Westfield Capital Management
CLH icon

Westfield Capital Management’s Clean Harbors CLH Stock Holding History

Westfield Capital Management’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
Q2 		$80.2M Buy
268,348
+7,256
+3% +$2.14M 0.26% 107
2026
Q1 		$74.9M Buy
261,092
+15,498
+6% +$4.23M 0.31% 107
2025
Q4 		$57.6M Buy
245,594
+2,012
+0.8% +$460K 0.24% 138
2025
Q3 		$56.6M Buy
243,582
+51,323
+27% +$12.2M 0.24% 133
2025
Q2 		$44.4M Buy
+192,259
New +$42.1M 0.19% 160

Other funds holding CLH

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JT
Jupiter Topco New York $245B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DCP
D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Westfield Capital Management's CLH Position: Q2 2026 in Review

Westfield Capital Management increased its Clean Harbors (CLH) stake by 2.8% in Q2 2026, buying an estimated $2.14M and bringing the position to 268,348 shares worth $80.2M. The position accounts for 0.26% of the portfolio, ranked #107.

Westfield Capital Management first reported a position in CLH in Q2 2025 and has held it in 5 quarters since. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

  • Westfield Capital Management held 268,348 shares of Clean Harbors worth $80.2M as of Q2 2026.
  • Westfield Capital Management bought 7,256 Clean Harbors shares in Q2 2026, an estimated $2.14M.
  • Clean Harbors made up 0.26% of Westfield Capital Management's portfolio in Q2 2026, its #107 holding.
  • Westfield Capital Management first reported a position in Clean Harbors in Q2 2025 and has held it in 5 quarters since.
  • 660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.