Position in GH
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$217,473,585
+$145,799,916 QoQ
Shares Held
1,449,534
+86.8% QoQ
Ownership
1.08%
of shares outstanding
% of Portfolio
0.14%
of 13F equity value
Holder Rank
#27
of 594 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GH Over Time
Shares Held
Position Value (USD)
Derivatives in GH
reported options exposure · as of Jun 30, 2026CallValue
$18,378,675
CallShares
122,500
PutValue
$7,546,509
PutShares
50,300
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 Jun 30, 2026CITADEL ADVISORS LLC holds $1,783,709,630 across 35 Diagnostics & Research names. GH ranks #3 (12.2% 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.
This page
|
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 GH
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $217,473,585 | 1,449,534 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $18,378,675 | 122,500 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $7,546,509 | 50,300 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $12,839,430 | 139,000 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $2,152,221 | 23,300 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $71,673,669 | 775,941 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $18,140,064 | 177,600 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $6,516,532 | 63,800 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $57,641,891 | 564,342 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $19,026,409 | 304,520 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $5,923,104 | 94,800 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $11,896,192 | 190,400 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $152,922,298 | 2,938,553 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $6,296,840 | 121,000 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $6,687,140 | 128,500 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $153,228,493 | 3,596,913 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $2,560,260 | 60,100 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $8,524,260 | 200,100 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $2,605,915 | 85,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $4,148,690 | 135,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $45,271,708 | 1,481,889 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $7,579,398 | 330,401 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $2,082,952 | 90,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,067,078 | 133,700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $1,911,856 | 66,200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $4,366,656 | 151,200 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $95,041,104 | 3,290,897 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $57,568,798 | 2,790,538 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $18,170,904 | 880,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $1,873,204 | 90,800 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $753,883 | 27,870 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,912,435 | 70,700 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,103,640 | 40,800 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $12,991,656 | 438,315 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $1,375,296 | 46,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,544,244 | 52,100 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $2,058,500 | 57,500 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $14,674,312 | 409,897 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $1,628,900 | 45,500 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $1,924,424 | 82,100 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $2,191,640 | 93,500 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $6,260,026 | 267,066 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $7,714,953 | 283,638 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $4,977,600 | 183,000 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $5,665,760 | 208,300 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $11,934,111 | 221,700 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $18,940,192 | 351,852 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $23,486,029 | 436,300 | Call | Defined | 2022-11-14 | |
| 2022-06-30 | $12,945,106 | 320,900 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $5,478,252 | 135,802 | Shares | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||