Position in DGX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$28,234,070
-$39,813,713 QoQ
Shares Held
133,211
-61.6% QoQ
Ownership
0.121%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#91
of 1,095 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Derivatives in DGX
reported options exposure · as of Jun 30, 2026CallValue
$18,821,160
CallShares
88,800
PutValue
$11,699,640
PutShares
55,200
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. DGX ranks #14 (1.6% 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.
|
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 DGX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $28,234,070 | 133,211 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $11,699,640 | 55,200 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $18,821,160 | 88,800 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $5,742,214 | 29,300 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $68,047,783 | 347,218 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $22,145,740 | 113,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $73,791,202 | 425,236 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $8,207,969 | 47,300 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $5,622,372 | 32,400 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $24,892,416 | 130,614 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $11,606,322 | 60,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $6,918,054 | 36,300 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $5,046,704 | 28,095 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $7,472,608 | 41,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $14,029,103 | 78,100 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $23,018,475 | 136,043 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $15,177,240 | 89,700 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $14,398,920 | 85,100 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $10,333,910 | 68,500 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $3,620,640 | 24,000 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $116,147,647 | 748,133 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $5,402,700 | 34,800 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $13,134,150 | 84,600 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $159,759,081 | 1,167,147 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $16,466,664 | 120,300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $4,161,152 | 30,400 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $21,776,796 | 163,600 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $13,311,000 | 100,000 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $19,814,887 | 148,861 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $27,772,340 | 201,424 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $17,290,152 | 125,400 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $15,883,776 | 115,200 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $17,048,214 | 139,900 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $9,096,726 | 74,649 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $6,300,162 | 51,700 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $11,582,144 | 82,400 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $17,930,255 | 127,563 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $7,463,736 | 53,100 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $24,831,579 | 175,513 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $12,421,944 | 87,800 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $17,996,256 | 127,200 | Call | Defined | 2023-05-15 | |
| 2022-12-31 | $26,954,612 | 172,300 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $35,840,404 | 229,100 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $3,507,384 | 22,420 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $6,637,529 | 54,100 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $16,599,957 | 135,300 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $13,709,503 | 111,741 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $23,883,208 | 179,600 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $10,749,039 | 80,832 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $15,478,872 | 116,400 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||