ICLR — ICON PLCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
12
all time
Members · 12m
2
0 buys · 3 sells · by trade date
Latest filing
09-01
2026-09-01
Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
1
13F holders
438
all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress 12Institutional 438

Congress · disclosure timeline

By trade date · 24 months · 3 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

3 dated disclosures in the window, placed by trade date; magnitudes are the disclosed lower bounds, against gridlines at $15K, $250K, $5M.

Members active in ICLR

12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).
Members disclosing ICLR in the trailing 12 months
MemberRowsNet disclosed flow for this ticker: purchases minus sales, computed as a net range on the disclosed amounts. A lower bound is provable, never a point.Number of committees the member sat on as of their latest trade date in the window, from the cc0-legislators roster snapshot. Context, never an allegation; jurisdiction overlap needs the sector join.
Kevin Hern R–OK-12−$300K to −$115K1
Julia Letlow R–LA-51−$15.0K to −$1.0K2

2 members

Congressional disclosures

Newest filed firstAll 12 rows ↗
Latest congressional filings mentioning ICLR
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-01Kevin Hern R–OK-1SELL partial · JT (partial sale, jointly owned)Traded 08-14 +18d$15K–$50K
2026-04-03Kevin Hern R–OK-1SELL JT (jointly owned)Traded 03-05 +29d$100K–$250K
2026-03-12Julia Letlow R–LA-5SELLTraded 02-12 +28d$1K–$15K
2024-09-06John James R–MI-10SELLTraded 09-04 +2d$1K–$15K
2024-09-02John James R–MI-10BUYTraded 06-12 LATE·82d$1K–$15K
2023-02-14Kevin Hern R–OK-1SELL JT (jointly owned)Traded 01-31 +14d$1K–$15K
2021-10-07Kevin Hern R–OK-1BUY JT (jointly owned)Traded 09-02 +35d$15K–$50K
2021-06-15Kevin Hern R–OK-1BUY JT (jointly owned)Traded 05-18 +28d$100K–$250K
2020-08-15Kevin Hern R–OK-1BUY JT (jointly owned)Traded 07-27 +19d$1K–$15K
2019-12-15Kevin Hern R–OK-1BUY JT (jointly owned)Traded 11-07 +38d$1K–$15K

13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only

Top institutional holders of ICLR for quarter 2026-03-31, 1–25 of 438 holders
#FilerValueSecuritiesFlagsderived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§
1Artisan Partners Limited Partnership$916M1
derived ·§ EDGAR ↗
2WELLINGTON MANAGEMENT GROUP LLP$654M1
derived ·§ EDGAR ↗
3HARRIS ASSOCIATES L P$482M1
derived ·§ EDGAR ↗
4FMR LLC$462M1
derived ·§ EDGAR ↗
5Invesco Ltd.$429M1
derived ·§ EDGAR ↗
6PRINCIPAL FINANCIAL GROUP INC$366M1
derived ·§ EDGAR ↗
7Brave Warrior Advisors, LLC$332M1
derived ·§ EDGAR ↗
8MASSACHUSETTS FINANCIAL SERVICES CO /MA/$305M1
derived ·§ EDGAR ↗
9ALLIANCEBERNSTEIN L.P.$245M1
derived ·§ EDGAR ↗
10Sachem Head Capital Management LP$233M1
derived ·§ EDGAR ↗
11Ruane, Cunniff & Goldfarb L.P.$181M1
derived ·§ EDGAR ↗
12BRANDES INVESTMENT PARTNERS, LP$159M1
derived ·§ EDGAR ↗
13Madison Avenue Partners, LP$142M1
derived ·§ EDGAR ↗
14Trinity Street Asset Management LLP$134M1
derived ·§ EDGAR ↗
15D. E. Shaw & Co., Inc.$133M1
derived ·§ EDGAR ↗
161832 Asset Management L.P.$132M1
derived ·§ EDGAR ↗
17Capital World Investors$122M1
derived ·§ EDGAR ↗
18EQUITY INVESTMENT CORP$121M1
derived ·§ EDGAR ↗
19First Pacific Advisors, LP$110M1
derived ·§ EDGAR ↗
20EARNEST PARTNERS LLC$98.0M1
derived ·§ EDGAR ↗
21Holocene Advisors, LP$93.0M1
derived ·§ EDGAR ↗
22Boston Partners$92.4M1
derived ·§ EDGAR ↗
23DIMENSIONAL FUND ADVISORS LP$87.3M1
derived ·§ EDGAR ↗
24FRANKLIN RESOURCES INC$86.5M1
derived ·§ EDGAR ↗
25SEI INVESTMENTS CO$83.8M1
derived ·§ EDGAR ↗
Show all 438 holders
Truncated by Public Filings. All 314 13F filers reporting this share class are listed. Method ↗

Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.

Congress ↔ notable managers · ICLR

Congress · last 90 days

Buyers
0 — —
Sellers
1 Kevin Hern R–OK-1 $15K–$50K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Notable managers · quarter ended 2026-03-31

Trimming
1 Ruane Cunniff & Goldfarb $181M held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · ICON PLC

Merged timeline of congressional filings and notable-manager moves on ICLR
DateWhoChangeSize
2026-09-01Kevin Hern CongressSELL$15K–$50K
2026-05-15Sachem Head Capital 13FNEW+2,105,000 sh
2026-05-15Moore Capital Management 13FADD+90,018 sh
2026-05-15Ruane Cunniff & Goldfarb 13FTRIM−44,979 sh

4 newest, by filing date · 13F rows are quarter-end snapshots, not trades

Congress vs filers

12 months
Congress net (rows)0 buy / 3 sell
Congress net ($ bound)−$315K to −$116K
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.