HologicHOLX
13F holders, Q1 2026 (March 31)705holders −46
68new positions
112sold out
9famous investors
$75.58avg. 13F price*
At the end of Q1 2026, 705 institutions reported holding Hologic Inc. (HOLX) in their 13F filings, down 46 from Q4 2025. 68 opened new positions and 112 sold out. The largest holders were BlackRock, Inc. ($1.7B), Vanguard Capital Management LLC ($1.1B) and State Street Corp. ($755.2M). 9 famous investors held it, including George Soros (1.4% of Soros Fund Management's portfolio), Paul Tudor Jones (0.9% of Tudor Investment Corporation's portfolio) and Israel Englander (0.3% of Millennium Management's portfolio).
- Company
- Hologic Inc.
- CUSIP
- 436440101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 68 | $358.9M |
| Exits | 112 | $851.0M |
All 13F filers, Q4 2025 → Q1 2026: 43,390,390 shares bought and 40,234,559 shares sold, net +3,155,831 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 705 holders
| BlackRock, Inc. | 0.03% | Add +1.9% | 22,520,444 | $1.7B |
| Vanguard Capital Management LLC | 0.03% | — | 14,503,914 | $1.1B |
| State Street Corp. | 0.03% | Add +1.2% | 9,990,906 | $755.2M |
| HBK Investments L P | 10.12% | Add +16.7% | 9,800,000 | $740.8M |
| Vanguard Portfolio Management LLC | 0.04% | — | 9,620,600 | $727.2M |
| FIL Ltd | 0.46% | Add +49.6% | 7,821,581 | $591.2M |
| Geode Capital Management, LLC | 0.03% | Add +2.4% | 6,058,845 | $456.3M |
| Millennium Management | 0.34% | Add +61.5% | 5,651,225 | $427.2M |
| UBS Group AG | 0.07% | Add +62.1% | 5,089,745 | $384.7M |
| Balyasny Asset Management L.P. | 0.74% | Add +193.7% | 4,722,968 | $357.0M |
| Pentwater Capital Management LP | 2.42% | Add +6.0% | 4,500,224 | $340.2M |
| Morgan Stanley | 0.02% | Add +51.3% | 3,573,011 | $270.1M |
| Glazer Capital, LLC | 5.99% | Add +867.4% | 3,563,652 | $269.4M |
| JPMorgan Chase & Co. | 0.02% | Add +96.1% | 3,301,493 | $249.4M |
| Invesco Ltd. | 0.02% | Reduce -11.9% | 3,164,586 | $239.2M |
| Qube Research & Technologies Ltd | 0.34% | Add +48.0% | 3,131,196 | $236.7M |
| O'Connor Alternative Investments LLC | 13.37% | — | 3,118,178 | $235.7M |
| Arrowstreet Capital, Limited Partnership | 0.12% | Reduce -3.4% | 2,921,130 | $220.8M |
| Northern Trust Corp. | 0.03% | Reduce -1.6% | 2,676,190 | $202.3M |
| Goldman Sachs Group Inc. | 0.02% | Add +130.8% | 2,322,673 | $175.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +11.5% | 2,299,022 | $173.8M |
| Bank of America Corp. | 0.01% | Reduce -23.2% | 2,254,024 | $170.4M |
| Tudor Investment Corporation | 0.89% | Add +36.5% | 2,196,804 | $166.1M |
| Deutsche Bank AG | 0.05% | Add +34.1% | 2,173,847 | $164.3M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +2.9% | 2,157,358 | $163.1M |
| Earnest Partners LLC | 0.57% | Reduce -2.5% | 1,842,926 | $139.3M |
| Davidson Kempner Capital Management LP | 3.35% | Add +124.8% | 1,619,115 | $122.4M |
| Nexpoint Asset Management, L.P. | 8.16% | Add +79.5% | 1,541,860 | $116.5M |
| Syquant Capital Sas | 17.98% | Add +1105.9% | 1,523,025 | $115.1M |
| DekaBank Deutsche Girozentrale | 0.19% | No change | 1,475,379 | $113.3M |
| Amundi | 0.03% | Add +11.0% | 1,469,196 | $111.1M |
| Legal & General Group Plc | 0.02% | Add +7.6% | 1,413,564 | $106.9M |
| Neuberger Berman Group LLC | 0.08% | Add +44.6% | 1,361,861 | $102.9M |
| TIG Advisors, LLC | 4.82% | Add +11.7% | 1,335,117 | $100.9M |
| First Trust Capital Management L.P. | 5.27% | Add +329.0% | 1,327,989 | $100.4M |
| Vanguard Fiduciary Trust Co. | 0.02% | — | 1,252,673 | $94.7M |
| Weiss Asset Management LP | 2.39% | New | 1,230,436 | $93.0M |
| Absolute Gestao de Investimentos Ltda. | 10.42% | Add +91.4% | 1,206,999 | $91.2M |
| Sei Investments Co. | 0.08% | Reduce -2.1% | 1,195,073 | $90.3M |
| Squarepoint Ops LLC | 0.19% | Add +11.4% | 1,152,092 | $87.1M |
| Bank of Nova Scotia | 0.15% | Add +1114.0% | 1,143,287 | $86.4M |
| Bank of New York Mellon Corp | 0.02% | Reduce -6.3% | 1,136,595 | $85.9M |
| Citadel Advisors | 0.06% | Add +70.8% | 1,090,660 | $82.4M |
| AQR Arbitrage LLC | 1.56% | Add +149.9% | 1,048,664 | $79.3M |
