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.
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
- −30 vs. Q4 2025
- Shares held
- 215.5M
- +25.5M (+13.4%) vs. Q4 2025
- Total value
- $16.3B
- +$2.12B (+15.0%) vs. Q4 2025
- New holders
- 85
- 259 more added
- Sold out
- 115
- 230 more reduced
15 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 | 4 | $112.0M |
| Q1 2026 | 706 | $16.3B |
| Q4 2025 | 751 | $16.4B |
| Q3 2025 | 740 | $14.5B |
| Q2 2025 | 693 | $14.3B |
| Q1 2025 | 706 | $13.6B |
| Q4 2024 | 718 | $16.5B |
| Q3 2024 | 730 | $18.8B |
| Q2 2024 | 705 | $16.7B |
| Q1 2024 | 707 | $18.1B |
| Q4 2023 | 736 | $16.4B |
| Q3 2023 | 696 | $16.1B |
| Q2 2023 | 714 | $18.8B |
| Q1 2023 | 711 | $19.1B |
| Q4 2022 | 699 | $17.8B |
| Q3 2022 | 655 | $15.5B |
| Q2 2022 | 696 | $16.9B |
| Q1 2022 | 700 | $18.2B |
| Q4 2021 | 679 | $18.0B |
| 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 |
|---|---|---|---|---|---|
| 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 |
| Pentwater Capital Management LP | 4,500,224 | $340.2M | 2.42% | +252,724+5.9% | Added |
| Morgan Stanley | 3,573,011 | $270.1M | 0.02% | +1,210,935+51.3% | Added |
| Glazer Capital, LLC | 3,563,652 | $269.4M | 5.72% | +3,195,274+867.4% | Added |
| JPMorgan Chase & Co | 3,301,493 | $249.4M | 0.02% | +1,618,203+96.1% | Added |
| Invesco Ltd. | 3,164,586 | $239.2M | 0.02% | −426,945−11.9% | Reduced |
| Qube Research & Technologies Ltd | 3,131,196 | $236.7M | 0.34% | +1,015,653+48.0% | Added |
| O'Connor Alternative Investments LLC | 3,118,178 | $235.7M | 12.36% | +3,118,178 | New |
| Arrowstreet Capital, Limited Partnership | 2,921,130 | $220.8M | 0.12% | −101,949−3.4% | Reduced |
| Northern Trust Corp | 2,676,190 | $202.3M | 0.03% | −44,583−1.6% | Reduced |
| Goldman Sachs Group Inc | 2,322,673 | $175.6M | 0.02% | +1,316,484+130.8% | Added |
| UBS Asset Management Americas Inc | 2,299,022 | $173.8M | 0.04% | +236,716+11.5% | Added |
| Bank of America Corp | 2,254,024 | $170.4M | 0.01% | −680,131−23.2% | Reduced |
| Tudor Investment Corp Et Al | 2,196,804 | $166.1M | 0.89% | +587,404+36.5% | Added |
| Deutsche Bank AG | 2,173,847 | $164.3M | 0.05% | +553,318+34.1% | Added |
| Charles Schwab Investment Management Inc | 2,157,358 | $163.1M | 0.02% | +61,396+2.9% | Added |
| Earnest Partners LLC | 1,842,926 | $139.3M | 0.57% | −47,557−2.5% | Reduced |
| Davidson Kempner Capital Management LP | 1,619,115 | $122.4M | 2.17% | +898,692+124.7% | Added |
| Highland Capital Management Fund Advisors, L.P. | 1,541,860 | $116.5M | 8.13% | +682,820+79.5% | Added |
| Syquant Capital SAS | 1,523,025 | $115.1M | 17.98% | +1,396,725+1,105.9% | Added |
| DekaBank Deutsche Girozentrale | 1,475,379 | $113.3M | 0.19% | 00.0% | Unchanged |
| Amundi | 1,469,196 | $111.1M | 0.03% | +145,287+11.0% | Added |
