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, Q4 2025
Institutional positions in AdvanSix Inc. as of Dec 31, 2025. 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
- 278
- +9 vs. Q3 2025
- Shares held
- 23.9M
- −451.0K (−1.9%) vs. Q3 2025
- Total value
- $414.3M
- −$58.1M (−12.3%) vs. Q3 2025
- New holders
- 56
- 66 more added
- Sold out
- 47
- 80 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding AdvanSix Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 30,760 | $532.1K | 0.00% | +8,198+36.3% | Added |
| Aster Capital Management (DIFC) Ltd | 31,113 | $538.3K | 0.24% | +31,113 | New |
| CWM Advisors, LLC | 32,388 | $560.3K | 0.05% | +5,027+18.4% | Added |
| HSBC Holdings PLC | 35,119 | $611.8K | 0.00% | +35,119 | New |
| SummerHaven Investment Management, LLC | 36,247 | $627.1K | 0.36% | 00.0% | Unchanged |
| Voya Investment Management LLC | 37,720 | $652.6K | 0.00% | −5,340−12.4% | Reduced |
| SEI Investments Co | 37,861 | $655.0K | 0.00% | +37,861 | New |
| Rhumbline Advisers | 38,043 | $658.1K | 0.00% | −43,909−53.6% | Reduced |
| Citadel Advisors LLC | 39,265 | $679.3K | 0.00% | +39,265 | New |
| UBS Asset Management Americas Inc | 39,362 | $681.0K | 0.00% | +331+0.8% | Added |
| Martingale Asset Management L P | 40,133 | $694.3K | 0.02% | −6,686−14.3% | Reduced |
| Barclays PLC | 40,919 | $707.9K | 0.00% | +3,365+9.0% | Added |
| Citigroup Inc | 46,779 | $809.3K | 0.00% | +32,186+220.6% | Added |
| Campbell & CO Investment Adviser LLC | 49,159 | $850.5K | 0.04% | +17,394+54.8% | Added |
| Fisher Asset Management, LLC | 50,199 | $868.5K | 0.00% | −4,634−8.5% | Reduced |
| Swiss National Bank | 51,800 | $896.1K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 53,793 | $930.6K | 0.00% | +53,793 | New |
| Nuveen, LLC | 54,748 | $947.1K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 55,185 | $954.7K | 0.00% | −191,130−77.6% | Reduced |
| Tudor Investment Corp Et Al | 56,858 | $983.6K | 0.01% | +56,858 | New |
| Balyasny Asset Management LLC | 60,905 | $1.05M | 0.00% | +60,905 | New |
| Fruth Investment Management | 63,061 | $1.09M | 0.29% | −300−0.5% | Reduced |
| Murphy, Middleton, Hinkle & Parker, Inc. | 40,568 | $1.11M | 0.76% | +40,568 | New |
| Waterfront Wealth Inc. | 67,250 | $1.14M | 0.22% | +53,261+380.7% | Added |
| SG Americas Securities, LLC | 67,812 | $1.17M | 0.00% | +62,369+1,145.9% | Added |
| Creative Planning | 68,158 | $1.18M | 0.00% | +23,540+52.8% | Added |
| Lloyd Harbor Capital Management, LLC | 75,000 | $1.30M | 0.70% | +75,000 | New |
| Susquehanna International Group, LLP | 76,347 | $1.32M | 0.00% | +60,409+379.0% | Added |
| Teacher Retirement System of Texas | 89,179 | $1.54M | 0.01% | +655+0.7% | Added |
| CenterBook Partners LP | 89,594 | $1.55M | 0.08% | +19,671+28.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 89,614 | $1.55M | 0.00% | −40,406−31.1% | Reduced |
| Bank of New York Mellon Corp | 94,096 | $1.63M | 0.00% | −199,670−68.0% | Reduced |
| Ballast Asset Management, LP | 106,734 | $1.85M | 0.87% | +106,734 | New |
| Jump Financial, LLC | 107,200 | $1.85M | 0.02% | +107,200 | New |
| JPMorgan Chase & Co | 107,882 | $1.87M | 0.00% | +35,766+49.6% | Added |
| Prudential Financial Inc | 108,408 | $1.88M | 0.00% | −106,628−49.6% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 109,711 | $1.90M | 0.00% | +109,711 | New |
| Victory Capital Management Inc | 137,620 | $2.38M | 0.00% | −2,040,852−93.7% | Reduced |
| UBS Group AG | 141,875 | $2.45M | 0.00% | +26,564+23.0% | Added |
| Empowered Funds, LLC | 144,284 | $2.50M | 0.04% | +14,084+10.8% | Added |
| Lumbard & Kellner, LLC | 145,128 | $2.51M | 0.88% | +145,128 | New |
| Hotchkis & Wiley Capital Management LLC | 145,626 | $2.52M | 0.01% | +2,200+1.5% | Added |
| Point72 Asset Management, L.P. | 159,994 | $2.77M | 0.00% | +159,994 | New |
| First Eagle Investment Management, LLC | 175,024 | $3.03M | 0.01% | −47,000−21.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 180,089 | $3.12M | 0.07% | +180,089 | New |
| HRT Financial LP | 188,538 | $3.26M | 0.01% | +188,538 | New |
