66KShares reported · +41K vs prior quarter
From a 13F filed Aug 14, 2026 covering holdings at Jun 30, 2026 — a quarter-end snapshot, not a live trade.
MAS · NYSE · Building Products
From a 13F filed Aug 14, 2026 covering holdings at Jun 30, 2026 — a quarter-end snapshot, not a live trade.
Institutions reporting a stake, Q2 2026
913
+76 vs Q1 2026
Share of stock reported
99.5%
201M of 202M shares outstanding
Change vs Q1 2026
-607K shares
135 new positions, 59 positions closed
Reported in 13F filings, which cover managers over $100M and include double counting. A 13F shows holdings on the last day of the quarter, not when shares were bought or sold. Change counts the 901 managers that reported both quarters.
Source: SEC Form 13F data sets, every filer, common stock only (options and bonds left out); 9 managers also reported puts and 9 managers calls. Amendments are applied; lines whose value was filed in thousands are scaled, and lines whose shares and value disagree are left out.