AdvanSix Inc.
ASIX- Exchange
- NYSE
- Industry
- Plastic Materials, Synth Resins & Nonvulcan Elastomers
- SEC CIK
- 0001673985
No open-market purchases or sales by AdvanSix Inc. insiders were filed in the last 90 days; 259 institutions reported holding it in 13F filings for Q2 2026, worth $498.3M in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 13, 2026
- $423.5M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −5 vs. previous quarter
- 259
- 13F valueReported value at the end of Q2 2026
- $498.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $1.52B
- +0.3% year over year
- Net income, FY2025
- $49.3M
- +11.6% year over year
- Free cash flow, FY2025
- $6.42M
- +279.5% year over year
- Revenue, Q3 FY2026
- $430.8M
- +15.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 528.4K
- Shares sold short
- Change
- −68.4K
- −11.5% vs. previous
- Days to cover
- 2.16
- At average daily volume
Superinvestors holding ASIX, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding ASIX at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by AdvanSix Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 3, 2025 (view filing) | Oct 3 | Same day | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −577 | $20.00 | −$11.5K | −1.9%30.3K after | 10b5-1 |
| Sep 3, 2025 (view filing) | Sep 2 | 1 day | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −571 | $21.20 | −$12.1K | −1.8%30.8K after | 10b5-1 |
| Aug 4, 2025 (view filing) | Aug 1 | 3 days | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −571 | $20.18 | −$11.5K | −1.8%31.4K after | 10b5-1 |
| Jul 2, 2025 (view filing) | Jul 2 | Same day | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −571 | $24.85 | −$14.2K | −1.8%32.0K after | 10b5-1 |
| Jun 4, 2025 (view filing) | Jun 2 | 2 days | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −571 | $23.65 | −$13.5K | −1.7%32.6K after | 10b5-1 |
| May 5, 2025 (view filing) | May 1 | 4 days | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −3.24K | $21.34 | −$69.1K | −8.9%33.1K after | 10b5-1 |
| Apr 1, 2025 (view filing) | Apr 1 | Same day | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −4.00K | $22.24 | −$89.0K | −9.9%36.4K after | 10b5-1 |
| Mar 4, 2025 (view filing) | Mar 3 | 1 day | Kintiroglou Achilles B.SVP, General Counsel | SSaleCommon Stock, par value $0.01 | −4.00K | $27.75 | −$111.0K | −9.0%40.4K after | 10b5-1 |
| Feb 4, 2025 (view filing) | Feb 3 | 1 day | Kane Erin NChief Executive Officer | SSaleCommon Stock, par value $0.01 | −5.00K | $30.19 | −$151.0K | −1.0%502.8K after | 2 lots10b5-1 |
| Jan 3, 2025 (view filing) | Jan 2 | 1 day | Kane Erin NChief Executive Officer | SSaleCommon Stock, par value $0.01 | −5.00K | $28.15 | −$140.7K | −1.0%507.8K after | 2 lots10b5-1 |
Top 10 13F holders, Q2 2026
See all 259 holdersThe largest institutional positions in AdvanSix Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,440,480 | $48.5M | 0.00% | +156,545+6.9% | Added |
| CastleKnight Management LP | 1,590,318 | $31.6M | 1.15% | +958,537+151.7% | Added |
| Dimensional Fund Advisors LP | 1,407,349 | $28.0M | 0.01% | +96,343+7.3% | Added |
| American Century Companies Inc | 1,363,346 | $27.1M | 0.01% | +236,709+21.0% | Added |
| Aegis Financial Corp | 1,209,629 | $24.0M | 3.80% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 1,151,355 | $22.9M | 0.00% | +27,898+2.5% | Added |
| Alliancebernstein L.P. | 863,897 | $21.1M | 0.01% | −7,079−0.8% | Reduced |
| AQR Capital Management LLC | 700,057 | $13.9M | 0.00% | +61,486+9.6% | Added |
| Geode Capital Management, LLC | 692,516 | $13.8M | 0.00% | +40,268+6.2% | Added |
| Arrowstreet Capital, Limited Partnership | 664,944 | $13.2M | 0.01% | −63,348−8.7% | Reduced |
Holders of 5% or more of ASIX
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of AdvanSix Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 7.10%1.92M shares | −4.80 ppfrom 11.90% | Apr 30, 20253 filings | Apr 24, 2026 | SEC |
| CastleKnight Master Fund LP | 13G | 6.20%1.67M shares | New | May 14, 20261 filing | May 14, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.20%1.41M shares | +0.40 ppfrom 4.80% | Feb 10, 20234 filings | Jul 14, 2026 | SEC |
| American Century Investment Management Inc | 13G | 5.10%1.36M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |