Position in ISPC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,923
-$11,151 QoQ
Shares Held
1,262
+159.1% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ISPC Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026CITADEL ADVISORS LLC holds $1,783,709,630 across 35 Diagnostics & Research names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
574,992 | $288,277,988 | |
| 2 | CRL |
Charles River Laboratories International, Inc.
|
1,193,601 | $270,696,770 | |
| 3 | GH |
Guardant Health, Inc.
|
1,449,534 | $217,473,585 | |
| 4 | DHR |
Danaher Corp /De/
|
943,694 | $179,754,833 | |
| 5 | RVTY |
Revvity, Inc.
|
1,457,335 | $162,143,091 | |
| 6 | A |
Agilent Technologies, Inc.
|
1,101,501 | $146,312,377 | |
| 7 | TWST |
Twist Bioscience Corp
|
862,042 | $88,686,880 | |
| 8 | NTRA |
Natera, Inc.
|
265,607 | $72,099,020 |
All Filings in ISPC
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,923 | 50,471 | Shares | Defined | 2026-05-15 | |
| 2025-06-30 | $19,074 | 19,464 | Shares | Defined | 2025-08-14 | |
| 2024-06-30 | $7,879 | 25,500 | Shares | Defined | 2024-08-14 | |
| 2023-12-31 | $19,443 | 38,809 | Shares | Defined | 2024-02-14 | |
| 2023-06-30 | $33,137 | 23,173 | Shares | Defined | 2023-08-14 | |
| 2022-06-30 | $43,161 | 19,799 | Shares | Defined | 2022-08-15 | |
| 2021-09-30 | $74,425 | 12,755 | Shares | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||