MYRIAD GENETICS INC MYGN
COM · Common Stock · CUSIP 62855J104
American biotechnology company
- SectorHealth care
- IndustryIn Vitro & In Vivo Diagnostic Substances
- HeadquartersSalt Lake City, UT
- Founded1992
- Websitemyriad.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.3m this quarter). Holder counts are more reliable. Shares outstanding: 93.2m as of 2025-10-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $7.23. Options: 6 managers hold calls ($954.2k notional), 3 hold puts ($138.6k).
Trends to Q3 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 190 |
| Q4 2022 | 196 |
| Q1 2023 | 190 |
| Q2 2023 | 188 |
| Q3 2023 | 186 |
| Q4 2023 | 194 |
| Q1 2024 | 186 |
| Q2 2024 | 223 |
| Q3 2024 | 246 |
| Q4 2024 | 221 |
| Q1 2025 | 229 |
| Q2 2025 | 222 |
| Q3 2025 | 221 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2023 | 99 | 80 |
| Q1 2024 | 93 | 91 |
| Q2 2024 | 122 | 79 |
| Q3 2024 | 130 | 95 |
| Q4 2024 | 115 | 131 |
| Q1 2025 | 112 | 105 |
| Q2 2025 | 130 | 102 |
| Q3 2025 | 115 | 105 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2024 | $4.1m | $283.8k | 0.07 |
| Q1 2025 | $854.1k | $170.4k | 0.20 |
| Q2 2025 | $2.5m | $105.4k | 0.04 |
| Q3 2025 | $954.2k | $138.6k | 0.15 |
Biggest buyers
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +1.5m |
| Assenagon Asset Management S.A. | Added | +979.1k |
| ALGERT GLOBAL LLC | New | +913.1k |
| GOLDMAN SACHS GROUP INC | Added | +868.3k |
| ROYCE & ASSOCIATES LP | New | +670.0k |
| HRT FINANCIAL LP | Added | +650.7k |
| Vestal Point Capital, LP | New | +600.0k |
| AQR CAPITAL MANAGEMENT LLC | Added | +538.2k |
| Point72 Asset Management, L.P. | Added | +535.9k |
| JPMORGAN CHASE & CO | Added | +438.9k |
Biggest sellers
| VANGUARD GROUP INC | Reduced | -1.4m |
| Kent Lake PR LLC | Sold out | -1.2m |
| Portolan Capital Management, LLC | Sold out | -1.2m |
| CITADEL ADVISORS LLC | Reduced | -1.1m |
| MORGAN STANLEY | Reduced | -937.2k |
| Qube Research & Technologies Ltd | Reduced | -865.1k |
| Anson Funds Management LP | Reduced | -841.9k |
| DISCIPLINED GROWTH INVESTORS INC /MN | Sold out | -754.0k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -426.7k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -377.3k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $432.4k59.8k shares |
| GROUP ONE TRADING LLC | Added | $238.6k33.0k shares |
| WOLVERINE TRADING, LLC | Added | $144.7k20.0k shares |
| SIMPLEX TRADING, LLC | Added | $93.0k13.0k shares |
| Walleye Capital LLC | Reduced | $45.5k6.3k shares |
| FNY Investment Advisers, LLC | New | $014 shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $135.9k18.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $2.0k300 shares |
| Walleye Capital LLC | New | $723100 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock Portfolio Management LLC 13G · institution -1.8 pts · filed 2026-10-27 | 8.6% |
| BlackRock, Inc. 13G · institution -6.8 pts · filed 2026-04-07 | 8.5% |
| INTEGRATED CORE STRATEGIES (US) LLC 13G · passive investor +2.1 pts · filed 2026-02-11 | 7.2% |
| Vestal Point Capital, LP 13G · institution new · filed 2026-08-14 | 6.1% |
| STATE STREET CORP 13G · institution +0.6 pts · filed 2026-08-07 | 5.3% |
Fell to 5% or below in the last year: GLENVIEW CAPITAL MANAGEMENT, LLC (0.0%, 2026-08-14), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q3 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2023 | 0 | — | 1 | $1.0m | $1.0m |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 3 | $6.1m | $167.0k |
| Q3 2024 | 0 | — | 6 | $2.5m | $1.9m |
| Q4 2024 | 0 | — | 1 | $343.9k | $343.9k |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
None reported in Q3 2025.
