Position in GRAL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,217,397
+$769,833 QoQ
Shares Held
81,606
+102.6% QoQ
Ownership
0.190%
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
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GRAL Over Time
Shares Held
Position Value (USD)
Derivatives in GRAL
reported options exposure · as of Mar 31, 2026CallValue
$496,128
CallShares
9,600
PutValue
$2,325,600
PutShares
45,000
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, 2026D. E. Shaw & Co., Inc. holds $1,676,976,764 across 27 Diagnostics & Research names. GRAL ranks #19 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
|
1,025,240 | $305,316,471 | |
| 2 | DHR |
Danaher Corp /De/
|
1,428,248 | $270,795,820 | |
| 3 | MEDP |
Medpace Holdings, Inc.
|
432,602 | $207,731,153 | |
| 4 | A |
Agilent Technologies, Inc.
|
1,695,923 | $193,301,303 | |
| 5 | TMO |
Thermo Fisher Scientific Inc.
|
302,848 | $148,858,876 | |
| 6 | ICLR |
Icon PLC
|
1,198,555 | $132,632,096 | |
| 7 | NTRA |
Natera, Inc.
|
491,336 | $98,262,286 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
73,125 | $92,225,250 |
All Filings in GRAL
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,325,600 | 45,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $496,128 | 9,600 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $4,217,397 | 81,606 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $3,447,564 | 40,280 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $4,330,854 | 50,600 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $10,279,359 | 120,100 | Call | Defined | 2026-02-17 | |
| 2025-09-30 | $2,334,451 | 39,480 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $4,819,095 | 81,500 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $331,128 | 5,600 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $287,952 | 5,600 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $6,988,645 | 135,913 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $3,892,494 | 75,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $6,851,922 | 268,282 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $615,514 | 24,100 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $288,456 | 16,160 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $229,626 | 16,688 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $292,890 | 19,056 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $1,059,085 | 68,906 | Shares | Defined | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||