Manhattan West Asset Management, LLC ICLR — ICON PLC

Ownership history in Manhattan West Asset Management, LLC  ·  16 quarters on record

AI Ownership Summary

Manhattan West Asset Management, LLC reported ICON PLC (ICLR) in 16 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 1.12% in 2024 Q3. The latest visible filing shows ICLR at 0.67% 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 Manhattan West Asset Management, 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 0.67% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.12% in 2024 Q3

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

Time in book
Holding Window
2023 Q4 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 Manhattan West Asset Management, LLC fund profile Manhattan West Asset Management, LLC full holdings
How Manhattan West Asset Management, LLC held ICLR — position size vs. price
% of Fund (quarterly)    ICLR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED — — — 17,939 +961 +5.7% 0.67% $3.3M 2026-02-02 $178.59
2025 Q3 REDUCED 17.5% +4.2% ❌ 16,978 -3,610 -17.5% 0.63% $3.0M 2025-11-24 $164.55
2025 Q2 ADDED — — — 20,588 +3,948 +23.7% 0.69% $3.0M 2025-08-15 $175.84
2025 Q1 ADDED — — — 16,640 +3,483 +26.5% 0.74% $2.9M 2025-05-12 $140.22
2024 Q4 REDUCED 12.4% -16.6% ✅ 13,157 -1,864 -12.4% 0.74% $2.8M 2025-02-13 $182.64
2024 Q3 ADDED — — — 15,021 +3,268 +27.8% 1.12% $4.3M 2024-11-14 $200.02
2024 Q2 REDUCED 10.6% -8.3% ✅ 11,753 -1,391 -10.6% 1.00% $3.7M 2024-08-14 $317.42
2024 Q1 ADDED — — — 13,144 +1,343 +11.4% 1.06% $4.4M 2024-05-15 $321.80
2023 Q4 ADDED — — — 11,801 +1,675 +16.5% 0.94% $3.3M 2024-02-12 $278.05
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ICLR

As of 2026 Q1 — sorted by position size

PERRY CREEK CAPITAL LP 3Y 16.89% Trinity Street Asset Management LLP 3Y 7Y 9.17% Brave Warrior Advisors, LLC 3Y 7Y 8.21% Hyperion Capital Advisors LP 3Y 7.59% Circumference Group LLC 7.19% Eagle Health Investments LP 3Y 6.94% Madison Avenue Partners, LP 3Y 6.17% Sachem Head Capital Management LP 3Y 7Y 5.61% LAKEWOOD CAPITAL MANAGEMENT, LP 3Y 7Y 5.23% HUDSON EDGE INVESTMENT PARTNERS INC. 3Y 7Y 5.16%

FAQ About Manhattan West Asset Management, 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 Manhattan West Asset Management, LLC reported owning ICLR?

Manhattan West Asset Management, LLC reported ICLR across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ICLR position in Manhattan West Asset Management, LLC's portfolio?

The largest reported portfolio weight for ICLR was 1.12% in 2024 Q3.

What is the latest reported ICLR position on this page?

The most recent filing on this page is 2025 Q4, when Manhattan West Asset Management, LLC reported 17,939 shares, equal to 0.67% of portfolio, with an estimated market value of $3.3M.

What does the chart on this ICLR ownership page compare?

The chart compares Manhattan West Asset Management, 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.

How well did Manhattan West Asset Management, LLC time their ICLR position?

Based on 13F filing dates vs. subsequent ICLR price moves, Manhattan West Asset Management, LLC correctly timed 9 out of 15 reported position changes (60%). The annualised alpha on ICLR relative to SPY over the holding period was -19.1%.

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