AdvanSix
Vertically integrated maker of nylon-6 resin, chemical intermediates, and ammonium-sulfate fertilizer.
$16.49
After-hours close0.00 (0.00%)
At close$16.49(+0.73%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 94.23%25.40M sharesInsiders 4.39%1.18M sharesOther 1.38%373.6K shares
Shares outstanding 26.96M · Float 24.39M · 90.5% free float
Institutions13F, as of Jun 30, 2026
255 holders · 25.40M shares · 27 new positions · 106 increased · 57 reduced · 40 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 2.44M | 9.05% | +156.5K | Aug 7, 2026 |
| Castleknight Management LP | 1.59M | 5.90% | +958.5K | Aug 14, 2026 |
| Dimensional Fund Advisors LP | 1.41M | 5.22% | +96.3K | Aug 11, 2026 |
| American Century Companies Inc | 1.36M | 5.06% | +236.7K | Aug 12, 2026 |
| Aegis Financial Corp | 1.21M | 4.49% | 0 | Aug 12, 2026 |
| Vanguard Capital Management LLC | 1.15M | 4.27% | +27.9K | Aug 13, 2026 |
| AllianceBernstein L.P. | 863.9K | 3.20% | −7.1K | Aug 14, 2026 |
| AQR Capital Management LLC | 700.1K | 2.60% | +61.5K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 7.10% | 1.92M | 13G | Apr 24, 2026 ↗ |
| CastleKnight Master Fund LP | 6.20% | 1.67M | 13G | May 14, 2026 ↗ |
| Dimensional Fund Advisors LP | 5.20% | 1.41M | 13G | Jul 14, 2026 ↗ |
| American Century Investment Management, Inc.incl. Stowers Institute for Medical Research, American Century Companies, Inc. | 5.10% | 1.36M | 13G | Aug 14, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Erin N. Kane | director, officer: Chief Executive Officer | 623.1K | 2.31% | Mar 3, 2026 |
| Todd D. Karran | director | 91.9K | 0.34% | Jun 24, 2026 |
| Sharon Spurlin | director | 81.0K | 0.30% | Jun 24, 2026 |
| Christopher Gramm | officer: VP and Interim CFO | 73.0K | 0.27% | Mar 3, 2026 |
| Kelly Slieter | officer: SVP, Chief HR Officer | 65.0K | 0.24% | Mar 3, 2026 |
| Achilles B. Kintiroglou | officer: SVP, General Counsel | 50.4K | 0.19% | Mar 3, 2026 |
| Patrick Williams | director | 43.4K | 0.16% | Jul 1, 2026 |
| Siddharth Manjeshwar | officer: SVP & Chief Financial Officer | 40.9K | 0.15% | Mar 4, 2025 |
| Daniel F. Sansone | director | 36.3K | 0.13% | Jun 20, 2025 |
| Donald P. Newman | director | 21.5K | 0.08% | Jun 24, 2026 |
8 people have not refiled in the last 18 months (519.5K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Oct 3, 2025 | Achilles B. Kintiroglouofficer: SVP, General Counsel | Sale | 577 | $20.00 | 30,265 |
| Sep 2, 2025 | Achilles B. Kintiroglouofficer: SVP, General Counsel | Sale | 571 | $21.20 | 30,842 |
CongressHouse and Senate disclosures
Not reported.