Position in A
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$146,312,377
-$59,046,984 QoQ
Shares Held
1,101,501
-38.9% QoQ
Ownership
0.390%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#47
of 1,097 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in A Over Time
Shares Held
Position Value (USD)
Derivatives in A
reported options exposure · as of Jun 30, 2026CallValue
$42,784,543
CallShares
322,100
PutValue
$14,558,168
PutShares
109,600
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 Jun 30, 2026CITADEL ADVISORS LLC holds $1,783,709,630 across 35 Diagnostics & Research names. A ranks #6 (8.2% of the industry book) .
| # | 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.
This page
|
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 A
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $42,784,543 | 322,100 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $14,558,168 | 109,600 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $146,312,377 | 1,101,501 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $205,359,361 | 1,801,714 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $22,203,304 | 194,800 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $8,480,112 | 74,400 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $11,906,125 | 87,500 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $76,022,172 | 558,699 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $22,342,694 | 164,200 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $16,903,695 | 131,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $15,581,690 | 121,400 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $50,398,295 | 392,663 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $10,207,865 | 86,500 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $21,017,581 | 178,100 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $194,468,560 | 1,647,899 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $18,985,854 | 162,300 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $245,406,492 | 2,097,850 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $16,002,864 | 136,800 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $122,236,368 | 909,903 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $21,118,248 | 157,200 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $20,930,172 | 155,800 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $13,407,744 | 90,300 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $21,395,968 | 144,100 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $33,714,758 | 227,066 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $24,824,145 | 191,500 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $128,635,737 | 992,330 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $15,542,637 | 119,900 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $34,311,258 | 235,800 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $21,519,182 | 147,888 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $27,719,655 | 190,500 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $37,802,257 | 271,900 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $29,337,971 | 211,019 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $30,975,884 | 222,800 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $20,041,274 | 179,228 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $23,102,012 | 206,600 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $20,955,068 | 187,400 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $14,923,025 | 124,100 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $20,574,775 | 171,100 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $55,353,479 | 460,320 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $17,527,678 | 126,700 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $10,541,508 | 76,200 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $71,826,266 | 519,201 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $34,763,695 | 232,300 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $31,646,036 | 211,467 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $25,635,045 | 171,300 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $11,561,592 | 95,118 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $26,510,055 | 218,100 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $24,771,890 | 203,800 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $28,326,645 | 238,500 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $177,262,324 | 1,492,484 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||