Position in NEO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$30,898,237
-$31,400,692 QoQ
Shares Held
4,164,183
-21.4% QoQ
Ownership
3.20%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
21 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in NEO Over Time
Shares Held
Position Value (USD)
Derivatives in NEO
reported options exposure · as of Mar 31, 2022CallValue
$0
CallShares
0
PutValue
$364,500
PutShares
30,000
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 $1,656,514,763 across 27 Diagnostics & Research names. NEO ranks #11 (1.9% 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 NEO
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $30,898,237 | 4,164,183 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $62,298,929 | 5,297,528 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $25,455,966 | 3,297,405 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $6,836,136 | 935,176 | Shares | Defined | 2025-08-14 | |
| 2024-12-31 | $657,700 | 39,909 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $880,988 | 59,728 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $2,310,131 | 166,556 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,283,927 | 145,288 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $6,377,816 | 394,179 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $9,550,482 | 776,462 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $14,365,856 | 893,955 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $14,345,508 | 823,981 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $9,130,773 | 988,179 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $5,451,860 | 633,201 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $8,224,050 | 1,009,086 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $364,500 | 30,000 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $355,982 | 29,299 | Shares | Defined | 2022-05-16 | |
| 2021-09-30 | $1,206,000 | 25,000 | Put | Defined | 2021-11-15 | |
| 2021-06-30 | $1,129,250 | 25,000 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $458,040 | 9,497 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,584,834 | 29,436 | Shares | Defined | 2021-02-16 | |
| 2020-06-30 | $313,517 | 10,120 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||