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 |
|---|---|---|---|---|---|
| Y-Intercept (Hong Kong) Ltd | 47,302 | $1.15M | 0.02% | −132,787−73.7% | Reduced |
| XTX Topco Ltd | 48,263 | $1.18M | 0.02% | +22,663+88.5% | Added |
| ExodusPoint Capital Management, LP | 50,108 | $1.22M | 0.01% | +20,197+67.5% | Added |
| Fisher Asset Management, LLC | 50,261 | $1.23M | 0.00% | +62+0.1% | Added |
| Nuveen, LLC | 55,102 | $1.34M | 0.00% | +354+0.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 55,872 | $1.36M | 0.00% | −53,839−49.1% | Reduced |
| JPMorgan Chase & Co | 58,964 | $1.42M | 0.00% | −48,918−45.3% | Reduced |
| Trexquant Investment LP | 60,463 | $1.48M | 0.01% | +60,463 | New |
| Fruth Investment Management | 61,676 | $1.50M | 0.37% | −1,385−2.2% | Reduced |
| Invesco Ltd. | 66,727 | $1.63M | 0.00% | +11,542+20.9% | Added |
| SEI Investments Co | 81,461 | $1.99M | 0.00% | +43,600+115.2% | Added |
| First Eagle Investment Management, LLC | 82,460 | $2.01M | 0.00% | −92,564−52.9% | Reduced |
| Mudita Advisors LLP | 82,807 | $2.02M | 0.41% | +82,807 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 91,060 | $2.22M | 0.00% | +1,446+1.6% | Added |
| Waterfront Wealth Inc. | 91,905 | $2.24M | 0.41% | +24,655+36.7% | Added |
| Bank of New York Mellon Corp | 92,943 | $2.27M | 0.00% | −1,153−1.2% | Reduced |
| Balyasny Asset Management LLC | 94,980 | $2.32M | 0.00% | +34,075+55.9% | Added |
| Vanguard Global Advisers, LLC | 96,520 | $2.36M | 0.00% | +96,520 | New |
| Walnut Level Capital LLC | 100,000 | $2.44M | 2.79% | +100,000 | New |
| Empowered Funds, LLC | 100,736 | $2.46M | 0.02% | −43,548−30.2% | Reduced |
| Susquehanna International Group, LLP | 114,968 | $2.81M | 0.00% | +38,621+50.6% | Added |
| Ballast Asset Management, LP | 117,124 | $2.86M | 1.27% | +10,390+9.7% | Added |
| HRT Financial LP | 122,360 | $2.98M | 0.01% | −66,178−35.1% | Reduced |
| Victory Capital Management Inc | 140,755 | $3.43M | 0.00% | +3,135+2.3% | Added |
| Tudor Investment Corp Et Al | 143,078 | $3.49M | 0.02% | +86,220+151.6% | Added |
| Bank of America Corp | 144,314 | $3.52M | 0.00% | −66,493−31.5% | Reduced |
| Lumbard & Kellner, LLC | 145,694 | $3.55M | 1.23% | +566+0.4% | Added |
| Creative Planning | 147,856 | $3.61M | 0.00% | +79,698+116.9% | Added |
| Bridgeway Capital Management, LLC | 162,436 | $3.96M | 0.08% | −43,548−21.1% | Reduced |
| Franklin Resources Inc | 174,324 | $4.25M | 0.00% | +156,854+897.8% | Added |
| Vanguard Fiduciary Trust Co | 176,576 | $4.31M | 0.00% | +176,576 | New |
| Millennium Management LLC | 198,134 | $4.83M | 0.00% | −465,403−70.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 198,296 | $4.84M | 0.02% | −1,665−0.8% | Reduced |
| Point72 Asset Management, L.P. | 206,889 | $5.05M | 0.01% | +46,895+29.3% | Added |
| Acadian Asset Management LLC | 221,399 | $5.40M | 0.01% | +221,399 | New |
| Citadel Advisors LLC | 221,864 | $5.41M | 0.00% | +182,599+465.0% | Added |
| Donald Smith & Co., Inc. | 227,980 | $5.56M | 0.10% | −17,970−7.3% | Reduced |
| CenterBook Partners LP | 228,201 | $5.57M | 0.30% | +138,607+154.7% | Added |
| D. E. Shaw & Co., Inc. | 229,630 | $5.60M | 0.00% | −36,917−13.9% | Reduced |
| Northern Trust Corp | 239,342 | $5.84M | 0.00% | +349+0.1% | Added |
| UBS Group AG | 265,805 | $6.49M | 0.00% | +123,930+87.4% | Added |
| Deprince Race & Zollo Inc | 275,482 | $6.72M | 0.13% | −18,286−6.2% | Reduced |
| Qube Research & Technologies Ltd | 281,575 | $6.87M | 0.01% | −37,158−11.7% | Reduced |
| Vanguard Portfolio Management LLC | 286,349 | $6.99M | 0.00% | +286,349 | New |
| Lloyd Harbor Capital Management, LLC | 290,000 | $7.08M | 3.66% | +215,000+286.7% | Added |
