MYGN Institutional Ownership & Shareholders
MYRIAD GENETICS INC (MYGN) is currently held by 192 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $505.90M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MYGN tracked by InsiderSet, reporting ownership valued at approximately $62.18M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $46.61M, representing an estimated loss of -25.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed MYGN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Millennium Management Llc, Vestal Point Capital, Lp, and several other long-term asset managers with concentrated positions in MYRIAD GENETICS INC (MYGN).
This page ranks the largest institutional MYGN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
192
Total Reported Value
$505.90M
Largest Holder
Blackrock, Inc.
Largest Position
$62.18M
Insider Transactions (90d)
4
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 10,890,440 | $62,184,412 | $46,611,083 | -$15,573,329 | -25.04% | |
| Millennium Management Llc | 0.03% | 6,620,372 | $37,802,324 | $28,335,192 | -$9,467,132 | -25.04% | |
| Vestal Point Capital, Lp | 0.77% | 5,735,000 | $32,746,850 | $24,545,800 | -$8,201,050 | -25.04% | |
| State Street Corp | 0.00% | 4,985,060 | $28,464,693 | $21,336,057 | -$7,128,636 | -25.04% | |
| D. E. Shaw & Co., Inc. | 0.02% | 4,582,083 | $26,163,694 | $19,611,315 | -$6,552,379 | -25.04% | |
| Vanguard Capital Management Llc | 0.00% | 4,081,376 | $23,304,657 | $17,468,289 | -$5,836,368 | -25.04% | |
| Acadian Asset Management Llc | 0.02% | 3,126,973 | $17,840,000 | $13,383,444 | -$4,456,556 | -24.98% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,079,670 | $17,584,916 | $13,180,988 | -$4,403,928 | -25.04% | |
| Aqr Capital Management Llc | 0.01% | 2,766,689 | $15,797,792 | $11,841,429 | -$3,956,363 | -25.04% | |
| Morgan Stanley | 0.00% | 2,481,104 | $14,167,103 | $10,619,125 | -$3,547,978 | -25.04% | |
| Geode Capital Management, Llc | 0.00% | 2,416,197 | $13,800,073 | $10,341,323 | -$3,458,750 | -25.06% | |
| Goldman Sachs Group Inc | 0.00% | 2,056,843 | $11,744,574 | $8,803,288 | -$2,941,286 | -25.04% | |
| Jacobs Levy Equity Management, Inc | 0.04% | 1,891,527 | $10,800,619 | $8,095,736 | -$2,704,883 | -25.04% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,740,794 | $9,939,934 | $7,450,598 | -$2,489,336 | -25.04% | |
| Qube Research & Technologies Ltd | 0.01% | 1,665,835 | $9,511,918 | $7,129,774 | -$2,382,144 | -25.04% | |
| Federated Hermes, Inc. | 0.01% | 1,570,314 | $8,966,493 | $6,720,944 | -$2,245,549 | -25.04% | |
| Two Sigma Investments, Lp | 0.01% | 1,557,727 | $8,894,621 | $6,667,072 | -$2,227,549 | -25.04% | |
| Nuveen, Llc | 0.00% | 1,545,549 | $8,825,085 | $6,614,950 | -$2,210,135 | -25.04% | |
| Mackenzie Financial Corp | 0.01% | 1,535,702 | $8,768,858 | $6,572,805 | -$2,196,053 | -25.04% | |
| Citadel Advisors Llc | 0.01% | 1,533,684 | $8,757,335 | $6,564,168 | -$2,193,167 | -25.04% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | 1,407,860 | $8,038,880 | $6,025,641 | -$2,013,239 | -25.04% | |
| Aberdeen Group Plc | 0.01% | 1,308,933 | $7,474,007 | $5,602,233 | -$1,871,774 | -25.04% | |
| Marshall Wace, Llp | 0.01% | 1,222,804 | $6,982,210 | $5,233,601 | -$1,748,609 | -25.04% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,051,996 | $6,008,336 | $4,502,543 | -$1,505,793 | -25.06% | |
| Assenagon Asset Management S.A. | 0.01% | 1,031,464 | $5,889,659 | $4,414,666 | -$1,474,993 | -25.04% | |
| Northern Trust Corp | 0.00% | 918,856 | $5,246,667 | $3,932,704 | -$1,313,963 | -25.04% | |
| Man Group Plc | 0.01% | 908,733 | $5,188,865 | $3,889,377 | -$1,299,488 | -25.04% | |