| Two Sigma Advisers, LP | 192,380 | $3.33M | 0.01% | +99,780+107.8% | Added |
| Jacobs Levy Equity Management, Inc | 199,961 | $3.46M | 0.01% | +199,961 | New |
| Renaissance Technologies LLC | 203,800 | $3.53M | 0.01% | +203,800 | New |
| Bridgeway Capital Management, LLC | 205,984 | $3.56M | 0.07% | +5,784+2.9% | Added |
| Bank of America Corp | 210,807 | $3.65M | 0.00% | +74,152+54.3% | Added |
| Thompson Siegel & Walmsley LLC | 220,342 | $3.81M | 0.06% | +13,344+6.4% | Added |
| Northern Trust Corp | 238,993 | $4.13M | 0.00% | −48,728−16.9% | Reduced |
| Donald Smith & Co., Inc. | 245,950 | $4.25M | 0.08% | +19,390+8.6% | Added |
| Morgan Stanley | 261,856 | $4.53M | 0.00% | −106,536−28.9% | Reduced |
| D. E. Shaw & Co., Inc. | 266,547 | $4.61M | 0.00% | +163,777+159.4% | Added |
| AQR Capital Management LLC | 292,316 | $5.06M | 0.00% | +6,539+2.3% | Added |
| Russell Investments Group, Ltd. | 293,409 | $5.08M | 0.01% | +41,064+16.3% | Added |
| Deprince Race & Zollo Inc | 293,768 | $5.08M | 0.10% | +38,611+15.1% | Added |
| Qube Research & Technologies Ltd | 318,733 | $5.51M | 0.01% | +249,488+360.3% | Added |
| Invenomic Capital Management LP | 326,227 | $5.64M | 0.27% | +13,856+4.4% | Added |
| Goldman Sachs Group Inc | 378,610 | $6.55M | 0.00% | +226,756+149.3% | Added |
| Two Sigma Investments, LP | 405,407 | $7.01M | 0.01% | +212,435+110.1% | Added |
| Arrowstreet Capital, Limited Partnership | 408,764 | $7.07M | 0.00% | +61,301+17.6% | Added |
| Jane Street Group, LLC | 505,934 | $8.75M | 0.01% | +480,310+1,874.5% | Added |
| FMR LLC | 506,466 | $8.76M | 0.00% | +97,579+23.9% | Added |
| LSV Asset Management | 569,479 | $9.85M | 0.02% | −53,227−8.5% | Reduced |
| Solas Capital Management, LLC | 615,445 | $10.6M | 6.04% | +94,304+18.1% | Added |
| Geode Capital Management, LLC | 636,364 | $11.0M | 0.00% | +1,164+0.2% | Added |
| State Street Corp | 639,053 | $11.1M | 0.00% | −408,129−39.0% | Reduced |
| Millennium Management LLC | 663,537 | $11.5M | 0.01% | +663,537 | New |
| Charles Schwab Investment Management Inc | 711,634 | $12.3M | 0.00% | +135,650+23.6% | Added |
| Alliancebernstein L.P. | 943,913 | $16.3M | 0.01% | −4,578−0.5% | Reduced |
| American Century Companies Inc | 1,021,114 | $17.7M | 0.01% | +53,543+5.5% | Added |
| Aegis Financial Corp | 1,209,629 | $20.9M | 4.99% | +1,209,629 | New |
| Dimensional Fund Advisors LP | 1,302,875 | $22.5M | 0.00% | −211,564−14.0% | Reduced |
| Vanguard Group Inc | 1,706,709 | $29.5M | 0.00% | −283,302−14.2% | Reduced |
| BlackRock, Inc. | 3,392,470 | $58.7M | 0.00% | −1,427,269−29.6% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −699,716−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −129,563−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −104,737−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −68,456−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −53,013−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −49,179−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −31,031−100.0% | Sold out |
| Unison Advisors LLC | 0 | $0 | 0.00% | −30,302−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −27,428−100.0% | Sold out |
| Youngs Advisory Group, Inc. | 0 | $0 | 0.00% | −26,859−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −23,141−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −19,366−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −19,274−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −18,853−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −14,780−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −14,733−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −14,607−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −14,132−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −14,027−100.0% | Sold out |
| Louisiana State Employees Retirement System | 0 | $0 | 0.00% | −12,300−100.0% | Sold out |
| CastleKnight Management LP | 0 | $0 | 0.00% | −11,996−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −11,769−100.0% | Sold out |