Hologic Inc
HOLXDelisted- Industry
- X-Ray Apparatus & Tubes & Related Irradiation Apparatus
- SEC CIK
- 0000859737
Hologic Inc was delisted in 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.
Key figures
- Insider buys
- 0
- Open market, last 90 days
- Insider sells
- 0
- Open market, last 90 days
- 13F holders
- 706
- Q1 2026, −30 vs. previous quarter
- 13F value
- $16.3B
- Reported value at the end of Q1 2026
- Superinvestors holding
- 1
- At the end of Q1 2026
Superinvestors holding HOLX, Q1 2026
1 superinvestor reports holding Hologic Inc on Form 13F. Percentages are the stock's share of each portfolio.
Latest insider trades
Open-market purchases and sales by Hologic Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 22, 2025 (view filing) | Oct 20 | 2 days | Stamoulis ChristianaDirector | SSale | −7.40K | $73.07 | −$540.9K | −13.5%47.3K after | 10b5-1 |
| Sep 23, 2025 (view filing) | Sep 22 | 1 day | Macmillan Stephen PChairman, President and CEO | SSale | −138.4K | $66.97 | −$9.27M | −10.1%1.23M after | 3 lots10b5-1 |
| May 9, 2025 (view filing) | May 7 | 2 days | Madaus Martin DDirector | PPurchase | +5.45K | $55.24 | +$300.8K | New position5.45K after | |
| Dec 6, 2024 (view filing) | Dec 4 | 2 days | Mitchell Essex DChief Operating Officer | SSale | −24.9K | $76.34 | −$1.90M | −47.1%28.0K after | |
| Sep 3, 2024 (view filing) | Aug 29 | 5 days | Oberton Karleen MarieChief Financial Officer | SSale | −52.7K | $80.56 | −$4.24M | −38.5%84.0K after | 10b5-1 |
| Aug 8, 2024 (view filing) | Aug 6 | 2 days | Schnittker BrandonDiv. President, GYN Surgical | SSale | −476 | $83.11 | −$39.6K | −11.3%3.73K after | |
| Aug 5, 2024 (view filing) | Aug 1 | 4 days | Cohn Benjamin JordanPrincipal Accounting Officer | SSale | −5.09K | $81.99 | −$417.6K | −32.7%10.5K after | |
| Aug 1, 2024 (view filing) | Jul 30 | 2 days | Macmillan Stephen PChairman, President and CEO | SSale | −44.0K | $81.70 | −$3.60M | −3.7%1.16M after | 3 lots10b5-1 |
| Jul 19, 2024 (view filing) | Jul 17 | 2 days | Macmillan Stephen PChairman, President and CEO | SSale | −3.67K | $80.13 | −$294.2K | −0.3%1.16M after | 10b5-1 |
| Jul 19, 2024 (view filing) | Jul 17 | 2 days | Stamoulis ChristianaDirector | SSale | −9.04K | $79.50 | −$718.6K | −16.6%45.5K after | 10b5-1 |
Top 10 13F holders, Q1 2026
The largest institutional positions in Hologic Inc at the end of Q1 2026; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 22,520,444 | $1.70B | 0.03% | +422,027+1.9% | Added |
| Vanguard Capital Management LLC | 14,503,914 | $1.10B | 0.03% | +14,503,914 | New |
| State Street Corp | 9,990,906 | $755.2M | 0.03% | +115,243+1.2% | Added |
| HBK Investments L P | 9,800,000 | $740.8M | 9.33% | +1,400,000+16.7% | Added |
| Vanguard Portfolio Management LLC | 9,620,600 | $727.2M | 0.04% | +9,620,600 | New |
| FIL Ltd | 7,821,581 | $591.2M | 0.46% | +2,594,148+49.6% | Added |
| Geode Capital Management, LLC | 6,058,845 | $456.3M | 0.03% | +139,832+2.4% | Added |
| Millennium Management LLC | 5,651,225 | $427.2M | 0.32% | +2,151,209+61.5% | Added |
| UBS Group AG | 5,089,745 | $384.7M | 0.07% | +1,950,084+62.1% | Added |
| Balyasny Asset Management LLC | 4,722,968 | $357.0M | 0.70% | +3,114,628+193.7% | Added |