| Legal & General Group Plc | 1,413,564 | $106.9M | 0.02% | +99,960+7.6% | Added |
| Neuberger Berman Group LLC | 1,361,861 | $102.9M | 0.08% | +420,364+44.6% | Added |
| TIG Advisors, LLC | 1,335,117 | $100.9M | 4.82% | +140,309+11.7% | Added |
| Vivaldi Asset Management, LLC | 1,327,989 | $100.4M | 5.27% | +1,018,432+329.0% | Added |
| Vanguard Fiduciary Trust Co | 1,252,673 | $94.7M | 0.02% | +1,252,673 | New |
| Weiss Asset Management LP | 1,230,436 | $93.0M | 1.70% | +1,230,436 | New |
| Absolute Gestao de Investimentos Ltda. | 1,206,999 | $91.2M | 10.42% | +576,250+91.4% | Added |
| SEI Investments Co | 1,195,073 | $90.3M | 0.08% | −25,463−2.1% | Reduced |
| Squarepoint Ops LLC | 1,152,092 | $87.1M | 0.19% | +118,025+11.4% | Added |
| Bank of Nova Scotia | 1,143,287 | $86.4M | 0.15% | +1,049,115+1,114.0% | Added |
| Bank of New York Mellon Corp | 1,136,595 | $85.9M | 0.02% | −75,768−6.2% | Reduced |
| Citadel Advisors LLC | 1,090,660 | $82.4M | 0.06% | +452,018+70.8% | Added |
| CNH Partners LLC | 1,048,664 | $79.3M | 1.30% | +629,007+149.9% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 1,013,552 | $76.6M | 1.05% | +137,130+15.6% | Added |
| Woodline Partners LP | 1,009,039 | $76.3M | 0.29% | +11,149+1.1% | Added |
| Alliancebernstein L.P. | 1,018,319 | $75.9M | 0.02% | −431,197−29.7% | Reduced |
| SG Americas Securities, LLC | 932,831 | $70.5M | 0.08% | +511,591+121.4% | Added |
| National Bank of Canada | 864,725 | $65.4M | 0.07% | +719,915+497.1% | Added |
| Adage Capital Partners GP, L.L.C. | 858,013 | $64.9M | 0.10% | −193,246−18.4% | Reduced |
| Kryger Capital LLC | 821,131 | $62.1M | 4.39% | +821,131 | New |
| Highbridge Capital Management LLC | 821,157 | $62.0M | 3.94% | +209,297+34.2% | Added |
| Man Group plc | 761,747 | $57.6M | 0.12% | +93,052+13.9% | Added |
| Barclays PLC | 746,127 | $56.4M | 0.02% | +277,107+59.1% | Added |
| Alberta Investment Management Corp | 734,000 | $55.5M | 0.34% | +45,700+6.6% | Added |
| Mackenzie Financial Corp | 676,423 | $51.1M | 0.06% | −339,914−33.4% | Reduced |
| Swiss National Bank | 664,640 | $50.2M | 0.03% | +55,200+9.1% | Added |
| Picton Mahoney Asset Management | 650,514 | $49.2M | 0.51% | +149,300+29.8% | Added |
| HSBC Holdings PLC | 644,333 | $48.7M | 0.03% | −592,159−47.9% | Reduced |
| Nuveen, LLC | 631,881 | $47.8M | 0.01% | +135,029+27.2% | Added |
| ING Groep NV | 627,305 | $47.4M | 0.29% | +598,541+2,080.9% | Added |
| Ameriprise Financial Inc | 618,084 | $46.7M | 0.01% | −198,206−24.3% | Reduced |
| FMR LLC | 604,606 | $45.7M | 0.00% | +132,519+28.1% | Added |
| Laurion Capital Management LP | 604,506 | $45.7M | 4.29% | +604,506 | New |
| LMR Partners LLP | 598,714 | $45.3M | 0.42% | +158,767+36.1% | Added |
| Storebrand Asset Management AS | 587,205 | $44.4M | 0.13% | −133,153−18.5% | Reduced |
