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; 256 institutions reported holding it in 13F filings for Q2 2026, worth $498.3M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in AdvanSix Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 266
- −4 vs. Q4 2025
- Shares held
- 23.7M
- +1.51M (+6.8%) vs. Q4 2025
- Total value
- $572.4M
- +$187.7M (+48.8%) vs. Q4 2025
- New holders
- 35
- 80 more added
- Sold out
- 39
- 64 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 256 | $498.3M |
| Q1 2026 | 266 | $572.4M |
| Q4 2025 | 278 | $414.3M |
| Q3 2025 | 277 | $473.9M |
| Q2 2025 | 280 | $583.7M |
| Q1 2025 | 277 | $541.0M |
| Q4 2024 | 282 | $678.7M |
| Q3 2024 | 279 | $708.9M |
| Q2 2024 | 260 | $526.1M |
| Q1 2024 | 272 | $657.5M |
| Q4 2023 | 281 | $690.7M |
| Q3 2023 | 285 | $711.4M |
| Q2 2023 | 291 | $821.8M |
| Q1 2023 | 305 | $893.4M |
| Q4 2022 | 316 | $881.7M |
| Q3 2022 | 306 | $742.9M |
| Q2 2022 | 324 | $782.1M |
| Q1 2022 | 341 | $1.21B |
| Q4 2021 | 350 | $1.09B |
| Q3 2021 | 305 | $927.5M |
| Q2 2021 | 288 | $688.7M |
| Q1 2021 | 274 | $620.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding AdvanSix Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,283,935 | $55.7M | 0.00% | −1,108,535−32.7% | Reduced |
| Dimensional Fund Advisors LP | 1,311,006 | $32.0M | 0.01% | +8,131+0.6% | Added |
| Aegis Financial Corp | 1,209,629 | $29.5M | 5.08% | 00.0% | Unchanged |
| American Century Companies Inc | 1,126,637 | $27.5M | 0.01% | +105,523+10.3% | Added |
| Vanguard Capital Management LLC | 1,123,457 | $27.4M | 0.00% | +1,123,457 | New |
| Arrowstreet Capital, Limited Partnership | 728,292 | $17.8M | 0.01% | +319,528+78.2% | Added |
| Charles Schwab Investment Management Inc | 696,362 | $17.0M | 0.00% | −15,272−2.1% | Reduced |
| Geode Capital Management, LLC | 652,248 | $15.9M | 0.00% | +15,884+2.5% | Added |
| AQR Capital Management LLC | 638,571 | $15.6M | 0.01% | +346,255+118.5% | Added |
| CastleKnight Management LP | 631,781 | $15.4M | 0.72% | +631,781 | New |
| Alliancebernstein L.P. | 870,976 | $15.1M | 0.00% | −72,937−7.7% | Reduced |
| Two Sigma Investments, LP | 612,694 | $14.9M | 0.01% | +207,287+51.1% | Added |
| FMR LLC | 608,289 | $14.8M | 0.00% | +101,823+20.1% | Added |
| State Street Corp | 566,641 | $13.8M | 0.00% | −72,412−11.3% | Reduced |
| LSV Asset Management | 550,679 | $13.4M | 0.03% | −18,800−3.3% | Reduced |
| Solas Capital Management, LLC | 517,029 | $12.6M | 7.26% | −98,416−16.0% | Reduced |
| Goldman Sachs Group Inc | 490,382 | $12.0M | 0.00% | +111,772+29.5% | Added |
| Jane Street Group, LLC | 405,355 | $9.89M | 0.01% | −100,579−19.9% | Reduced |
| Morgan Stanley | 402,341 | $9.82M | 0.00% | +140,485+53.6% | Added |
| Russell Investments Group, Ltd. | 329,879 | $8.05M | 0.01% | +36,470+12.4% | Added |
| Invenomic Capital Management LP | 313,549 | $7.65M | 0.35% | −12,678−3.9% | Reduced |
| Lloyd Harbor Capital Management, LLC | 290,000 | $7.08M | 3.66% | +215,000+286.7% | Added |
| Vanguard Portfolio Management LLC | 286,349 | $6.99M | 0.00% | +286,349 | New |
