MYGN · Myriad Genetics Inc · Holdings
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.
Institutional Ownership Trend
Holder Concentration
Across 197 13F filersWho Holds MYGN
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 197 filers, like-for-like change +1.2%; actively managed books -1.3%; index-like books +5.9%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 46.7% | 108 | +7.6% |
| Exempt adviser | 3.3% | 3 | -16.8% |
| Adviser | 2.6% | 5 | -39.4% |
| Bank | 9.2% | 14 | +4.9% |
| Insurer | 0.7% | 1 | +61.9% |
| Benefit plan | 0.6% | 5 | -14.0% |
| Non-US | 0.9% | 7 | -27.4% |
| Holding company | 19.8% | 7 | +8.5% |
| Broker-dealer | 0.0% | 0 | — |
| Unknown | 16.2% | 47 | -8.7% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 36.2% | 26 | +5.9% |
| Systematic-like | 19.4% | 22 | -5.2% |
| Concentrated | 0.3% | 24 | -96.0% |
| Diversified active | 44.1% | 124 | +16.8% |
| Unknown | 0.0% | 1 | new |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 41.0% | 108 | +5.2% |
| Medium turnover | 19.1% | 40 | -12.1% |
| High turnover | 30.5% | 37 | +2.8% |
| Unknown | 9.4% | 12 | +11.5% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 10.4% | 25 | -2.6% |
| Medium horizon | 22.8% | 27 | +57.4% |
| Long horizon | 59.9% | 132 | +1.9% |
| Unknown | 6.9% | 13 | -53.4% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 0.8% | 31 | +115.0% |
| $1B to $10B | 8.9% | 45 | -24.3% |
| $10B to $100B | 21.9% | 65 | +2.9% |
| $100B or more | 68.3% | 56 | +4.6% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 1.1% | 46 | +69.0% |
| Pooled investment vehicles | 22.9% | 25 | +7.7% |
| Registered funds and BDCs | 14.6% | 14 | +8.3% |
| Pension and profit sharing plans | 0.1% | 2 | +86.5% |
| Insurance companies | 0.2% | 3 | -0.4% |
| Governments and sovereign funds | 0.4% | 2 | -63.4% |
| Other investment advisers | 0.0% | 3 | +44.8% |
| Other | 0.0% | 1 | 0.0% |
| Diversified | 7.4% | 12 | +10.1% |
| Unknown | 53.3% | 89 | -3.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 31.5% | 35 | -0.2% |
| Private equity funds | 0.4% | 10 | +66.7% |
| Venture capital funds | 0.0% | 1 | +112.5% |
| Real estate funds | 0.0% | 3 | +125.3% |
| Securitized asset funds | 0.0% | 1 | -100.0% |
| Other private funds | 3.5% | 14 | +104.7% |
| Mixed private funds | 0.3% | 2 | +4.1% |
| Private funds, type not stated | 0.2% | 3 | -6.3% |
| No private funds | 14.0% | 42 | +7.7% |
| Unknown | 50.1% | 86 | -2.8% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 88.0% | 169 | +0.9% |
| Outside the US | 12.0% | 28 | +3.2% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 1 holder with no observed 2026-03-31 13F and 3 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
197 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 42.2% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies MYGN's active holders also own, quarter ended Sep 30, 2025| # | Company | Shared holders |
|---|---|---|
| 1 | AMZN Amazon Com Inc | 3 |
Shareholder Targets
13F filers that own its peers but not MYGN, quarter ended Sep 30, 2025Found through its holder-overlap peers: AMZN. 5,380 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | Capital Research Global Investors Adviser, Diversified active | $20,702,149,106 1 held | AMZN |
| 2 | Capital International Investors Adviser, Diversified active | $14,033,699,519 1 held | AMZN |
| 3 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $12,847,774,060 1 held | AMZN |
| 4 | JENNISON ASSOCIATES LLC Registered adviser, Diversified active | $9,719,726,487 1 held | AMZN |
| 5 | Capital World Investors Adviser, Diversified active | $9,557,550,110 1 held | AMZN |
| 6 | BAILLIE GIFFORD & CO Adviser, Diversified active | $6,951,391,660 1 held | AMZN |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser, Diversified active | $6,215,369,742 1 held | AMZN |
| 8 | Sumitomo Mitsui Trust Group, Inc. Bank, Index-like | $5,821,839,924 1 held | AMZN |
| 9 | HSBC HOLDINGS PLC Unknown, Index-like | $5,552,258,016 1 held | AMZN |
| 10 | BANK OF MONTREAL /CAN/ Bank, Diversified active | $4,998,158,855 1 held | AMZN |
Fund Ownership of MYGN by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 18.16% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 3.36% | 3,209,222 |
| Index ETFs | 14.80% | 14,158,670 |
| Active ETFs | 1.53% | 1,459,448 |
| Active funds | 8.46% | 8,090,094 |
| Unclassified | 1.64% | 1,568,342 |
| All registered funds | 29.78% | 28,485,776 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $62,184,407 | 12.31% | 10,890,440 | Shares | 2026-08-07 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $37,802,324 | 7.48% | 6,620,372 | Shares | 2026-08-14 | |
