Great Diamond Partners, LLC: BLK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Great Diamond Partners, LLC on BLK, newest first. How the timeline and the estimate are built.
Great Diamond Partners, LLC held 2,819 BLK shares at 2026-09-30 per its 13F-HR filed 2026-10-13.
the latest 13F is the newest step
- period ended2026-09-3013F 2,819 sharesChange vs previous 13F -52 shares
0.5% of the 13F portfolio, value $2,983,366.
13F-HR 0001172661-26-004501 filed by Great Diamond Partners, LLC
Accepted , ingested - period ended2026-06-3013F 2,871 sharesChange vs previous 13F +27 shares
0.47% of the 13F portfolio, value $2,760,660.
13F-HR 0001172661-26-002658 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 2,844 sharesChange vs previous 13F +53 shares
0.53% of the 13F portfolio, value $2,735,103.
13F-HR 0001172661-26-001739 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 2,791 sharesChange vs previous 13F +10 shares
0.57% of the 13F portfolio, value $2,987,319.
13F-HR 0001172661-26-000514 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 2,781 sharesChange vs previous 13F -2 shares
0.63% of the 13F portfolio, value $3,242,284.
13F-HR 0001172661-25-004336 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 2,783 sharesChange vs previous 13F +7 shares
0.62% of the 13F portfolio, value $2,920,063.
13F-HR 0001172661-25-003158 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 2,776 sharesChange vs previous 13F -199 shares
0.72% of the 13F portfolio, value $2,627,428.
13F-HR 0001172661-25-001768 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 2,975 sharesChange vs previous 13F not available
0.79% of the 13F portfolio, value $3,049,702.
13F-HR 0001172661-25-000333 filed by Great Diamond Partners, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).