Harbor Advisors LLC: BLK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Harbor Advisors LLC on BLK, newest first. How the timeline and the estimate are built.
Harbor Advisors LLC held 3,924 BLK shares at 2026-06-30 per its 13F-HR filed 2026-07-28.
the latest 13F is the newest step
- period ended2026-06-3013F 3,924 sharesChange vs previous 13F 0 shares
0.47% of the 13F portfolio, value $3,773,161.
13F-HR 0001214659-26-009081 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F 0 shares
0.55% of the 13F portfolio, value $3,773,750.
13F-HR 0001214659-26-005743 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F 0 shares
0.63% of the 13F portfolio, value $4,200,014.
13F-HR 0001214659-26-000986 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F 0 shares
0.71% of the 13F portfolio, value $4,574,874.
13F-HR 0001214659-25-016246 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F 0 shares
0.67% of the 13F portfolio, value $4,117,257.
13F-HR 0001214659-25-011966 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F 0 shares
0.64% of the 13F portfolio, value $3,713,988.
13F-HR 0001214659-25-007679 filed by Harbor Advisors 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 3,924 sharesChange vs previous 13F not available
0.63% of the 13F portfolio, value $4,022,532.
13F-HR 0001214659-25-002356 filed by Harbor Advisors LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).