Position in DHR
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$54,673,624
-$1,113,722 QoQ
Shares Held
288,363
+18.3% QoQ
Ownership
0.041%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.34561646258362.ToString("F0")%
Shared 0.ToString("F0")%
None 0.6543835374163814.ToString("F0")%
Common Shares in DHR 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. DHR ranks #2 (27.9% 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/
This page
|
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.
|
50,668 | $4,680,203 | |
| 8 | WAT |
Waters Corp /De/
|
8,061 | $2,400,565 |
All Filings in DHR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $54,673,624 | 288,363 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $55,787,346 | 243,698 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $44,314,678 | 223,518 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $51,297,384 | 259,681 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $41,711,965 | 203,473 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $46,215,301 | 201,330 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $55,409,386 | 199,300 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $55,234,089 | 221,069 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $78,002,539 | 312,360 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $76,319,528 | 329,902 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $53,280,792 | 242,244 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $47,546,392 | 223,468 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $61,611,486 | 275,741 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $84,140,251 | 357,585 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $87,301,334 | 381,261 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $84,625,120 | 376,527 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $73,892,888 | 284,155 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $68,031,851 | 233,245 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $44,046,905 | 163,201 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $44,353,389 | 186,431 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $25,237,493 | 126,479 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $14,887,907 | 75,599 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $15,056,683 | 78,874 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $13,449,898 | 85,797 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $25,925,616 | 211,286 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||