CIK: 0000029915 | MIDLAND, MI
| Quarter | Form Type | Holdings | Value | Filed | SEC |
|---|---|---|---|---|---|
| 13F-HR | 4 | $228.5M | 2026-08-14 | SEC ↗ | |
| 13F-HR | 6 | $238.8M | 2026-05-13 | SEC ↗ | |
| 13F-HR | 6 | $205.1M | 2026-02-13 | SEC ↗ | |
| 13F-HR | 7 | $261.5M | 2025-11-13 | SEC ↗ | |
| 13F-HR | 4 | $237.6M | 2025-08-13 | SEC ↗ | |
| 13F-HR | 4 | $685.3M | 2025-05-14 | SEC ↗ | |
| 13F-HR | 4 | $571.1M | 2025-02-13 | SEC ↗ | |
| 13F-HR | 4 | $332.1M | 2024-11-08 | SEC ↗ | |
| 13F-HR | 4 | $468.3M | 2024-08-13 | SEC ↗ | |
| 13F-HR | 6 | $638.0M | 2024-05-02 | SEC ↗ | |
| 13F-HR | 6 | $626.7M | 2024-02-09 | SEC ↗ | |
| 13F-HR | 6 | $632.7M | 2023-11-13 | SEC ↗ | |
| 13F-HR | 7 | $767.7M | 2023-08-11 | SEC ↗ | |
| 13F-HR | 6 | $559.8M | 2023-05-15 | SEC ↗ | |
| 13F-HR | 5 | $410.7M | 2023-02-14 | SEC ↗ | |
| 13F-HR | 11 | $5.2M | 2022-11-10 | SEC ↗ | |
| 13F-HR | 7 | $7.0M | 2022-08-15 | SEC ↗ | |
Q1 2022Amended | 13F-HR/A | 11 | $8.5M | 2022-05-12 | SEC ↗ |
| 13F-HR | 12 | $11.8M | 2022-02-11 | SEC ↗ | |
| 13F-HR | 11 | $17.5M | 2021-11-12 | SEC ↗ | |
| 13F-HR | 10 | $23.9M | 2021-08-12 | SEC ↗ | |
| 13F-HR | 6 | $24.7M | 2021-05-14 | SEC ↗ | |
| 13F-HR | 3 | $188.5K | 2021-02-12 | SEC ↗ | |
| 13F-HR | 6 | $253.6K | 2020-11-13 | SEC ↗ | |
| 13F-HR | 7 | $387.4K | 2020-08-14 | SEC ↗ | |
| 13F-HR | 7 | $321.6K | 2020-05-15 | SEC ↗ | |
| 13F-HR | 14 | $454.9K | 2020-02-14 | SEC ↗ | |
| 13F-HR | 17 | $448.3K | 2019-11-08 | SEC ↗ | |
| 13F-HR | 16 | $645.7K | 2019-08-13 | SEC ↗ | |
| 13F-HR | 18 | $764.1K | 2019-05-10 | SEC ↗ | |
| 13F-HR | 18 | $630.9K | 2019-02-11 | SEC ↗ | |
| 13F-HR | 18 | $731.4K | 2018-11-13 | SEC ↗ | |
| 13F-HR | 16 | $277.6K | 2018-08-10 | SEC ↗ | |
| 13F-HR | 16 | $273.5K | 2018-05-04 | SEC ↗ | |
| 13F-HR | 18 | $411.4K | 2018-02-07 | SEC ↗ | |
| 13F-HR | 21 | $412.5K | 2017-11-09 | SEC ↗ | |
| 13F-HR | 30 | $963.7K | 2017-07-31 | SEC ↗ | |
| 13F-HR | 25 | $891.2K | 2017-05-12 | SEC ↗ | |
| 13F-HR | 30 | $969.1K | 2017-02-13 | SEC ↗ | |
| 13F-HR | 30 | $1.0M | 2016-11-14 | SEC ↗ | |
| 13F-HR | 24 | $974.3K | 2016-08-12 | SEC ↗ | |
| 13F-HR | 27 | $1.0M | 2016-05-13 | SEC ↗ | |
| 13F-HR | 24 | $1.0M | 2016-02-16 | SEC ↗ | |
| 13F-HR | 95 | $13.6M | 2015-11-13 | SEC ↗ | |
| 13F-HR | 106 | $17.5M | 2015-08-12 | SEC ↗ | |
| 13F-HR | 96 | $15.5M | 2015-05-13 | SEC ↗ | |
| 13F-HR | 84 | $15.4M | 2015-02-13 | SEC ↗ | |
| 13F-HR | 97 | $14.2M | 2014-11-13 | SEC ↗ | |
| 13F-HR | 93 | $17.7M | 2014-08-11 | SEC ↗ | |
| 13F-HR | 91 | $17.6M | 2014-05-09 | SEC ↗ | |
| 13F-HR | 82 | $10.6M | 2014-02-11 | SEC ↗ | |
| 13F-HR | 76 | $20.2M | 2013-11-06 | SEC ↗ | |
| 13F-HR | 66 | $19.7M | 2013-08-07 | SEC ↗ |