CLH — CLEAN HARBORS INCToday's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.

Congress trades
13
all time
Members · 12m
1
2 buys · 6 sells · by trade date
Latest filing
09-09
2026-09-09
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.
0
every row filed inside 45 days
13F holders
500
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 13Institutional 500

Congress · disclosure timeline

By trade date · 24 months · 13 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.

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

Members active in CLH

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 CLH 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.
April McClain Delaney D–MD-68−$159K to $10.0K2

1 member

Congressional disclosures

Newest filed firstAll 13 rows ↗
Latest congressional filings mentioning CLH
FiledMemberSide · OwnerTraded · LagAmountRange · FlagsSrc
2026-09-09April McClain Delaney D–MD-6SELL DC (dependent-child-owned)Traded 08-25 +15d$50K–$100K
2026-08-03April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 07-28 +6d$1K–$15K
2026-08-03April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 07-27 +7d$1K–$15K
2026-08-03April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 07-24 +10d$1K–$15K
2026-06-05April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 05-01 +35d$1K–$15K
2026-05-06April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 04-30 +6d$1K–$15K
2026-03-10April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 02-23 +15d$15K–$50K
2026-01-05April McClain Delaney D–MD-6BUY DC (dependent-child-owned)Traded 2025-12-03 +33d$1K–$15K
2025-09-02April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 08-07 +26d$1K–$15K
2025-07-02April McClain Delaney D–MD-6SELL partial · DC (partial sale, dependent-child-owned)Traded 06-20 +12d$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 CLH for quarter 2026-03-31, 1–25 of 500 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·§
1BlackRock, Inc.$1.4B1
derived ·§ EDGAR ↗
2WELLINGTON MANAGEMENT GROUP LLP$1.0B1
derived ·§ EDGAR ↗
3Janus Henderson Group Ltd.$675M1
derived ·§ EDGAR ↗
4VANGUARD CAPITAL MANAGEMENT LLC$622M1
derived ·§ EDGAR ↗
5FMR LLC$602M1
derived ·§ EDGAR ↗
6VANGUARD PORTFOLIO MANAGEMENT LLC$563M1
derived ·§ EDGAR ↗
7LONE PINE CAPITAL LLC$503M1
derived ·§ EDGAR ↗
8STATE STREET CORP$441M1
derived ·§ EDGAR ↗
9D1 Capital Partners L.P.$384M1
derived ·§ EDGAR ↗
10Pictet Asset Management Holding SA$356M1
derived ·§ EDGAR ↗
11Clearbridge Investments, LLC$345M1
derived ·§ EDGAR ↗
12Select Equity Group, L.P.$324M1
derived ·§ EDGAR ↗
13Durable Capital Partners LP$301M1
derived ·§ EDGAR ↗
14GEODE CAPITAL MANAGEMENT, LLC$271M1
derived ·§ EDGAR ↗
15SNYDER CAPITAL MANAGEMENT L P$266M1
derived ·§ EDGAR ↗
16FIRST TRUST ADVISORS LP$223M1
derived ·§ EDGAR ↗
17TWO SIGMA INVESTMENTS, LP$208M1
derived ·§ EDGAR ↗
18DIMENSIONAL FUND ADVISORS LP$175M1
derived ·§ EDGAR ↗
19NORDEA INVESTMENT MANAGEMENT AB$159M1
derived ·§ EDGAR ↗
20UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$148M1
derived ·§ EDGAR ↗
21FIL Ltd$146M1
derived ·§ EDGAR ↗
22CHARLES SCHWAB INVESTMENT MANAGEMENT INC$136M1
derived ·§ EDGAR ↗
23NORTHERN TRUST CORP$129M1
derived ·§ EDGAR ↗
24WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$127M1
derived ·§ EDGAR ↗
25Invesco Ltd.$121M1
derived ·§ EDGAR ↗
Show all 500 holders
Truncated by Public Filings. All 495 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 · CLH

Congress · last 90 days

Buyers
0 — —
Sellers
1 April McClain Delaney D–MD-6 $53K–$145K

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

Notable managers · quarter ended 2026-03-31

Trimming
1 D1 Capital Partners $384M held

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

Merged timeline of congressional filings and notable-manager moves on CLH
DateWhoChangeSize
2026-09-09April McClain Delaney CongressSELL$50K–$100K
2026-08-03April McClain Delaney CongressSELL$1K–$15K
2026-08-03April McClain Delaney CongressSELL$1K–$15K
2026-08-03April McClain Delaney CongressSELL$1K–$15K
2026-05-15Lone Pine Capital 13FADD+376,825 sh
2026-05-15Gotham Asset Management 13FADD+22,337 sh
2026-05-15D1 Capital Partners 13FTRIM−1,443,601 sh

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

Congress vs filers

12 months
Congress net (rows)2 buy / 6 sell
Congress net ($ bound)−$159K to $10.0K
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.