| Qube Research & Technologies Ltd | 281,575 | $6.87M | 0.01% | −37,158−11.7% | Reduced |
| Deprince Race & Zollo Inc | 275,482 | $6.72M | 0.13% | −18,286−6.2% | Reduced |
| UBS Group AG | 265,805 | $6.49M | 0.00% | +123,930+87.4% | Added |
| Northern Trust Corp | 239,342 | $5.84M | 0.00% | +349+0.1% | Added |
| D. E. Shaw & Co., Inc. | 229,630 | $5.60M | 0.00% | −36,917−13.9% | Reduced |
| CenterBook Partners LP | 228,201 | $5.57M | 0.30% | +138,607+154.7% | Added |
| Donald Smith & Co., Inc. | 227,980 | $5.56M | 0.10% | −17,970−7.3% | Reduced |
| Citadel Advisors LLC | 221,864 | $5.41M | 0.00% | +182,599+465.0% | Added |
| Acadian Asset Management LLC | 221,399 | $5.40M | 0.01% | +221,399 | New |
| Point72 Asset Management, L.P. | 206,889 | $5.05M | 0.01% | +46,895+29.3% | Added |
| Jacobs Levy Equity Management, Inc | 198,296 | $4.84M | 0.02% | −1,665−0.8% | Reduced |
| Millennium Management LLC | 198,134 | $4.83M | 0.00% | −465,403−70.1% | Reduced |
| Vanguard Fiduciary Trust Co | 176,576 | $4.31M | 0.00% | +176,576 | New |
| Franklin Resources Inc | 174,324 | $4.25M | 0.00% | +156,854+897.8% | Added |
| Bridgeway Capital Management, LLC | 162,436 | $3.96M | 0.08% | −43,548−21.1% | Reduced |
| Creative Planning | 147,856 | $3.61M | 0.00% | +79,698+116.9% | Added |
| Lumbard & Kellner, LLC | 145,694 | $3.55M | 1.23% | +566+0.4% | Added |
| Bank of America Corp | 144,314 | $3.52M | 0.00% | −66,493−31.5% | Reduced |
| Tudor Investment Corp Et Al | 143,078 | $3.49M | 0.02% | +86,220+151.6% | Added |
| Victory Capital Management Inc | 140,755 | $3.43M | 0.00% | +3,135+2.3% | Added |
| HRT Financial LP | 122,360 | $2.98M | 0.01% | −66,178−35.1% | Reduced |
| Ballast Asset Management, LP | 117,124 | $2.86M | 1.27% | +10,390+9.7% | Added |
| Susquehanna International Group, LLP | 114,968 | $2.81M | 0.00% | +38,621+50.6% | Added |
| Empowered Funds, LLC | 100,736 | $2.46M | 0.02% | −43,548−30.2% | Reduced |
| Walnut Level Capital LLC | 100,000 | $2.44M | 2.79% | +100,000 | New |
| Vanguard Global Advisers, LLC | 96,520 | $2.36M | 0.00% | +96,520 | New |
| Balyasny Asset Management LLC | 94,980 | $2.32M | 0.00% | +34,075+55.9% | Added |
| Bank of New York Mellon Corp | 92,943 | $2.27M | 0.00% | −1,153−1.2% | Reduced |
| Waterfront Wealth Inc. | 91,905 | $2.24M | 0.41% | +24,655+36.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 91,060 | $2.22M | 0.00% | +1,446+1.6% | Added |
| Mudita Advisors LLP | 82,807 | $2.02M | 0.41% | +82,807 | New |
| First Eagle Investment Management, LLC | 82,460 | $2.01M | 0.00% | −92,564−52.9% | Reduced |
| SEI Investments Co | 81,461 | $1.99M | 0.00% | +43,600+115.2% | Added |
| Invesco Ltd. | 66,727 | $1.63M | 0.00% | +11,542+20.9% | Added |
| Fruth Investment Management | 61,676 | $1.50M | 0.37% | −1,385−2.2% | Reduced |
| Trexquant Investment LP | 60,463 | $1.48M | 0.01% | +60,463 | New |
| JPMorgan Chase & Co | 58,964 | $1.42M | 0.00% | −48,918−45.3% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 55,872 | $1.36M | 0.00% | −53,839−49.1% | Reduced |
