ASIX AdvanSix Inc.

NYSE
$16.63

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.

Managers compared
282
filed both this quarter and last
Managers holding
251
-10 on the quarter
Buyers
99
21 opened new
Sellers
90
31 sold out entirely
Buyer share
52.4%
of managers who traded it
Breadth
+4.8
net buyers, as a share of those trading

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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Ownership map

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.

Cut Unchanged Added Color saturates at ±50%.

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.