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Equibles

HOLX

HOLOGIC INC

Company with tickers: HOLX

CIK
859737
CUSIP
436440101
Shares Outstanding
223,244,905
13F Activity (30d)
201 filings 195 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 626
Total Value: $9,493,368,343
Total Shares: 125,590,273
Showing 1–100 of 638 holdings by value · page 1 of 7

Institutional Ownership Trend

25 quarters

Superinvestors Holding HOLX

All superinvestors →
George Soros $76,614,395 Ray Dalio $854,393 Mario Gabelli $260,715

Holder Concentration

Across 626 13F filers · Δ vs Dec 31, 2025
Top Holder
13.3%
Jun 2023 → Mar 2026 · range 9.3% – 13.3%
+4.0 pts
Top 5
39.9%
Jun 2023 → Mar 2026 · range 36.6% – 42.1%
+3.3 pts
Top 10
49.9%
Jun 2023 → Mar 2026 · range 49.3% – 54.1%
+0.5 pts
HHI
433
Jun 2023 → Mar 2026 · range 348 – 460
Broadly held+85

Quarterly Activity

vs Dec 31, 2025
New
89
Increased
219
Decreased
191
Sold Out
144
Unchanged
127
Holder count: -55
Institutional value: +20.1%
Shares held: +18.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid HBK INVESTMENTS L P +1,400,000 9,800,000
Small SYQUANT CAPITAL SAS +1,396,725 1,523,025
Large NATIONAL BANK OF CANADA /FI/ +719,915 864,725
Mid NEXPOINT ASSET MANAGEMENT, L.P. +682,820 1,541,860
Mid AQR Arbitrage LLC +629,007 1,048,664

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE −9,326,891 114,957
Mega AMERICAN CENTURY COMPANIES INC −825,391 52,652
Large Assenagon Asset Management S.A. −655,800 10,253
Mid Quinn Opportunity Partners LLC −601,821 91,779
Mega TD Asset Management Inc −450,259 86,893

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 31,225,837 $2,360,361,018
Mid O'Connor Alternative Investments LLC 3,118,178 $235,703,075
Mega VANGUARD FIDUCIARY TRUST CO 1,252,673 $94,689,552
Mid Weiss Asset Management LP 1,230,436 $93,008,657
Large BANK OF NOVA SCOTIA 1,143,287 $86,421,064

