Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Search
Sign in
Sign up
YMRC
Yorktown Management & Research Company’s
Clean Harbors
CLH
Stock Holding History
Yorktown Management & Research Company’s Portfolio
CLH Stock Details
CLH Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$416K
Hold
1,450
–
–
0.35%
107
2025
Q4
$340K
Hold
1,450
–
–
0.27%
155
2025
Q3
$337K
Hold
1,450
–
–
0.27%
154
2025
Q2
$335K
Hold
1,450
–
–
0.32%
144
2025
Q1
$286K
Hold
1,450
–
–
0.31%
155
2024
Q4
$334K
Hold
1,450
–
–
0.32%
155
2024
Q3
$350K
Hold
1,450
–
–
0.36%
140
2024
Q2
$328K
Hold
1,450
–
–
0.35%
131
2024
Q1
$292K
Buy
+1,450
New
+$261K
0.28%
177
2020
Q1
–
Sell
-8,450
Closed
-$725K
–
252
2019
Q4
$725K
Hold
8,450
–
–
0.39%
94
2019
Q3
$652K
Hold
8,450
–
–
0.35%
98
2019
Q2
$601K
Hold
8,450
–
–
0.23%
127
2019
Q1
$604K
Buy
+8,450
New
+$522K
0.2%
130
Other funds holding CLH
BlackRock
New York
$5.7T AUM
30.48%
1-Year Est. Return
Wellington Management Group
Boston, Massachusetts
$535B AUM
26.23%
1-Year Est. Return
Janus Henderson Group
London, United Kingdom
$209B AUM
37.72%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
LPC
Lone Pine Capital
Greenwich, Connecticut
$12.5B AUM
54.4%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
DCP
D1 Capital Partners
New York
$11.2B AUM
15.78%
1-Year Est. Return
Pictet Asset Management
Carouge, Switzerland
$94.8B AUM
24.11%
1-Year Est. Return
Sign up
Sign in
Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Theme
Close