Position in WGS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$41,576,091
+$17,859,521 QoQ
Shares Held
647,401
+255.0% QoQ
Ownership
2.18%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WGS Over Time
Shares Held
Position Value (USD)
Derivatives in WGS
reported options exposure · as of Mar 31, 2026CallValue
$5,015,582
CallShares
78,100
PutValue
$2,729,350
PutShares
42,500
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. WGS ranks #12 (2.5% 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/
|
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 WGS
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $41,576,091 | 647,401 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $2,729,350 | 42,500 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $5,015,582 | 78,100 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $9,299,290 | 71,500 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $23,716,570 | 182,351 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $11,809,448 | 90,800 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $20,571,875 | 190,940 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $7,703,410 | 71,500 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $14,469,482 | 134,300 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $6,554,010 | 71,000 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $7,357,107 | 79,700 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $25,129,274 | 272,227 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $5,127,913 | 57,900 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $2,514,891 | 28,396 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $5,181,052 | 58,500 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $3,789,198 | 49,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $4,135,068 | 53,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $6,078,857 | 79,090 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,402,104 | 56,600 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,179,832 | 27,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $1,264,923 | 29,805 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,223,352 | 46,800 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $635,202 | 24,300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $339 | 13 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $412,676 | 45,200 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $35,607 | 3,900 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $71,414 | 7,822 | Shares | Defined | 2024-05-15 | |
| 2023-09-30 | $31,886 | 8,760 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $28,402 | 7,803 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $3,640 | 1,000 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $10,584 | 1,776 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $179,979 | 30,198 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $58,241 | 9,772 | Call | Defined | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||