CLEAN HARBORS INC CLH
CIK 0000822818 · CUSIP 184496107
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | WELLINGTON MANAGEMENT GROUP LLP CIK 902219 · View history | $1.04B 5,293,796 shares | 0.20% | +1.25M(+30.90%)Added | SEC filing ↗ May 13, 2025 | ▾ |
| 02 | VANGUARD GROUP INC CIK 102909 · View history | $912.04M 4,627,280 shares | 0.02% | -31.78K(-0.70%)Reduced | SEC filing ↗ May 9, 2025 | ▾ |
| 03 | BlackRock, Inc. CIK 2012383 · View history | $903.61M 4,584,526 shares | 0.02% | -75.72K(-1.60%)Reduced | SEC filing ↗ May 2, 2025 | ▾ |
| 04 | JANUS HENDERSON GROUP PLC CIK 1274173 · View history | $421.61M 2,138,523 shares | 0.23% | +526.44K(+32.70%)Added | SEC filing ↗ May 15, 2025 | ▾ |
| 05 | Pictet Asset Management Holding SA CIK 1993888 · View history | $341.74M 1,733,837 shares | 0.38% | +75.71K(+4.60%)Added | SEC filing ↗ May 5, 2025 | ▾ |
| 06 | STATE STREET CORP CIK 93751 · View history | $311.91M 1,582,478 shares | 0.01% | +13.62K(+0.90%)Added | SEC filing ↗ May 15, 2025 | ▾ |
| 07 | Clearbridge Investments, LLC CIK 1348883 · View history | $245.09M 1,243,475 shares | 0.21% | +88.14K(+7.60%)Added | SEC filing ↗ May 13, 2025 | ▾ |
| 08 | SNYDER CAPITAL MANAGEMENT L P CIK 1050477 · View history | $219.81M 1,115,242 shares | 4.80% | -22.65K(-2.00%)Reduced | SEC filing ↗ May 15, 2025 | ▾ |
| 09 | Select Equity Group, L.P. CIK 1592643 · View history | $215.26M 1,092,159 shares | 0.96% | -659.32K(-37.60%)Reduced | SEC filing ↗ May 15, 2025 | ▾ |
| 10 | BESSEMER GROUP INC CIK 1054074 · View history | $199.63M 1,012,822 shares | 0.36% | -82.34K(-7.50%)Reduced | SEC filing ↗ Apr 23, 2025 | ▾ |
| 11 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC CIK 861177 · View history | $177.30M 899,566 shares | 0.05% | +504.29K(+127.60%)Added | SEC filing ↗ May 19, 2025 | ▾ |
| 12 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $175.87M 892,027 shares | 0.01% | +43.05K(+5.10%)Added | SEC filing ↗ May 13, 2025 | ▾ |
| 13 | Invesco Ltd. CIK 914208 · View history | $140.55M 713,090 shares | 0.03% | -874.99K(-55.10%)Reduced | SEC filing ↗ May 12, 2025 | ▾ |
| 14 | THORNBURG INVESTMENT MANAGEMENT INC CIK 1145020 · View history | $138.98M 70,512 shares | 0.29% | -5.43K(-7.20%)Reduced | SEC filing ↗ May 8, 2025 | ▾ |
| 15 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $129.80M 658,565 shares | 0.03% | -18.33K(-2.70%)Reduced | SEC filing ↗ May 13, 2025 | ▾ |
| 16 | FMR LLC CIK 315066 · View history | $126.91M 643,900 shares | 0.01% | -1.04M(-61.70%)Reduced | SEC filing ↗ May 12, 2025 | ▾ |
| 17 | NORGES BANK CIK 1374170 · Amended · View history | $121.04M 614,095 shares | 0.02% | +18.92K(+3.20%)Added | SEC filing ↗ May 13, 2025 | ▾ |
| 18 | FIRST TRUST ADVISORS LP CIK 1125816 · View history | $105.51M 535,311 shares | 0.09% | +165.37K(+44.70%)Added | SEC filing ↗ May 14, 2025 | ▾ |
| 19 | NORTHERN TRUST CORP CIK 73124 · View history | $96.53M 489,738 shares | 0.01% | -8.48K(-1.70%)Reduced | SEC filing ↗ May 13, 2025 | ▾ |
| 20 | Impax Asset Management Group plc CIK 1749768 · View history | $94.00M 483,253 shares | 0.57% | +48.45K(+11.10%)Added | SEC filing ↗ Apr 29, 2025 | ▾ |
Showing 20 / 565 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 565 reporting institutions.
This page includes 20 of 565 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
＋ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 565 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP / CLI.
MCP https://api.akkrudata.ai/mcp
akkru_institutional_holdings
{"action":"holders","cusip":"184496107","quarter":"2025Q1","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP / CLI documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.