| Polar Asset Management Partners Inc. | 586,038 | $44.3M | 1.05% | +100,015+20.6% | Added |
| Quantinno Capital Management LP | 580,740 | $43.9M | 0.07% | +5,754+1.0% | Added |
| Verition Fund Management LLC | 578,395 | $43.7M | 0.42% | +300,167+107.9% | Added |
| Toronto Dominion Bank | 567,153 | $42.9M | 0.08% | +481,515+562.3% | Added |
| Rhumbline Advisers | 564,642 | $42.7M | 0.04% | +13,871+2.5% | Added |
| Water Island Capital LLC | 560,045 | $42.3M | 5.64% | +92,303+19.7% | Added |
| Swedbank AB | 544,066 | $41.1M | 0.04% | −22,981−4.1% | Reduced |
| Citigroup Inc | 537,511 | $40.6M | 0.03% | +142,582+36.1% | Added |
| California Public Employees Retirement System | 523,815 | $39.6M | 0.02% | −82,742−13.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 521,877 | $39.4M | 0.03% | −36,101−6.5% | Reduced |
| Caxton Associates LLP | 515,637 | $39.0M | 0.90% | +515,637 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 495,881 | $37.5M | 0.03% | +30,833+6.6% | Added |
| Vanguard Global Advisers, LLC | 486,783 | $36.8M | 0.02% | +486,783 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 485,545 | $36.7M | 0.06% | +311,747+179.4% | Added |
| Natixis Advisors, L.P. | 468,620 | $35.4M | 0.05% | +99,653+27.0% | Added |
| Capula Management Ltd | 465,126 | $35.2M | 0.31% | +268,942+137.1% | Added |
| Westchester Capital Management, LLC | 455,304 | $34.4M | 1.67% | +135,570+42.4% | Added |
| Capitolis Liquid Global Markets LLC | 445,385 | $33.7M | 0.21% | +445,385 | New |
| Oddo BHF Asset Management SAS | 440,000 | $33.3M | 1.31% | +440,000 | New |
| Alpine Associates Management Inc. | 432,210 | $32.7M | 1.93% | −3,140−0.7% | Reduced |
| PSquared Asset Management AG | 405,920 | $30.7M | 10.68% | +405,920 | New |
| Vanguard Asset Management, Ltd | 394,500 | $29.8M | 0.03% | +394,500 | New |
| Maven Securities LTD | 387,450 | $29.3M | 1.70% | +287,450+287.5% | Added |
| California State Teachers Retirement System | 385,252 | $29.1M | 0.03% | −12,231−3.1% | Reduced |
| Gabelli Funds LLC | 382,142 | $28.9M | 0.20% | +96,400+33.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 368,011 | $27.8M | 0.03% | −272,172−42.5% | Reduced |
| Retirement Systems of Alabama | 364,151 | $27.5M | 0.09% | −820.0% | Reduced |
| Dimensional Fund Advisors LP | 357,911 | $27.1M | 0.01% | −1,902,141−84.2% | Reduced |
| BNP Paribas Arbitrage, SA | 355,982 | $26.9M | 0.02% | +3,076+0.9% | Added |
| Price T Rowe Associates Inc | 353,877 | $26.8M | 0.00% | −8,796−2.4% | Reduced |
| Jones Financial Companies LLLP | 346,740 | $26.2M | 0.01% | +343,091+9,402.3% | Added |
| Two Sigma Investments, LP | 328,504 | $24.8M | 0.02% | +243,300+285.5% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 320,882 | $24.3M | 0.06% | +26,770+9.1% | Added |
| Foursixthree Capital LP | 309,800 | $23.4M | 10.06% | +309,800 | New |