SEC ownership of MYRIAD GENETICS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000899923.

Comparable stake leader

BlackRock Portfolio Management LLC

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

31 Aug 2026

Top shareholders Insider holders Latest transactions

Public ticker: MYGN on Nasdaq
Parsed ownership sources: 13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: BlackRock Portfolio Management LLC
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: BlackRock Portfolio Management LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 31 Aug 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0000899923
Issuer location: Salt Lake City, UT

Ownership snapshot

Top shareholders of MYRIAD GENETICS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Portfolio Manag...

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

31 Aug 2026

13D/G 13F 3/4/5 Lead comparable stake: 10% 13D/G row: BlackRock Portfolio Management LLC Showing 1-8 of 50 holder rows.

Quick read

BlackRock Portfolio Management LLC leads the comparable SEC ownership view at 10%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Portfolio Management LLC's linked filing trail.

Comparable ownership Top 5

BlackRock Portfolio Management LLC 10%

BlackRock, Inc. 8.5%

INTEGRATED CORE STRATEGIES (US) LLC 7.2%

Vestal Point Capital, LP 6.1%

STATE STREET CORP 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Portfolio Management LLC	13D/G 13D/G	10%	$31,385,970 9,900,937 shares	$0	31 Aug 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	8.5% from 13D/G	$62,184,412 10,890,440 shares	—	30 Jun 2026
INTEGRATED CORE STRATEGIES (US) LLC	13D/G Millennium Management LLC 13D/G	7.2%	$41,205,972 6,700,158 shares	+$12,003,761	31 Dec 2025
Vestal Point Capital, LP	13D/G 13F Company 13D/G 13F	6.1%	$33,607,100 5,735,000 shares	$0	30 Jun 2026
STATE STREET CORP	13D/G 13F STATE STREET CORPORATION · Company 13D/G 13F	5.3%	$29,212,452 4,985,060 shares	+$3,287,653	30 Jun 2026
BARCLAYS PLC	13D/G 13F Company 13D/G 13F	4.2%	$28,480,691 3,939,238 shares	-$6,945,955	30 Sep 2025
Camber Capital Management LP	13D/G 13D/G	3.4%	$22,320,000 3,100,000 shares	$0	31 Dec 2024
DISCIPLINED GROWTH INVESTORS INC /MN	13D/G 13D/G	0.8%	$4,244,772 753,956 shares	-$19,924,683	30 Jun 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$655,361.

Buys

$722,204

Insiders: 3

Sells

$66,843

Insiders: 1

Net

+$655,361

Shares: +137,007

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 152,007 Shares: 15,000

Window (months)	Buy shares	Sell shares	Buy value	Sell value	Net value
0-3	0	15,000	$0	$66,843	-$66,843
3-6	47,500	0	$227,482	$0	+$227,482
6-9	104,507	0	$494,722	$0	+$494,722
9-12	0	0	$0	$0	$0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 31 reporting-owner rows connected to MYRIAD GENETICS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Paul J. Diaz

