Position in TWST
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$88,686,880
+$30,693,473 QoQ
Shares Held
862,042
-29.4% QoQ
Ownership
1.37%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#23
of 334 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TWST Over Time
Shares Held
Position Value (USD)
Derivatives in TWST
reported options exposure · as of Jun 30, 2026CallValue
$7,839,456
CallShares
76,200
PutValue
$2,654,304
PutShares
25,800
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. TWST ranks #7 (5.0% 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
This page
|
862,042 | $88,686,880 | |
| 8 | NTRA |
Natera, Inc.
|
265,607 | $72,099,020 |
All Filings in TWST
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,839,456 | 76,200 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $88,686,880 | 862,042 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $2,654,304 | 25,800 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $2,632,608 | 55,400 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $2,570,832 | 54,100 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $57,993,407 | 1,220,400 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,016,594 | 32,049 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $1,021,384 | 32,200 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $1,570,140 | 49,500 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $1,083,390 | 38,500 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $3,242,993 | 115,245 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $664,104 | 23,600 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $1,022,762 | 27,800 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $55,315,457 | 1,503,546 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $761,553 | 20,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $859,794 | 21,900 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $42,057,903 | 1,071,266 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $1,052,168 | 26,800 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $1,384,806 | 29,800 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $65,162,882 | 1,402,257 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $422,877 | 9,100 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $66,981,880 | 1,482,556 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $216,864 | 4,800 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $1,034,622 | 22,900 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $556,864 | 11,300 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $2,050,048 | 41,600 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $70,362,476 | 1,427,810 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $631,304 | 18,400 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $58,753,987 | 1,712,445 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,657,173 | 48,300 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $818,292 | 22,200 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $67,808,245 | 1,839,616 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $3,173,646 | 86,100 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $164,106 | 8,100 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $848,894 | 41,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $31,574,216 | 1,558,451 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,612,248 | 78,800 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $673,134 | 32,900 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $32,014,314 | 1,564,727 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $17,701,325 | 1,173,828 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $416,208 | 27,600 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $502,164 | 33,300 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $1,352,408 | 56,800 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $297,625 | 12,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $13,453,268 | 565,026 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $694,228 | 19,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $225,536 | 6,400 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $2,393,394 | 67,917 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $478,952 | 13,700 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $1,045,304 | 29,900 | Call | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||