MYRIAD GENETICS INC (MYGN) Institutional Shareholders
MYRIAD GENETICS INC (MYGN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $495.48M in MYGN holdings during the latest filing period.
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 $34.85M, representing an estimated loss of -43.96% 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
196
Total Reported Value
$495.48M
Largest Holder
Blackrock, Inc.
Largest Position
$62.18M
Insider Transactions (90d)
13
Latest Filing Quarter
Q2 2026
New Institutional Positions
59
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 | $34,849,408 | -$27,335,004 | -43.96% | |
| Millennium Management Llc | 0.03% | 6,620,372 | $37,802,324 | $21,185,190 | -$16,617,134 | -43.96% | |
| Vestal Point Capital, Lp | 0.77% | 5,735,000 | $32,746,850 | $18,352,000 | -$14,394,850 | -43.96% | |
| State Street Corp | 0.00% | 4,985,060 | $28,464,693 | $15,952,192 | -$12,512,501 | -43.96% | |
| D. E. Shaw & Co., Inc. | 0.02% | 4,582,083 | $26,163,694 | $14,662,666 | -$11,501,028 | -43.96% | |
| Vanguard Capital Management Llc | 0.00% | 4,081,376 | $23,304,657 | $13,060,403 | -$10,244,254 | -43.96% | |
| Vanguard Portfolio Management Llc | 0.00% | 3,079,670 | $17,584,916 | $9,854,944 | -$7,729,972 | -43.96% | |
| Aqr Capital Management Llc | 0.01% | 2,766,689 | $15,797,792 | $8,853,405 | -$6,944,387 | -43.96% | |
| Morgan Stanley | 0.00% | 2,481,104 | $14,167,103 | $7,939,533 | -$6,227,570 | -43.96% | |
| Geode Capital Management, Llc | 0.00% | 2,416,197 | $13,800,073 | $7,731,830 | -$6,068,243 | -43.97% | |
| Goldman Sachs Group Inc | 0.00% | 2,056,843 | $11,744,574 | $6,581,898 | -$5,162,676 | -43.96% | |
| Jacobs Levy Equity Management, Inc | 0.04% | 1,891,527 | $10,800,619 | $6,052,886 | -$4,747,733 | -43.96% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,740,794 | $9,939,934 | $5,570,541 | -$4,369,393 | -43.96% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 1,740,794 | $9,939,934 | $5,570,541 | -$4,369,393 | -43.96% | |
| Qube Research & Technologies Ltd | 0.01% | 1,665,835 | $9,511,918 | $5,330,672 | -$4,181,246 | -43.96% | |
| Federated Hermes, Inc. | 0.01% | 1,570,314 | $8,966,493 | $5,025,005 | -$3,941,488 | -43.96% | |
| Two Sigma Investments, Lp | 0.01% | 1,557,727 | $8,894,621 | $4,984,726 | -$3,909,895 | -43.96% | |
| Nuveen, Llc | 0.00% | 1,545,549 | $8,825,085 | $4,945,757 | -$3,879,328 | -43.96% | |
| Mackenzie Financial Corp | 0.01% | 1,535,702 | $8,768,858 | $4,914,246 | -$3,854,612 | -43.96% | |
| Citadel Advisors Llc | 0.01% | 1,533,684 | $8,757,335 | $4,907,789 | -$3,849,546 | -43.96% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | 1,407,860 | $8,038,880 | $4,505,152 | -$3,533,728 | -43.96% | |
| Aberdeen Group Plc | 0.01% | 1,308,933 | $7,474,007 | $4,188,586 | -$3,285,421 | -43.96% | |
| Marshall Wace, Llp | 0.01% | 1,222,804 | $6,982,210 | $3,912,973 | -$3,069,237 | -43.96% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,051,996 | $6,008,336 | $3,366,387 | -$2,641,949 | -43.97% | |