Net 12M change

+$655,361

Latest report

16 Aug 2026

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Paul J. Diaz	President and CEO, Director	$13,952,260			Mixed	30 Apr 2025
Richard Bryan Riggsbee	Chief Financial Officer	$5,585,282			Mixed	29 Jan 2024
Jerry S. Lanchbury	Officer	$5,059,161			Mixed	14 Jan 2022
Samraat S. Raha	President and CEO, Director	$4,806,373	+$199,844	+4.3%	Mixed	11 Jun 2026
Nicole Lambert	Chief Operating Officer	$4,287,226			Mixed	31 Oct 2023
Jayne B. Hart	Officer	$3,302,837			Mixed	01 Mar 2023
Mark Verratti	Chief Operating Officer	$2,833,595			Mixed	14 Apr 2026
Brian J. Donnelly	Chief Commerical Officer	$2,580,133			Mixed	11 Jun 2026
Dennis Langer	Director	$2,044,190			Mixed	30 Jun 2022
S. Louise Phanstiel	Director	$1,741,115	+$494,722	+40%	Mixed	04 Jun 2026
Paul Parkinson	Fmr EVP Strategy & Innovation	$1,672,970			Mixed	14 May 2021
Benjamin R. Wheeler	Chief Financial Officer	$1,654,461			Median	16 Aug 2026
Heinrich Dreismann	Director	$1,598,707			Mixed	03 Jun 2021
Dale Muzzey	Chief Scientific Officer	$1,468,492			Mixed	14 Apr 2026
Pamela Wong	Chief Legal Officer	$1,445,644			Mixed	22 Mar 2024
Jennifer Lynne Fox	Chief Legal Officer	$1,405,939			Mixed	12 Mar 2026
Shereen Solaiman	Chief People Officer	$1,213,138			Mixed	12 Mar 2026
Scott J. Leffler	Chief Financial Officer	$1,140,011			Mixed	18 Aug 2025
Raj Jampa	Chief Technology Officer	$1,133,500			Mixed	01 Jun 2026
Eric Santa	Former Chief Growth Officer	$1,085,889			Mixed	26 Apr 2022

