AdvanSix Inc. - ASIX
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| May 14, 2026 | SCHEDULE 13G | CastleKnight Master Fund LP | 6.2% | 1,666,382 | View |
| May 14, 2026 | SCHEDULE 13G | CastleKnight Fund GP LLC | 6.2% | 1,666,382 | View |
| May 14, 2026 | SCHEDULE 13G | CastleKnight Management LP | 6.2% | 1,666,382 | View |
| May 14, 2026 | SCHEDULE 13G | CastleKnight Management GP LLC | 6.2% | 1,666,382 | View |
| May 14, 2026 | SCHEDULE 13G | Weitman Capital LLC | 6.2% | 1,666,382 | View |
| May 14, 2026 | SCHEDULE 13G | Aaron Weitman | 6.2% | 1,666,382 | View |
| Apr 24, 2026 | SCHEDULE 13G/A | BlackRock, Inc. | 7.1% | 1,919,001 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | The Vanguard Group | 0.0% | 0 | View |
| Feb 11, 2026 | SCHEDULE 13G/A | Victory Capital Management, Inc. | — | 137,620 | View |
| Jan 30, 2026 | SCHEDULE 13G/A | The Vanguard Group | 6.35% | 1,706,709 | View |
| Jan 21, 2026 | SCHEDULE 13G/A | Dimensional Fund Advisors LP | 4.8% | 1,302,875 | View |
| Jan 08, 2026 | SCHEDULE 13G/A | BlackRock, Inc. | 11.9% | 3,199,954 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.