Holders, Q3 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 14.9m $107.6m | Reduced -192.8k |
| VANGUARD GROUP INC 0.00% of their portfolio | 7.9m $57.0m | Reduced -1.4m |
| STATE STREET CORP 0.00% of their portfolio | 5.0m $36.0m | Added +166.5k |
| MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio | 4.7m $34.3m | Reduced -176.4k |
| GLENVIEW CAPITAL MANAGEMENT, LLC 0.81% of their portfolio | 4.6m $33.2m | Unchanged |
| D. E. Shaw & Co., Inc. 0.03% of their portfolio | 4.6m $33.0m | Added +47.6k |
| MORGAN STANLEY 0.00% of their portfolio | 3.6m $26.2m | Reduced -937.2k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.07% of their portfolio | 2.4m $17.7m | Added +1.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.2m $16.1m | Added +2.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.2m $15.6m | Added +868.3k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.7m $12.3m | Reduced -377.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.7m $12.1m | Added +342.9k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 1.6m $11.5m | Added +538.2k |
| Assenagon Asset Management S.A. 0.01% of their portfolio | 1.3m $9.4m | Added +979.1k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 1.3m $9.2m | Reduced -15.9k |
| Connor, Clark & Lunn Investment Management Ltd. 0.03% of their portfolio | 1.3m $9.2m | Reduced -111.1k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 1.2m $8.6m | Reduced -865.1k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.1m $8.2m | Added +176.8k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 1.1m $8.2m | Added +7.2k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.1m $8.0m | Added +438.9k |
| Point72 Asset Management, L.P. 0.02% of their portfolio | 1.1m $7.8m | Added +535.9k |
| ALGERT GLOBAL LLC 0.11% of their portfolio | 913.1k $6.6m | New |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 810.5k $5.9m | Reduced -158.6k |
| HRT FINANCIAL LP 0.03% of their portfolio | 790.6k $5.7m | Added +650.7k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 728.7k $5.3m | Added +184.2k |
| Nuveen, LLC 0.00% of their portfolio | 724.9k $5.2m | Reduced -14.1k |
| ROYCE & ASSOCIATES LP 0.05% of their portfolio | 670.0k $4.8m | New |
| Aberdeen Group plc 0.01% of their portfolio | 639.1k $4.6m | Added +409.5k |
| Vestal Point Capital, LP 0.20% of their portfolio | 600.0k $4.3m | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 585.0k $4.2m | Reduced -40.2k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 572.1k $4.1m | Reduced -1.1m |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 543.1k $3.9m | Added +126.6k |
| Cubist Systematic Strategies, LLC 0.05% of their portfolio | 531.2k $3.8m | Added +265.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 508.2k $3.7m | Added +79.5k |
| Anson Funds Management LP 0.40% of their portfolio | 504.4k $3.6m | Reduced -841.9k |
| Invesco Ltd. 0.00% of their portfolio | 495.2k $3.6m | Added +6.1k |
| UBS Group AG 0.00% of their portfolio | 492.6k $3.6m | Reduced -304.3k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 488.5k $3.5m | Added +72.0k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 449.1k $3.2m | Reduced -7.7k |
| NORDEA INVESTMENT MANAGEMENT AB 0.00% of their portfolio | 416.2k $3.0m | Added +13.3k |
| AMH Equity Ltd 3.63% of their portfolio | 400.0k $2.9m | Added +100.0k |
| Walleye Capital LLC 0.02% of their portfolio | 399.9k $2.9m | Added +354.4k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 399.5k $2.9m | Added +342.8k |
| Trexquant Investment LP 0.03% of their portfolio | 399.3k $2.9m | New |
| FMR LLC 0.00% of their portfolio | 398.2k $2.9m | Added +49.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 384.7k $2.8m | Added +125.7k |
| Susquehanna Portfolio Strategies, LLC 0.04% of their portfolio | 383.7k $2.8m | Reduced -72.5k |
| Public Sector Pension Investment Board 0.01% of their portfolio | 362.9k $2.6m | Added +48.7k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 333.4k $2.4m | Added +45.4k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 308.1k $2.2m | Unchanged |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 298.8k $2.2m | Reduced -238.6k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 290.0k $2.1m | Reduced -14.9k |
