Position in NTRA
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,283,485
-$1,287,569 QoQ
Shares Held
11,418
-26.8% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in NTRA Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Portolan Capital Management, LLC holds $56,950,930 across 8 Diagnostics & Research names. NTRA ranks #5 (4.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSTL |
Castle Biosciences Inc
|
1,350,283 | $33,149,447 | |
| 2 | WGS |
GeneDx Holdings Corp.
|
102,575 | $6,587,366 | |
| 3 | CDNA |
CareDx, Inc.
|
340,352 | $5,908,510 | |
| 4 | PSNL |
Personalis, Inc.
|
736,713 | $4,692,861 | |
| 5 | NTRA |
Natera, Inc.
This page
|
11,418 | $2,283,485 | |
| 6 | FLGT |
Fulgent Genetics, Inc.
|
106,642 | $1,695,607 | |
| 7 | RDNT |
RadNet, Inc.
|
23,728 | $1,326,157 | |
| 8 | GH |
Guardant Health, Inc.
|
14,155 | $1,307,497 |
All Filings in NTRA
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,283,485 | 11,418 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,571,054 | 15,588 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,509,200 | 15,588 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $3,473,237 | 20,559 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $2,907,248 | 20,559 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $6,109,430 | 38,594 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $10,623,176 | 83,680 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $18,038,623 | 166,577 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $18,403,398 | 201,218 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $5,789,564 | 92,426 | Shares | Sole | 2024-02-14 | |
| 2023-03-31 | $8,385,296 | 151,032 | Shares | Sole | 2023-05-15 | |
| 2022-09-30 | $13,649,798 | 311,497 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||