Advansix INC Schedule 13G passive stakes

Dimensional Fund Advisors LP has reported beneficial ownership of 5.2% of AdvanSix Inc. common stock as of June 30, 2026.

CastleKnight Master Fund LP and affiliated entities have reported beneficial ownership of 1,666,382 shares, representing 6.2% of AdvanSix Inc.'s common stock.

The Vanguard Group has filed an amended Schedule 13G for AdvanSix Inc., reporting zero beneficial ownership following an internal realignment.

Victory Capital Management, Inc. has disclosed a passive 0.51% beneficial ownership stake in AdvanSix Inc. common stock as of September 30, 2025.

The Vanguard Group filed an amended Schedule 13G for AdvanSix Inc., reporting a 6.35% beneficial ownership and detailing an internal realignment affecting its reporting structure.

Dimensional Fund Advisors LP has filed an amended Schedule 13G, disclosing a 4.8% passive ownership stake in AdvanSix Inc.

BlackRock, Inc. has filed an amended Schedule 13G, disclosing a beneficial ownership of 11.9% in AdvanSix Inc.'s common stock, totaling 3,199,954 shares.

Victory Capital Management, Inc. has reported an 8.12% beneficial ownership stake in AdvanSix Inc. common stock.

BlackRock, Inc. has filed an amended Schedule 13G, revealing a 17.0% beneficial ownership stake in AdvanSix Inc. as of March 31, 2025.