MYRIAD GENETICS INC (MYGN) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $493.23M in MYGN holdings during the latest filing period.
Orbimed Advisors Llc is currently the largest disclosed institutional shareholder of MYGN tracked by InsiderSet, reporting ownership valued at approximately $122.88M in its March 31, 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 $547.50M, representing an estimated gain of +345.57% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 63% of the total disclosed MYGN value among the investors covered in this analysis. Major shareholders include Orbimed Advisors Llc, Blackrock, Inc., Millennium Management Llc, 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
199
Total Reported Value
$493.23M
Largest Holder
Orbimed Advisors Llc
Largest Position
$122.88M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
156
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Orbimed Advisors Llc | 2.68% | 125,000,000 | $122,875,000 | $547,500,000 | +$424,625,000 | +345.57% | |
| Blackrock, Inc. | 0.00% | 8,889,644 | $40,003,403 | $38,936,641 | -$1,066,762 | -2.67% | |
| Millennium Management Llc | 0.02% | 6,668,817 | $30,009,676 | $29,209,418 | -$800,258 | -2.67% | |
| Glenview Capital Management, Llc | 0.66% | 5,411,978 | $24,353,901 | $23,704,464 | -$649,437 | -2.67% | |
| D. E. Shaw & Co., Inc. | 0.02% | 4,499,724 | $20,248,758 | $19,708,791 | -$539,967 | -2.67% | |
| State Street Corp | 0.00% | 4,424,027 | $19,908,122 | $19,377,238 | -$530,884 | -2.67% | |
| Vanguard Capital Management Llc | 0.00% | 3,924,525 | $17,660,363 | $17,189,420 | -$470,944 | -2.67% | |
| Morgan Stanley | 0.00% | 3,168,742 | $14,259,341 | $13,879,090 | -$380,251 | -2.67% | |
| Vanguard Portfolio Management Llc | 0.00% | 2,582,231 | $11,620,040 | $11,310,172 | -$309,868 | -2.67% | |
| Goldman Sachs Group Inc | 0.00% | 2,366,092 | $10,647,414 | $10,363,483 | -$283,931 | -2.67% | |
| Geode Capital Management, Llc | 0.00% | 2,319,379 | $10,439,417 | $10,158,880 | -$280,537 | -2.69% | |
| Jacobs Levy Equity Management, Inc | 0.04% | 2,088,492 | $9,398,214 | $9,147,595 | -$250,619 | -2.67% | |
| Federated Hermes, Inc. | 0.01% | 1,976,166 | $8,892,747 | $8,655,607 | -$237,140 | -2.67% | |
| Aqr Capital Management Llc | 0.00% | 1,912,296 | $8,605,334 | $8,375,856 | -$229,478 | -2.67% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,801,478 | $8,106,651 | $7,890,474 | -$216,177 | -2.67% | |
| Qube Research & Technologies Ltd | 0.01% | 1,690,461 | $7,607,075 | $7,404,219 | -$202,856 | -2.67% | |
| Vestal Point Capital, Lp | 0.21% | 1,648,000 | $7,416,000 | $7,218,240 | -$197,760 | -2.67% | |
| Assenagon Asset Management S.A. | 0.01% | 1,446,961 | $6,511,325 | $6,337,689 | -$173,636 | -2.67% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 1,318,663 | $5,933,984 | $5,775,744 | -$158,240 | -2.67% | |
| Two Sigma Investments, Lp | 0.00% | 1,284,050 | $5,778,225 | $5,624,139 | -$154,086 | -2.67% | |
| Jane Street Group, Llc | 0.01% | 1,202,531 | $5,411,389 | $5,267,086 | -$144,303 | -2.67% | |
| Fisher Asset Management, Llc | 0.00% | 1,190,896 | $5,359,031 | $5,216,124 | -$142,907 | -2.67% | |
| Aberdeen Group Plc | 0.01% | 1,110,404 | $4,996,818 | $4,863,570 | -$133,248 | -2.67% | |
| Marshall Wace, Llp | 0.01% | 1,103,758 | $4,966,914 | $4,834,460 | -$132,454 | -2.67% | |
| Northern Trust Corp | 0.00% | 990,646 | $4,457,908 | $4,339,029 | -$118,879 | -2.67% | |
| Point72 Asset Management, L.P. | 0.01% | 957,901 | $4,310,555 | $4,195,606 | -$114,949 | -2.67% | |
| Nuveen, Llc | 0.00% | 918,963 | $4,135,334 | $4,025,058 | -$110,276 | -2.67% | |
| Dimensional Fund Advisors Lp | 0.00% | 739,051 | $3,325,315 | $3,237,043 | -$88,272 | -2.65% | |
| Ubs Group Ag | 0.00% | 703,167 | $3,164,252 | $3,079,871 | -$84,381 | -2.67% | |
| Y-Intercept (Hong Kong) Ltd | 0.06% | 654,224 | $2,944,008 | $2,865,501 | -$78,507 | -2.67% | |
| Vanguard Fiduciary Trust Co | 0.00% | 615,765 | $2,770,943 | $2,697,051 | -$73,892 | -2.67% | |
| Fmr Llc | 0.00% | 585,277 | $2,633,749 | $2,563,513 | -$70,236 | -2.67% | |
| Bank Of America Corp | 0.00% | 523,020 | $2,353,590 | $2,290,828 | -$62,762 | -2.67% | |
| Squarepoint Ops Llc | 0.01% | 516,996 | $2,326,482 | $2,264,442 | -$62,040 | -2.67% | |
| Wells Fargo & Company/Mn | 0.00% | 502,931 | $2,263,192 | $2,202,838 | -$60,354 | -2.67% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 454,374 | $2,044,683 | $1,990,158 | -$54,525 | -2.67% |
| Citadel Advisors Llc | 0.00% | 453,042 | $2,038,690 | $1,984,324 | -$54,366 | -2.67% | |
| Trexquant Investment Lp | 0.01% | 406,102 | $1,827,459 | $1,778,727 | -$48,732 | -2.67% | |
| State Of Wisconsin Investment Board | 0.00% | 402,518 | $1,811,331 | $1,763,029 | -$48,302 | -2.67% | |
| Prudential Financial Inc | 0.00% | 381,123 | $1,715,054 | $1,669,319 | -$45,735 | -2.67% | |
| Susquehanna Portfolio Strategies, Llc | 0.02% | 364,154 | $1,638,693 | $1,594,995 | -$43,698 | -2.67% | |
| Bnp Paribas Financial Markets | 0.00% | 362,692 | $1,632,114 | $1,588,591 | -$43,523 | -2.67% | |
| Bank Of New York Mellon Corp | 0.00% | 334,513 | $1,505,308 | $1,465,167 | -$40,141 | -2.67% | |
| Nordea Investment Management Ab | 0.00% | 341,483 | $1,492,281 | $1,495,696 | +$3,415 | +0.23% | |
| Susquehanna International Group, Llp | 0.00% | 323,519 | $1,455,836 | $1,417,013 | -$38,823 | -2.67% | |
| Invesco Ltd. | 0.00% | 290,841 | $1,308,786 | $1,273,884 | -$34,902 | -2.67% | |
| Man Group Plc | 0.00% | 278,202 | $1,251,909 | $1,218,525 | -$33,384 | -2.67% | |
| Ameriprise Financial Inc | 0.00% | 267,328 | $1,202,978 | $1,170,897 | -$32,081 | -2.67% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 233,748 | $1,051,867 | $1,023,816 | -$28,051 | -2.67% | |
| Moore Capital Management, Lp | 0.04% | 218,398 | $982,791 | $956,583 | -$26,208 | -2.67% |
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.