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TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in ICLR — Icon PLC

CIK 1450144 NEW YORK, NY

Position in ICLR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$276,893
-$128,364 QoQ
Shares Held
1,594
-28.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#278
of 422 holders
Holding Since
Jun 2022
13 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 Dec 31, 2023
CallValue
$254,763
CallShares
900
PutValue
$0
PutShares
0

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

TWO SIGMA SECURITIES, LLC holds $7,817,568 across 11 Diagnostics & Research names. ICLR ranks #9 (3.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ICLR

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $276,893 1,594
2025-12-31 $405,257 2,224
2025-09-30 $839,475 4,797
2025-06-30 $1,057,712 7,272
2025-03-31 $456,898 2,611
2024-12-31 $269,477 1,285
2024-09-30 $226,400 788
2024-06-30 $1,066,111 3,401
2023-12-31 $254,763 900
2023-12-31 $406,771 1,437
2023-09-30 $266,442 1,082
2023-09-30 $886,500 3,600
2023-09-30 $1,182,000 4,800
2023-03-31 $437,005 2,046
2022-09-30 $478,930 2,606
2022-06-30 $332,634 1,535