Stock Ownership/CWST

Casella Waste Systems Inc (CWST): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CWST · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
18
13F filers
Aggregate Value
$367.6M
Across holders
Last Price
$94.78
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity14 increased3 reduced2 exited
Full exits: CAXTON ASSOCIATES LLP, Woodline Partners LP
Institutional Holders of CWST
↗
18 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund1.22M$118.3M32.2%0.1%Added+$7.6MQ2 2026
Select Equity Group, L.P.
CIK 0001592643
Hedge Fund563K$54.6M14.9%0.3%Added+$16.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund456K$44.2M12.0%0.0%Added+$43.8MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund446K$43.2M11.8%0.0%Reduced$-1.8MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund395K$38.3M10.4%0.1%Reduced$-59.4MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund267K$25.9M7.0%0.0%Added+$23.8MQ2 2026
AXIOM INVESTORS LLC /DE
CIK 0001109147
Hedge Fund156K$15.1M4.1%0.1%Added+$6.2MQ2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager99K$9.6M2.6%0.1%Unchanged+$0Q2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund40K$3.9M1.1%0.0%Added+$3.3MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund38K$3.7M1.0%0.0%Added—Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$118.3M· 32.2% of total· 0.1% port· 1.22M sh· +$7.6M QoQ· Q2 2026
Select Equity Group, L.P.Added
Hedge Fund
$54.6M· 14.9% of total· 0.3% port· 563K sh· +$16.6M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$44.2M· 12.0% of total· 0.0% port· 456K sh· +$43.8M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$43.2M· 11.8% of total· 0.0% port· 446K sh· $-1.8M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$38.3M· 10.4% of total· 0.1% port· 395K sh· $-59.4M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$25.9M· 7.0% of total· 0.0% port· 267K sh· +$23.8M QoQ· Q2 2026
AXIOM INVESTORS LLC /DEAdded
Hedge Fund
$15.1M· 4.1% of total· 0.1% port· 156K sh· +$6.2M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$9.6M· 2.6% of total· 0.1% port· 99K sh· +$0 QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$3.9M· 1.1% of total· 0.0% port· 40K sh· +$3.3M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$3.7M· 1.0% of total· 0.0% port· 38K sh· — QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$3.4M· 0.9% of total· 0.0% port· 35K sh· +$713K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.6M· 0.7% of total· 0.0% port· 27K sh· $-5.0M QoQ· Q2 2026
ELEMENT CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.8M· 0.5% of total· 0.1% port· 18K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$1.5M· 0.4% of total· 0.0% port· 15K sh· +$241K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$562K· 0.2% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$471K· 0.1% of total· 0.0% port· 5K sh· $-2.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$294K· 0.1% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$268K· 0.1% of total· 0.0% port· 3K sh· +$5K QoQ· Q2 2026
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