BlackRock, Inc.: ARQT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BlackRock, Inc. on ARQT, newest first. How the timeline and the estimate are built.
BlackRock, Inc. held 10,545,466 ARQT shares at 2026-06-30 per its 13F-HR filed 2026-08-07, and reported 17,751,435 shares, 14.1%, in a 13G/A filed 2026-10-05.
Estimated current stake: 17,751,435 shares, 14.1% of the class
Estimated from 13G/A of 2026-10-05. As of 2026-09-30, 13G/A 0002012383-26-003314.
Shares are the reporting group's aggregate and may include entities that do not file a 13F.
Percent of portfolio stays on the 13F for 2026-06-30.
- event date2026-09-3013G/A 17,751,435 sharesShare basis changed not comparable
14.1% of the class. Different basis (group aggregate from 13G/A).
13G/A 0002012383-26-003314 filed by BlackRock, Inc.
Accepted , ingestedA 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.
- period ended2026-06-3013F 10,545,466 sharesChange vs previous 13F +1,345,055 shares
<0.01% of the 13F portfolio, value $276,502,120.
13F-HR 0002012383-26-003238 filed by BlackRock, 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 9,200,411 sharesChange vs previous 13F +100,832 shares
<0.01% of the 13F portfolio, value $216,761,686.
13F-HR 0002012383-26-001841 filed by BlackRock, 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 9,099,579 sharesChange vs previous 13F +525,584 shares
<0.01% of the 13F portfolio, value $264,251,774.
13F-HR 0002012383-26-000920 filed by BlackRock, 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 8,573,995 sharesChange vs previous 13F +41,234 shares
<0.01% of the 13F portfolio, value $161,619,806.
13F-HR 0002012383-25-002949 filed by BlackRock, 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 8,532,761 sharesChange vs previous 13F -359,576 shares
<0.01% of the 13F portfolio, value $119,629,310.
13F-HR 0001060021-25-000120 filed by BlackRock, 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 8,892,337 sharesChange vs previous 13F -256,221 shares
<0.01% of the 13F portfolio, value $139,076,152.
13F-HR 0001576419-25-000869 filed by BlackRock, 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 9,148,558 sharesChange vs previous 13F +119,002 shares
<0.01% of the 13F portfolio, value $127,439,414.
13F-HR 0001060021-25-000002 filed by BlackRock, 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 9,029,556 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $83,974,869.
13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).