Position in MYGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$526,563
-$391,195 QoQ
Shares Held
117,014
-21.6% QoQ
Ownership
0.124%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MYGN Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Rafferty Asset Management, LLC holds $69,634,221 across 18 Diagnostics & Research names. MYGN ranks #17 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
25,899 | $14,552,389 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
29,028 | $14,268,132 | |
| 3 | DHR |
Danaher Corp /De/
|
48,612 | $9,216,835 | |
| 4 | NTRA |
Natera, Inc.
|
22,942 | $4,588,170 | |
| 5 | TWST |
Twist Bioscience Corp
|
96,255 | $4,574,037 | |
| 6 | VCYT |
Veracyte, Inc.
|
104,212 | $3,356,668 | |
| 7 | GRAL |
GRAIL, Inc.
|
55,423 | $2,864,260 | |
| 8 | A |
Agilent Technologies, Inc.
|
21,858 | $2,491,374 |
All Filings in MYGN
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $526,563 | 117,014 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $917,758 | 149,229 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $815,435 | 112,785 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $599,753 | 112,948 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,302,151 | 146,804 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,277,751 | 166,138 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $3,025,170 | 110,448 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $2,285,933 | 93,456 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $5,313,007 | 249,203 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $3,280,576 | 171,399 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $3,344,083 | 208,484 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $4,549,121 | 196,252 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $3,945,406 | 169,841 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $2,993,891 | 206,333 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $3,268,098 | 171,284 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,976,932 | 108,802 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $3,300,872 | 130,987 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,883,047 | 176,922 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $3,027,833 | 93,770 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $2,683,028 | 87,738 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $3,268,868 | 107,352 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $404,909 | 20,481 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,050,345 | 80,548 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $601,450 | 53,038 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $144,502 | 10,098 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||