Hologic Inc
HOLXDelisted Apr 7, 2026- Industry
- X-Ray Apparatus & Tubes & Related Irradiation Apparatus
- SEC CIK
- 0000859737
Hologic Inc was delisted on Apr 7, 2026; its insiders filed their last Form 4 on Apr 9, 2026; 706 institutions reported holding it in 13F filings for Q1 2026, worth $16.3B in total; Soros Fund Management was the only superinvestor holding it.
Holders of 5% or more of HOLX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hologic Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 13G/A | 9.70%21.6M shares | −1.10 ppfrom 10.80% | Feb 14, 20253 filings | Nov 14, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 8.90%19.9M shares | – | Apr 17, 20251 filing | Apr 17, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Hologic Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 202512:18 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 9.70%21.6M shares | −1.10 ppfrom 10.80% | Sep 30, 2025 | SEC |
| Jul 8, 202511:09 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 10.80%24.1M shares | +2.90 ppfrom 7.90% | Jun 30, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 8.90%19.9M shares | – | Mar 31, 2025 | SEC |
| Feb 14, 20259:45 AM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 7.90%17.9M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Hologic Inc shares.
No Form 144 notices for Hologic Inc are on file.