Recent insider transactions for MYRIAD GENETICS INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
Benjamin R. Wheeler	MYGN	Common Stock	Tax liability	-2.93%			-8,761	289,748	16 Aug 2026	Direct
Samraat S. Raha	MYGN	Common Stock	Award	0.33%			3,542	1,068,083	11 Jun 2026	Direct
Brian J. Donnelly	MYGN	Common Stock	Award	0.88%			5,000	573,363	11 Jun 2026	Direct
Rashmi Kumar	MYGN	Common Stock	Sale	-8.03%	$66,843	$4.46	-15,000	171,889	08 Jun 2026	Direct
Daniel Skovronsky	MYGN	Common Stock	Award	44%			59,701	195,507	04 Jun 2026	Direct
Lee Nisley Newcomer	MYGN	Common Stock	Award	45.2%			59,701	191,842	04 Jun 2026	Direct
Mark S. Davis	MYGN	Common Stock	Award	127.1%			59,701	106,665	04 Jun 2026	Direct
S. Louise Phanstiel	MYGN	Common Stock	Award	21.2%			59,701	341,652	04 Jun 2026	Direct
Heinrich Dreismann	MYGN	Common Stock	Award	34.8%			59,701	231,145	04 Jun 2026	Direct
Colleen F. Reitan	MYGN	Common Stock	Award	64.7%			59,701	152,030	04 Jun 2026	Direct
Paul Bisaro	MYGN	Common Stock	Award	61.3%			59,701	157,142	04 Jun 2026	Direct
Rashmi Kumar	MYGN	Common Stock	Award	46.9%			59,701	186,889	04 Jun 2026	Direct
Raj Jampa	MYGN	Common Stock	Award				251,889	251,889	01 Jun 2026	Direct
Paul Bisaro	MYGN	Common Stock	Purchase	8.34%	$27,638	$3.68	7,500	97,441	14 May 2026	Direct
Brian J. Donnelly	MYGN	Common Stock	Tax liability	-8.97%			-55,975	568,363	01 May 2026	Direct
Mark Verratti	MYGN	Common Stock	Tax liability	-0.17%			-1,069	629,646	14 Apr 2026	Direct
Dale Muzzey	MYGN	Common Stock	Tax liability	-0.29%			-946	326,310	14 Apr 2026	Direct
Dale Muzzey	MYGN	Common Stock	Tax liability	-0.61%			-2,019	327,256	22 Mar 2026	Direct
Mark Verratti	MYGN	Common Stock	Tax liability	-0.32%			-2,055	630,715	22 Mar 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Tax liability	-0.18%			-549	298,509	22 Mar 2026	Direct
Kevin Richard Haas	MYGN	Common Stock	Tax liability	-6.12%			-11,737	180,022	15 Mar 2026	Direct
Dale Muzzey	MYGN	Common Stock	Tax liability	-4.84%			-16,732	329,275	15 Mar 2026	Direct
Mark Verratti	MYGN	Common Stock	Tax liability	-2.27%			-14,707	632,770	15 Mar 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Tax liability	-1.02%			-3,069	299,058	15 Mar 2026	Direct
Kevin Richard Haas	MYGN	Common Stock	Tax liability	-2.12%			-4,161	191,759	14 Mar 2026	Direct
Shereen Solaiman	MYGN	Common Stock	Tax liability	-2.11%			-5,784	267,801	14 Mar 2026	Direct
Dale Muzzey	MYGN	Common Stock	Tax liability	-2.34%			-8,288	346,007	14 Mar 2026	Direct
Mark Verratti	MYGN	Common Stock	Tax liability	-0.83%			-5,418	647,477	14 Mar 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Tax liability	-0.36%			-1,097	302,127	14 Mar 2026	Direct
Samraat S. Raha	MYGN	Common Stock	Tax liability	-1.01%			-10,816	1,064,541	14 Mar 2026	Direct
Kevin Richard Haas	MYGN	Common Stock	Tax liability	-3.17%			-6,412	195,920	13 Mar 2026	Direct
Shereen Solaiman	MYGN	Common Stock	Tax liability	-3.15%			-8,899	273,585	13 Mar 2026	Direct
Dale Muzzey	MYGN	Common Stock	Tax liability	-3.48%			-12,779	354,295	13 Mar 2026	Direct
Jennifer Lynne Fox	MYGN	Common Stock	Tax liability	-1.9%			-5,995	310,362	13 Mar 2026	Direct
Mark Verratti	MYGN	Common Stock	Tax liability	-1.38%			-9,164	652,895	13 Mar 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Tax liability	-0.19%			-586	303,224	13 Mar 2026	Direct
Samraat S. Raha	MYGN	Common Stock	Tax liability	-3.27%			-36,304	1,075,357	13 Mar 2026	Direct
Shereen Solaiman	MYGN	Common Stock	Award	158.5%			173,196	282,484	12 Mar 2026	Direct
Dale Muzzey	MYGN	Common Stock	Award	89.3%			173,196	367,074	12 Mar 2026	Direct
Jennifer Lynne Fox	MYGN	Common Stock	Award	162.6%			195,876	316,357	12 Mar 2026	Direct
Brian J. Donnelly	MYGN	Common Stock	Award	57%			226,804	624,338	12 Mar 2026	Direct
Mark Verratti	MYGN	Common Stock	Award	59.7%			247,423	662,059	12 Mar 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Award	211.2%			206,186	303,810	12 Mar 2026	Direct
Samraat S. Raha	MYGN	Common Stock	Award	125.4%			618,557	1,111,661	12 Mar 2026	Direct
Samraat S. Raha	MYGN	Common Stock	Purchase	8.83%	$199,844	$5.00	40,000	493,104	09 Mar 2026	Direct
Shereen Solaiman	MYGN	Common Stock	Tax liability	-1.51%			-1,675	109,288	01 Mar 2026	Direct
S. Louise Phanstiel	MYGN	Common Stock	Purchase	20.5%	$223,728	$4.66	48,000	281,951	27 Feb 2026	Direct
S. Louise Phanstiel	MYGN	Common Stock	Purchase	27.5%	$242,105	$4.80	50,407	233,951	26 Feb 2026	Direct
S. Louise Phanstiel	MYGN	Common Stock	Purchase	3.44%	$28,890	$4.74	6,100	183,544	25 Feb 2026	Direct
Benjamin R. Wheeler	MYGN	Common Stock	Award	5.39%			4,994	97,624	02 Feb 2026	Direct

^* marks a reported price that did not pass the local price check.