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 |
|---|---|---|---|---|---|
| McMillan Office, Inc. | 128 | $3.12K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 136 | $3.27K | 0.00% | −47−25.7% | Reduced |
| Parkside Financial Bank & Trust | 154 | $3.76K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 153 | $3.77K | 0.00% | 00.0% | Unchanged |
| Hilltop National Bank | 178 | $4.34K | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 200 | $4.88K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 267 | $6.51K | 0.00% | +229+602.6% | Added |
| Fifth Third Bancorp | 268 | $6.55K | 0.00% | +136+103.0% | Added |
| Asset Planning,Inc | 331 | $8.07K | 0.01% | +3+0.9% | Added |
| Harbour Investments, Inc. | 338 | $8.25K | 0.00% | +187+123.8% | Added |
| Estabrook Capital Management | 345 | $8.42K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 359 | $8.76K | 0.00% | +251+232.4% | Added |
| EverSource Wealth Advisors, LLC | 376 | $9.17K | 0.00% | +242+180.6% | Added |
| Tradewinds Capital Management, LLC | 400 | $9.76K | 0.00% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 391 | $10.0K | 0.00% | +111+39.6% | Added |
| SRS Capital Advisors, Inc. | 436 | $10.6K | 0.00% | +322+282.5% | Added |
| Essential Partners LLC | 449 | $11.0K | 0.00% | +404+897.8% | Added |
| Optiver Holding B.V. | 541 | $13.2K | 0.00% | +392+263.1% | Added |
| Farther Finance Advisors, LLC | 529 | $13.3K | 0.00% | +61+13.0% | Added |
| WealthCollab, LLC | 678 | $16.5K | 0.01% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 796 | $19.4K | 0.00% | −12,866−94.2% | Reduced |
| Royal Bank of Canada | 863 | $20.0K | 0.00% | −2,071−70.6% | Reduced |
| Sterling Capital Management LLC | 870 | $21.2K | 0.00% | −665−43.3% | Reduced |
| SBI Securities Co., Ltd. | 886 | $21.6K | 0.00% | +885+88,500.0% | Added |
| UBS Asset Management Americas Inc | 923 | $22.5K | 0.00% | −38,439−97.7% | Reduced |
| MAI Capital Management | 1,009 | $24.6K | 0.00% | +957+1,840.4% | Added |
| State of Alaska, Department of Revenue | 1,111 | $27.0K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,151 | $28.1K | 0.00% | +895+349.6% | Added |
| Quadrant Capital Group LLC | 1,180 | $28.8K | 0.00% | +164+16.1% | Added |
| California State Teachers Retirement System | 1,421 | $34.7K | 0.00% | −23,206−94.2% | Reduced |
| The PNC Financial Services Group, Inc. | 1,776 | $43.3K | 0.00% | −276−13.5% | Reduced |
| Versant Capital Management, Inc | 1,816 | $44.3K | 0.00% | +266+17.2% | Added |
| Hantz Financial Services, Inc. | 2,108 | $51.0K | 0.00% | −250−10.6% | Reduced |
| Ameritas Investment Partners, Inc. | 2,195 | $53.6K | 0.00% | 00.0% | Unchanged |
| CFG Wealth Management Services, Inc. | 2,497 | $60.9K | 0.06% | +2,497 | New |
| Group One Trading, L.P. | 2,500 | $61.0K | 0.00% | +2,500 | New |
| Tower Research Capital LLC (TRC) | 4,110 | $100.3K | 0.00% | +505+14.0% | Added |
| Eurizon Capital SGR S.p.A. | 4,349 | $105.4K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,344 | $106.0K | 0.00% | −42,435−90.7% | Reduced |
| Legal & General Group Plc | 4,489 | $109.5K | 0.00% | −17,772−79.8% | Reduced |
| Parallel Advisors, LLC | 5,520 | $134.7K | 0.00% | −153−2.7% | Reduced |
| Public Employees Retirement Association of Colorado | 5,541 | $135.0K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 6,474 | $158.0K | 0.00% | +4,642+253.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,247 | $176.8K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 7,520 | $183.5K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 7,665 | $187.0K | 0.00% | −200−2.5% | Reduced |
| JustInvest LLC | 8,344 | $203.6K | 0.00% | +8,344 | New |
| Campbell & CO Investment Adviser LLC | 8,862 | $216.2K | 0.01% | −40,297−82.0% | Reduced |
| Barclays PLC | 9,309 | $227.1K | 0.00% | −31,610−77.3% | Reduced |
| Linden Thomas Advisory Services, LLC | 9,516 | $232.2K | 0.02% | +9,516 | New |
