ASIX AdvanSix Inc.
AdvanSix Inc. (ASIX) Institutional Ownership
What the institutions did with ASIX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 2.4M | 9.8% |
| CastleKnight Management LP | 1.6M | 6.4% |
| DIMENSIONAL FUND ADVISORS LP | 1.4M | 5.7% |
| AMERICAN CENTURY COMPANIES INC | 1.4M | 5.5% |
| AEGIS FINANCIAL CORP | 1.2M | 4.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | 4.6% |
| ALLIANCEBERNSTEIN L.P. | 863.9K | 3.5% |
| AQR CAPITAL MANAGEMENT LLC | 700.1K | 2.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 692.5K | 2.8% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 664.9K | 2.7% |
| FMR LLC | 658.3K | 2.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 611.3K | 2.5% |
| STATE STREET CORP | 587.7K | 2.4% |
| Solas Capital Management, LLC | 571.3K | 2.3% |
| GOLDMAN SACHS GROUP INC | 553.5K | 2.2% |
| LSV ASSET MANAGEMENT | 548.8K | 2.2% |
| TWO SIGMA INVESTMENTS, LP | 548.5K | 2.2% |
| ACADIAN ASSET MANAGEMENT LLC | 520.9K | 2.1% |
| MORGAN STANLEY | 482.5K | 1.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 350.7K | 1.4% |
| Empowered Funds, LLC | 302.7K | 1.2% |
| NORTHERN TRUST CORP | 255.3K | 1.0% |
| TOWLE & CO | 249.1K | 1.0% |
| UBS Group AG | 240.5K | 1.0% |
| Qube Research & Technologies Ltd | 237.8K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| CastleKnight Management LP | Increased | 631.8K | 1.6M | +958.5K |
| JANE STREET GROUP, LLC | Reduced | 405.4K | 79.9K | -325.5K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 221.4K | 520.9K | +299.5K |
| Lloyd Harbor Capital Management, LLC | Sold Out | 290.0K | 0 | -290.0K |
| AMERICAN CENTURY COMPANIES INC | Increased | 1.1M | 1.4M | +236.7K |
| TOWLE & CO | Increased | 14.1K | 249.1K | +235.0K |
| Point72 Asset Management, L.P. | Sold Out | 206.9K | 0 | -206.9K |
| Empowered Funds, LLC | Increased | 100.7K | 302.7K | +202.0K |
| Invenomic Capital Management LP | Reduced | 313.5K | 128.0K | -185.5K |
| BlackRock, Inc. | Increased | 2.3M | 2.4M | +156.5K |
| DEPRINCE RACE & ZOLLO INC | Reduced | 275.5K | 140.9K | -134.5K |
| HRT FINANCIAL LP | Sold Out | 122.4K | 0 | -122.4K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.3M | 1.4M | +96.3K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 115.0K | 19.2K | -95.7K |
| Russell Investments Group, Ltd. | Reduced | 329.9K | 234.7K | -95.2K |
| Balyasny Asset Management L.P. | Sold Out | 95.0K | 0 | -95.0K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Increased | 923 | 95.9K | +95.0K |
| CenterBook Partners LP | Reduced | 228.2K | 136.7K | -91.5K |
| Nuveen, LLC | Increased | 55.1K | 144.8K | +89.6K |
| Mudita Advisors LLP | Increased | 82.8K | 170.5K | +87.7K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 696.4K | 611.3K | -85.1K |
| First Eagle Investment Management, LLC | Sold Out | 82.5K | 0 | -82.5K |
| TUDOR INVESTMENT CORP ET AL | Increased | 143.1K | 224.9K | +81.8K |
| MORGAN STANLEY | Increased | 402.3K | 482.5K | +80.2K |
| FRANKLIN RESOURCES INC | Reduced | 174.3K | 102.5K | -71.8K |
| Numerai GP LLC | New | 0 | 67.0K | +67.0K |
| JPMORGAN CHASE & CO | Increased | 59.0K | 124.6K | +65.6K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 286.3K | 350.7K | +64.3K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 612.7K | 548.5K | -64.2K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | 728.3K | 664.9K | -63.3K |
| GOLDMAN SACHS GROUP INC | Increased | 490.4K | 553.5K | +63.1K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 638.6K | 700.1K | +61.5K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Sold Out | 55.9K | 0 | -55.9K |
| Solas Capital Management, LLC | Increased | 517.0K | 571.3K | +54.3K |
| FMR LLC | Increased | 608.3K | 658.3K | +50.0K |
| Squarepoint Ops LLC | Increased | 36.5K | 82.2K | +45.8K |
| Qube Research & Technologies Ltd | Reduced | 281.6K | 237.8K | -43.8K |
| Mutual Advisors, LLC | New | 0 | 41.5K | +41.5K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 652.2K | 692.5K | +40.3K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Increased | 198.3K | 236.3K | +38.0K |
| SG Americas Securities, LLC | Reduced | 42.0K | 5.3K | -36.7K |
| D. E. Shaw & Co., Inc. | Reduced | 229.6K | 195.2K | -34.4K |
| Quantinno Capital Management LP | Increased | 39.6K | 73.6K | +34.1K |
| XTX Topco Ltd | Reduced | 48.3K | 15.0K | -33.2K |
| Corient Private Wealth LP | New | 0 | 31.9K | +31.9K |
| Trexquant Investment LP | Increased | 60.5K | 89.8K | +29.3K |
| SEI INVESTMENTS CO | Increased | 81.5K | 110.8K | +29.3K |
| FOX RUN MANAGEMENT, L.L.C. | New | 0 | 28.6K | +28.6K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1.1M | 1.2M | +27.9K |
| Brevan Howard Capital Management LP | Reduced | 37.8K | 10.4K | -27.4K |
| Jain Global LLC | New | 0 | 26.7K | +26.7K |
| HSBC HOLDINGS PLC | Sold Out | 26.1K | 0 | -26.1K |
| UBS Group AG | Reduced | 265.8K | 240.5K | -25.3K |
| Ancora Advisors LLC | Sold Out | 25.2K | 0 | -25.2K |
| Jump Financial, LLC | Sold Out | 22.7K | 0 | -22.7K |
| THOMPSON SIEGEL & WALMSLEY LLC | Sold Out | 21.8K | 0 | -21.8K |
| SIMPLEX TRADING, LLC | Reduced | 24.7K | 3.2K | -21.5K |
| STATE STREET CORP | Increased | 566.6K | 587.7K | +21.0K |
| Lighthouse Investment Partners, LLC | Sold Out | 20.0K | 0 | -20.0K |
| ExodusPoint Capital Management, LP | Increased | 50.1K | 68.2K | +18.1K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.