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 | $414.9M |
| Q3 2025 | 277 | $475.3M |
| Q2 2025 | 280 | $584.1M |
| Q1 2025 | 277 | $541.0M |
| Q4 2024 | 283 | $680.1M |
| Q3 2024 | 279 | $712.1M |
| Q2 2024 | 260 | $528.2M |
| Q1 2024 | 272 | $680.9M |
| Q4 2023 | 281 | $713.5M |
| Q3 2023 | 285 | $711.4M |
| Q2 2023 | 291 | $821.8M |
| Q1 2023 | 305 | $915.9M |
| Q4 2022 | 316 | $881.9M |
| Q3 2022 | 306 | $742.9M |
| Q2 2022 | 324 | $782.2M |
| Q1 2022 | 341 | $1.21B |
| Q4 2021 | 350 | $1.09B |
| Q3 2021 | 305 | $927.5M |
| Q2 2021 | 288 | $688.8M |
| Q1 2021 | 274 | $634.0M |
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,392,470 | $58.7M | 0.00% | −1,427,269−29.6% | Reduced |
| Vanguard Group Inc | 1,706,709 | $29.5M | 0.00% | −283,302−14.2% | Reduced |
| Dimensional Fund Advisors LP | 1,302,875 | $22.5M | 0.00% | −211,564−14.0% | Reduced |
| Aegis Financial Corp | 1,209,629 | $20.9M | 4.99% | +1,209,629 | New |
| American Century Companies Inc | 1,021,114 | $17.7M | 0.01% | +53,543+5.5% | Added |
| Alliancebernstein L.P. | 943,913 | $16.3M | 0.01% | −4,578−0.5% | Reduced |
| Charles Schwab Investment Management Inc | 711,634 | $12.3M | 0.00% | +135,650+23.6% | Added |
| Millennium Management LLC | 663,537 | $11.5M | 0.01% | +663,537 | New |
| State Street Corp | 639,053 | $11.1M | 0.00% | −408,129−39.0% | Reduced |
| Geode Capital Management, LLC | 636,364 | $11.0M | 0.00% | +1,164+0.2% | Added |
| Solas Capital Management, LLC | 615,445 | $10.6M | 6.04% | +94,304+18.1% | Added |
| LSV Asset Management | 569,479 | $9.85M | 0.02% | −53,227−8.5% | Reduced |
| FMR LLC | 506,466 | $8.76M | 0.00% | +97,579+23.9% | Added |
| Jane Street Group, LLC | 505,934 | $8.75M | 0.01% | +480,310+1,874.5% | Added |
| Arrowstreet Capital, Limited Partnership | 408,764 | $7.07M | 0.00% | +61,301+17.6% | Added |
| Two Sigma Investments, LP | 405,407 | $7.01M | 0.01% | +212,435+110.1% | Added |
| Goldman Sachs Group Inc | 378,610 | $6.55M | 0.00% | +226,756+149.3% | Added |
| Invenomic Capital Management LP | 326,227 | $5.64M | 0.27% | +13,856+4.4% | Added |
| Qube Research & Technologies Ltd | 318,733 | $5.51M | 0.01% | +249,488+360.3% | Added |
| Deprince Race & Zollo Inc | 293,768 | $5.08M | 0.10% | +38,611+15.1% | Added |
| Russell Investments Group, Ltd. | 293,409 | $5.08M | 0.01% | +41,064+16.3% | Added |
| AQR Capital Management LLC | 292,316 | $5.06M | 0.00% | +6,539+2.3% | Added |
| D. E. Shaw & Co., Inc. | 266,547 | $4.61M | 0.00% | +163,777+159.4% | Added |
| Morgan Stanley | 261,856 | $4.53M | 0.00% | −106,536−28.9% | Reduced |
| Donald Smith & Co., Inc. | 245,950 | $4.25M | 0.08% | +19,390+8.6% | Added |
| Northern Trust Corp | 238,993 | $4.13M | 0.00% | −48,728−16.9% | Reduced |
| Thompson Siegel & Walmsley LLC | 220,342 | $3.81M | 0.06% | +13,344+6.4% | Added |
