Market Cap
$16.4B
CLH
CLEAN HARBORS INC
$318.80 ▲ +2.01%
Prev close $312.51Market cap$16.4B
ConsensusBuy
12-mo target$358.33 (+12.4%)
▲ Bullish
Analyst conviction 7/10
Insider Selling Cluster (3 insiders)High Impact Filing (8/10)38 New Institutional Positions12 Institutional ExitsCongressional Activity (4) Industrials & Manufacturing
Snapshot
The big-picture read on CLH right now — valuation, ownership and activity at a glance.
Cap Size
Large Cap
Analyst Consensus
Strong Buy (71%)
Inst. Holders
50 funds
Inst. Value
$11.1B
Inst. Activity
38 buys / 12 sells
Insider Activity
$135.8K buy / $3.3M sell
Insider Net $
-$3.1M
Social Sentiment
67° Warm
SEC Reports
7
Congressional
6 trades
Price chart 30d +1.1%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 7, 2026 dark_pool
Dark Pool: CLH — 0.4M shares, 19,788 trades
Week starting 2026-09-07. Total ATS volume: 428,887 shares across 19,788 trades.
Aug 25, 2026 Congress
Aug 14, 2026 SEC April McClain Delaney sell
$50,001 - $100,000 — House
Four Clean Harbors insiders sold a total of $30.1M in shares over Feb 13-20, 2026, led by Executive Chair Alan McKim ($2
CLUSTER — Impact 4/10
Aug 14, 2026 Insider
Aug 12, 2026 SEC GERSTENBERG ERIC W sold 2,500 shares
CO-CEO @ $321.34 ($803.3K)
Clean Harbors announced a definitive agreement to acquire EnviroServe for $470 million in cash, a bolt-on acquisition th
8-K — Impact 6/10
Aug 3, 2026 Insider
Jul 29, 2026 SEC Robertson Andrea sold 789 shares
Director @ $314.01 ($247.8K)
Clean Harbors reported a record Q2 2026 with revenue up 12% YoY to $1.74B and EPS of $3.22, beating consensus by 14.6%.
8-K — Impact 8/10
Jul 28, 2026 Congress
April McClain Delaney sell
$1,001 - $15,000 — House
Analyst ratings buy % +12.7%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
71% rate it Buy or better · 21 analysts
Recent analyst actions
| Date | Firm | Action | Rating | Firm rating |
|---|---|---|---|---|
| Sep 10, 2026 | William Blair | INITIATE | Outperform | 51% |
| Jul 31, 2026 | Wells Fargo | MAINTAIN | Equal-Weight | 54% |
| Jul 30, 2026 | Citigroup | MAINTAIN | Buy | 55% |
| Jul 30, 2026 | Stifel | MAINTAIN | Buy | 54% |
| Jul 30, 2026 | TD Cowen | MAINTAIN | Buy | 56% |
| Jul 30, 2026 | Truist Securities | MAINTAIN | Buy | 55% |
| Jul 30, 2026 | Barclays | MAINTAIN | Equal-Weight | 54% |
| Jul 30, 2026 | Needham | MAINTAIN | Buy | 50% |
| Jul 27, 2026 | B of A Securities | INITIATE | Buy | 54% |
| Jul 22, 2026 | Truist Securities | MAINTAIN | Buy | 55% |
Monthly consensus history
| Period | Str. Buy | Buy | Hold | Sell | Str. Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | 7 | 8 | 6 | 0 | 0 | 71% | |
| Aug 1, 2026 | 7 | 8 | 6 | 0 | 0 | 71% | |
| Jul 1, 2026 | 6 | 8 | 6 | 0 | 0 | 70% | |
| Jun 1, 2026 | 6 | 9 | 5 | 0 | 0 | 75% | |
| May 1, 2026 | 5 | 9 | 5 | 0 | 0 | 74% | |
| Apr 1, 2026 | 4 | 8 | 7 | 0 | 0 | 63% | |
| Mar 1, 2026 | 4 | 8 | 7 | 0 | 0 | 63% | |
| Feb 1, 2026 | 4 | 8 | 7 | 0 | 0 | 63% |
Price targets
Where 15 covering analysts think CLH trades over the next 12 months.
$358.33 +12.4% upside Buy
Current$318.81 Low$325.00 Median$362.00 High$390.00 15 analysts
$325.00$390.00
Analyst rating Buy· 1.6/5 as of Oct 2, 2026
Social media sentiment mood +0.0%
Retail-investor mood aggregated across social media. 0° = very bearish, 100° = very bullish.