| Bank Of America Corp | 0.00% | 901,896 | $5,149,827 | $3,860,115 | -$1,289,712 | -25.04% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 782,765 | $4,469,588 | $3,350,234 | -$1,119,354 | -25.04% | |
| Fmr Llc | 0.00% | 772,217 | $4,409,357 | $3,305,089 | -$1,104,268 | -25.04% | |
| Vanguard Fiduciary Trust Co | 0.00% | 622,622 | $3,555,172 | $2,664,822 | -$890,350 | -25.04% | |
| Prudential Financial Inc | 0.00% | 617,063 | $3,523,430 | $2,641,030 | -$882,400 | -25.04% | |
| Wells Fargo & Company/Mn | 0.00% | 542,456 | $3,097,426 | $2,321,712 | -$775,714 | -25.04% | |
| Hrt Financial Lp | 0.01% | 542,464 | $3,097,000 | $2,321,746 | -$775,254 | -25.03% | |
| Walleye Capital Llc | 0.01% | 464,647 | $2,653,134 | $1,988,689 | -$664,445 | -25.04% | |
| Bnp Paribas Financial Markets | 0.00% | 449,737 | $2,567,998 | $1,924,874 | -$643,124 | -25.04% | |
| State Of Wisconsin Investment Board | 0.00% | 410,128 | $2,341,831 | $1,755,348 | -$586,483 | -25.04% | |
| Squarepoint Ops Llc | 0.00% | 383,699 | $2,190,921 | $1,642,232 | -$548,689 | -25.04% | |
| Bank Of New York Mellon Corp | 0.00% | 337,942 | $1,929,647 | $1,446,392 | -$483,255 | -25.04% | |
| Militia Capital Management Llc | 0.31% | 301,400 | $1,720,994 | $1,289,992 | -$431,002 | -25.04% | |
| Ubs Group Ag | 0.00% | 294,346 | $1,680,715 | $1,259,801 | -$420,914 | -25.04% | |
| Invesco Ltd. | 0.00% | 266,058 | $1,519,191 | $1,138,728 | -$380,463 | -25.04% | |
| Ameriprise Financial Inc | 0.00% | 260,785 | $1,489,082 | $1,116,160 | -$372,922 | -25.04% | |
| Ieq Capital, Llc | 0.01% | 254,869 | $1,455,302 | $1,090,839 | -$364,463 | -25.04% | |
| Point72 Asset Management, L.P. | 0.00% | 238,776 | $1,363,411 | $1,021,961 | -$341,450 | -25.04% | |
| Xtx Topco Ltd | 0.02% | 237,024 | $1,353,407 | $1,014,463 | -$338,944 | -25.04% | |
| Jain Global Llc | 0.02% | 228,559 | $1,305,072 | $978,233 | -$326,839 | -25.04% | |
| Exoduspoint Capital Management, Lp | 0.01% | 212,179 | $1,211,542 | $908,126 | -$303,416 | -25.04% | |
| Voleon Capital Management Lp | 0.02% | 211,757 | $1,209,132 | $906,320 | -$302,812 | -25.04% | |
| Russell Investments Group, Ltd. | 0.00% | 206,450 | $1,180,989 | $883,606 | -$297,383 | -25.18% |
Frequently asked questions about MYGN
Who are the largest institutional holders of MYGN?
The largest institutional holders of MYGN reported in the latest SEC Form 13F filings include Blackrock, Inc., Millennium Management Llc, Vestal Point Capital, Lp, State Street Corp, and D. E. Shaw & Co., Inc.. InsiderSet ranks institutional holders by their latest reported MYGN position.
What is MYGN institutional ownership?
This page tracks MYGN positions reported by institutional investment managers through SEC Form 13F. MYRIAD GENETICS INC (MYGN) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own MYGN?
InsiderSet currently tracks 192 institutional managers reporting MYGN holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of MYGN shareholders.
How much MYGN stock do institutions own?
Institutional investment managers disclosed approximately $505.90M in MYGN holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was MYGN institutional ownership last updated?
The latest MYGN institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional MYGN holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its MYGN position after the reporting date.
Are institutions buying or selling MYGN?
Institutional buying and selling can be analyzed by comparing MYGN positions across consecutive 13F reporting periods. InsiderSet's MYGN Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View MYGN ownership changes.
How has MYGN institutional ownership changed over time?
InsiderSet tracks MYGN institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.