Position in RDNT
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$29,727,499
-$8,213,648 QoQ
Shares Held
531,893
+0.0% QoQ
Ownership
0.676%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in RDNT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $515,537,867 across 8 Diagnostics & Research names. RDNT ranks #5 (5.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
754,729 | $150,938,252 | |
| 2 | GH |
Guardant Health, Inc.
|
1,362,539 | $125,857,727 | |
| 3 | WGS |
GeneDx Holdings Corp.
|
1,369,108 | $87,924,115 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
132,860 | $74,652,705 | |
| 5 | RDNT |
RadNet, Inc.
This page
|
531,893 | $29,727,499 | |
| 6 | DHR |
Danaher Corp /De/
|
110,492 | $20,949,283 | |
| 7 | ADPT |
Adaptive Biotechnologies Corp
|
5,436,718 | $18,865,411 | |
| 8 | TMO |
Thermo Fisher Scientific Inc.
|
13,474 | $6,622,875 |
All Filings in RDNT
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $29,727,499 | 531,893 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $37,941,147 | 531,761 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $40,072,742 | 525,820 | Shares | Sole | 2025-11-12 | |
| No filing history on record for this holder in this stock. | ||||||