Clean Harbors, Inc.
Clean Harbors, Inc. is a Public Limited Company registered in United States, and its current status with Massachusetts Secretary of the Commonwealth is active. Its registered address on file is Norwell, United States. 5 shareholders are on record for Clean Harbors, Inc., and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from Massachusetts Secretary of the Commonwealth and was last updated on 29 September 2026.
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Shareholders
5
Shareholders of Clean Harbors, Inc.
Five shareholders are currently on record for Clean Harbors, Inc., reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Vanguard Group Inc, holding 12.8% — the largest recorded stake — followed by Pictet Asset Management Holding SA at 5.4%; the remaining 3 shareholders shown hold smaller stakes. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Data availability
The register reports 6 shareholders in total, though only the top 5 by holding are shown in this view.
Data-provider feed — rows as supplied to Zavia for Massachusetts Secretary of the Commonwealth, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Vanguard Group Inc | 12.8% | Massachusetts Secretary of the Commonwealth | |
| Pictet Asset Management Holding SA | 5.4% | Massachusetts Secretary of the Commonwealth | |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 4.6% | Massachusetts Secretary of the Commonwealth | |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 3.3% | Massachusetts Secretary of the Commonwealth | |
| SPDR S&P MIDCAP 400 ETF TRUST | 1.1% | Massachusetts Secretary of the Commonwealth |
Officers
5
Directors and officers of Clean Harbors, Inc.
The Co-ceo, Co-president & Director of Clean Harbors, Inc. currently on record is Michael L. Battles Cpa; five officers are currently on record for Clean Harbors, Inc., filed with Massachusetts Secretary of the Commonwealth. Management authority at Clean Harbors, Inc. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control. The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
Data availability
The register reports 13 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Data-provider feed — rows as supplied to Zavia for Massachusetts Secretary of the Commonwealth, including entries the profile above does not cover. These rows are not a verbatim copy of the register: they have been found to duplicate the same person under different spellings and to keep a status of Active after an appointment ended. Where they disagree with the profile above, the profile is the checked version.
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Frequently Asked Questions
Who owns Clean Harbors, Inc.?
Five shareholders are currently on record for Clean Harbors, Inc., reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Vanguard Group Inc, holding 12.8% — the largest recorded stake — followed by Pictet Asset Management Holding SA at 5.4%; the remaining 3 shareholders shown hold smaller stakes. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is Clean Harbors, Inc.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for Clean Harbors, Inc. is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does Clean Harbors, Inc. have on record?
5 shareholders are shown on record for Clean Harbors, Inc.. The register reports 6 in total; only the top 5 by holding are shown here.
Is Clean Harbors, Inc. still an active company?
Clean Harbors, Inc.'s status on Massachusetts Secretary of the Commonwealth is listed as active.
What is Clean Harbors, Inc.'s registered address?
The registered address on file for Clean Harbors, Inc. is Norwell, United States.
What legal structure is Clean Harbors, Inc. registered as?
Clean Harbors, Inc. is registered as a Public Limited Company in United States.
Who are the officers/directors of Clean Harbors, Inc.?
The Co-ceo, Co-president & Director of Clean Harbors, Inc. currently on record is Michael L. Battles Cpa; five officers are currently on record for Clean Harbors, Inc., filed with Massachusetts Secretary of the Commonwealth. Management authority at Clean Harbors, Inc. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Can Zavia monitor changes to Clean Harbors, Inc.'s ownership over time?
This profile reflects a point-in-time snapshot from Massachusetts Secretary of the Commonwealth. Zavia's monitoring API can track changes to Clean Harbors, Inc.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access Clean Harbors, Inc.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like Clean Harbors, Inc.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Massachusetts Secretary of the Commonwealth and was last synced on 29 September 2026.