Position in GH
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$4,680,203
-$1,087,438 QoQ
Shares Held
50,668
-10.3% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 97.9770269203442.ToString("F0")%
Shared 0.ToString("F0")%
None 2.0229730796557983.ToString("F0")%
Common Shares in GH Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Calamos Advisors LLC holds $195,948,990 across 11 Diagnostics & Research names. GH ranks #7 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
139,230 | $68,435,721 | |
| 2 | DHR |
Danaher Corp /De/
|
288,363 | $54,673,624 | |
| 3 | IQV |
Iqvia Holdings Inc.
|
145,688 | $24,845,631 | |
| 4 | A |
Agilent Technologies, Inc.
|
163,570 | $18,643,708 | |
| 5 | LH |
Labcorp Holdings Inc.
|
43,515 | $11,610,237 | |
| 6 | DGX |
Quest Diagnostics Inc
|
43,506 | $8,526,305 | |
| 7 | GH |
Guardant Health, Inc.
This page
|
50,668 | $4,680,203 | |
| 8 | WAT |
Waters Corp /De/
|
8,061 | $2,400,565 |
All Filings in GH
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,680,203 | 50,668 | Shares | Other | 2026-05-04 | |
| 2025-12-31 | $5,767,641 | 56,468 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $2,780,359 | 44,500 | Shares | Sole | 2025-10-20 | |
| No filing history on record for this holder in this stock. | ||||||