67°
Warm
BearishNeutralBullish
Recent posts
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
7 SEC filing reports analyzed · 4 bullish, 0 bearish, 0 mixed, 3 neutral · avg impact 5.4/10.
NEUTRALCLUSTER4/10
Four Clean Harbors insiders sold a total of $30.1M in shares over Feb 13-20, 2026, led by Executive
Aug 14, 2026
BULLISH8-K6/10
Clean Harbors announced a definitive agreement to acquire EnviroServe for $470 million in cash, a bo
Aug 12, 2026
BULLISH8-K8/10
Clean Harbors reported a record Q2 2026 with revenue up 12% YoY to $1.74B and EPS of $3.22, beating
Jul 29, 2026
BULLISH8-K6/10
Clean Harbors completed its $225M all-cash acquisition of Terra Nova Solutions, a regional hazardous
May 14, 2026
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 7, 2026
dark_pool
Dark Pool: CLH — 0.4M shares, 19,788 trades
Week starting 2026-09-07. Total ATS volume: 428,887 shares across 19,788 trades.
Aug 31, 2026
dark_pool
Dark Pool: CLH — 0.7M shares, 26,758 trades
Week starting 2026-08-31. Total ATS volume: 660,888 shares across 26,758 trades.
Aug 24, 2026
dark_pool
Dark Pool: CLH — 0.5M shares, 25,152 trades
Week starting 2026-08-24. Total ATS volume: 524,254 shares across 25,152 trades.
Aug 17, 2026
dark_pool
Dark Pool: CLH — 1.0M shares, 30,723 trades
Week starting 2026-08-17. Total ATS volume: 952,884 shares across 30,723 trades.
Aug 10, 2026
dark_pool
Dark Pool: CLH — 0.7M shares, 26,103 trades
Week starting 2026-08-10. Total ATS volume: 665,345 shares across 26,103 trades.
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
| Period | EPS Est. | Range | Growth | 30d Rev | Up/Dn | Revenue | # |
|---|---|---|---|---|---|---|---|
| Current Q | $3.21 | $2.99–$3.51 | 45.5% | +0.6% | 2↑ 0↓ | $1.7B | 14 |
| Next Q | $2.22 | $1.88–$2.62 | 28.1% | +2.2% | 1↑ 1↓ | $1.6B | 14 |
| Current FY | $9.86 | $9.58–$10.29 | 33.4% | +0.7% | 2↑ 0↓ | $6.5B | 14 |
| Next FY | $10.00 | $9.07–$11.30 | 1.5% | +0.6% | 2↑ 0↓ | $6.8B | 14 |
Current-quarter EPS estimate — revision history
| When | EPS estimate | Change vs now |
|---|---|---|
| Current | $3.215 | — |
| 7d ago | $3.196 | +0.019 |
| 30d ago | $3.195 | +0.020 |
| 60d ago | $3.208 | +0.006 |
| 90d ago | $2.650 | +0.565 |
Institutional ownership
Which big funds own CLH (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $11.1B total value (37,273,963 shares) as of 2026-Q2. Top holders: BlackRock,, WELLINGTON, FMR. Net buying activity: 38 institutions added/increased vs 12 reduced.