| Assenagon Asset Management S.A. | 0.01% | 1,031,464 | $5,889,659 | $3,300,685 | -$2,588,974 | -43.96% | |
| Northern Trust Corp | 0.00% | 918,856 | $5,246,667 | $2,940,339 | -$2,306,328 | -43.96% | |
| Man Group Plc | 0.01% | 908,733 | $5,188,865 | $2,907,946 | -$2,280,919 | -43.96% | |
| Bank Of America Corp | 0.00% | 901,896 | $5,149,827 | $2,886,067 | -$2,263,760 | -43.96% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 782,765 | $4,469,588 | $2,504,848 | -$1,964,740 | -43.96% | |
| Fmr Llc | 0.00% | 772,217 | $4,409,357 | $2,471,094 | -$1,938,263 | -43.96% | |
| Vanguard Fiduciary Trust Co | 0.00% | 622,622 | $3,555,172 | $1,992,390 | -$1,562,782 | -43.96% | |
| Prudential Financial Inc | 0.00% | 617,063 | $3,523,430 | $1,974,602 | -$1,548,828 | -43.96% | |
| Wells Fargo & Company/Mn | 0.00% | 542,456 | $3,097,426 | $1,735,859 | -$1,361,567 | -43.96% | |
| Walleye Capital Llc | 0.01% | 464,647 | $2,653,134 | $1,486,870 | -$1,166,264 | -43.96% | |
| Bnp Paribas Financial Markets | 0.00% | 449,737 | $2,567,998 | $1,439,158 | -$1,128,840 | -43.96% | |
| Op Asset Management Ltd | 0.03% | 449,617 | $2,567,313 | $1,438,774 | -$1,128,539 | -43.96% | |
| State Of Wisconsin Investment Board | 0.00% | 410,128 | $2,341,831 | $1,312,410 | -$1,029,421 | -43.96% | |
| Squarepoint Ops Llc | 0.00% | 383,699 | $2,190,921 | $1,227,837 | -$963,084 | -43.96% | |
| Bank Of New York Mellon Corp | 0.00% | 337,942 | $1,929,647 | $1,081,414 | -$848,233 | -43.96% | |
| Militia Capital Management Llc | 0.31% | 301,400 | $1,720,994 | $964,480 | -$756,514 | -43.96% | |
| Ubs Group Ag | 0.00% | 294,346 | $1,680,715 | $941,907 | -$738,808 | -43.96% | |
| Invesco Ltd. | 0.00% | 266,058 | $1,519,191 | $851,386 | -$667,805 | -43.96% | |
| Ameriprise Financial Inc | 0.00% | 260,785 | $1,489,082 | $834,512 | -$654,570 | -43.96% | |
| Ieq Capital, Llc | 0.01% | 254,869 | $1,455,302 | $815,581 | -$639,721 | -43.96% | |
| Point72 Asset Management, L.P. | 0.00% | 238,776 | $1,363,411 | $764,083 | -$599,328 | -43.96% | |
| Xtx Topco Ltd | 0.02% | 237,024 | $1,353,407 | $758,477 | -$594,930 | -43.96% | |
| Jain Global Llc | 0.02% | 228,559 | $1,305,072 | $731,389 | -$573,683 | -43.96% | |
| Exoduspoint Capital Management, Lp | 0.01% | 212,179 | $1,211,542 | $678,973 | -$532,569 | -43.96% | |
| Voleon Capital Management Lp | 0.02% | 211,757 | $1,209,132 | $677,622 | -$531,510 | -43.96% | |
| Russell Investments Group, Ltd. | 0.00% | 206,450 | $1,180,989 | $660,640 | -$520,349 | -44.06% |
Frequently asked questions about MYGN
Who owns the most MYGN stock?
The largest holders of MYGN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MYRIAD GENETICS INC (MYGN).
Is MYGN widely held by superinvestors?
Many widely followed stocks like MYGN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MYGN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.