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega FIL Ltd 5,227,433 $389,391,484
Mega UBS Group AG 3,139,661 $233,873,346
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 3,023,079 $225,189,154
Mid OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 2,605,031 $194,048,759
Large Qube Research & Technologies Ltd 2,115,543 $157,586,798
Filter: New 89 Increased 219 Reduced 191 Sold out 144 Unchanged 127
Showing 100 of 638
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,264,010,159 13.31% 16,721,923
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,096,350,859 11.55% 14,503,914
Mega STATE STREET CORP $755,212,584 7.96% 9,990,906
Mid HBK INVESTMENTS L P $740,782,000 7.80% 9,800,000
Mega GEODE CAPITAL MANAGEMENT, LLC $457,988,092 4.82% 6,058,845
Mid O'Connor Alternative Investments LLC $235,703,075 2.48% 3,118,178
Mega NORTHERN TRUST CORP Bank $202,293,197 2.13% 2,676,190
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $173,783,067 1.83% 2,299,022
Large TUDOR INVESTMENT CORP ET AL $166,056,414 1.75% 2,196,804
Mega DEUTSCHE BANK AG\ Bank $164,321,088 1.73% 2,173,847
Mid NEXPOINT ASSET MANAGEMENT, L.P. $116,549,196 1.23% 1,541,860
Small SYQUANT CAPITAL SAS $115,125,459 1.21% 1,523,025
Large DekaBank Deutsche Girozentrale Bank $111,523,898 1.17% 1,475,379
Mega Legal & General Group Plc $106,851,302 1.13% 1,413,564
Mega NEUBERGER BERMAN GROUP LLC $102,943,072 1.08% 1,361,861
Mid TIG Advisors, LLC $100,921,494 1.06% 1,335,117
Mega VANGUARD FIDUCIARY TRUST CO Bank $94,689,552 1.00% 1,252,673
Mid Weiss Asset Management LP $93,008,657 0.98% 1,230,436
Small Absolute Gestao de Investimentos Ltda. $91,237,054 0.96% 1,206,999
Large SEI INVESTMENTS CO $90,335,567 0.95% 1,195,073
Large Squarepoint Ops LLC $87,086,634 0.92% 1,152,092
Large BANK OF NOVA SCOTIA Bank $86,421,064 0.91% 1,143,287
Mid AQR Arbitrage LLC $79,268,511 0.83% 1,048,664
Mid SOROS FUND MANAGEMENT LLC $76,614,395 0.81% 1,013,552
Large SG Americas Securities, LLC Broker-Dealer $70,512,695 0.74% 932,831
Large NATIONAL BANK OF CANADA /FI/ Bank $65,364,562 0.69% 864,725
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $64,857,202 0.68% 858,013
Mid Kryger Capital LLC $62,069,292 0.65% 821,131
Large Man Group plc $57,580,455 0.61% 761,747
Mid Alberta Investment Management Corp $55,483,060 0.58% 734,000
Mega Swiss National Bank Bank $50,240,137 0.53% 664,640
Mega HSBC HOLDINGS PLC $48,705,127 0.51% 644,333
Mega Nuveen, LLC $47,763,883 0.50% 631,881
Large ING GROEP NV $47,417,984 0.50% 627,305
Mid Laurion Capital Management LP $45,694,608 0.48% 604,506
Large STOREBRAND ASSET MANAGEMENT AS $44,386,825 0.47% 587,205
Large Quantinno Capital Management LP $43,898,136 0.46% 580,740
Mega RHUMBLINE ADVISERS $42,681,288 0.45% 564,642
Small WATER ISLAND CAPITAL LLC $42,333,801 0.45% 560,045
Large Swedbank AB Bank $41,125,948 0.43% 544,066
Mega CITIGROUP INC $40,630,455 0.43% 537,511
Mega California Public Employees Retirement System Pension $39,595,175 0.42% 523,815
Mid CAXTON ASSOCIATES LLP $38,977,000 0.41% 515,637
Mega Mitsubishi UFJ Asset Management Co., Ltd. $37,483,644 0.39% 495,881
Mega Vanguard Global Advisers, LLC $36,795,926 0.39% 486,783
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $36,702,346 0.39% 485,545
Large NATIXIS ADVISORS, LLC $35,422,985 0.37% 468,620
Mid Capula Management Ltd $35,158,873 0.37% 465,126
Small EQUITEC PROPRIETARY MARKETS, LLC $34,544,630 0.36% 457,000
Large CAPITOLIS LIQUID GLOBAL MARKETS LLC $33,666,652 0.35% 445,385
Mid ODDO BHF ASSET MANAGEMENT SAS $33,259,600 0.35% 440,000
Mid ALPINE ASSOCIATES MANAGEMENT INC. $32,670,753 0.34% 432,210
Small PSquared Asset Management AG $30,683,492 0.32% 405,920
Mega VANGUARD ASSET MANAGEMENT, Ltd $29,820,255 0.31% 394,500
Small Maven Securities LTD Broker-Dealer $29,287,345 0.31% 387,450
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $29,121,198 0.31% 385,252
Large GABELLI FUNDS LLC $28,886,113 0.30% 382,142
Large Retirement Systems of Alabama Pension $27,526,174 0.29% 364,151
Mega BNP PARIBAS ARBITRAGE, SA $26,908,679 0.28% 355,982
Large JONES FINANCIAL COMPANIES LLLP $26,210,076 0.28% 346,740
Mega TWO SIGMA INVESTMENTS, LP $24,831,617 0.26% 328,504
Small FOURSIXTHREE CAPITAL LP $23,417,782 0.25% 309,800
Small FOURSIXTHREE CAPITAL LP $23,417,782 0.25% 309,800
Small GABELLI & Co INVESTMENT ADVISERS, INC. $23,304,397 0.25% 308,300
Large NATIXIS $23,133,714 0.24% 306,042
Small Kapitalo Investimentos Ltda $21,435,434 0.23% 283,575
Mega PRINCIPAL FINANCIAL GROUP INC $20,848,930 0.22% 275,816
Mid WINTON GROUP Ltd $20,789,290 0.22% 275,027
Small Decagon Asset Management LLP $20,787,250 0.22% 275,000
Large Pictet Asset Management Holding SA $20,517,091 0.22% 271,426
Small Taconic Capital Advisors LP $20,298,560 0.21% 268,535
Mid Groupe la Francaise $19,345,067 0.20% 255,921
Mid Sagefield Capital LP $18,517,583 0.20% 244,974
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $17,325,228 0.18% 229,200
Mid NINE MASTS CAPITAL Ltd $16,977,967 0.18% 224,606
Small EQUITEC PROPRIETARY MARKETS, LLC $16,445,889 0.17% 217,567
Large Eurizon Capital SGR S.p.A. $16,145,721 0.17% 213,596
Small CIBRA Capital Ltd $15,798,007 0.17% 208,996
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $15,707,602 0.17% 207,800
Small CREDIT INDUSTRIEL ET COMMERCIAL $15,439,257 0.16% 204,250
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $15,408,492 0.16% 203,843
Small Yakira Capital Management, Inc. $15,013,156 0.16% 198,613
Large Mitsubishi UFJ Trust & Banking Corp $14,907,935 0.16% 197,221
Small Athos Capital Ltd $14,883,671 0.16% 196,900
Large Aberdeen Group plc $14,658,487 0.15% 193,921
Large AVIVA PLC $14,486,294 0.15% 191,643
Large ExodusPoint Capital Management, LP $14,141,528 0.15% 187,082
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $13,562,508 0.14% 179,422
Small Twin Securities, Inc. Broker-Dealer $13,533,331 0.14% 179,036
Large Walleye Trading LLC $13,349,194 0.14% 176,600
Mid Governors Lane LP $13,301,118 0.14% 175,964
Large Universal- Beteiligungs- und Servicegesellschaft mbH $12,895,654 0.14% 170,600
Mid MUFG Securities EMEA plc Broker-Dealer $12,625,722 0.13% 167,029
Mid State of Alaska, Department of Revenue $12,424,425 0.13% 164,366
Small HARVEST MANAGEMENT LLC $12,343,847 0.13% 163,300
Large DANSKE BANK A/S Bank $12,093,718 0.13% 159,991
Mid NICHOLAS COMPANY, INC. $11,745,930 0.12% 155,390
Small STONEHILL CAPITAL MANAGEMENT LLC $11,585,452 0.12% 153,267
Small T3 Companies, LLC $11,283,772 0.12% 149,276
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $11,224,359 0.12% 148,490

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