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Equibles

HOLX

HOLOGIC INC

Company with tickers: HOLX

CIK
859737
CUSIP
436440101
Shares Outstanding
223,244,905
13F Activity (30d)
332 filings 324 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: 699
Total Value: $16,438,265,181
Total Shares: 217,466,142
Showing 1–100 of 719 holdings by value · page 1 of 8

Institutional Ownership Trend

25 quarters

Superinvestors Holding HOLX

All superinvestors →
George Soros $76,614,395 Mario Gabelli $907,231 Ray Dalio $854,393

Holder Concentration

Across 699 13F filers · Δ vs Dec 31, 2025
Top Holder
10.4%
Jun 2023 → Mar 2026 · range 10.2% – 17.2%
+0.2 pts
Top 5
30.5%
Jun 2023 → Mar 2026 · range 30.5% – 47.3%
−9.6 pts
Top 10
44.0%
Jun 2023 → Mar 2026 · range 44.0% – 58.0%
−8.9 pts
HHI
291
Jun 2023 → Mar 2026 · range 291 – 616
Broadly held−110

Quarterly Activity

vs Dec 31, 2025
New
163
Increased
220
Decreased
189
Sold Out
120
Unchanged
127
Holder count: +43
Institutional value: +127.7%
Shares held: +124.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega FIL Ltd +2,594,148 7,821,581
Mega UBS Group AG +1,950,084 5,089,745
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

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
Large Schonfeld Strategic Advisors LLC −549,516 249,872

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega BlackRock, Inc. 22,520,444 $1,702,320,350
Mega VANGUARD CAPITAL MANAGEMENT LLC 14,503,914 $1,096,350,859
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 9,620,600 $727,221,154
Mega MILLENNIUM MANAGEMENT LLC 5,656,425 $427,569,165
Large Balyasny Asset Management L.P. 4,722,968 $357,009,151