| Mid Vestal Point Capital, LP Registered adviser | $32,746,850 | 6.48% | 5,735,000 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $28,464,692 | 5.63% | 4,985,060 | Shares | 2026-09-22 | |
| Mega D. E. Shaw & Co., Inc. | $26,163,693 | 5.18% | 4,582,083 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $23,304,656 | 4.61% | 4,081,376 | Shares | 2026-08-13 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $17,855,015 | 3.53% | 3,126,973 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $17,584,915 | 3.48% | 3,079,670 | Shares | 2026-08-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $15,797,791 | 3.13% | 2,766,689 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $14,167,101 | 2.80% | 2,481,104 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $13,796,484 | 2.73% | 2,416,197 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $11,744,572 | 2.32% | 2,056,843 | Shares | 2026-08-14 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC Registered adviser | $10,800,619 | 2.14% | 1,891,527 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $9,939,933 | 1.97% | 1,740,794 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $9,511,917 | 1.88% | 1,665,835 | Shares | 2026-08-14 | |
| Large FEDERATED HERMES, INC. Adviser | $8,966,492 | 1.77% | 1,570,314 | Shares | 2026-08-12 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $8,894,621 | 1.76% | 1,557,727 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $8,825,084 | 1.75% | 1,545,549 | Shares | 2026-08-11 | |
| Large MACKENZIE FINANCIAL CORP Registered adviser | $8,768,858 | 1.74% | 1,535,702 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $8,757,335 | 1.73% | 1,533,684 | Shares | 2026-09-02 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $8,038,880 | 1.59% | 1,407,860 | Shares | 2026-08-13 | |
| Large Aberdeen Group plc Holding company | $7,474,007 | 1.48% | 1,308,933 | Shares | 2026-07-31 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $6,982,210 | 1.38% | 1,222,804 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $6,006,895 | 1.19% | 1,051,996 | Shares | 2026-08-11 | |
| Mega NORTHERN TRUST CORP Bank | $5,246,666 | 1.04% | 918,856 | Shares | 2026-08-13 | |
| Large Man Group plc | $5,188,865 | 1.03% | 908,733 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $5,149,825 | 1.02% | 901,896 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $4,469,588 | 0.88% | 782,765 | Shares | 2026-08-13 | |
| Mega FMR LLC Holding company | $4,409,358 | 0.87% | 772,217 | Shares | 2026-08-13 | |
| Large Assenagon Asset Management S.A. | $4,043,577 | 0.80% | 938,185 | Shares | 2026-10-15 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $3,555,171 | 0.70% | 622,622 | Shares | 2026-08-13 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $3,523,429 | 0.70% | 617,063 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $3,097,469 | 0.61% | 542,464 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $3,097,423 | 0.61% | 542,456 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC Registered adviser | $2,653,134 | 0.53% | 464,647 | Shares | 2026-08-03 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $2,567,998 | 0.51% | 449,737 | Shares | 2026-08-13 | |
| Mid OP Asset Management Ltd | $2,567,313 | 0.51% | 449,617 | Shares | 2026-07-28 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $2,341,830 | 0.46% | 410,128 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $2,190,921 | 0.43% | 383,699 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $1,929,647 | 0.38% | 337,942 | Shares | 2026-08-06 | |
| Mid Militia Capital Management LLC Registered adviser | $1,720,994 | 0.34% | 301,400 | Shares | 2026-08-12 | |
| Mega UBS Group AG Bank | $1,680,715 | 0.33% | 294,346 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $1,519,190 | 0.30% | 266,058 | Shares | 2026-08-14 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $1,489,081 | 0.29% | 260,785 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC Registered adviser | $1,455,301 | 0.29% | 254,869 | Shares | 2026-08-11 | |
| Large Point72 Asset Management, L.P. Registered adviser | $1,363,410 | 0.27% | 238,776 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $1,353,407 | 0.27% | 237,024 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $1,305,071 | 0.26% | 228,559 | Shares | 2026-08-14 | |
| Large ExodusPoint Capital Management, LP Registered adviser | $1,211,542 | 0.24% | 212,179 | Shares | 2026-08-14 | |
| Mid Voleon Capital Management LP Registered adviser | $1,209,132 | 0.24% | 211,757 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC Adviser | $1,178,850 | 0.23% | 206,454 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $1,178,826 | 0.23% | 206,450 | Shares | 2026-08-06 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $1,169,670 | 0.23% | 204,846 | Shares | 2026-08-06 | |