Top holders — 2026-Q2
| Fund | Shares | Value | % Tracked | Last move |
|---|---|---|---|---|
| BlackRock, Inc. | 5,076,220 | $1.5B | 13.6% | — |
| WELLINGTON MANAGEMENT GROUP LLP | 3,155,233 | $942.6M | 8.5% | — |
| FMR LLC | 3,002,654 | $897.0M | 8.1% | ADD +42.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,182,972 | $652.2M | 5.9% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,983,336 | $592.5M | 5.3% | — |
| Jupiter Topco LLC | 1,598,574 | $477.6M | 4.3% | — |
| STATE STREET CORP | 1,582,004 | $472.6M | 4.2% | — |
| D1 Capital Partners L.P. | 1,315,501 | $393.0M | 3.5% | — |
| GEODE CAPITAL MANAGEMENT, LLC | 1,129,240 | $337.4M | 3.0% | — |
| Clearbridge Investments, LLC | 1,126,744 | $336.6M | 3.0% | — |
Recent position changes
| Fund | Action | Prev | Current | Change | Value |
|---|---|---|---|---|---|
| FMR LLC | ADD | 2,101,179 | 3,002,654 | +42.9% | $897.0M |
| FIRST TRUST ADVISORS LP | ADD | 778,441 | 993,170 | +27.6% | $296.7M |
| FIL Ltd | ADD | 509,679 | 877,433 | +72.2% | $262.1M |
| Select Equity Group, L.P. | TRIM | 1,131,602 | 728,374 | -35.6% | $217.6M |
| NORGES BANK | NEW | — | 632,096 | — | $188.8M |
| Pictet Asset Management Holding SA | TRIM | 1,242,142 | 608,808 | -51.0% | $181.9M |
| Hood River Capital Management LLC | DOUBLED | 124,275 | 498,747 | +301.3% | $149.0M |
| BANK OF AMERICA CORP /DE/ | ADD | 311,907 | 477,994 | +53.2% | $142.8M |
| CITADEL ADVISORS LLC | DOUBLED | 34,822 | 314,347 | +802.7% | $93.9M |
| JANE STREET GROUP, LLC | ADD | 132,797 | 258,710 | +94.8% | $77.3M |
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
21 insiders, 50 transactions. Net -$3.1M — $135.8K bought, $3.3M sold.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | GERSTENBERG ERIC W | CO-CEO | SELL | 2,500 | $321.34 | $803.3K |
| Aug 3, 2026 | Robertson Andrea | Director | SELL | 789 | $314.01 | $247.8K |
| Jul 17, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | TAX W/H | 1,265 | $310.58 | $392.9K |
| Jul 1, 2026 | GERSTENBERG ERIC W | CO-CEO | TAX W/H | 564 | $290.74 | $164.0K |
| Jul 1, 2026 | Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | TAX W/H | 447 | $290.74 | $130.0K |
| Jul 1, 2026 | CURTIS GEORGE L | EXEC. VICE PRESIDENT (CHESI) | TAX W/H | 1,757 | $290.74 | $510.8K |
| Jul 1, 2026 | Battles Michael Louis | CO-CEO | TAX W/H | 1,032 | $290.74 | $300.0K |
| Jul 1, 2026 | Underwood Rebecca | PRESIDENT & EVP FACILITIES | TAX W/H | 311 | $290.74 | $90.4K |
| Jul 1, 2026 | GERSTENBERG ERIC W | CO-CEO | TAX W/H | 564 | $290.74 | $164.0K |
| Jul 1, 2026 | MCKIM ALAN S | EXEC CHAIR, CTO. | TAX W/H | 1,343 | $290.74 | $390.5K |
Congressional trades
CLH trades disclosed by members of Congress, with disclosure delay.
1 members · 1 buys / 5 sells
| Date | Member | Party | Chamber | Type | Amount | Asset | Disclosed |
|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | April McClain Delaney | D | HOUSE | SELL | $50,001 - $100,000 | Clean Harbors Inc | Sep 10, 2026(17d) |
| Jul 28, 2026 | April McClain Delaney | D | HOUSE | SELL | $1,001 - $15,000 | Clean Harbors Inc | Aug 4, 2026(8d) |
| Jul 27, 2026 | April McClain Delaney | D | HOUSE | SELL | $1,001 - $15,000 | Clean Harbors Inc | Aug 4, 2026(9d) |
| Jul 24, 2026 | April McClain Delaney | D | HOUSE | SELL | $1,001 - $15,000 | Clean Harbors Inc | Aug 4, 2026(12d) |
| Apr 30, 2026 | April McClain Delaney | D | HOUSE | SELL | $1,001 - $15,000 | Clean Harbors Inc | May 7, 2026(8d) |
| Feb 23, 2026 | April McClain Delaney | D | HOUSE | BUY | $15,001 - $50,000 | Clean Harbors Inc | Mar 11, 2026(17d) |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for CLH.
Shares short
1,128,021
Settlement Sep 15, 2026
Change vs prior
+7.3%
Semi-monthly cycle
Days to cover
3.3
At avg daily volume
Of shares outstanding
≈2.1%
Estimate — not % of float
All CLH filing & press-release reports (7)
- CLUSTER reportAug 14, 2026
- 8-K reportAug 12, 2026
- 8-K reportJul 29, 2026
- 8-K reportMay 14, 2026
- 8-K reportMay 6, 2026
- DEFA14A reportApr 10, 2026
- CLUSTER reportMar 19, 2026