| Bank of America Corp | 210,807 | $3.65M | 0.00% | +74,152+54.3% | Added |
| Bridgeway Capital Management, LLC | 205,984 | $3.56M | 0.07% | +5,784+2.9% | Added |
| Renaissance Technologies LLC | 203,800 | $3.53M | 0.01% | +203,800 | New |
| Jacobs Levy Equity Management, Inc | 199,961 | $3.46M | 0.01% | +199,961 | New |
| Two Sigma Advisers, LP | 192,380 | $3.33M | 0.01% | +99,780+107.8% | Added |
| HRT Financial LP | 188,538 | $3.26M | 0.01% | +188,538 | New |
| Y-Intercept (Hong Kong) Ltd | 180,089 | $3.12M | 0.07% | +180,089 | New |
| First Eagle Investment Management, LLC | 175,024 | $3.03M | 0.01% | −47,000−21.2% | Reduced |
| Point72 Asset Management, L.P. | 159,994 | $2.77M | 0.00% | +159,994 | New |
| Hotchkis & Wiley Capital Management LLC | 145,626 | $2.52M | 0.01% | +2,200+1.5% | Added |
| Lumbard & Kellner, LLC | 145,128 | $2.51M | 0.88% | +145,128 | New |
| Empowered Funds, LLC | 144,284 | $2.50M | 0.04% | +14,084+10.8% | Added |
| UBS Group AG | 141,875 | $2.45M | 0.00% | +26,564+23.0% | Added |
| Victory Capital Management Inc | 137,620 | $2.38M | 0.00% | −2,040,852−93.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 109,711 | $1.90M | 0.00% | +109,711 | New |
| Prudential Financial Inc | 108,408 | $1.88M | 0.00% | −106,628−49.6% | Reduced |
| JPMorgan Chase & Co | 107,882 | $1.87M | 0.00% | +35,766+49.6% | Added |
| Jump Financial, LLC | 107,200 | $1.85M | 0.02% | +107,200 | New |
| Ballast Asset Management, LP | 106,734 | $1.85M | 0.87% | +106,734 | New |
| Bank of New York Mellon Corp | 94,096 | $1.63M | 0.00% | −199,670−68.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 89,614 | $1.55M | 0.00% | −40,406−31.1% | Reduced |
| CenterBook Partners LP | 89,594 | $1.55M | 0.08% | +19,671+28.1% | Added |
| Teacher Retirement System of Texas | 89,179 | $1.54M | 0.01% | +655+0.7% | Added |
| Susquehanna International Group, LLP | 76,347 | $1.32M | 0.00% | +60,409+379.0% | Added |
| Lloyd Harbor Capital Management, LLC | 75,000 | $1.30M | 0.70% | +75,000 | New |
| Creative Planning | 68,158 | $1.18M | 0.00% | +23,540+52.8% | Added |
| SG Americas Securities, LLC | 67,812 | $1.17M | 0.00% | +62,369+1,145.9% | Added |
| Waterfront Wealth Inc. | 67,250 | $1.14M | 0.22% | +53,261+380.7% | Added |
| Murphy, Middleton, Hinkle & Parker, Inc. | 40,568 | $1.11M | 0.54% | +40,568 | New |
| Fruth Investment Management | 63,061 | $1.09M | 0.29% | −300−0.5% | Reduced |
| Balyasny Asset Management LLC | 60,905 | $1.05M | 0.00% | +60,905 | New |
| Tudor Investment Corp Et Al | 56,858 | $983.6K | 0.01% | +56,858 | New |
| Invesco Ltd. | 55,185 | $954.7K | 0.00% | −191,130−77.6% | Reduced |
| Nuveen, LLC | 54,748 | $947.1K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 53,793 | $930.6K | 0.00% | +53,793 | New |
| Swiss National Bank | 51,800 | $896.1K | 0.00% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 50,199 | $868.5K | 0.00% | −4,634−8.5% | Reduced |
