000553 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001172661-17-002009 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-HR 0001172661-17-001601 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-HR 0001172661-17-001215 Quarter ended 2017-03-312017-05-15acceptance time not in the bulk data set
13F-HR 0001172661-17-000741 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set
13F-HR 0001172661-16-004307 Quarter ended 2016-09-302016-11-14acceptance time not in the bulk data set
13F-HR 0001172661-16-003875 Quarter ended 2016-06-302016-08-15acceptance time not in the bulk data set
13F-HR 0001172661-16-003417 Quarter ended 2016-03-312016-05-16acceptance time not in the bulk data set
13F-HR 0001172661-16-002902 Quarter ended 2015-12-312016-02-16acceptance time not in the bulk data set
13F-HR 0001172661-15-002075 Quarter ended 2015-09-302015-11-16acceptance time not in the bulk data set
13F-HR 0001172661-15-001636 Quarter ended 2015-06-302015-08-14acceptance time not in the bulk data set
13F-HR 0001172661-15-001198 Quarter ended 2015-03-312015-05-15acceptance time not in the bulk data set
13F-HR 0001172661-15-000711 Quarter ended 2014-12-312015-02-17acceptance time not in the bulk data set
13F-HR 0001172661-14-001839 Quarter ended 2014-09-302014-11-14acceptance time not in the bulk data set
13F-HR 0001172661-14-001479 Quarter ended 2014-06-302014-08-14acceptance time not in the bulk data set
13F-HR 0001172661-14-001104 Quarter ended 2014-03-312014-05-15acceptance time not in the bulk data set
13F-HR 0001172661-14-000718 Quarter ended 2013-12-312014-02-14acceptance time not in the bulk data set
13F-HR 0001172661-13-001531 Quarter ended 2013-09-302013-11-14acceptance time not in the bulk data set
13F-HR 0001172661-13-001208 Quarter ended 2013-06-302013-08-14acceptance time not in the bulk data set