Position in GRAL
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$0
+$0 QoQ
Shares Held
0
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 quarters on record
Common Shares in GRAL Over Time
Shares Held
Position Value (USD)
Derivatives in GRAL
reported options exposure · as of Mar 31, 2026CallValue
$9,912,224
CallShares
191,800
PutValue
$2,971,600
PutShares
57,500
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, 2026JANE STREET GROUP, LLC holds $146,344,169 across 28 Diagnostics & Research names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
263,677 | $52,732,762 | |
| 2 | TWST |
Twist Bioscience Corp
|
601,163 | $28,567,265 | |
| 3 | ADPT |
Adaptive Biotechnologies Corp
|
682,182 | $9,468,686 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
17,167 | $8,438,095 | |
| 5 | IDXX |
Idexx Laboratories Inc /De
|
14,998 | $8,427,225 | |
| 6 | A |
Agilent Technologies, Inc.
|
60,577 | $6,904,565 | |
| 7 | QGEN |
Qiagen N.V.
|
160,639 | $6,431,985 | |
| 8 | MYGN |
Myriad Genetics Inc
|
1,202,531 | $5,411,389 |
All Filings in GRAL
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,912,224 | 191,800 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $2,971,600 | 57,500 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $5,417,847 | 63,300 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $21,363,264 | 249,600 | Call | Defined | 2026-02-12 | |
| 2025-09-30 | $12,458,691 | 210,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,992,681 | 33,700 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $10,988,454 | 213,700 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $881,235 | 17,138 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $1,722,570 | 33,500 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $2,319,032 | 90,800 | Call | Defined | 2025-05-19 | |
| 2025-03-31 | $423,964 | 16,600 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $1,076,638 | 42,155 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $249,186 | 13,960 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $1,907,289 | 106,851 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $856,942 | 48,008 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $4,461,872 | 324,264 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $176,898 | 12,856 | Put | Defined | 2024-11-15 | |
| 2024-09-30 | $227,480 | 16,532 | Call | Defined | 2024-11-15 | |
| 2024-06-30 | $4,899,018 | 318,739 | Shares | Defined | 2024-08-15 | |
| No filing history on record for this holder in this stock. | ||||||