Position in DHR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$194,595,390
-$155,113,790 QoQ
Shares Held
1,026,347
-32.8% QoQ
Ownership
0.145%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in DHR Over Time
Shares Held
Position Value (USD)
Derivatives in DHR
reported options exposure · as of Mar 31, 2026CallValue
$76,788,000
CallShares
405,000
PutValue
$57,316,080
PutShares
302,300
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026CITADEL ADVISORS LLC holds $1,657,068,556 across 34 Diagnostics & Research names. DHR ranks #4 (11.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
864,489 | $424,922,277 | |
| 2 | CRL |
Charles River Laboratories International, Inc.
|
1,212,152 | $209,096,220 | |
| 3 | A |
Agilent Technologies, Inc.
|
1,801,714 | $205,359,361 | |
| 4 | DHR |
Danaher Corp /De/
This page
|
1,026,347 | $194,595,390 | |
| 5 | MTD |
Mettler Toledo International Inc/
|
58,054 | $73,217,704 | |
| 6 | GH |
Guardant Health, Inc.
|
775,941 | $71,673,669 | |
| 7 | DGX |
Quest Diagnostics Inc
|
347,218 | $68,047,783 | |
| 8 | IQV |
Iqvia Holdings Inc.
|
390,042 | $66,517,762 |
All Filings in DHR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $76,788,000 | 405,000 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $57,316,080 | 302,300 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $194,595,390 | 1,026,347 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $349,709,180 | 1,527,648 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $107,798,428 | 470,900 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $167,523,656 | 731,800 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $96,136,274 | 484,900 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $29,897,607 | 150,800 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $169,294,214 | 853,900 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $17,176,497 | 86,952 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $245,147,140 | 1,241,000 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $94,601,906 | 478,900 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $540,382,050 | 2,636,010 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $204,098,000 | 995,600 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $76,260,000 | 372,000 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $74,649,660 | 325,200 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $296,188,365 | 1,290,300 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $134,724,960 | 586,909 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $186,658,735 | 671,386 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $157,609,538 | 566,900 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $299,955,778 | 1,078,900 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $196,532,010 | 786,600 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $78,352,960 | 313,600 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $306,316 | 1,226 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $6,501,210 | 26,034 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $135,448,128 | 542,400 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $92,920,812 | 372,100 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $16,966,244 | 73,339 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $93,206,886 | 402,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $119,140,100 | 515,000 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $100,955,581 | 459,000 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $301,511,650 | 1,370,839 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $105,728,426 | 480,700 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $126,667,259 | 595,336 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $65,765,970 | 309,100 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $100,127,679 | 470,600 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $84,303,798 | 377,300 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $75,388,554 | 337,400 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $123,427,195 | 552,396 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $103,273,783 | 438,900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $115,909,469 | 492,600 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $69,951,576 | 297,285 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $93,515,635 | 408,400 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $151,437,169 | 661,354 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $161,179,373 | 703,900 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $149,190,244 | 663,800 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $19,653,869 | 87,447 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $129,479,511 | 576,100 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $272,055,225 | 1,046,188 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $108,412,468 | 416,900 | Call | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||