Who owns CLH?
Institutional ownership of Clean Harbors Inc. from Form 13F, Q2 2026
660 institutional managers reported holding Clean Harbors Inc. (CLH) in Form 13F filings for Q2 2026, with 49,444,860 shares worth $14.8B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 882,735 shares (+1.9%). 88 opened new positions and 54 sold out.
- Funds holding
- 660
- Value held
- $14.8B
- New / sold out
- 88 / 54
- Net shares, same filers
- +1.9%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of CLH
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $1.5B | 10.3% | 5,076,220 | Added |
| Wellington Management Group LLP | $943M | 6.4% | 3,155,233 | Trimmed |
| FMR LLC | $897M | 6.1% | 3,002,654 | Added |
| Vanguard Capital Management LLC | $652M | 4.4% | 2,182,972 | Added |
| Vanguard Portfolio Management LLC | $593M | 4.0% | 1,983,336 | Added |
| Jupiter Topco LLC | $478M | 3.2% | 1,598,574 | First report |
| State Street Corp | $473M | 3.2% | 1,582,004 | Added |
| D1 Capital Partners L.P. | $393M | 2.7% | 1,315,501 | Trimmed |
| Geode Capital Management, LLC | $337M | 2.3% | 1,129,240 | Added |
| Clearbridge Investments, LLC | $337M | 2.3% | 1,126,744 | Trimmed |
| First Trust Advisors LP | $297M | 2.0% | 993,170 | Added |
| Snyder Capital Management L P | $276M | 1.9% | 922,182 | Trimmed |
| Goldman Sachs Group Inc | $269M | 1.8% | 900,225 | Trimmed |
| Durable Capital Partners LP | $267M | 1.8% | 892,405 | Trimmed |
| FIL Ltd | $262M | 1.8% | 877,433 | Added |
| Bessemer Group Inc | $228M | 1.5% | 763,028 | Trimmed |
| Select Equity Group, L.P. | $218M | 1.5% | 728,374 | Trimmed |
| Norges Bank | $189M | 1.3% | 632,096 | New |
| Pictet Asset Management Holding SA | $182M | 1.2% | 608,808 | Trimmed |
| Dimensional Fund Advisors LP | $181M | 1.2% | 606,181 | Trimmed |
| Nordea Investment Management AB | $157M | 1.1% | 526,178 | Trimmed |
| Hood River Capital Management LLC | $149M | 1.0% | 498,747 | Added |
| AQR Capital Management LLC | $143M | 1.0% | 478,075 | Added |
| Bank of America Corp | $143M | 1.0% | 477,994 | Added |
| Charles Schwab Investment Management Inc | $142M | 1.0% | 473,991 | Trimmed |
Share of 13F holdings is each fund's shares as a share of the 49,444,860 CLH shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- FMR LLC Added+$269M
- Norges Bank New+$189M
- Hood River Capital Management LLC Added+$112M
- FIL Ltd Added+$110M
- Steadfast Capital Management LP New+$90.2M
- AQR Capital Management LLC Added+$88.9M
- Citadel Advisors LLC Added+$83.5M
- BlackRock, Inc. Added+$81.8M
- Qube Research & Technologies Ltd New+$73.8M
- First Trust Advisors LP Added+$64.2M
Biggest sellers in Q2 2026
- Lone Pine Capital LLC Sold out-$503M
- Pictet Asset Management Holding SA Trimmed-$189M
- Wellington Management Group LLP Trimmed-$126M
- Select Equity Group, L.P. Trimmed-$120M
- Two Sigma Investments, LP Trimmed-$89.9M
- Bessemer Group Inc Trimmed-$50.5M
- Durable Capital Partners LP Trimmed-$47.4M
- UBS Group AG Trimmed-$33.7M
- Amundi Trimmed-$29.6M
- Clearbridge Investments, LLC Trimmed-$22.7M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $2.0B and sold $1.7B; 203 added and 244 trimmed.
Schedule 13D and 13G filings on CLH
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-08-06FMR LLC SCHEDULE 13G filed by Clean Harbors Inc.Schedule 13G
Questions about CLH ownership
- Who owns CLH stock?
- 660 institutional investment managers reported CLH positions in their Form 13F filings for Q2 2026, holding 49,444,860 shares worth $14.8B in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling CLH?
- In Q2 2026, 88 managers opened new CLH positions, 203 added, 244 trimmed and 54 sold out. Managers that filed in both quarters added a net 882,735 shares.
- How current is this CLH institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to CLH by CUSIP. Options are left out. CLH news and filings · CLH insider trades · Top funds