# CLEAN HARBORS INC COM

CLEAN HARBORS INC COM is a security (CUSIP 184496107) tracked across SEC portfolio filings. 655 institutional managers reported $13.0B on Form 13F as of 2026-06-30; 42 registered fund positions totaling $1.3B via N-PORT as of 2026-05-31.

## Summary

- Issuer: CLEAN HARBORS INC
- Class: COM
- CUSIP: 184496107
- Asset category: EC
- 13F holders: 655
- 13F value: $13.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 42
- N-PORT value: $1.3B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 655 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $1.4B | 4,802,492 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.1B | 4,489,676 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $1.0B | 3,577,034 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $675.4M | 2,355,394 |
| FMR LLC | BOSTON, MA | $602.5M | 2,101,179 |
| [LONE PINE CAPITAL LLC](https://search.stillhousedata.com/firm/156602) | Greenwich, CT | $503.2M | 1,754,950 |
| STATE STREET CORP | BOSTON, MA | $440.8M | 1,537,297 |
| [D1 Capital Partners L.P.](https://search.stillhousedata.com/firm/297298) | New York, NY | $383.7M | 1,338,281 |
| [Clearbridge Investments, LLC](https://search.stillhousedata.com/firm/137028) | New York, NY | $344.9M | 1,202,777 |
| Select Equity Group, L.P. | NEW YORK, NY | $324.5M | 1,131,602 |
| Durable Capital Partners LP | Bethesda, MD | $301.3M | 1,050,973 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $271.3M | 945,892 |
| [SNYDER CAPITAL MANAGEMENT L P](https://search.stillhousedata.com/firm/108518) | San Francisco, CA | $266.5M | 929,327 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $266.4M | 929,077 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $223.2M | 778,441 |

## Top fund holders (N-PORT)

_Showing 15 of 42 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $434.2M | 179.28% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $320.7M | 20.32% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $167.8M | 77.07% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $160.7M | 19.72% |
| [VANGUARD GROWTH AND INCOME FUND](https://search.stillhousedata.com/fund/S000002913) | VANGUARD QUANTITATIVE FUNDS | $62.9M | 38.10% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $49.0M | 60.75% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $26.9M | 61.99% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $10.1M | 39.68% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $8.8M | 2.42% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $7.7M | 1.31% |
| [Needham Growth Fund](https://search.stillhousedata.com/fund/S000003649) | Needham Funds Inc | $7.3M | 393.62% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $6.6M | 2.18% |
| [BNY Mellon Midcap Index Fund, Inc.](https://search.stillhousedata.com/fund/S000000078) | BNY MELLON MIDCAP INDEX FUND, INC. | $6.3M | 45.53% |
| [HARTFORD SMALL CAP GROWTH HLS FUND](https://search.stillhousedata.com/fund/S000004108) | HARTFORD HLS SERIES FUND II INC | $6.1M | 79.09% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $5.4M | 17.76% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/184496107.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.