ICLR — ICON PLC

Ownership history in Walleye Capital LLC  ·  49 quarters on record

AI Ownership Summary

Walleye Capital LLC reported ICON PLC (ICLR) in 49 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 0.1% in 2025 Q2. The latest visible filing shows ICLR at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ICLR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Walleye Capital LLC's position in ICON PLC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

ICLR was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.1% in 2025 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

ICLR stock page Walleye Capital LLC fund profile Walleye Capital LLC full holdings
How Walleye Capital LLC held ICLR — position size vs. price
% of Fund (quarterly)    ICLR price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 28 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 100 -134,181 -99.9% 0.00% $18K 2026-02-14 (Est.) $93.00
2025 Q4 ADDED 134,281 +133,181 +12107.4% 0.08% $24.5M 2026-02-14 (Est.) $93.00
2025 Q3 REDUCED 1,100 -500 -31.2% 0.00% $192K 2025-11-14 $162.18
2025 Q3 REDUCED 1,600 -87,516 -98.2% 0.00% $280K 2025-11-14 $162.18
2025 Q3 ADDED 89,116 +84,916 +2021.8% 0.06% $15.6M 2025-11-14 $162.18
2025 Q2 ADDED 4,200 +1,700 +68.0% 0.00% $611K 2025-08-13 $176.29
2025 Q2 REDUCED 2,500 -176,808 -98.6% 0.00% $364K 2025-08-13 $176.29
2025 Q2 ADDED 179,308 +175,408 +4497.6% 0.10% $26.1M 2025-08-13 $176.29
2025 Q1 REDUCED 3,900 -29,175 -88.2% 0.00% $682K 2025-05-14 $132.23
2025 Q1 ADDED 33,075 +31,875 +2656.2% 0.03% $5.8M 2025-05-14 $132.23
2025 Q1 ADDED 1,200 +1,100 +1100.0% 0.00% $210K 2025-05-14 $132.23
2024 Q4 REDUCED 100 -104,271 -99.9% 0.00% $21K 2025-02-13 $182.64
2024 Q4 ADDED 104,371 +103,471 +11496.8% 0.05% $21.9M 2025-02-13 $182.64
2024 Q4 REDUCED 900 -133,106 -99.3% 0.00% $189K 2025-02-13 $182.64
2024 Q3 ADDED 134,006 +130,806 +4087.7% 0.08% $38.5M 2024-11-14 $200.02
2024 Q3 REDUCED 3,200 -5,500 -63.2% 0.00% $919K 2024-11-14 $200.02
2024 Q3 REDUCED 8,700 -126,877 -93.6% 0.01% $2.5M 2024-11-14 $200.02
2024 Q2 ADDED 135,577 +121,477 +861.5% 0.08% $42.5M 2024-08-14 $317.42
2024 Q2 REDUCED 14,100 -4,000 -22.1% 0.01% $4.4M 2024-08-14 $317.42
2024 Q2 ADDED 18,100 +8,700 +92.6% 0.01% $5.7M 2024-08-14 $317.42
2024 Q1 ADDED 9,400 +6,100 +184.8% 0.01% $3.2M 2024-05-15 $321.80
2024 Q1 REDUCED 3,300 -71,287 -95.6% 0.00% $1.1M 2024-05-15 $321.80
2024 Q1 ADDED 74,587 +39,370 +111.8% 0.04% $25.1M 2024-05-15 $321.80
2023 Q4 ADDED 35,217 +34,517 +4931.0% 0.02% $10.0M 2024-02-14 $292.72
2023 Q4 REDUCED 700 -8,300 -92.2% 0.00% $198K 2024-02-14 $292.72
2023 Q4 REDUCED 9,000 -2,200 -19.6% 0.01% $2.5M 2024-02-14 $292.72
2023 Q3 ADDED 11,200 +5,900 +111.3% 0.01% $2.8M 2023-11-14 $266.95
2023 Q3 ADDED 5,300 +2,300 +76.7% 0.00% $1.3M 2023-11-14 $266.95
21 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ICLR

As of 2025 Q4 — sorted by position size

Trinity Street Asset Management LLP 3Y 7Y 12.28% PERRY CREEK CAPITAL LP 3Y 10.39% Eagle Health Investments LP 3Y 9.89% HUDSON EDGE INVESTMENT PARTNERS INC. 3Y 7Y 7.03% ARMOR ADVISORS, L.L.C. 3Y 6.5% Hyperion Capital Advisors LP 3Y 5.89% Circumference Group LLC 5.5% Ruane, Cunniff & Goldfarb L.P. 3Y 7Y 4.78% Prosight Management, LP 3Y 7Y 4.14% LAKEWOOD CAPITAL MANAGEMENT, LP 3Y 7Y 4.01%

FAQ About Walleye Capital LLC and ICLR

These are the practical questions this page is built to answer before you even open the full history table.

How long has Walleye Capital LLC reported owning ICLR?

Walleye Capital LLC reported ICLR across 28 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported ICLR position in Walleye Capital LLC's portfolio?

The largest reported portfolio weight for ICLR was 0.10% in 2025 Q2.

What is the latest reported ICLR position on this page?

The most recent filing on this page is 2025 Q4, when Walleye Capital LLC reported 100 shares, equal to 0.00% of portfolio, with an estimated market value of $18K.

What does the chart on this ICLR ownership page compare?

The chart compares Walleye Capital LLC's quarterly ICLR portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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