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 2,605,031 $194,048,759
Small KRYGER CAPITAL Ltd 727,335 $54,179,184
Small Sand Grove Capital Management LLP 377,962 $28,154,389
Mid Cinctive Capital Management LP 210,000 $15,642,900
Mid Aquatic Capital Management LLC 177,038 $13,187,560
Filter: New 163 Increased 220 Reduced 189 Sold out 120 Unchanged 127
Showing 100 of 719
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,702,320,350 10.36% 22,520,444
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,096,350,859 6.67% 14,503,914
Mega STATE STREET CORP $755,212,584 4.59% 9,990,906
Mid HBK INVESTMENTS L P $740,782,000 4.51% 9,800,000
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $727,221,154 4.42% 9,620,600
Mega FIL Ltd $591,233,307 3.60% 7,821,581
Mega GEODE CAPITAL MANAGEMENT, LLC $457,988,092 2.79% 6,058,845
Mega MILLENNIUM MANAGEMENT LLC $427,176,097 2.60% 5,651,225
Mega UBS Group AG $384,733,823 2.34% 5,089,745
Large Balyasny Asset Management L.P. $357,009,151 2.17% 4,722,968
Large Pentwater Capital Management LP $340,171,932 2.07% 4,500,224
Mega MORGAN STANLEY $270,083,896 1.64% 3,573,011
Mid GLAZER CAPITAL, LLC $269,376,454 1.64% 3,563,652
Mega JPMORGAN CHASE & CO $249,559,847 1.52% 3,301,493
Mega Invesco Ltd. $239,211,053 1.46% 3,164,586
Large Qube Research & Technologies Ltd $236,687,105 1.44% 3,131,196
Mid O'Connor Alternative Investments LLC $235,703,075 1.43% 3,118,178
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $220,808,216 1.34% 2,921,130
Mega NORTHERN TRUST CORP Bank $202,293,197 1.23% 2,676,190
Mega GOLDMAN SACHS GROUP INC $175,570,851 1.07% 2,322,673
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $173,783,067 1.06% 2,299,022
Mega BANK OF AMERICA CORP /DE/ Bank $170,381,672 1.04% 2,254,024
Large TUDOR INVESTMENT CORP ET AL $166,056,414 1.01% 2,196,804
Mega DEUTSCHE BANK AG\ Bank $164,321,088 1.00% 2,173,847
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $163,074,691 0.99% 2,157,358
Large EARNEST PARTNERS LLC $139,306,776 0.85% 1,842,926
Mid Davidson Kempner Capital Management LP $122,388,902 0.74% 1,619,115
Mid NEXPOINT ASSET MANAGEMENT, L.P. $116,549,196 0.71% 1,541,860
Small SYQUANT CAPITAL SAS $115,125,459 0.70% 1,523,025
Large DekaBank Deutsche Girozentrale Bank $111,523,898 0.68% 1,475,379
Mega Amundi $111,056,524 0.68% 1,469,196
Mega Legal & General Group Plc $106,851,302 0.65% 1,413,564
Mega NEUBERGER BERMAN GROUP LLC $102,943,072 0.63% 1,361,861
Mid TIG Advisors, LLC $100,921,494 0.61% 1,335,117
Mid First Trust Capital Management L.P. $100,382,687 0.61% 1,327,989
Mega VANGUARD FIDUCIARY TRUST CO Bank $94,689,552 0.58% 1,252,673
Mid Weiss Asset Management LP $93,008,657 0.57% 1,230,436
Small Absolute Gestao de Investimentos Ltda. $91,237,054 0.56% 1,206,999
Large SEI INVESTMENTS CO $90,335,567 0.55% 1,195,073
Large Squarepoint Ops LLC $87,086,634 0.53% 1,152,092
Large BANK OF NOVA SCOTIA Bank $86,421,064 0.53% 1,143,287
Mega Bank of New York Mellon Corp Bank $85,915,206 0.52% 1,136,595
Mega CITADEL ADVISORS LLC $82,442,989 0.50% 1,090,660
Mid AQR Arbitrage LLC $79,268,511 0.48% 1,048,664
Mega ALLIANCEBERNSTEIN L.P. $76,974,733 0.47% 1,018,319
Mid SOROS FUND MANAGEMENT LLC $76,614,395 0.47% 1,013,552
Large Woodline Partners LP $76,273,258 0.46% 1,009,039
Large SG Americas Securities, LLC Broker-Dealer $70,512,695 0.43% 932,831
Large NATIONAL BANK OF CANADA /FI/ Bank $65,364,562 0.40% 864,725
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $64,857,202 0.39% 858,013
Small HIGHBRIDGE CAPITAL MANAGEMENT LLC $62,071,257 0.38% 821,157
Mid Kryger Capital LLC $62,069,292 0.38% 821,131
Large Man Group plc $57,580,455 0.35% 761,747
Mega BARCLAYS PLC $56,399,738 0.34% 746,127
Mid Alberta Investment Management Corp $55,483,060 0.34% 734,000
Large MACKENZIE FINANCIAL CORP $51,130,814 0.31% 676,423
Mega Swiss National Bank Bank $50,240,137 0.31% 664,640
Mid PICTON MAHONEY ASSET MANAGEMENT $49,172,353 0.30% 650,514
Mega HSBC HOLDINGS PLC $48,705,127 0.30% 644,333
Mega Nuveen, LLC $47,763,883 0.29% 631,881
Large ING GROEP NV $47,417,984 0.29% 627,305
Mega AMERIPRISE FINANCIAL INC $46,720,968 0.28% 618,084
Mega FMR LLC $45,702,166 0.28% 604,606
Mid Laurion Capital Management LP $45,694,608 0.28% 604,506
Large LMR Partners LLP $45,256,790 0.28% 598,714
Large STOREBRAND ASSET MANAGEMENT AS $44,386,825 0.27% 587,205
Mid Polar Asset Management Partners Inc. $44,298,612 0.27% 586,038
Large Quantinno Capital Management LP $43,898,136 0.27% 580,740
Large Verition Fund Management LLC $43,720,878 0.27% 578,395
Large TORONTO DOMINION BANK Bank $42,871,094 0.26% 567,153
Mega RHUMBLINE ADVISERS $42,681,288 0.26% 564,642
Small WATER ISLAND CAPITAL LLC $42,333,801 0.26% 560,045
Large Swedbank AB Bank $41,125,948 0.25% 544,066
Mega CITIGROUP INC $40,630,455 0.25% 537,511
Mega California Public Employees Retirement System Pension $39,595,175 0.24% 523,815
Mega Sumitomo Mitsui Trust Group, Inc. $39,448,682 0.24% 521,877
Mid CAXTON ASSOCIATES LLP $38,977,000 0.24% 515,637
Mega Mitsubishi UFJ Asset Management Co., Ltd. $37,483,644 0.23% 495,881
Mega Vanguard Global Advisers, LLC $36,795,926 0.22% 486,783
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $36,702,346 0.22% 485,545
Large NATIXIS ADVISORS, LLC $35,422,985 0.22% 468,620
Mid Capula Management Ltd $35,158,873 0.21% 465,126
Small EQUITEC PROPRIETARY MARKETS, LLC $34,544,630 0.21% 457,000
Mid Westchester Capital Management, LLC $34,416,428 0.21% 455,304
Large CAPITOLIS LIQUID GLOBAL MARKETS LLC $33,666,652 0.20% 445,385
Mid ODDO BHF ASSET MANAGEMENT SAS $33,259,600 0.20% 440,000
Mid ALPINE ASSOCIATES MANAGEMENT INC. $32,670,753 0.20% 432,210
Small PSquared Asset Management AG $30,683,492 0.19% 405,920
Mega VANGUARD ASSET MANAGEMENT, Ltd $29,820,255 0.18% 394,500
Small Maven Securities LTD Broker-Dealer $29,287,345 0.18% 387,450
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $29,121,198 0.18% 385,252
Large GABELLI FUNDS LLC $28,886,113 0.18% 382,142
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $27,817,951 0.17% 368,011
Large Retirement Systems of Alabama Pension $27,526,174 0.17% 364,151
Mega DIMENSIONAL FUND ADVISORS LP $27,054,491 0.16% 357,911
Mega BNP PARIBAS ARBITRAGE, SA $26,908,679 0.16% 355,982
Mega PRICE T ROWE ASSOCIATES INC /MD/ $26,749,562 0.16% 353,877
Large JONES FINANCIAL COMPANIES LLLP $26,210,076 0.16% 346,740
Mega TWO SIGMA INVESTMENTS, LP $24,831,617 0.15% 328,504
Large Grantham, Mayo, Van Otterloo & Co. LLC $24,255,470 0.15% 320,882

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