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JANE STREET GROUP, LLC

Position in ICLR — Icon PLC

CIK 1595888 NEW YORK, NY

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, 2026
CallValue
$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, 2026

JANE 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
4 ICLR
Icon PLC
This page
374,800 $65,106,507

All Filings in ICLR

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50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,906,140 34,000
2026-06-30 $65,106,507 374,800
2026-06-30 $21,644,266 124,600
2026-03-31 $6,185,894 55,900
2026-03-31 $1,593,504 14,400
2026-03-31 $271,116 2,450
2025-12-31 $548,117 3,008
2025-12-31 $1,275,540 7,000
2025-12-31 $1,785,756 9,800
2025-09-30 $577,500 3,300
2025-09-30 $1,190,000 6,800
2025-09-30 $379,050 2,166
2025-06-30 $648,124 4,456
2025-06-30 $858,155 5,900
2025-06-30 $261,810 1,800
2025-03-31 $11,005,294 62,891
2025-03-31 $2,134,878 12,200
2024-12-31 $4,697,504 22,400
2024-12-31 $21,603,693 103,017
2024-12-31 $817,869 3,900
2024-09-30 $7,843,563 27,300
2024-09-30 $56,902,032 198,051
2024-09-30 $948,123 3,300
2024-06-30 $80,868,363 257,978
2024-03-31 $4,848,765 14,433
2023-12-31 $2,316,643 8,184
2023-09-30 $855,718 3,475
2023-06-30 $6,050,336 24,182
2023-03-31 $5,183,828 24,270
2022-12-31 $7,687,054 39,573
2022-09-30 $7,158,414 38,951
2022-06-30 $348,670 1,609
2022-03-31 $972,880 4,000
2022-03-31 $4,669,824 19,200
2021-12-31 $8,950,330 28,900
2021-12-31 $282,135 911
2021-12-31 $867,160 2,800
2021-09-30 $2,777,412 10,600
2021-09-30 $1,512,640 5,773
2021-09-30 $497,838 1,900
2021-06-30 $2,811,256 13,600
2021-06-30 $4,304,942 20,826
2021-06-30 $5,209,092 25,200
2021-03-31 $2,768,817 14,100
2021-03-31 $1,154,851 5,881
2020-12-31 $1,702,565 8,732
2020-12-31 $389,960 2,000
2020-09-30 $1,068,001 5,589
2020-06-30 $269,536 1,600
2020-06-30 $490,555 2,912