CIK: 0001728354
Total reported value
$6.7B
Reporting period: 2026-03-31 · Number of holdings: 2
Briar Hall Management LLC disclosed 2 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $6.7B and a quarterly turnover rate of 5.5%.
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Briar Hall Management LLC's disclosed holdings carry a Herfindahl concentration index of 1.000 — mathematically equivalent to about 1 equally-sized positions, well below its 2 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Unchanged ITW
-0.1% $357.6M
Showing top 1 holdings (of 2 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ITW | Illinois Tool Works | Stock-Industrials | 100.00% | — | -0.06% |
Performance for Q3 2026
+7.6%
Performance Last 4 Quarters
+10.6%
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 2 | $6.7B | 5 | |
| 2025-12-31 | 2 | $6.4B | 6 | |
| 2025-09-30 | 2 | $6.7B | 5 | |
| 2025-06-30 | 2 | $6.4B | 0 | |
| 2025-03-31 | 2 | $6.4B | 100 | |
| 2024-12-31 | 2 | $6.6B | 0 | |
| 2024-09-30 | 2 | $6.8B | 0 | |
| 2024-06-30 | 2 | $6.2B | 0 | |
| 2024-03-31 | 2 | $7.0B | 0 | |
| 2023-12-31 | 2 | $6.9B | 0 | |
| 2023-09-30 | 2 | $6.0B | 0 | |
| 2023-06-30 | 2 | $6.5B | 0 | |
| 2023-03-31 | 2 | $6.4B | 0 | |
| 2022-12-31 | 2 | $5.8B | 0 | |
| 2022-09-30 | 2 | $4.8B | 0 | |
| 2022-06-30 | 2 | $4.7B | 0 | |
| 2022-03-31 | 2 | $5.4B | 0 | |
| 2021-12-31 | 2 | $6.4B | 0 | |
| 2021-09-30 | 2 | $5.3B | 0 | |
| 2021-06-30 | 2 | $5.8B | 100 | |
| 2021-03-31 | 2 | $5.7B | 8 | |
| 2020-12-31 | 2 | $5.3B | 5 | |
| 2020-09-30 | 2 | $5.0B | 10 | |
| 2020-06-30 | 2 | $4.5B | 21 | |
| 2020-03-31 | 2 | $3.7B | 23 | |
| 2019-12-31 | 2 | $4.6B | 14 | |
| 2019-09-30 | 2 | $4.0B | 4 | |
| 2019-06-30 | 2 | $3.9B | 5 | |
| 2019-03-31 | 2 | $3.7B | 12 | |
| 2018-12-31 | 2 | $3.3B | 11 | |
| 2018-09-30 | 2 | $3.7B | 2 | |
| 2018-06-30 | 2 | $3.6B | 12 | |
| 2018-03-31 | 2 | $4.0B | 7 | |
| 2017-12-31 | 2 | $4.3B | — |
Briar Hall Management LLC's most significant position changes for 2026-03-31: Trim: Illinois Tool Works (ITW) — shares -0.06%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ITW | Illinois Tool Works | — | -0.06% | Trim |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-13 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-13 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-12 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-12 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-13 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-12 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-09 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-07 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-05 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-08 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-01 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-11 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | Amendment | View on EDGAR |
| 2022-12-31 | 2023-02-10 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-07 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-03 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-02 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-01-31 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-10-21 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-05 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-05 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-01-25 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-29 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-30 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-20 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-29 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-04 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-19 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-26 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-11 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-31 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-01 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-14 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-14 | 13F-HR | View on EDGAR |
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