| Nuveen, LLC | 55,102 | $1.34M | 0.00% | +354+0.6% | Added |
| Fisher Asset Management, LLC | 50,261 | $1.23M | 0.00% | +62+0.1% | Added |
| ExodusPoint Capital Management, LP | 50,108 | $1.22M | 0.01% | +20,197+67.5% | Added |
| XTX Topco Ltd | 48,263 | $1.18M | 0.02% | +22,663+88.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 47,302 | $1.15M | 0.02% | −132,787−73.7% | Reduced |
| Ieq Capital, LLC | 44,120 | $1.08M | 0.00% | +31,458+248.4% | Added |
| PDT Partners, LLC | 42,168 | $1.03M | 0.06% | +42,168 | New |
| SG Americas Securities, LLC | 42,016 | $1.02M | 0.00% | −25,796−38.0% | Reduced |
| Quantinno Capital Management LP | 39,563 | $965.3K | 0.00% | +9,615+32.1% | Added |
| Martingale Asset Management L P | 39,333 | $959.7K | 0.02% | −800−2.0% | Reduced |
| Engineers Gate Manager LP | 38,392 | $936.8K | 0.01% | +16,717+77.1% | Added |
| Brevan Howard Capital Management LP | 37,813 | $922.6K | 0.01% | +26,169+224.7% | Added |
| Rhumbline Advisers | 36,644 | $894.1K | 0.00% | −1,399−3.7% | Reduced |
| Squarepoint Ops LLC | 36,471 | $889.9K | 0.00% | −17,322−32.2% | Reduced |
| Stifel Financial Corp | 32,166 | $784.9K | 0.00% | +4,052+14.4% | Added |
| SummerHaven Investment Management, LLC | 31,381 | $765.7K | 0.47% | −4,866−13.4% | Reduced |
| Canada Pension Plan Investment Board | 31,200 | $761.3K | 0.00% | +13,400+75.3% | Added |
| Mariner, LLC | 28,631 | $698.6K | 0.00% | +17,566+158.8% | Added |
| HSBC Holdings PLC | 26,088 | $637.9K | 0.00% | −9,031−25.7% | Reduced |
| Ancora Advisors, LLC | 25,248 | $616.1K | 0.01% | +25,248 | New |
| Simplex Trading, LLC | 24,672 | $602.0K | 0.02% | +24,672 | New |
| Jump Financial, LLC | 22,716 | $554.3K | 0.01% | −84,484−78.8% | Reduced |
| Thompson Siegel & Walmsley LLC | 21,849 | $533.0K | 0.01% | −198,493−90.1% | Reduced |
| Deutsche Bank AG | 21,840 | $532.9K | 0.00% | +2,578+13.4% | Added |
| Verity Asset Management, Inc. | 21,720 | $530.0K | 0.22% | +21,720 | New |
| CWM Advisors, LLC | 21,362 | $521.2K | 0.03% | −11,026−34.0% | Reduced |
| Verdence Capital Advisors LLC | 21,081 | $514.4K | 0.03% | +21,081 | New |
| Price T Rowe Associates Inc | 20,333 | $497.0K | 0.00% | +4,512+28.5% | Added |
| Lighthouse Investment Partners, LLC | 20,000 | $488.0K | 0.02% | +20,000 | New |
| Sheets Smith Wealth Management | 17,899 | $436.7K | 0.05% | +21+0.1% | Added |
| Caxton Associates LLP | 17,861 | $435.8K | 0.01% | +17,861 | New |
| Algert Global LLC | 17,729 | $432.6K | 0.01% | +17,729 | New |
| US Bancorp | 17,471 | $426.3K | 0.00% | −86−0.5% | Reduced |
| Mercer Global Advisors Inc | 17,435 | $425.4K | 0.00% | +3,223+22.7% | Added |
| CWM, LLC | 16,838 | $410.8K | 0.00% | +13,378+386.6% | Added |
| MetLife Investment Management | 15,457 | $377.2K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,885 | $363.2K | 0.00% | +5,795+63.8% | Added |
| Infrastructure Capital Advisors, LLC | 14,748 | $359.9K | 0.03% | +1,981+15.5% | Added |
| Bokf, NA | 14,690 | $358.4K | 0.01% | +6,857+87.5% | Added |