CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
Holdings in ASPN
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $222,024 | 78,454 | Shares | Sole | 2026-02-17 |
| 2025-09-30 | $422,263 | 60,670 | Shares | Sole | 2025-11-14 |
| 2025-06-30 | $334,592 | 56,519 | Shares | Sole | 2025-08-14 |
| 2025-03-31 | $390,077 | 61,045 | Shares | Sole | 2025-05-15 |
| 2024-12-31 | $725,214 | 61,045 | Shares | Sole | 2025-03-18 |
| 2024-09-30 | $1,683,025 | 60,781 | Shares | Sole | 2025-04-04 |
| 2024-06-30 | $1,422,080 | 59,626 | Shares | Sole | 2025-04-08 |
| 2024-03-31 | $1,056,686 | 60,039 | Shares | Sole | 2024-05-16 |
| 2023-12-31 | $872,712 | 55,305 | Shares | Sole | 2024-02-13 |
| 2023-09-30 | $496,271 | 57,706 | Shares | Sole | 2023-11-14 |
| 2023-06-30 | $571,804 | 72,472 | Shares | Sole | 2023-08-21 |
| 2023-03-31 | $529,002 | 71,007 | Shares | Sole | 2023-05-09 |
| 2022-12-31 | $752,543 | 63,829 | Shares | Sole | 2023-02-14 |
| 2022-09-30 | $369,537 | 40,080 | Shares | Sole | 2022-11-21 |
| 2022-06-30 | $367,091 | 37,155 | Shares | Sole | 2022-08-15 |
| 2022-03-31 | $1,099,291 | 31,882 | Shares | Sole | 2022-05-16 |
| 2021-12-31 | $1,708,693 | 34,318 | Shares | Sole | 2022-02-15 |
| 2021-09-30 | $550,003 | 11,954 | Shares | Sole | 2021-11-15 |
| 2021-06-30 | $890,778 | 29,772 | Shares | Sole | 2021-08-16 |
| 2021-03-31 | $633,550 | 31,148 | Shares | Sole | 2021-05-18 |
| 2020-12-31 | $514,519 | 30,828 | Shares | Sole | 2021-02-16 |
| 2020-09-30 | $337,566 | 30,828 | Shares | Sole | 2020-11-17 |
| 2020-06-30 | $202,848 | 30,828 | Shares | Sole | 2020-08-17 |