| Invenomic Capital Management LP | 313,549 | $7.65M | 0.35% | −12,678−3.9% | Reduced |
| Russell Investments Group, Ltd. | 329,879 | $8.05M | 0.01% | +36,470+12.4% | Added |
| Morgan Stanley | 402,341 | $9.82M | 0.00% | +140,485+53.6% | Added |
| Jane Street Group, LLC | 405,355 | $9.89M | 0.01% | −100,579−19.9% | Reduced |
| Goldman Sachs Group Inc | 490,382 | $12.0M | 0.00% | +111,772+29.5% | Added |
| Solas Capital Management, LLC | 517,029 | $12.6M | 7.26% | −98,416−16.0% | Reduced |
| LSV Asset Management | 550,679 | $13.4M | 0.03% | −18,800−3.3% | Reduced |
| State Street Corp | 566,641 | $13.8M | 0.00% | −72,412−11.3% | Reduced |
| FMR LLC | 608,289 | $14.8M | 0.00% | +101,823+20.1% | Added |
| Two Sigma Investments, LP | 612,694 | $14.9M | 0.01% | +207,287+51.1% | Added |
| Alliancebernstein L.P. | 870,976 | $15.1M | 0.00% | −72,937−7.7% | Reduced |
| CastleKnight Management LP | 631,781 | $15.4M | 0.72% | +631,781 | New |
| AQR Capital Management LLC | 638,571 | $15.6M | 0.01% | +346,255+118.5% | Added |
| Geode Capital Management, LLC | 652,248 | $15.9M | 0.00% | +15,884+2.5% | Added |
| Charles Schwab Investment Management Inc | 696,362 | $17.0M | 0.00% | −15,272−2.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 728,292 | $17.8M | 0.01% | +319,528+78.2% | Added |
| Vanguard Capital Management LLC | 1,123,457 | $27.4M | 0.00% | +1,123,457 | New |
| American Century Companies Inc | 1,126,637 | $27.5M | 0.01% | +105,523+10.3% | Added |
| Aegis Financial Corp | 1,209,629 | $29.5M | 5.08% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,311,006 | $32.0M | 0.01% | +8,131+0.6% | Added |
| BlackRock, Inc. | 2,283,935 | $55.7M | 0.00% | −1,108,535−32.7% | Reduced |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −203,800−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −192,380−100.0% | Sold out |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −145,626−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −108,408−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −89,179−100.0% | Sold out |
| Murphy, Middleton, Hinkle & Parker, Inc. | 0 | $0 | 0.00% | −40,568−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −51,800−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −37,720−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −31,113−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −27,978−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −21,329−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −20,760−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −19,573−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −16,003−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −15,017−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −14,980−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −12,129−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −11,549−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,514−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −10,951−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −10,803−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −10,265−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −10,154−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −10,038−100.0% | Sold out |
| KLP Kapitalforvaltning AS | 0 | $0 | 0.00% | −5,700−100.0% | Sold out |
| Great West Life Assurance Co | 0 | $0 | 0.00% | −3,002−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −1,829−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −825−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Cedar Mountain Advisors, LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Harbor Asset Planning, Inc. | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |