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.
13F holders, Q1 2026
Institutional positions in Hologic Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
HOLX is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 706
- −28 vs. Q4 2025
- Shares held
- 215.5M
- +34.0M (+18.7%) vs. Q4 2025
- Total value
- $16.3B
- +$2.76B (+20.4%) vs. Q4 2025
- New holders
- 85
- 261 more added
- Sold out
- 113
- 228 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HOLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 22 | $117.5M |
| Q1 2026 | 706 | $16.3B |
| Q4 2025 | 751 | $16.0B |
| Q3 2025 | 740 | $14.4B |
| Q2 2025 | 693 | $14.3B |
| Q1 2025 | 706 | $13.6B |
| Q4 2024 | 718 | $16.4B |
| Q3 2024 | 730 | $18.6B |
| Q2 2024 | 705 | $16.6B |
| Q1 2024 | 707 | $17.3B |
| Q4 2023 | 736 | $16.1B |
| Q3 2023 | 696 | $16.0B |
| Q2 2023 | 714 | $18.8B |
| Q1 2023 | 711 | $19.0B |
| Q4 2022 | 698 | $17.8B |
| Q3 2022 | 654 | $15.4B |
| Q2 2022 | 696 | $16.9B |
| Q1 2022 | 700 | $18.1B |
| Q4 2021 | 679 | $17.9B |
| Q3 2021 | 648 | $17.5B |
| Q2 2021 | 629 | $15.9B |
| Q1 2021 | 640 | $18.0B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Hologic Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Decagon Asset Management LLP | 275,000 | $20.8M | 5.40% | −223,125−44.8% | Reduced |
| Winton Group Ltd | 275,027 | $20.8M | 0.73% | +21,707+8.6% | Added |
| Principal Financial Group Inc | 275,816 | $20.8M | 0.01% | +2,845+1.0% | Added |
| Kapitalo Investimentos Ltda | 283,575 | $21.4M | 4.04% | +283,575 | New |
| Natixis | 306,042 | $23.1M | 0.09% | +251,268+458.7% | Added |
| Gabelli & Co Investment Advisers, Inc. | 308,300 | $23.3M | 3.46% | +55,300+21.9% | Added |
| Foursixthree Capital LP | 309,800 | $23.4M | 10.06% | +309,800 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 320,882 | $24.3M | 0.06% | +26,770+9.1% | Added |
| Two Sigma Investments, LP | 328,504 | $24.8M | 0.02% | +243,300+285.5% | Added |
| Jones Financial Companies LLLP | 346,740 | $26.2M | 0.01% | +343,091+9,402.3% | Added |
| Price T Rowe Associates Inc | 353,877 | $26.8M | 0.00% | −8,796−2.4% | Reduced |
| BNP Paribas Arbitrage, SA | 355,982 | $26.9M | 0.02% | +3,076+0.9% | Added |
| Dimensional Fund Advisors LP | 357,911 | $27.1M | 0.01% | −1,902,141−84.2% | Reduced |
| Retirement Systems of Alabama | 364,151 | $27.5M | 0.09% | −820.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 368,011 | $27.8M | 0.03% | −272,172−42.5% | Reduced |
| Gabelli Funds LLC | 382,142 | $28.9M | 0.20% | +96,400+33.7% | Added |
| California State Teachers Retirement System | 385,252 | $29.1M | 0.03% | −12,231−3.1% | Reduced |
| Maven Securities LTD | 387,450 | $29.3M | 1.70% | +287,450+287.5% | Added |
| Vanguard Asset Management, Ltd | 394,500 | $29.8M | 0.03% | +394,500 | New |
| PSquared Asset Management AG | 405,920 | $30.7M | 10.68% | +405,920 | New |
| Alpine Associates Management Inc. | 432,210 | $32.7M | 1.93% | −3,140−0.7% | Reduced |
| Oddo BHF Asset Management SAS | 440,000 | $33.3M | 1.31% | +440,000 | New |
| Capitolis Liquid Global Markets LLC | 445,385 | $33.7M | 0.21% | +445,385 | New |
| Westchester Capital Management, LLC | 455,304 | $34.4M | 1.67% | +135,570+42.4% | Added |
| Capula Management Ltd | 465,126 | $35.2M | 0.31% | +268,942+137.1% | Added |
| Natixis Advisors, L.P. | 468,620 | $35.4M | 0.05% | +99,653+27.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 485,545 | $36.7M | 0.06% | +311,747+179.4% | Added |
| Vanguard Global Advisers, LLC | 486,783 | $36.8M | 0.02% | +486,783 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 495,881 | $37.5M | 0.03% | +30,833+6.6% | Added |
| Caxton Associates LLP | 515,637 | $39.0M | 0.90% | +515,637 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 521,877 | $39.4M | 0.03% | −36,101−6.5% | Reduced |
| California Public Employees Retirement System | 523,815 | $39.6M | 0.02% | −82,742−13.6% | Reduced |
| Citigroup Inc | 537,511 | $40.6M | 0.03% | +142,582+36.1% | Added |
| Swedbank AB | 544,066 | $41.1M | 0.04% | −22,981−4.1% | Reduced |
| Water Island Capital LLC | 560,045 | $42.3M | 5.64% | +92,303+19.7% | Added |
| Rhumbline Advisers | 564,642 | $42.7M | 0.04% | +13,871+2.5% | Added |
| Toronto Dominion Bank | 567,153 | $42.9M | 0.08% | +481,515+562.3% | Added |
| Verition Fund Management LLC | 578,395 | $43.7M | 0.42% | +300,167+107.9% | Added |
| Quantinno Capital Management LP | 580,740 | $43.9M | 0.07% | +5,754+1.0% | Added |
| Polar Asset Management Partners Inc. | 586,038 | $44.3M | 1.05% | +100,015+20.6% | Added |
| Storebrand Asset Management AS | 587,205 | $44.4M | 0.13% | −133,153−18.5% | Reduced |
| LMR Partners LLP | 598,714 | $45.3M | 0.42% | +158,767+36.1% | Added |
| Laurion Capital Management LP | 604,506 | $45.7M | 4.29% | +604,506 | New |
| FMR LLC | 604,606 | $45.7M | 0.00% | +132,519+28.1% | Added |
| Ameriprise Financial Inc | 618,084 | $46.7M | 0.01% | −198,206−24.3% | Reduced |
| ING Groep NV | 627,305 | $47.4M | 0.29% | +598,541+2,080.9% | Added |
| Nuveen, LLC | 631,881 | $47.8M | 0.01% | +135,029+27.2% | Added |
| HSBC Holdings PLC | 644,333 | $48.7M | 0.03% | +26,087+4.2% | Added |
| Picton Mahoney Asset Management | 650,514 | $49.2M | 0.51% | +149,300+29.8% | Added |
| Swiss National Bank | 664,640 | $50.2M | 0.03% | +55,200+9.1% | Added |
| Mackenzie Financial Corp | 676,423 | $51.1M | 0.06% | −339,914−33.4% | Reduced |
| Alberta Investment Management Corp | 734,000 | $55.5M | 0.34% | +45,700+6.6% | Added |
| Barclays PLC | 746,127 | $56.4M | 0.02% | +277,107+59.1% | Added |
| Man Group plc | 761,747 | $57.6M | 0.12% | +93,052+13.9% | Added |
| Highbridge Capital Management LLC | 821,157 | $62.0M | 3.94% | +209,297+34.2% | Added |
| Kryger Capital LLC | 821,131 | $62.1M | 4.39% | +821,131 | New |
| Adage Capital Partners GP, L.L.C. | 858,013 | $64.9M | 0.10% | −193,246−18.4% | Reduced |
| National Bank of Canada | 864,725 | $65.4M | 0.07% | +719,915+497.1% | Added |
| SG Americas Securities, LLC | 932,831 | $70.5M | 0.08% | +511,591+121.4% | Added |
| Alliancebernstein L.P. | 1,018,319 | $75.9M | 0.02% | −431,197−29.7% | Reduced |
| Woodline Partners LP | 1,009,039 | $76.3M | 0.29% | +11,149+1.1% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 1,013,552 | $76.6M | 1.05% | +137,130+15.6% | Added |
| CNH Partners LLC | 1,048,664 | $79.3M | 1.30% | +629,007+149.9% | Added |
| Citadel Advisors LLC | 1,090,660 | $82.4M | 0.06% | +452,018+70.8% | Added |
| Bank of New York Mellon Corp | 1,136,595 | $85.9M | 0.02% | −75,768−6.2% | Reduced |
| Bank of Nova Scotia | 1,143,287 | $86.4M | 0.15% | +1,049,115+1,114.0% | Added |
| Squarepoint Ops LLC | 1,152,092 | $87.1M | 0.19% | +118,025+11.4% | Added |
| SEI Investments Co | 1,195,073 | $90.3M | 0.08% | −25,463−2.1% | Reduced |
| Absolute Gestao de Investimentos Ltda. | 1,206,999 | $91.2M | 10.42% | +576,250+91.4% | Added |
| Weiss Asset Management LP | 1,230,436 | $93.0M | 1.70% | +1,230,436 | New |
| Vanguard Fiduciary Trust Co | 1,252,673 | $94.7M | 0.02% | +1,252,673 | New |
| Vivaldi Asset Management, LLC | 1,327,989 | $100.4M | 5.27% | +1,018,432+329.0% | Added |
| TIG Advisors, LLC | 1,335,117 | $100.9M | 4.82% | +140,309+11.7% | Added |
| Neuberger Berman Group LLC | 1,361,861 | $102.9M | 0.08% | +420,364+44.6% | Added |
| Legal & General Group Plc | 1,413,564 | $106.9M | 0.02% | +99,960+7.6% | Added |
| Amundi | 1,469,196 | $111.1M | 0.03% | +145,287+11.0% | Added |
| DekaBank Deutsche Girozentrale | 1,475,379 | $113.3M | 0.19% | 00.0% | Unchanged |
| Syquant Capital SAS | 1,523,025 | $115.1M | 17.98% | +1,396,725+1,105.9% | Added |
| Highland Capital Management Fund Advisors, L.P. | 1,541,860 | $116.5M | 8.13% | +682,820+79.5% | Added |
| Davidson Kempner Capital Management LP | 1,619,115 | $122.4M | 2.17% | +898,692+124.7% | Added |
| Earnest Partners LLC | 1,842,926 | $139.3M | 0.57% | −47,557−2.5% | Reduced |
| Charles Schwab Investment Management Inc | 2,157,358 | $163.1M | 0.02% | +61,396+2.9% | Added |
| Deutsche Bank AG | 2,173,847 | $164.3M | 0.05% | +553,318+34.1% | Added |
| Tudor Investment Corp Et Al | 2,196,804 | $166.1M | 0.89% | +587,404+36.5% | Added |
| Bank of America Corp | 2,254,024 | $170.4M | 0.01% | −680,131−23.2% | Reduced |
| UBS Asset Management Americas Inc | 2,299,022 | $173.8M | 0.04% | +236,716+11.5% | Added |
| Goldman Sachs Group Inc | 2,322,673 | $175.6M | 0.02% | +1,316,484+130.8% | Added |
| Northern Trust Corp | 2,676,190 | $202.3M | 0.03% | −44,583−1.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 2,921,130 | $220.8M | 0.12% | −101,949−3.4% | Reduced |
| O'Connor Alternative Investments LLC | 3,118,178 | $235.7M | 12.36% | +3,118,178 | New |
| Qube Research & Technologies Ltd | 3,131,196 | $236.7M | 0.34% | +1,015,653+48.0% | Added |
| Invesco Ltd. | 3,164,586 | $239.2M | 0.02% | −426,945−11.9% | Reduced |
| JPMorgan Chase & Co | 3,301,493 | $249.4M | 0.02% | +1,618,203+96.1% | Added |
| Glazer Capital, LLC | 3,563,652 | $269.4M | 5.72% | +3,195,274+867.4% | Added |
| Morgan Stanley | 3,573,011 | $270.1M | 0.02% | +1,210,935+51.3% | Added |
| Pentwater Capital Management LP | 4,500,224 | $340.2M | 2.42% | +252,724+5.9% | Added |
| Balyasny Asset Management LLC | 4,722,968 | $357.0M | 0.70% | +3,114,628+193.7% | Added |
| UBS Group AG | 5,089,745 | $384.7M | 0.07% | +1,950,084+62.1% | Added |
| Millennium Management LLC | 5,651,225 | $427.2M | 0.32% | +2,151,209+61.5% | Added |
| Geode Capital Management, LLC | 6,058,845 | $456.3M | 0.03% | +139,832+2.4% | Added |