BROWN ADVISORY INC: SIBN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BROWN ADVISORY INC on SIBN, newest first. How the timeline and the estimate are built.
BROWN ADVISORY INC held 2,077,134 SIBN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 2,077,134 sharesChange vs previous 13F -45,198 shares
0.05% of the 13F portfolio, value $33,898,832.
13F-HR 0001345929-26-000038 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 2,122,332 sharesChange vs previous 13F -339,470 shares
0.04% of the 13F portfolio, value $26,805,057.
13F-HR 0001345929-26-000028 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 2,461,802 sharesChange vs previous 13F -311,365 shares
0.07% of the 13F portfolio, value $48,546,742.
13F-HR 0001345929-26-000018 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 2,773,167 sharesChange vs previous 13F -139,809 shares
0.05% of the 13F portfolio, value $40,821,030.
13F-HR 0001345929-25-000002 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 2,912,976 sharesChange vs previous 13F -274,422 shares
0.07% of the 13F portfolio, value $54,822,209.
13F-HR 0001085146-25-005034 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 3,187,398 sharesChange vs previous 13F -453,047 shares
0.06% of the 13F portfolio, value $44,719,190.
13F-HR 0001085146-25-002448 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 3,640,445 sharesChange vs previous 13F -363,303 shares
0.06% of the 13F portfolio, value $51,039,039.
13F-HR 0001085146-25-001491 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 4,003,748 sharesChange vs previous 13F not available
0.07% of the 13F portfolio, value $55,972,396.
13F-HR 0001085146-24-005669 filed by BROWN ADVISORY INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).