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Security record · archived quarter

CLH

Clean Harbors, Inc. · Industrials · Waste Management

312.30 +1.2% mkt cap $16.49B quote delayed (FMP) · as of Aug 26 18:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
16Tracked holders
+2Δ holders
9.92MShares held
$1.95BReported value
+4New positions
−2Exits
Strongly Rising Conviction score 64/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +14.3% · share flow +21.3% · net new positions +12.5%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 135 +5 32.08M $9.58B +10 −5
Q1 2026 133 +6 33.81M $9.68B +10 −5
Q4 2025 126 0 36.55M $8.53B +3 −2
Q3 2025 17 -3 18.72M $4.35B +1 −5
Q2 2025 18 -1 19.25M $4.45B +1 −2
Q1 2025 16 +2 9.92M $1.95B +4 −2
Q4 2024 14 -2 8.18M $1.88B +2 −4
Q3 2024 15 +4 6.01M $1.45B +4
Q2 2024 11 6.21M $1.40B
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
2 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
3 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
4 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
5 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
6 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
7 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
8 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
9 Wellington Management 5.29M +30.9% $1.04B 0.2% ▲ Add 4 SEC ↗
10 State Street Global Advisors (passive) 1.58M +0.9% $311.91M 0.0% ▲ Add 2 SEC ↗
11 Geode Capital Management (passive) 892.03K +5.1% $175.87M 0.0% ▲ Add 4 SEC ↗
12 Geode Capital Management (passive) 892.03K +5.1% $175.87M 0.0% ▲ Add 4 SEC ↗
13 Norges Bank (passive) 614.10K +3.2% $121.04M 0.0% ▲ Add 4 SEC ↗
14 Millennium Management 362.89K New $71.53M 0.1% New 1 SEC ↗
15 T. Rowe Price 273.25K -4.5% $53.86M 0.0% ▼ Trim 4 SEC ↗
16 T. Rowe Price 273.25K -4.5% $53.86M 0.0% ▼ Trim 4 SEC ↗
17 Adage Capital Partners 227.00K +134.0% $44.74M 0.1% ▲ Add 2 SEC ↗
18 Marshall Wace 185.22K -44.2% $36.51M 0.0% ▼ Trim 4 SEC ↗
19 Marshall Wace 185.22K -44.2% $36.51M 0.0% ▼ Trim 4 SEC ↗
20 Two Sigma Investments 128.23K +58.1% $25.27M 0.1% ▲ Add 4 SEC ↗
21 D. E. Shaw & Co. 111.71K New $22.02M 0.0% New 1 SEC ↗
22 Point72 Asset Management 109.16K -30.6% $21.52M 0.1% ▼ Trim 3 SEC ↗
23 Citadel Advisors 45.37K New $8.94M 0.0% New 1 SEC ↗
24 Citadel Advisors 45.37K New $8.94M 0.0% New 1 SEC ↗
25 Gotham Asset Management 36.18K +20.9% $7.13M 0.1% ▲ Add 4 SEC ↗
26 AQR Capital Management 32.23K -63.3% $6.27M 0.0% ▼ Trim 4 SEC ↗
27 AQR Capital Management 32.23K -63.3% $6.27M 0.0% ▼ Trim 4 SEC ↗
28 AQR Capital Management 32.23K -63.3% $6.27M 0.0% ▼ Trim 4 SEC ↗
29 AQR Capital Management 32.23K -63.3% $6.27M 0.0% ▼ Trim 4 SEC ↗
30 Arrowstreet Capital 21.29K New $4.20M 0.0% New 1 SEC ↗
31 Renaissance Technologies 3.43K -86.1% $676,644 0.0% ▼ Trim 4 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Millennium Management $71.53M 0.1%
D. E. Shaw & Co. $22.02M 0.0%
Citadel Advisors $8.94M 0.0%
Citadel Advisors $8.94M 0.0%
Arrowstreet Capital $4.20M 0.0%

Exited

Bridgewater Associates $5.76M was 0.0%
GAMCO Investors $230,140 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 619 holders, 49.16M shares, $13.40B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 14 GERSTENBERG ERIC W

Officer · 2.50K sh · $803,350

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 06 SC 13G — FMR LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2025 · Methodology · Get this via the API