| BARCLAYS PLC 0.00% of their portfolio | 289.2k $2.1m | Reduced -57.5k |
| Legal & General Group Plc 0.00% of their portfolio | 233.3k $1.7m | Reduced -4.4k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 224.0k $1.6m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 200.9k $1.5m | Reduced -174.7k |
| Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio | 185.1k $1.3m | Added +81.1k |
| Swiss National Bank 0.00% of their portfolio | 176.3k $1.3m | Unchanged |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 173.2k $1.3m | Added +90.8k |
| Jump Financial, LLC 0.01% of their portfolio | 161.6k $1.2m | Added +151.0k |
| IEQ CAPITAL, LLC 0.00% of their portfolio | 161.5k $1.2m | Added +85.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 156.9k $1.1m | Reduced -114.2k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 144.9k $1.0m | New |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 137.3k $992.4k | Added +78.2k |
| Janney Montgomery Scott LLC 0.00% of their portfolio | 132.2k $956.0k | Reduced -31.4k |
| Weiss Asset Management LP 0.01% of their portfolio | 130.3k $942.4k | Not comparable |
| Verition Fund Management LLC 0.01% of their portfolio | 129.5k $936.4k | Added +101.9k |
| Squarepoint Ops LLC 0.00% of their portfolio | 118.3k $855.4k | Reduced -30.0k |
| Voleon Capital Management LP 0.02% of their portfolio | 114.5k $828.0k | Added +45.9k |
| Rafferty Asset Management, LLC 0.00% of their portfolio | 112.8k $815.4k | Reduced -163 |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 108.5k $784.3k | Reduced -234.2k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 106.8k $772.4k | Reduced -8.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 103.7k $749.5k | Added +18.9k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 102.4k $740.2k | Added +30.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 101.2k $731.9k | Added +1.8k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 100.7k $727.8k | Added +25.7k |
| Engineers Gate Manager LP 0.01% of their portfolio | 99.2k $717.6k | Added +20.4k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 86.6k $625.0k | Added +1.3k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 81.4k $588.5k | New |
| Inspire Investing, LLC 0.06% of their portfolio | 79.7k $576.1k | Reduced -4.8k |
| Cerity Partners LLC 0.00% of their portfolio | 79.6k $575.2k | Added +57.1k |
| CITIGROUP INC 0.00% of their portfolio | 79.5k $574.7k | Reduced -44.3k |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 78.3k $566.0k | Reduced -16.4k |
| Creative Planning 0.00% of their portfolio | 77.7k $561.9k | Added +43.8k |
| Jain Global LLC 0.01% of their portfolio | 77.5k $560.1k | Reduced -15.7k |
| Headlands Technologies LLC 0.04% of their portfolio | 76.4k $552.3k | Reduced -7.5k |
| MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio | 74.0k $535.2k | New |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 71.0k $513.0k | Unchanged |
| CWM, LLC 0.00% of their portfolio | 63.3k $458.0k | Added +39.0k |
| Pathstone Holdings, LLC 0.00% of their portfolio | 62.4k $451.2k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 60.3k $436.0k | Added +5.1k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 55.8k $403.3k | Added +45.5k |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 55.4k $400.9k | Added +21.8k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 53.3k $385.2k | Reduced -505 |
| Atom Investors LP 0.03% of their portfolio | 53.1k $384.1k | Added +33.5k |
| State of Alaska, Department of Revenue 0.00% of their portfolio | 51.5k $371.0k | Reduced -3.5k |
| Aquatic Capital Management LLC 0.01% of their portfolio | 50.9k $367.9k | First filing |
| MACQUARIE GROUP LTD 0.00% of their portfolio | 50.0k $362.0k | Unchanged |
| MARSHALL WACE, LLP 0.00% of their portfolio | 47.7k $344.8k | Reduced -20.3k |
| Louisiana State Employees Retirement System 0.01% of their portfolio | 42.8k $309.4k | Reduced -300 |