| Campbell & CO Investment Adviser LLC | 49,159 | $850.5K | 0.04% | +17,394+54.8% | Added |
| Citigroup Inc | 46,779 | $809.3K | 0.00% | +32,186+220.6% | Added |
| Barclays PLC | 40,919 | $707.9K | 0.00% | +3,365+9.0% | Added |
| Martingale Asset Management L P | 40,133 | $694.3K | 0.02% | −6,686−14.3% | Reduced |
| UBS Asset Management Americas Inc | 39,362 | $681.0K | 0.00% | +331+0.8% | Added |
| Citadel Advisors LLC | 39,265 | $679.3K | 0.00% | +39,265 | New |
| Rhumbline Advisers | 38,043 | $658.1K | 0.00% | −43,909−53.6% | Reduced |
| SEI Investments Co | 37,861 | $655.0K | 0.00% | +37,861 | New |
| Voya Investment Management LLC | 37,720 | $652.6K | 0.00% | −5,340−12.4% | Reduced |
| SummerHaven Investment Management, LLC | 36,247 | $627.1K | 0.36% | 00.0% | Unchanged |
| HSBC Holdings PLC | 35,119 | $611.8K | 0.00% | +35,119 | New |
| CWM Advisors, LLC | 32,388 | $560.3K | 0.05% | +5,027+18.4% | Added |
| Aster Capital Management (DIFC) Ltd | 31,113 | $538.3K | 0.24% | +31,113 | New |
| Wells Fargo & Company | 30,760 | $532.1K | 0.00% | +8,198+36.3% | Added |
| Quantinno Capital Management LP | 29,948 | $518.1K | 0.00% | −9,302−23.7% | Reduced |
| ExodusPoint Capital Management, LP | 29,911 | $517.5K | 0.01% | +17,329+137.7% | Added |
| Stifel Financial Corp | 28,114 | $486.4K | 0.00% | +1,256+4.7% | Added |
| Quantbot Technologies LP | 27,978 | $484.0K | 0.02% | +27,978 | New |
| Ameriprise Financial Inc | 26,001 | $449.8K | 0.00% | −45,580−63.7% | Reduced |
| XTX Topco Ltd | 25,600 | $442.9K | 0.01% | +25,600 | New |
| California State Teachers Retirement System | 24,627 | $426.0K | 0.00% | −236−0.9% | Reduced |
| Los Angeles Capital Management LLC | 21,329 | $396.3K | 0.00% | +5,515+34.9% | Added |
| Polymer Capital Management (US) LLC | 22,291 | $385.6K | 0.05% | +22,291 | New |
| Legal & General Group Plc | 22,261 | $385.1K | 0.00% | −41,433−65.1% | Reduced |
| Engineers Gate Manager LP | 21,675 | $375.0K | 0.00% | +5,141+31.1% | Added |
| Weiss Asset Management LP | 20,760 | $359.1K | 0.01% | +20,760 | New |
| Schonfeld Strategic Advisors LLC | 19,573 | $338.6K | 0.00% | +19,573 | New |
| Deutsche Bank AG | 19,262 | $333.2K | 0.00% | −174−0.9% | Reduced |
| Sheets Smith Wealth Management | 17,878 | $309.3K | 0.03% | +659+3.8% | Added |
| Canada Pension Plan Investment Board | 17,800 | $307.9K | 0.00% | +17,800 | New |
| US Bancorp | 17,557 | $303.7K | 0.00% | −313−1.8% | Reduced |
| Franklin Resources Inc | 17,470 | $302.2K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 16,464 | $284.8K | 0.11% | −13,131−44.4% | Reduced |
| Quest Partners LLC | 16,003 | $276.9K | 0.02% | −3,191−16.6% | Reduced |
| Price T Rowe Associates Inc | 15,821 | $274.0K | 0.00% | +1,869+13.4% | Added |
| MetLife Investment Management | 15,457 | $267.4K | 0.00% | 00.0% | Unchanged |