| Cerity Partners LLC | 10,646 | $259.8K | 0.00% | +10,646 | New |
| Wealth Enhancement Advisory Services, LLC | 21,641 | $261.8K | 0.00% | +17,839+469.2% | Added |
| LPL Financial LLC | 10,867 | $265.1K | 0.00% | −1,387−11.3% | Reduced |
| Quadrature Capital Ltd | 11,000 | $268.4K | 0.00% | +11,000 | New |
| Wells Fargo & Company | 11,383 | $277.7K | 0.00% | −19,377−63.0% | Reduced |
| Mirabella Financial Services LLP | 11,395 | $278.0K | 0.03% | +11,395 | New |
| NorthCrest Asset Manangement, LLC | 11,301 | $286.1K | 0.01% | +722+6.8% | Added |
| Advisor Group Holdings, Inc. | 11,981 | $292.4K | 0.00% | −586−4.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 12,332 | $300.9K | 0.00% | +151+1.2% | Added |
| State of Wyoming | 12,547 | $306.1K | 0.04% | +12,209+3,612.1% | Added |
| EntryPoint Capital, LLC | 12,774 | $311.7K | 0.09% | −3,690−22.4% | Reduced |
| Polymer Capital Management (US) LLC | 12,923 | $315.3K | 0.05% | −9,368−42.0% | Reduced |
| Skopos Labs, Inc. | 13,048 | $318.4K | 0.01% | +13,048 | New |
| Towle & Co | 14,115 | $344.4K | 0.13% | +14,115 | New |
| Ameriprise Financial Inc | 14,182 | $346.0K | 0.00% | −11,819−45.5% | Reduced |
| South Dakota Investment Council | 14,525 | $354.0K | 0.01% | 00.0% | Unchanged |
| Bokf, NA | 14,690 | $358.4K | 0.01% | +6,857+87.5% | Added |
| Infrastructure Capital Advisors, LLC | 14,748 | $359.9K | 0.03% | +1,981+15.5% | Added |
| BNP Paribas Arbitrage, SA | 14,885 | $363.2K | 0.00% | +5,795+63.8% | Added |
| MetLife Investment Management | 15,457 | $377.2K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 16,838 | $410.8K | 0.00% | +13,378+386.6% | Added |
| Mercer Global Advisors Inc | 17,435 | $425.4K | 0.00% | +3,223+22.7% | Added |
| US Bancorp | 17,471 | $426.3K | 0.00% | −86−0.5% | Reduced |
| Algert Global LLC | 17,729 | $432.6K | 0.01% | +17,729 | New |
| Caxton Associates LLP | 17,861 | $435.8K | 0.01% | +17,861 | New |
| Sheets Smith Wealth Management | 17,899 | $436.7K | 0.05% | +21+0.1% | Added |
| Lighthouse Investment Partners, LLC | 20,000 | $488.0K | 0.02% | +20,000 | New |
| Price T Rowe Associates Inc | 20,333 | $497.0K | 0.00% | +4,512+28.5% | Added |
| Verdence Capital Advisors LLC | 21,081 | $514.4K | 0.03% | +21,081 | New |
| CWM Advisors, LLC | 21,362 | $521.2K | 0.03% | −11,026−34.0% | Reduced |
| Verity Asset Management, Inc. | 21,720 | $530.0K | 0.22% | +21,720 | New |
| Deutsche Bank AG | 21,840 | $532.9K | 0.00% | +2,578+13.4% | Added |
| Thompson Siegel & Walmsley LLC | 21,849 | $533.0K | 0.01% | −198,493−90.1% | Reduced |
| Jump Financial, LLC | 22,716 | $554.3K | 0.01% | −84,484−78.8% | Reduced |
| Simplex Trading, LLC | 24,672 | $602.0K | 0.02% | +24,672 | New |
| Ancora Advisors, LLC | 25,248 | $616.1K | 0.01% | +25,248 | New |
| HSBC Holdings PLC | 26,088 | $637.9K | 0.00% | −9,031−25.7% | Reduced |
| Mariner, LLC | 28,631 | $698.6K | 0.00% | +17,566+158.8% | Added |
| Canada Pension Plan Investment Board | 31,200 | $761.3K | 0.00% | +13,400+75.3% | Added |
| SummerHaven Investment Management, LLC | 31,381 | $765.7K | 0.47% | −4,866−13.4% | Reduced |
| Stifel Financial Corp | 32,166 | $784.9K | 0.00% | +4,052+14.4% | Added |
| Squarepoint Ops LLC | 36,471 | $889.9K | 0.00% | −17,322−32.2% | Reduced |
| Rhumbline Advisers | 36,644 | $894.1K | 0.00% | −1,399−3.7% | Reduced |
| Brevan Howard Capital Management LP | 37,813 | $922.6K | 0.01% | +26,169+224.7% | Added |
| Engineers Gate Manager LP | 38,392 | $936.8K | 0.01% | +16,717+77.1% | Added |
| Martingale Asset Management L P | 39,333 | $959.7K | 0.02% | −800−2.0% | Reduced |
| Quantinno Capital Management LP | 39,563 | $965.3K | 0.00% | +9,615+32.1% | Added |
| SG Americas Securities, LLC | 42,016 | $1.02M | 0.00% | −25,796−38.0% | Reduced |
| PDT Partners, LLC | 42,168 | $1.03M | 0.06% | +42,168 | New |
| Ieq Capital, LLC | 44,120 | $1.08M | 0.00% | +31,458+248.4% | Added |