Position in CSTL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,203,765
-$1,008,915 QoQ
Shares Held
211,966
+32.7% QoQ
Ownership
0.699%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
15 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CSTL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026D. E. Shaw & Co., Inc. holds $1,656,514,763 across 27 Diagnostics & Research names. CSTL ranks #18 (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 CSTL
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,203,765 | 211,966 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $6,212,680 | 159,709 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $2,108,820 | 92,614 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $3,026,039 | 148,190 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,787,322 | 189,177 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,413,503 | 90,563 | Shares | Defined | 2025-02-14 | |
| 2024-03-31 | $296,411 | 13,382 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,130,015 | 52,364 | Shares | Defined | 2024-02-14 | |
| 2022-12-31 | $681,176 | 28,937 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $718,034 | 27,532 | Shares | Defined | 2022-11-14 | |
| 2021-09-30 | $472,416 | 7,104 | Shares | Defined | 2021-11-15 | |
| 2021-03-31 | $1,311,214 | 19,153 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,281,826 | 19,089 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $442,315 | 8,597 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $657,728 | 17,451 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||