| Mid MOORE CAPITAL MANAGEMENT, LP Registered adviser | $1,076,483 | 0.21% | 188,526 | Shares | 2026-08-14 | |
| Large Jump Financial, LLC | $1,033,567 | 0.20% | 181,010 | Shares | 2026-08-13 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $1,027,331 | 0.20% | 179,918 | Shares | 2026-08-13 | |
| Mid MARTINGALE ASSET MANAGEMENT L P Registered adviser | $1,019,497 | 0.20% | 178,546 | Shares | 2026-08-13 | |
| Mega VOYA INVESTMENT MANAGEMENT LLC Registered adviser | $842,647 | 0.17% | 147,574 | Shares | 2026-08-12 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $837,051 | 0.17% | 146,594 | Shares | 2026-08-14 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Non-US | $790,264 | 0.16% | 138,400 | Shares | 2026-08-14 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser | $758,584 | 0.15% | 132,852 | Shares | 2026-08-03 | |
| Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Benefit plan | $756,968 | 0.15% | 132,569 | Shares | 2026-08-17 | |
| Mid Engineers Gate Manager LP | $712,430 | 0.14% | 124,769 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $687,501 | 0.14% | 120,403 | Shares | 2026-08-12 | |
| Mega CITIGROUP INC Bank | $667,041 | 0.13% | 116,820 | Shares | 2026-08-03 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $593,548 | 0.12% | 103,949 | Shares | 2026-08-14 | |
| Large Mariner, LLC Registered adviser | $555,445 | 0.11% | 97,276 | Shares | 2026-08-13 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $554,298 | 0.11% | 97,075 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $515,253 | 0.10% | 90,237 | Shares | 2026-08-07 | |
| Mid Jaffetilchin Investment Partners, LLC Registered adviser | $512,803 | 0.10% | 89,808 | Shares | 2026-10-20 | |
| Mid State of Wyoming | $508,489 | 0.10% | 117,979 | Shares | 2026-10-28 | |
| Mega AMERICAN CENTURY COMPANIES INC | $490,300 | 0.10% | 85,867 | Shares | 2026-08-12 | |
| Large Rafferty Asset Management, LLC Registered adviser | $478,617 | 0.09% | 83,821 | Shares | 2026-08-14 | |
| Large ZACKS INVESTMENT MANAGEMENT Registered adviser | $464,748 | 0.09% | 81,392 | Shares | 2026-08-13 | |
| Mega Creative Planning Registered adviser | $419,713 | 0.08% | 73,505 | Shares | 2026-08-13 | |
| Large MERCER GLOBAL ADVISORS INC /ADV Registered adviser | $416,578 | 0.08% | 72,956 | Shares | 2026-08-19 | |
| Large LOS ANGELES CAPITAL MANAGEMENT LLC Registered adviser | $396,930 | 0.08% | 69,515 | Shares | 2026-08-13 | |
| Large Cerity Partners LLC Registered adviser | $375,916 | 0.07% | 65,835 | Shares | 2026-08-14 | |
| Mega SEI INVESTMENTS CO Holding company | $375,512 | 0.07% | 65,764 | Shares | 2026-08-14 | |
| Large OSAIC HOLDINGS, INC. Holding company | $373,171 | 0.07% | 65,354 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $361,905 | 0.07% | 63,381 | Shares | 2026-08-14 | |
| Mid HARBOR CAPITAL ADVISORS, INC. Registered adviser | $349,342 | 0.07% | 81,054 | Shares | 2026-10-22 | |
| Large Quantinno Capital Management LP Registered adviser | $340,121 | 0.07% | 59,566 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO Bank | $326,730 | 0.06% | 57,221 | Shares | 2026-08-12 | |
| Mid UMB Bank, n.a. | $325,470 | 0.06% | 57,000 | Shares | 2026-08-13 | |
| Large MetLife Investment Management, LLC Registered adviser | $315,974 | 0.06% | 55,337 | Shares | 2026-08-14 | |
| Large NewEdge Advisors, LLC Registered adviser | $299,118 | 0.06% | 52,385 | Shares | 2026-08-12 | |
| Mega SG Americas Securities, LLC Non-US | $294,881 | 0.06% | 51,643 | Shares | 2026-08-07 | |
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Adviser | $285,500 | 0.06% | 50,000 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $284,739 | 0.06% | 49,867 | Shares | 2026-08-14 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $255,122 | 0.05% | 44,680 | Shares | 2026-08-14 | |
| Large Quadrature Capital Ltd | $252,182 | 0.05% | 44,165 | Shares | 2026-08-07 | |
| Mid PROFUND ADVISORS LLC Registered adviser | $243,742 | 0.05% | 42,687 | Shares | 2026-08-11 | |
| Small EntryPoint Capital, LLC Registered adviser | $227,469 | 0.05% | 39,837 | Shares | 2026-08-13 | |
| Small Verdad Advisers, LP | $214,125 | 0.04% | 37,500 | Shares | 2026-08-14 | |
| Small AXQ CAPITAL, LP Registered adviser | $211,966 | 0.04% | 37,122 | Shares | 2026-08-06 | |
| Large Balyasny Asset Management L.P. Registered adviser | $210,470 | 0.04% | 36,860 | Shares | 2026-08-14 | |
| Small AIMZ Investment Advisors, LLC Registered adviser | $205,902 | 0.04% | 36,060 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $184,433 | 0.04% | 32,300 | Call | 2026-09-02 | |
| Mid Graham Capital Management, L.P. Registered adviser | $164,470 | 0.03% | 28,804 | Shares | 2026-08-14 |
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