Position in ICLR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$65,106,507
+$64,835,391 QoQ
Shares Held
374,800
+15198.0% QoQ
Ownership
0.486%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#42
of 415 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ICLR Over Time
Shares Held
Position Value (USD)
Derivatives in ICLR
reported options exposure · as of Jun 30, 2026CallValue
$21,644,266
CallShares
124,600
PutValue
$5,906,140
PutShares
34,000
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 Jun 30, 2026JANE STREET GROUP, LLC holds $950,870,992 across 33 Diagnostics & Research names. ICLR ranks #4 (6.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GH |
Guardant Health, Inc.
|
1,783,444 | $267,570,103 | |
| 2 | NTRA |
Natera, Inc.
|
926,986 | $251,630,349 | |
| 3 | ILMN |
Illumina, Inc.
|
372,628 | $65,519,180 | |
| 4 | ICLR |
Icon PLC
This page
|
374,800 | $65,106,507 | |
| 5 | RVTY |
Revvity, Inc.
|
576,014 | $64,087,317 | |
| 6 | IDXX |
Idexx Laboratories Inc /De
|
105,108 | $55,333,055 | |
| 7 | IQV |
Iqvia Holdings Inc.
|
282,508 | $54,586,195 | |
| 8 | DHR |
Danaher Corp /De/
|
189,123 | $36,024,147 |
All Filings in ICLR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,906,140 | 34,000 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $65,106,507 | 374,800 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $21,644,266 | 124,600 | Call | Defined | 2026-08-14 | |
| 2026-03-31 | $6,185,894 | 55,900 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $1,593,504 | 14,400 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $271,116 | 2,450 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $548,117 | 3,008 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $1,275,540 | 7,000 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $1,785,756 | 9,800 | Put | Defined | 2026-02-12 | |
| 2025-09-30 | $577,500 | 3,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $1,190,000 | 6,800 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $379,050 | 2,166 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $648,124 | 4,456 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $858,155 | 5,900 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $261,810 | 1,800 | Put | Defined | 2025-08-14 | |
| 2025-03-31 | $11,005,294 | 62,891 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $2,134,878 | 12,200 | Put | Defined | 2025-05-19 | |
| 2024-12-31 | $4,697,504 | 22,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $21,603,693 | 103,017 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $817,869 | 3,900 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $7,843,563 | 27,300 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $56,902,032 | 198,051 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $948,123 | 3,300 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $80,868,363 | 257,978 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $4,848,765 | 14,433 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $2,316,643 | 8,184 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $855,718 | 3,475 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $6,050,336 | 24,182 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $5,183,828 | 24,270 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $7,687,054 | 39,573 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $7,158,414 | 38,951 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $348,670 | 1,609 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $972,880 | 4,000 | Put | Defined | 2022-05-17 | |
| 2022-03-31 | $4,669,824 | 19,200 | Call | Defined | 2022-05-17 | |
| 2021-12-31 | $8,950,330 | 28,900 | Call | Defined | 2022-02-15 | |
| 2021-12-31 | $282,135 | 911 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $867,160 | 2,800 | Put | Defined | 2022-02-15 | |
| 2021-09-30 | $2,777,412 | 10,600 | Call | Defined | 2021-11-16 | |
| 2021-09-30 | $1,512,640 | 5,773 | Shares | Defined | 2021-11-16 | |
| 2021-09-30 | $497,838 | 1,900 | Put | Defined | 2021-11-16 | |
| 2021-06-30 | $2,811,256 | 13,600 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $4,304,942 | 20,826 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $5,209,092 | 25,200 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $2,768,817 | 14,100 | Call | Defined | 2021-05-18 | |
| 2021-03-31 | $1,154,851 | 5,881 | Shares | Defined | 2021-05-18 | |
| 2020-12-31 | $1,702,565 | 8,732 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $389,960 | 2,000 | Call | Defined | 2021-02-17 | |
| 2020-09-30 | $1,068,001 | 5,589 | Shares | Defined | 2020-11-17 | |
| 2020-06-30 | $269,536 | 1,600 | Put | Defined | 2020-08-17 | |
| 2020-06-30 | $490,555 | 2,912 | Shares | Defined | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||