| Soros Fund Management | 1.41% | Add +15.7% | 1,013,552 | $76.6M |
| Woodline Partners LP | 0.29% | Add +1.1% | 1,009,039 | $76.3M |
| Alliancebernstein L.P. | 0.02% | Reduce -29.8% | 1,018,319 | $75.9M |
| SG Americas Securities, LLC | 0.08% | Add +121.5% | 932,831 | $70.5M |
| National Bank of Canada | 0.07% | Add +497.1% | 864,725 | $65.4M |
| Adage Capital Partners Gp, L.L.C. | 0.10% | Reduce -18.4% | 858,013 | $64.9M |
| Kryger Capital LLC | 4.39% | — | 821,131 | $62.1M |
| Highbridge Capital Management LLC | 5.99% | Add +34.2% | 821,157 | $62.0M |
| Man Group plc | 0.12% | Add +13.9% | 761,747 | $57.6M |
| Barclays PLC | 0.02% | Add +59.1% | 746,127 | $56.4M |
| Alberta Investment Management Corp | 0.38% | Add +6.6% | 734,000 | $55.5M |
| Mackenzie Financial Corp. | 0.06% | Reduce -33.5% | 676,423 | $51.1M |
| Swiss National Bank | 0.03% | Add +9.1% | 664,640 | $50.2M |
| Picton Mahoney Asset Management | 0.51% | Add +29.8% | 650,514 | $49.2M |
| HSBC Holdings PLC | 0.03% | Add +4.2% | 644,333 | $48.7M |
| Nuveen, LLC | 0.01% | Add +27.2% | 631,881 | $47.8M |
| ING Groep NV | 0.29% | Add +2080.9% | 627,305 | $47.4M |
| Ameriprise Financial Inc. | 0.01% | Reduce -24.3% | 618,084 | $46.7M |
| FMR LLC | 0.00% | Add +28.1% | 604,606 | $45.7M |
| Laurion Capital Management LP | 4.52% | New | 604,506 | $45.7M |
| LMR Partners LLP | 0.54% | Add +36.1% | 598,714 | $45.3M |
| Storebrand Asset Management As | 0.13% | Reduce -18.5% | 587,205 | $44.4M |
| Polar Asset Management Partners Inc. | 1.44% | Add +20.6% | 586,038 | $44.3M |
| Quantinno Capital Management LP | 0.07% | Add +1.0% | 580,740 | $43.9M |
| Verition Fund Management LLC | 0.45% | Add +107.9% | 578,395 | $43.7M |
| Toronto Dominion Bank | 0.08% | Add +562.3% | 567,153 | $42.9M |
| Rhumbline Advisers | 0.04% | Add +2.5% | 564,642 | $42.7M |
| Water Island Capital LLC | 5.96% | Add +19.7% | 560,045 | $42.3M |
| Swedbank AB | 0.04% | Reduce -4.0% | 544,066 | $41.1M |
| Citigroup Inc. | 0.03% | Add +36.1% | 537,511 | $40.6M |
| California Public Employees Retirement System | 0.02% | Reduce -13.6% | 523,815 | $39.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -6.5% | 521,877 | $39.4M |
| Caxton Associates LLP | 0.90% | New | 515,637 | $39.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.03% | Add +6.6% | 495,881 | $37.5M |
| Vanguard Global Advisers, LLC | 0.02% | — | 486,783 | $36.8M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.06% | Add +179.4% | 485,545 | $36.7M |
| Natixis Advisors, LLC | 0.05% | Add +27.0% | 468,620 | $35.4M |
| Capula Management Ltd | 0.31% | Add +137.1% | 465,126 | $35.2M |
| Westchester Capital Management, LLC | 1.67% | Add +42.4% | 455,304 | $34.4M |
| Capitolis Liquid Global Markets LLC | 0.21% | — | 445,385 | $33.7M |
| Oddo BHF Asset Management Sas | 1.32% | New | 440,000 | $33.3M |
| Alpine Associates Management Inc. | 1.93% | Reduce -0.7% | 432,210 | $32.7M |
| PSquared Asset Management AG | 10.68% | New | 405,920 | $30.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.03% | — | 394,500 | $29.8M |
| Maven Securities LTD | 1.71% | Add +287.4% | 387,450 | $29.3M |
| California State Teachers Retirement System | 0.03% | Reduce -3.1% | 385,252 | $29.1M |
| Gabelli Funds LLC | 0.20% | Add +33.7% | 382,142 | $28.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -42.5% | 368,011 | $27.8M |
| Retirement Systems of Alabama | 0.09% | Reduce -0.0% | 364,151 | $27.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -84.2% | 357,911 | $27.1M |
| BNP Paribas Financial Markets | 0.02% | Add +0.9% | 355,982 | $26.9M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -2.4% | 353,877 | $26.8M |
| Jones Financial Companies LLLP | 0.01% | Add +9402.3% | 346,740 | $26.2M |
| Two Sigma Investments, LP | 0.02% | Add +285.6% | 328,504 | $24.8M |
| GMO | 0.06% | Add +9.1% | 320,882 | $24.3M |
| Foursixthree Capital LP | 11.51% | New | 309,800 | $23.4M |
"% of holder's portfolio" is HOLX's weight in each manager's 13F, not the share of Hologic Inc. the manager owns.